1740results about How to "Reduce labor input" patented technology

Developing decision-making skills of a user through practice in a simulated environment comprises defining a simulated situation to be influenced by the user including a set of objects that are represented by an attribute-characteristic representation, presenting information concerning a current state of the simulation, obtaining decisions from the user that at least partially determine object designs to be evaluated, evaluating an object design using a value function having multiple optima, updating the simulation with the results from the evaluation, and permitting continued practice by selectively repeating several of these steps. A system executes simulation software that simulates such a situation on a processor, and includes evaluation software for selecting and evaluating design objects by applying a value function having multiple optima. At least one terminal and communication links are provided for information transfer and implementation of the simulated situation. Diagnosis of the user's cognitive approach is also disclosed.

The invention relates to an ectopic leaching restoring device and a restoring method for chromic slag polluted soil. The device is provided with an integrated soil leaching and dewatering system and mainly comprises a feeding system, a soil leaching-dewatering system, a waste gas treating system, an elution collecting treating system and an automatics control system. The chromic slag polluted soil firstly enters a reaction tank leaching section through the feeding system; a chrome-containing component in the soil is transferred into a liquid phase of a leaching agent; the liquid phase is rotated following a spiral stirring thruster; a muddy water mixture is conveyed into a reaction tank dewatering section; the filtrate is discharged through a tank wall with a water-permeable filtering function; the remained soil is conveyed to a mud discharging device following the rotating of the spiral stirring thruster; and lastly, the soil after being leached and dewatered is discharged. The device provided by the invention has the advantages that a power source is utilized to realize the soil leaching and muddy water separating, the energy consumption is low, the structure is simple, the use is convenient, the treating efficiency is high, and the purified degree of the polluted soil after being treated by using the device is above 85%.

The invention discloses an interface test method, a system, a computer device and a storage medium based on database comparison. The method comprises the following steps: a test interface is created in a user interaction interface, and request parameters of the interface are configured; the content that needs to be parameterized are parameterized in the user interaction interface; the test interface is called to add assertions; the test tool performs test operations, configure database statements and inputs for asserting framework invocations in the configuration file; accurate assertion is accomplished by comparing the return message with the result of database statement query configured in the configuration file. The corresponding test cases are generated one by one by substituting parameter values. Obtain the result and judge the test result one by one, and store the test data, test result and judgment result into the list. The method achieves accurate assertion from business logic,realizes automatic judgment of business logic, reduces manual input of regression test, and improves test efficiency.

The invention discloses a method and system for booking a parking stall and selecting a parking lot based on an App on a mobile terminal. A server acquires parking lot data, stores the parking lot data in a database, sends received and stored data to a management center through a network, and communicates with the mobile terminal. A management center processes a request signal sent by the mobile terminal and assigns a parking stall according to the obtained parking lot data. The App software is installed on the mobile terminal, and allows a user to inquire the parking lot information and book a parking stall in a parking lot. In this way, a user can book a parking lot more conveniently, labor cost is reduced, cost and resources are saved, and intelligent parking lot management is facilitated.

The invention discloses an automatic identification system of area topology. The system comprises a master station, a concentrator and one or more identification terminals; the master station is used for periodically generating an area topology identification instruction according to an area topology identification strategy, obtaining area topology logic relationship information generated by the concentrator and drawing an area topology graph according to the area topology logic relationship information; the concentrator is used for releasing an identification terminal control command according to the area topology identification instruction periodically generated by the master station, identifying an identification signal generated by the identification terminal and generating the area topology logic relationship information according to the identification signal; and the identification terminal is used for sampling a signal on a power line according to the identification terminal control command released by the concentrator, performing load carrier signal demodulation and operation processing and generating the identification signal. By adoption of the automatic identification system, the area topology identification precision can be guaranteed, and the area topology graph is obtained accurately; and the condition of the line can be periodically checked, and the manpower investment of operation and maintenance work of the power grid is reduced.

The invention relates to the technical field of automatic assembly equipment, in particular to a fully-automatic rivet magnetic circuit assembly machine comprising a table and a turntable device. The turntable device is arranged at the upper end of the table. According to rivet receiver assembly procedures, the table is sequentially provided with a rivet feeding device, a rivet correcting device, a magnet assembling device, an iron box assembling device, a PCB assembling device, a riveting machine and a discharging device in an annular form. The fully-automatic rivet magnetic assembly machine is available for assembly and processing in a fully-automatic manner, situations of wrong assembly and missing assembly are avoided, one worker can be in charge of a plurality of machines, labor investment is reduced, and labor cost is reduced; and the fully-automatic rivet magnetic assembly machine is small in size, occupation space is saved, and a limit of the size of plant space can be avoided.

The embodiment of the invention discloses a method for generating an information prediction model, electronic equipment and a computer readable storage medium. The specific embodiment of the method comprises the steps of obtaining a historical transaction data set, and based on the historical transaction data set, executing the following model determination steps: preprocessing transaction data inthe historical transaction data set, and dividing the preprocessed transaction data into a training sample set and a test sample set; based on the training sample set, training a preset number of types of regression models to obtain a preset number of initial prediction models; and selecting one initial prediction model from the preset number of initial prediction models as an information prediction model based on the test sample set and the preset number of regression evaluation indexes. According to the embodiment, a plurality of machine learning methods are adopted to model and evaluate the model, so that the method has relatively high expansibility; And the accuracy is improved through iterative updating, so that the labor cost can be effectively reduced.

The invention discloses an ex-situ washing remediation method for nitrochlorobenzene-contaminated soil, which comprises the following steps: crushing soil and sieving to remove stones and gravels; filling the soil into a washing reactor to fully mix the soil with a proper amount of washing solution, wherein the washing agent is ethanol; subjecting the washed mixture of slurry to two stages of sieving and filtering, wherein soil particles with large particle sizes are stopped by a screen; pumping the slurry mixture to soil-liquid separation equipment, recovering, filtering and purifying separated washing solution to regenerate the washing solution, regulating the concentration of the washing solution, and leaving the washing solution for washing at next time of washing. A sand filter column is used for filtering, active carbon is used for absorbing molecules of organic contaminants such as nitrochlorobenzene in the washing solution instead of molecules of ethanol serving as the washing agent, and thus, the washing solution is purified and can be recovered and recycling of resources is realized. The organic contaminant content of the washed soil reaches related standards. The soil particles which are sieved and filtered out can be used as building and road construction materials; and the soil particles obtained by solid-liquid separation can be used as raw materials for making concrete and fire bricks and also can be reclaimed. Thus, the whole soil remediation process is accomplished. In the invention, the process is easy to implement, small-scale industrial application can be realized, and an effective means is provided for scientific researchers for researching soil remediation.

An oven has a housing, a heat source, and an aperture defined in the housing. A substantially horizontal deck rotates within the housing, and a number of substantially horizontal pallets are mounted on the deck to rotate relative to the deck. Each pallet has a lip. A source of motive power and a transmission system drive the main deck to revolve within the housing, and also drive the pallets to rotate relative to the main deck. The transmission system constrains rotational movement of the pallets relative to the main deck and causes each pallet to be oriented with its stopping member positioned opposite the aperture whenever that pallet is aligned with the aperture. The oven has a control system that monitors the length of time that an item remains in the oven, permitting items having different cooking times to be cooked simultaneously, even when introduced in a random order.

The invention relates to an intelligent identification management and dynamic monitoring system and a method for fixed assets. The system comprises a data acquisition system, a gateway node and a management center connected in sequence. The system acquires real-time electrical parameter information, environment state information, basic asset information and asset position information through the data acquisition system, the information is wirelessly uploaded to the management center via the gateway node, the management center stores, analyzes and processes the received information, and the analysis result is checked through a management terminal of the management center. Manual inventory and manual two-dimensional code scanning are saved for asset management, periodical asset inventory and active asset inventory can be realized through the system, high efficiency of the work is realized, manual input is reduced, and happening of various error conditions of inaccurate asset inventory, extra inventory, missed inventory and the like caused by manual inventory can be reduced.

The invention discloses a big cross slope and small downward slope type slope terraced field structure and a construction method thereof. The structure is as follows: the upper border and the lower border of a sloping surface plot are provided with plant protective ridge terraces, the upper side and the lower side of each terrace are respectively provided with a side ditch and a back ditch, and other periphery of the sloping surface plot is provided with drainage ditches connecting with the upper border terrace back ditches and the lower border terrace side ditches along the slope surface to form a drainage network drain; the sloping surface plot in the drainage network drain is divided into multiple downward slope ridging zones by cross slop damming ditches; a plurality of small ridging downward slopes are evenly distributed in the downward slope ridging zones; a ditch is arranged between adjacent small downward slopes; and all the ditches in the downward slope ridging zones are communicated with the damming ditches and side ditches of the cross slope. The invention has the characteristics of retaining water, reducing erosion, saving labor force and being convenient for operation.

The invention discloses a ticket checking system for a real-name train ticket system, relating to the technical field of information security. The ticket checking comprises an identity card reader, a ticket card reader, an image collector, a passage controller, and an automatic ticket checking machine, wherein the identity card reader is used for reading a first face image in a second-generation identity card of a traveler; the ticket card reader is used for reading ticket information of the traveller; the image collector is used for collecting a second face image of the traveller in real time; the passage controller is connected with the identity card reader, the ticket card reader and the image collector, and is used for meeting a station entering requirement, storing an identity card number of a ticket owner passing face identification and ticket identity identification into an identification list, and sending to the corresponding station departure automatic ticket checking machine; and the automatic ticket checking machine is connected with the passage controller and is used for checking a ticket according to a ticket checking plane and the identification list. With the adoption of the ticket checking system provided by the invention can be used for automatically checking the identity through a face identification technology, so that the three-in-one real-name system identification of the ticket, a card and a person can be realized by a lowest improvement cost. Therefore, the labor investment is reduced, and the ticket checking efficiency is improved.

The invention discloses a side-by-side package separating device and method. The method is characterized by firstly dispersing and opening a gap, then photographing by applying an image recognition algorithm, and identifying a position relationship between adjacent packages so as to specifically separate the packages at a foremost position one by one; and realizing high-speed separation and single-queue conveying of batch packages, realizing a maximum rate of subsequent single code scanning operation, reducing an omission ratio and improving efficiency of overall sorting operation. The separation method comprises the following steps of dispersion, dispersing the packages arriving at a dispersion device from a conveying line through an angle difference existing in a conveying direction, wherein a gap is reserved between the adjacent packages; detection and recognition, photographing and recognizing the detected packages through a visual recognition device, and obtaining a three-dimensional size and real-time position data of each package; separating, applying different conveying speeds to the identified adjacent packages through a separating device; identifying that a first packageat a front position arrives at a side-approaching device at a higher speed, and so on; and single row queuing, forwardly conveying the different packages arriving at the side-approaching device in sequence in a single-row queue mode.

The invention discloses a low-voltage platform area topology relationship identification method, a concentrator and a computer-readable storage medium. The method comprises the following steps: controlling any terminal to send a user-change relationship identification signal to other terminals, collecting the user-change relationship identification result obtained by the other terminals and determining the terminal to which the platform area transformer belongs; Sequentially controlling any terminal to send a topological relationship identification signal to other terminals, collecting a topological relationship identification result obtained by other terminals and determining a superior node terminal of any terminal; Determine the location of the terminals and complete the topology diagram of the low-voltage platform area. The application completes the drawing of the low-voltage platform area topology relation diagram by determining the terminal belonging to the platform area transformer and determining the terminal position in the low-voltage platform area topology relation diagram under the condition of determining the upper node terminals of all the terminals; The topology relationship diagram of low voltage platform can be obtained accurately, and the manual input of power network operation and maintenance work can be reduced.

The invention relates to an ex-situ bioremediation method of soil contaminated by organic matters. The ex-situ bioremediation method comprises the following steps of: crushing and mixing the soil and mushroom residues; adding fertilizers to the soil to regulate the content of organic carbon and mineral nutrition of the soil and keep the soil moist; establishing a biological heap after the pH value of the soil is regulated; and simultaneously monitoring the temperature, humidity and oxygen content of the biological heap, and carrying out active aeration and passive aeration on the biological heap. According to the ex-situ bioremediation method of the soil contaminated by the organic matters, indigenous microorganisms of the soil are adopted to degrade organic pollutants of the soil, the steps of screening and strengthening of microorganisms are eliminated, the cost is low, the ex-situ bioremediation method is easily implemented and can be applied to small-scale industrial application, the labor investment is reduced, and the production efficiency is improved; the mushroom residues, which are generated in the production of edible mushrooms, are adequately utilized and recycled, so that not only is the pressure to the ecological environment from the mushroom residues relieved, but also the mushroom residues are adopted to accelerate the degradation of the organic pollutants of the soil and contribute to the protection of the ecological environment; and tests show that after the method is carried out for a cycle, the degradation rate of the biological degradation method on nitrobenzene reaches 99.1%, and the concentrations of polycyclic aromatic hydrocarbons such as phenanthrene, acenaphthene and naphthalene decrease below limit of detection.

The invention relates to the field of vegetable planting, in particular to a planting method of brassica oleracea L.var.capitata L.. The planting method of the brassica oleracea L.var.capitata L. comprises the following steps of A, variety selection; B, seedling growing; C, land preparation and arrangement of moisture in the soil; D, fertilization; E, transplantation and field planting; F, field management; G, insect disease prevention; H, timely harvesting. According to the planting method disclosed by the invention, insect disease can be effectively prevented from happening by selecting a disease-resistant variety and adopting seed sterilization treatment and soil sterilization treatment; seedlings are cultured by using a nutrition dish, the transplantation with soil can be carried out when in transplantation and field planting, the seedling stage can be shortened, and the tidy growth can be facilitated; dedicated organic-inorganic mixed fertilizer of the disease-resistant variety integrates organic and inorganic fertilizers into a whole, the problems of the lack of organic fertilizer and difficult fertilization of the organic fertilizer can be solved, the matching ratio of nitrogen, phosphorus and potassium is coordinated, and the fertilization efficiency is obvious; composting is carried out by adding a decomposition agent in tobacco powder, and a composting and slaking process of the tobacco powder can be quickened; the whole-life requirement on nutrient of a plant can be met just by carrying out hole fertilization of fertilizer in one time, and the labor is saved.

The invention provides an intelligent counting medicine storage device. The intelligent counting medicine storage device comprises a drawer shell, a medicine storage box, a sensor supporting block and a pressure sensor, wherein the medicine storage box is nested in the drawer shell; the pressure sensor for detecting the weight of medicines is arranged between the drawer shell and the medicine storage box; the sensor supporting block is arranged between the medicine storage box and the pressure sensor; one end of the sensor supporting block is glued to the bottom of the medicine storage box, and the other end of the sensor supporting block is glued to the pressure sensor; and a human-computer interaction module is arranged on the medicine storage device and is electrically connected to the pressure sensor. The intelligent counting medicine storage device has the beneficial effects that the functions of using a medicine storage container for acquiring the weight information of the medicines and automatically identifying medicine quantity is realized; and generally, a weighing drawer is used in coordination with a medicine storage cabinet, so that when an operator puts the medicines in the medicine storage cabinet or takes out the medicines from the medicine storage cabinet, the accurate quantity of the medicines can be known without the need for manual counting, thereby avoiding the risk of making mistakes resulting from manual counting and facilitating the management and control of medicines.

The invention relates to a large-scale aluminum alloy hub isothermal forging production line. The large-scale aluminum alloy hub isothermal forging production line is characterized by comprising a bar cutting machine, a bar heating furnace, a plurality of delivery manipulators, a pre-forging hydraulic press, a hub finish-forging hydraulic press, an aluminum alloy hub broaching and trimming hydraulic press and a pressing die. A cold material conveying roller table is arranged between the bar cutting machine and the bar heating furnace, a hot material conveying roller table is arranged between the other end of the bar heating furnace and the delivery manipulators, a die heating furnace, a die change trolley and a change trolley rail are arranged on one side of the pre-forging hydraulic press, a pre-forging lubrication spraying device is arranged on the other side of the pre-forging hydraulic press, a middle heating furnace or a delivery roller table is arranged between each two manipulators, and a finish-forging lubrication spraying device is arranged on one side of the hub finish-forging hydraulic press. The large-scale aluminum alloy hub isothermal forging production line has the advantages that by means of structural and technical combination of hot die forging, broaching and trimming, one-time pressing of aluminum alloy hubs can be realized, the pressing process of the aluminum alloy hubs is simplified, cost, time and labor for later-stage secondary processing and shaping can be greatly saved, and production efficiency is improved.

The invention relates to an automatic film-tearing and AOI detection integrated system for glass plates of electronic products. The automatic film-tearing and AOI detection integrated system comprisesa product loading manipulator, a Y-directional product movement assembly, an automatic film-tearing mechanism, an automatic film-coating mechanism, a transfer manipulator and a product conveying assembly which are located on a workbench, and are sequentially arranged from left to right, wherein a PLC control equipment is arranged on the lower part of the workbench; a primary detection and sortingmechanism is arranged on the upper part of the head end of the product conveying assembly; a first material overturning device, a second material overturning device, a product front-surface and back-surface detection device and an unloading manipulator are arranged at one side of the product conveying assembly and at the right side of the primary detection and sorting mechanism, and are sequentially arranged from left to right; a plurality of bearing plates used for bearing the products are placed on the product conveying assembly; and a plurality of bearing positions are formed on each bearing plate. According to the automatic film-tearing and AOI detection integrated system, release films are fully mechanically torn, and then protective films are firmly coated onto the glass plates, sothat the manual investment is reduced, the film-tearing and film-coating efficiency for the glass plates is increased, and the film-tearing and film-coating quality for the glass plates is improved; and inferior-quality products are timely eliminated via AOI detection, so that the coating pass percentage for the glass plates of the electronic products is increased.

The invention discloses a lexical classification method and system and a realization method. The lexical classification method comprises the steps as follows: firstly, obtaining a document classification training set comprising documents and document type information belongs to the documents; secondly, preprocessing all the documents to form lexes to be classified; thirdly, obtaining the TF (lexical frequency) value and the IDF (inverse document frequency) value of each lexis to be classified in one document type, and summating the TF value and the IDF value to obtain a TF-IDF value; and lastly, taking a quotient obtained by division of the TF-IDF value by the sum of the TF-IDF values of the TF values and the IDF values of the lexes to be classified in all the document types belonging to the documents as a probability that the lexes to be classified belong to the document types, and generating a lexical classification database comprising the lexes to be classified, the types corresponding to the lexes to be classified and the probability that the lexes to be classified belong to the corresponding types. Due to the adoption of the technical scheme, the lexical classification operation can be automatically finished, the input cost is very low, and the effect is more accurate.

The invention discloses a method for integrally fixing and installing foundation bolts with large diameter, which comprises the following steps of: (1), manufacturing a supporting steel plate in a partition way; (2), determining the central positions of bolt positioning holes on the supporting steel plate; (3), processing the bolt positioning holes on the partitions of the supporting steel plate; (4), installing an upright post and a transverse beam of a fixing rack in situ; (5), splicing the partitions of the supporting steel plate on the transverse beam of the fixing rack, fixing the partitions of the supporting steel plate with the transverse beam of the fixing rack after regulating to enable the positions of the bolt positioning holes on the partitions of the supporting steel plate to be consistent with the design positions of bolts, and welding all the partitions of the supporting steel plate into a whole; (6), installing the bolts in a hung way, enabling the bolts to penetrate through the positioning holes from the lower part of the supporting steel plate, installing nuts on the bolts and centring the elevations of the bolts by utilizing the nuts; and (7), after centring the elevations of all the bolts completely, fixing the bolts with the fixing rack by knot pulling bars and welding the fixing rack firmly. The bottoms of the bolts are fastened by one-time regulation and centring so as to complete the integral fixation and installation of the bolts, and the invention has high efficiency and low cost.

The invention discloses a movable pulley traction connecting device of an inclined roadway winch used for transportation of a hydraulic support. The movable pulley traction connecting device comprises an auxiliary transport cart and a movable pulley unit, and is characterized in that a support connecting plate of a support connecting seat is vertically formed by welding a transverse plate to a vertical plate, a connecting hole is formed in the front end of the support connecting plate, and a limiting pin shaft hole is formed in the back end of the support connecting plate; the transverse plate is inserted into a gap between support connecting rods and a top beam, the vertical plate is inserted into a gap between two support connecting rods at the back part of the hydraulic support, the limiting pin shaft hole is exposed on the inner sides of the support connecting rods, a connecting rod spacer pin is arranged in the limiting pin shaft hole, so that the support connecting seat is connected to the support connecting rods; a middle connector is formed by hinging a front connecting piece to a back connecting piece through a middle pin shaft, the front connecting piece is connected to the connecting hole at the back end of the movable pulley unit, and the back connecting piece is connected with the support connecting seat; when the support is transported, a wire rope surrounds the movable pulley unit, and the end of the rope is fixed nearby the winch, so that the transportation capacity of the winch is doubled to meet overall transportation requirements of some heavy supports.

The invention relates to a biochar-based fertilizer for restoration of heavy metal contamination of arable soil. The biochar-based fertilizer is composed of, by mass, 50% of biochar, 15% of micropowder of water-chilled dreg from a blast furnace, 30% of fresh cow dung and 5% of a composite biological inoculum. As the biochar and the micropowder of water-chilled dreg from the blast furnace undergo strict screening and effective component activation, the pH value of the soil is increased, the granular structure of the soil is improved, adsorption effect on heavy metal elements in the soil is effectively strengthened, and soil heavy metal restoration effect is enhanced; and in the composite composed by the biochar, the micropowder of water-chilled dreg from the blast furnace, the fresh cow dung and the composite biological inoculum according to a certain proportion, the biochar improves adsorption of heavy metals in a soil solution, the micropowder of water-chilled dreg enhances the silicon utilization rate of crops under the action of an activator, the crops prevent and control migration of heavy metals to the bodies of plants while absorbing silicon so as to reduce heavy metal content in the crops, and the biochar and the micropowder of water-chilled dreg have synergistic interaction in controlling of absorption of heavy metal elements in the soil by the crops.

The invention discloses an intelligent operation and maintenance method based on integrated learning photovoltaic prediction, comprising the following steps: S1, preprocessing the historical photovoltaic data of a power station collected by a photovoltaic monitoring cloud platform; S2, pre-processing the historical photovoltaic data of the photovoltaic monitoring cloud platform; S2, analyzing thecharacteristic correlation of the pre-processed data to determine the strong correlation factors affecting the output power of the power generation quantity; 3, establishing a photovoltaic predictionmodel and fitting data; S4, training the photovoltaic prediction model and optimizing the model; 5, embedding a photovoltaic prediction model into a photovoltaic monitoring platform, inputting data inreal time to obtain a prediction value, comparing the prediction value with the actual value, and setting a deviation interval; S6: guiding the operation and maintenance of the power station according to the interval where the deviation value in step S5 is located. The intelligent operation and maintenance method based on the integrated learning photovoltaic prediction provided by the invention predicts the photovoltaic power through the integrated learning algorithm and embeds the photovoltaic prediction model into the photovoltaic monitoring cloud platform, thereby improving the construction quality of the power station, reducing the later operation and maintenance cost of the power station and reducing the artificial input.

The invention discloses a method for testing a self-service device, a device and a system, wherein the method comprises the steps of: A. resolving a test case loaded from a case library into at least one single-step command and the expected result corresponding to each single-step command; B. driving a mechanical arm according to the sequence of the least one single-step command so as to carry out mechanical operation on the self-service device, acquiring execution result after the response of the self-service device and the mechanical operation corresponding to the single-step command, leading one-time mechanical operation to correspond to one single-step command, and confirming the test result of the test case according to the execution result of the single-step command and the expected result. The method for testing the self-service device, the device and the system execute the testing process of the test case by transferring the mechanical arm, realize full automation in the testing process of the whole test case, improve the accuracy and the testing efficiency of the test result in the testing process, and shorten the test period.

The invention discloses a chemical topping method of cotton, comprising the following steps of: a, 3-5 days before and after the first bloom period of the cotton, spraying mepiquat chloride to carry out basic chemical control so that the cotton can grow stably without growing vigorously, wherein the dosage of the mepiquat chloride is 4-10g / mu; b, before and after the full bloom period of the cotton, spraying chemical topping agent on leaf surfaces, wherein the spray should be higher than the cotton plants, the dosage of the chemical topping agent is 40-80ml / mu and 15-30kg of water is mixed; and c, 3-15 days after the spraying of the chemical topping agent, spraying the mepiquat chloride to stabilize the chemical control of plant type, wherein the dosage of the plant type is 8-15g / mu, and the topping agent comprises the following components is percentage by weight: 20-30% of mepiquat chloride emulsion, 40-60% of water and 15-25% of flumetralin emulsion. Through the method, the automatic topping of the cotton can be realized, the topping quality can be ensured, the topping uniformity of cotton fields can be improved, the labor efficiency can be improved and the labor intensity can be lightened.

The invention provides a method of crossbreed seed producing which performs rhizocarpous regeneration by use of the cotton sterile male line and restorer line, and the steps are that: a. first year, in the region where the cotton is able to live through the winter, the cotton male sterile line and the restorer line are respectively planted, the restorer line is used as the male parent to crossbreed with the sterile line to produce the F1 crossbreed cotton seeds so as to being used for the large-area production; b. after gaining the seeds, the sterile line and the restorer line plant live through the winter in natural environment; c. next year, the sterile line and the restorer line plant through the winter are pruned and trained, subsequently, the restorer line is used as the male parent to crossbreed with the sterile line during the flowering period, again the F1 crossbreed cotton seeds are produced so as to being used for the large-area production; d. the two steps of b and c are repeated for 1 to 3 times. The invention promises one year planting and continuously gaining the crossbreed seeds for many years, the invention provides labor and time saving for crossbreed seed production with low cost; moreover, the advantages of the crossbreed can be kept for a long time and the planting output and the quality of the crossbreed cotton can be assured, which is convenient for the commercialized application and has extremely important significance in the popularization of the utilization technology of the cotton crossbreed advantages.

The invention discloses a demolition construction method for long-span highway suspension bridges. The construction method specifically comprises the following steps that 1, steel structure counter-force frames are installed at the top of a main tower, cable saddling and pushing are conducted, and the deflection of the main tower is corrected; 2, bridge surface plates and bridge surface paving layers are cut, and blocking and whole hoisting are conducted; 3, demolition of steel truss beams is conducted, and after the steel truss beams are cut off from the midspan, the beams are lowered in a segmental mode as a whole; 4, demolition of main cables are conducted, remaining main cable hangings and catwalks are utilized as an operation platform, the main cables are cut off in situ, and the demolition of the main cables is conducted; 5, demolition of the main tower is conducted, diamond wire saws are utilized to cut reinforced concrete with static force, upper cross beams are lowered as a whole through the adoption of a suspension system, after the main tower is cut and divided into blocks, vehicle cranes are used for hoisting, and cutting and hoisting are conducted after holes are drilled in lower cross beams. The demolition construction method for the long-span highway suspension bridges is applicable to the complex demolition of suspension bridges in geological environment, and the construction method is not only relatively little in resource waste and relatively low in economic cost, but also conductive to environmental protection.

The invention provides a tunnelling and excavating integrated machine cutting head. The cutting head mainly comprises a hydraulic motor, a hydraulic motor fixing box, a T-shaped gear reducer, rotating brackets and rollers on which a plurality of pick-shaped cutters are distributed. The cutting head has the following beneficial effects: by adopting the hydraulic motor for driving, the explosion-proof requirement in the mine and the convenience of use in the ground engineering are satisfied; by adopting the T-shaped gear reducer, the cutting head has simple and compact whole structure; the cutting head has strong tunnelling and excavating capabilities; a hydraulic motor output shaft is used for transmitting power to a bevel gear set, after primary bevel gears change the direction of rotation through transmission, the power is transferred to an intermediate gear by pinions of a straight gear set to realize primary speed reduction, then the power is transferred to gearwheels, and finally the power is transferred to the bilaterally symmetrical rotating brackets by spline shafts; the rocks are cut and broken by the rollers which are sleeved on the rotating brackets and provided with pick-shaped cutters; and the cutting head can be used for tunnelling, excavating and breaking the rocks with hardness being less than 8, can satisfy the requirement for ditch excavation in the mine and on the ground, saves the labor investment, and improves the degree of mechanization and safety of coal mine and ground engineering development.