91results about How to "Wide range of types" patented technology

The invention relates to the field of fertilizers, particularly a straw corrosion promoting microbial inoculant-coated biological organic fertilizer and a preparation method thereof. The fertilizer is prepared from the following raw materials in parts by weight: 35-56 parts of inorganic fertilizer, 20-40 parts of organic fertilizer, 1-6 parts of humic acid, 4-16 parts of filler, 5-10 parts of polysaccharide assistant and a right amount of corrosion promoting microbial inoculant. By adding the corrosion promoting microbial inoculant, every gram of biological organic fertilizer contains at least 1.1*10<10> cfu of corrosion promoting microbial strain. The granular biological fertilizer is prepared by proper fermentation and processing. The biological organic fertilizer can degrade crop straw residues in the last season. The biological fertilizer obviously increases the yield of the field crops, obviously lowers the morbidity, and enhances the organic matter content in the soil.

The invention provides a hexagonal boron-nitride material, a preparation method and application of hexagonal boron-nitride material. The hexagonal boron-nitride material is of an assembling structure consisting of porous boron-nitride whiskers and porous boron-nitride piece layers, or a porous boron-nitride whisker structure distributed with mesopores and macropores and with the specific surface area reaching 420m<2> / g. The preparation method comprises the following steps: (1) adding boric acid, melamine and optional surface active agent into water, mixing, heating, adjusting pH value of solution to be 3-11, crystallizing, and separating solid and liquid to obtain precursor; and (2) carrying out two-section type calcining reduction on the precursor in the step (1) under the atmosphere of ammonia gas or the mixed atmosphere containing the ammonia gas to obtain the hexagonal boron-nitride material. The hexagonal boron-nitride material can be used as an absorbing agent for absorbing metal ions and / or organic matters. The invention also provides a cyclic regeneration method of the hexagonal boron-nitride material. The hexagonal boron-nitride material is an excellent absorbing agent, is excellent in absorbing performance and cyclic regeneration performance, and has good application prospect in the field of water treatment.

The invention discloses a device for laser micro shock dieless forming device. The device comprises a laser, a light path guiding system, a tooling fixture system, a detection system and a control system, wherein laser beams emitted by the laser are transmitted to the surfaces of workpieces, which are arranged in the tooling fixture system and are attached with flexible absorption layers through the light path guiding system; the absorption layers are induced by laser to generate high-temperature and high-voltage plasmas; the plasmas sharply expand and burst to generate strong shock waves to press towards surface layers of the workpieces and internal tissue structures, so that the workpieces are quickly and plastically deformed; the detection system is used for detecting shock regions on the workpieces and transmitting the detected data to the control system; the control system is used for receiving the data, analyzing and calculating the received data, comparing the analyzed and calculated result with the theoretical deformation of the point and acquiring energy required by next laser shock according to the comparison result; in addition, the control system is used for controlling the energy of the laser beams emitted by the laser next time and also controlling the tooling fixture system to do three-dimensional motion towards the next shock position. The device for the laser micro shock dieless forming, which is disclosed by the invention, is suitable for micro forming of materials which are difficult to form or cannot be formed by using a conventional method.

The invention discloses in-situ adsorption-microelectrolysis-catalytic oxidation sewage treatment equipment and method, belonging to the technical field of sewage treatment in environment engineering. The in-situ adsorption-microelectrolysis-catalytic oxidation sewage treatment equipment is characterized in that adsorption equipment, electrolysis equipment and catalytic oxidation equipment are integrated so as to gather enable pollutants to be gathered from a low-concentration water phase onto an adsorbent; by using the favorable electric conductivity, the adsorbent is used as a complexly polarized three-dimensional electrode to form countless micro electrolytic baths, so that the organic pollutants are electrolyzed while organic matters are adsorbed, and adsorption active sites are continuously regenerated; and by utilizing an electric insulation material, the three-dimensional electrode is complexly polarized and has a high-class oxidation catalyst function at the same time, so that a gas oxidant dissolved in water and an oxidant generated by side reaction of the electrode form a high-class oxidant to efficiently remove the organic pollutants. According to the equipment and the method, the problems of slow reaction speed, low space-time efficiency, low current efficiency and low pollutant degradation efficiency in the conventional electrolytic reactors are solved, and an excellent market prospect is provided.

The invention relates to a digital image processing method which comprises the following steps: successively carrying out video enhancement, video analysis and video understanding on highway video images acquired by a camera. As for the video enhancement, multiple low-resolution images of the same scene and with different exposure parameters are reconstructed into high-quality images with highlight brightness dynamic range and high resolution, thus providing high-quality video images for the video analysis level and raising reliability of video processing results. As for the video analysis, detection is carried out through moving objects, and space-time object characteristics of video ground and middle levels are extracted by motion estimation and target tracking video analytic algorithms so as to provide inferential basis for event identification in high-level video processing. As for the video understanding, identification of surveillance video events is completed by analyzing and understanding the space-time object characteristics provided by the video analysis level. According to the invention, types of detection events are broader and precision is higher. Through correct identification of events, automatic control of highways is ensured.

The technological process of preparing biaxial stretching polyamide film with proper stretching rate includes the step of casting polyamide film and cooling the polyamide film from the mold to temperature of 5-40 deg.c; the longitudinal stretching step at 35-75 deg.c; horizontal stretching step at 40-130 deg.c; and thermal fixing step at 180-230 deg.c. The technological process of the present invention has simple, flexible and precise operation, and can produce biaxial stretching polyamide film of different types and with different performances.

The invention discloses a preparation method of a polylactone, and relates to the technical field of macromolecule materials. The method uses an initiator alcohol or amine to initiate the ring openingof a cyclic lactone monomer or a cyclic lactide monomer or a cyclic carbonate monomer, and uses a stable carbon cationic salt as an organic catalyst to initiate the ring-opening polymerization of a small molecular monomer to obtain the polylactone. By adopting the technical scheme of the method, the catalyst has the beneficial effects of low load and high efficiency, plays the role of controllingmolecular weight and / or stereochemistry of the polymer, and shows high reactivity. In particular, the new catalyst has better practicability than a catalyst used in the prior art, has less catalyst consumption, has a wide range of catalytic monomers, and has no metal residue.

The invention belongs to the technical field of webpage information extraction, and particularly discloses a data collecting method and a data collecting system based on HTML stream processing, wherein the data collecting system consists of the multi-thread collector which guarantees working speed, a download control template which guarantees working accuracy and a data storage system. The system can collect the user-needed network data via a simple template configuration. Practical application proves that the invention has excellent stabilization, high practicability and high efficiency.

The invention relates to a semi-physical simulation method for X-ray pulsar dynamic signals. The method includes 1) a step of setting spacecraft motional orbit parameters, observation pulsar parameters and observation time parameters, and generating pulsar signal dynamic contour data by a dynamic contour data generating server according to the set parameters, 2) a step of sending in real time the dynamic contour data by the dynamic contour data generating server to a radiation source flow controller every certain time, 3) a step of driving an X-ray generator, by the radiation source flow controller, to generate pulsar dynamic X-ray photon signals, and 4) a step of measuring an X-ray photon arrival event by an X-ray detector. The method achieves semi-physical simulation of the X-ray pulsar dynamic signals, and is suitable for verification and engineering technique research of a pulsar navigation system theoretical method.

The invention relates to the technical field of textile printing and dyeing, in particular to the pretreatment process of fabrics, in particular to a cold stack pretreatment process of cotton and its blended or interwoven fabrics. The cold stack pretreatment process includes the following steps: immersing the cotton to be treated and its blended or interwoven fabric in the treatment solution for padding treatment; rolling the padded cotton and its blended or interwoven fabric, and stacking for 18- 24 hours; efficient washing of the piled cotton and its blended or interwoven fabrics; drying of the efficiently washed cotton and its blended or interwoven fabrics. The present invention can achieve the cloth surface effect of the traditional one-cooking-bleaching process, with good whiteness, good capillary effect, clean cloth surface slurry, and clean cloth surface cottonseed husks; the treated fabric has little damage to the strength; the process safety factor is high, The risk of processing fabric holes is low; the consumption of steam and water is saved, and the cost of pretreatment is greatly reduced; the discharge of production sewage is reduced; the range of fabric types applicable to the process becomes wider.

The invention discloses an efficient low-viscosity easily-degradable anti-soluble compressed air foam extinguishing agent and a preparation method thereof. The extinguishing agent comprises the following components in percentage by weight: 5-25% of a hydrocarbon surfactant, 3-10% of a fluorocarbon surfactant without perfluorooctylsulfonate, 1.5-10% of a low-viscosity anti-soluble component, 3-15%of a foam stabilizer, 5-15% of an antifreeze agent, 0.2-2% of a preservative and the balance of water. The extinguishing agent has the characteristics of high efficiency, low viscosity, low mixing ratio and easiness in degradation; and the mixing ratio is flexibly selected for different fire extinguishing objects, so that various types of fires can be quickly extinguished. All the components of the extinguishing agent can be rapidly biodegraded in the environment and have no pollution to the environment. According to the preparation method, the problems that macromolecular polysaccharide substance powder is easy to agglomerate in the water, long in swelling time and difficult in uniform component mixing in a traditional adding method are effectively avoided, and the foaming condition of the extinguishing agent in the production process is effectively controlled, so that the production efficiency is remarkably improved.

The invention discloses a visual interactive electromagnetic wave experiment teaching system, which is composed of an experimental platform subsystem, a microwave transmitting and receiving subsystem, and an upper / lower computer operation control subsystem. The experimental platform subsystem is used for collecting the change of the electromagnetic wave, The microwave transmitting and receiving subsystem sends the electromagnetic waves and collects the electromagnetic wave changes to transmit to the upper / lower computer operation control subsystem. The upper / lower computer operation control subsystem handles the received electromagnetic wave changes and forms the image, and is also used for controlling the microwave transmitting and receiving subsystem to send the electromagnetic waves. The invention also discloses a control method based on the system, which includes checking the data of the sensing system; displaying the human-computer interaction interface; selecting the experimental items, functions and parameters; the microwave transmitting and receiving subsystem transmitting the electromagnetic wave; receiving the antenna receiving signal, and imaging the electromagnetic wave. The problems that the theory of electromagnetic wave in teaching the electromagnetic wave is difficult to digest and the theory is difficult to be connected with the practice are reduced. The virtual interactive electromagnetic wave experiment teaching system can support a wide variety of experiment design types, manifestations are vivid and learning autonomy and consciousness are stimulated, which is conducive to the cultivation of knowledge learning and innovation ability.

The invention discloses a random multiple extreme value response surface method for reliability analysis of a flexible component. The method comprises the following specific steps: comprehensively considering the combined action of the nonlinear material attribute and the mechanical load of the flexible component, and finding out the maximum output response point of the blade through static analysis; selecting an input random variable, extracting an input random variable sample by applying a Latin hypercube sampling (LHS) technology, and solving a finite element basic equation for each sampleto obtain a corresponding output response; constructing a random multiple extreme value response surface function (SMERSF), completing reliability analysis of the flexible component; and carrying outvalidity verification on the SMERSM. The reliability analysis method for the multi-failure-mode structure is rapid and efficient.

The invention discloses an in-situ remediation technology of low-concentration organic polluted underground water. The technology comprises the steps as follows: an injection well is constructed in aunderground water polluted area, a well pipe is mounted in the injection well, and a hole is punched in the bottom of the well pipe and communicated with a water containing layer, wherein the length of the hole is larger than the longitudinal range of the polluted area; oxygen is injected into the water containing layer through the injection well to perform aerobic control on the water containinglayer; after anaerobic control is performed on the water containing layer for 5 days or longer, aerobic control and anaerobic control are circulated until degradation of organic pollutants in the underground water reaches the standard. The dissolved oxygen content of the underground water is manually adjusted, ordered alternation of aerobic and anaerobic conditions is controlled, and oxidative degradation of low-concentration organic pollutants by hydroxyl radicals produced by oxygen under activation of ferrous iron minerals under the aerobic condition and regeneration of ferrous iron mineralsby microorganisms by means of organic carbon under the anaerobic condition are realized by using inherent components such as iron minerals, organic matter and microorganisms in the water containing layer.

The embodiment of the invention provides a calibration method for a position and posture relationship between a robot and a position changing machine, and relates to the field of industrial manufacture. The problem that in the calibration process, the manufacture precision of the position changing machine is neglected is solved. The calibration method comprises the steps that an inclination shaftand a rotation shaft of the position changing machine are controlled to rotate to multiple to-be-tested positions separately, and the robot is operated to trace markers and record TCP coordinates of the markers at all the to-be-tested positions; position and direction vectors of the inclination shaft center line and the rotation shaft center line in a robot coordinate system are acquired separately according to the multiple TCP coordinates; a common perpendicular line segment formed between the inclination shaft center line and the rotation shaft center line located at the reference position when the inclination shaft rotates to the zero position is acquired; and direction vectors of all axes in a position changing machine coordinate system and coordinates of a position changing machine coordinate system original point in the robot coordinate system are acquired according to the inclination shaft center line, the rotation shaft center line located at the reference position and the common perpendicular line segment. The calibration method is used for achieving coordinate movement between the robot and the position changing machine.

The invention discloses an atomic force microscope colloid probe surface modification method, and belongs to the technical field of atomic force microscope probe modification. The invention provides ahigh-success-rate colloid probe synthesis and surface modification method, and the interaction force between colloid and minerals can be measured more accurately. The method comprises the following steps: immersing colloidal microspheres in a FeOOH solution for a period of time, taking out the colloidal microspheres, drying, putting the colloidal microspheres in a functional group modification solution for a certain period of time, and carrying out cold drying; dipping a needle head of a 30G injector in a minimum amount of epoxy resin mixed liquid, transferring the epoxy resin mixed liquid tothe front end of a cantilever of the probe, sucking the modified colloidal microspheres by using a new needle head, transferring the colloidal microspheres to the cantilever, and curing epoxy resin to obtain the functional group modified colloidal probe. According to the invention, the yield of the colloid probe can be greatly improved, the surface roughness of the functional group modified probeis reduced, and the experimental error is greatly reduced.

The invention discloses a device for reinforcing a foundation through microbial ultrasonic grouting and a construction method thereof. The device comprises a grouting pipe, the upper side of the grouting pipe is connected with an ultrasonic energy concentrator, the ultrasonic energy concentrator comprises an ultrasonic amplitude transformer and an ultrasonic transducer, the ultrasonic transducer is connected with the upper end of the ultrasonic amplitude transformer and the upper end of the grouting pipe, a pulse generator is arranged at the bottom of a grouting hole, an ultrasonic sensor is arranged on the ground on one side of the grouting pipe, the ultrasonic sensor is connected with an oscilloscope, the upper end of the grouting pipe is connected with a grout inlet pipe, the grout inlet pipe is connected with two grout inlet barrels through a grouting pump, and the two grout inlet barrels are filled with bacterial liquid and cementation solution respectively. According to the device, the reinforcement uniformity can be improved, deeper soil bodies can be reinforced, grout can be diffused to the periphery from the grouting pipe with holes in the pipe wall in cooperation with the ultrasonic effect, the reinforcement range is larger, the integrity is higher, the reinforcement uniformity is guaranteed, and the applicable soil body types are wide.

The invention provides a communication receiver antenna feeder protector with electromagnetic pulse protection capability. The electromagnetic pulses of a short-wave / ultra-short-wave frequency band radio frequency channel are protected based on a multi-order filter, a gas discharge tube and a transient voltage suppression diode, and the function of protecting thunder and lightning electromagnetic pulses and high-altitude electromagnetic pulses at the same time is achieved; and a method for protecting lightning electromagnetic pulses and high-altitude electromagnetic pulses is provided for an antenna feeder path of a communication receiver. Compared with an existing antenna feeder protector implementation scheme based on a gas discharge tube, the communication receiver antenna feeder protector with the electromagnetic pulse protection capability is wide in protection electromagnetic pulse type range, high response speed, high through-current capacity, low insertion loss and low trigger threshold value; and particularly, the two main technical indexes including the response speed and the protection effect of the protector are remarkably superior to an existing antenna feeder protection technology.

The invention relates to a method for preparing a nanofiber probe tip. The method comprises the following specific steps of preparing a substrate, covering a surface of a conductive flat plate with adielectric layer; probe surface treatment, covering a surface of a probe with a conductive layer; preparing solution, namely preparing turbid liquid from nanofibers and the distilled water according to a certain proportion; bonding fibers, controlling the probe to slowly approach the liquid drops till the probe is in contact with the liquid drops. The method is advantaged in that the surface tension of liquid is adjusted by utilizing an electric field, the shape and the height of a liquid bridge between the probe and a substrate are controlled, so fibers are absorbed on the surface of the probe. The prepared nanofiber probe tip can improve sensitivity of an atomic force microscope to surface topography characteristics of a material and measurement precision of mechanical properties, the method has the capability of controlling the fiber orientation at the same time, so the nanofiber prepared by the method can be applied to special tests, and the preparation method is simple to operate,relatively low in cost and high in robustness.

The invention provides a single-cell transcriptome sequencing method and application thereof. The method comprises the following steps: preparing a to-be-detected cell sample into a single-cell suspension, and fixing the single-cell suspension with a stationary liquid; and performing an in-situ reverse transcription reaction on the RNA of the fixed single cell by using a reverse transcription primer to synthesize a cDNA first chain.

The invention belongs to the technical field of cigarette detection equipment, and particularly relates to a cigarette cracking device. The device comprises a furnace body and a control system, wherein the furnace body adopts a vertical structure and comprises a cracking chamber used for containing samples; an electric furnace heating wire is arranged outside the cracking chamber; the upper end ofthe cracking chamber is connected with a carrier gas inlet; the tail end of the cracking chamber is connected with a carrier gas outlet; the electric furnace heating wire is connected with a thermocouple; the heating time and temperature of the thermocouple is controlled by a control system; the cracking chamber is used for containing a sample to be heated for cracking; the cracking chamber is provided with a quartz tube; a sample containing cage is matched with the diameter of the quartz tube; the middle part of the quartz tube is narrow and is used for clamping the sample containing cage; and the upper end of the furnace body is provided with a cracking knob used for controlling the opening and closing of the cracking chamber. The device is applicable to various types of samples, and has large capacity of samples; and meanwhile, the device has the advantages that the heating is rapid, the cracking reaction process can be quickly completed in a short time, and the temperature gradient in the sample can be obviously reduced.

The invention relates to an anchoring type light environment-friendly foundation device. The anchoring type light environment-friendly foundation device consists of a ribbed base, grouting anchor rods and fixed bolts; the ribbed base consists of a baseplate and a reinforcing rib beam; the reinforcing rib beam is integrally molded on the upper surface of the baseplate; a stand column insertion hole and a stand column reinforcing plate groove are formed in the middle part of the reinforcing rib beam; fixed bolt holes are formed in the side surface of the reinforcing rib beam; grouting anchor rod holes are formed in four corners of the ribbed base; the grouting anchor rods are inserted in a foundation through the grouting anchor rod holes formed in the four corners of the ribbed base; and the fixed bolts are inserted in the fixed bolt holes formed in the reinforcing rib beam of the ribbed base. The anchoring type light environment-friendly foundation device adopts an iron casting foundation, is convenient and rapid in construction, and solves the problem of easy separation of foundation concrete of an outdoor stand column structure due to long transportation and pouring time.

The invention provides a high-throughput single-cell transcriptome sequencing method and application thereof. The method comprises the following steps: preparing a to-be-detected cell sample into a single-cell suspension, and fixing the single-cell suspension with a fixing solution; performing in-situ reverse transcription reaction on the RNA of the fixed single cell by using a reverse transcription primer to synthesize a first cDNA chain; wherein the reverse transcription primer comprises a tag sequence.

The invention relates to an ultrasonic dyeing process of a polylactic acid / richel / bamboo fiber blended fabric. By virtue of ultrasonic wave, disperse dyes maintain stable particle diameter in dyeing bath; an association body between the dyes is crushed; the dispersion of the dyes is improved; the ultrasonic wave has small influence on the fabric; the breakage strength of the fabric is slightly alleviated under the action of the ultrasonic wave; the fabric fiber surface is not obviously etched. The disperse dyes suitable for the process are relatively wide in types; the dyeing percentage and the K / S value of the disperse dyes are obviously improved; compared with the conventional dyeing process, the K / S value is averagely increased by 16.03; a relatively obvious acceleration effect is achieved for the dyeing of dark colors.

The invention relates to a checking method of model information of intelligent electronic device configuration of IEC61850 standard intelligent substations. The type of a model file is not limited to the SCD file; comparison information comprises data names, data types and data values; which data are modified by an operation model can be detected; whether the values of the data are changed compared with the original values is detected; whether the model configuration downloaded to a device is constant with the model configuration imported to background is detected; whether to generate a persistent file is determined by a user; the format is flexible and is selected by the user according to a need; a user interface is simple and visualized and is simple in operation and high in visualization degree.

The invention discloses a random number sampling method for an electronic meter, and the method comprises the following steps: carrying out the collection of the flow of the meter at an initial sampling time interval t1, and obtaining the real-time flow Qs; judging whether the flow Qs is less than the starting flow of the table or not, if yes, indicating that the current instantaneous flow Q of the meter is equal to 0, and if not, indicating that the current instantaneous flow Q of the meter is equal to Qs; judging whether a gas-unused state exists or not according to the current instantaneousflow Q of the meter; if so, judging whether the duration of the gas-free state reaches preset cumulative time or not; if yes, performing flow collection every random sampling time interval t2 so thatthe current flow Qs is obtained, and the random sampling time interval t2 is a random value in a time interval [t1, t3], wherein t3 is the time interval larger than or equal to N * t1, and N is an integer larger than 1. The random number sampling method is used, the condition of short flow duration can be effectively detected, cumulant metering is carried out, the metering precision is improved and the operation power consumption of the meter can be effectively reduced.