98results about How to "Achieve a breakthrough" patented technology

The invention relates to a rapid rock cross-cut coal uncovering process and an outburst prevention method. The rapid rock cross-cut coal uncovering process comprises the following steps: performing lane drill site construction advance borehole during rock drivage period, performing penetration drilling to measure the gas pressure of the coal seam and rapidly measuring the gas content, the mechanical property of the coal and other parameters by utilizing extraction drilling and sampling under the conditions that the rock gangway construction is not influenced and the coal seam to be uncovered is subjected to gas interception and extraction in advance, and realizing the outburst danger of the multi-index prediction coal seam; increasing the specific coal and rock mass curing measures in addition to the gas outburst prevention measures with the uncovering related regulations and standard requirements, so that the rock cross-cut is excavated by employing an integrated excavator after the rock cross-cut uncovering working face is subjected to complete outburst removal, and rapid rock cross-cut coal uncovering is realized. The whole set of coal uncovering process and the outburst prevention are used for the experimental coal mine 937m roadways, and 18 layers of coal are uncovered totally, so that the whole construction period is shortened by 1.63 years and is only 1 / 3 of the expected coal uncovering time. The method is easy and convenient to operate, safe in construction, short in overall coal uncovering time and good in outburst prevention effect and has wide practicability.

The invention discloses a welding seam tracking control device and method based on a cross laser device. The welding seam tracking control device is characterized by comprising a four-freedom-degree robot, a visual sensor and an integrated control cabinet; the four-freedom-degree robot comprises a working platform, a moving module, a Y-axis stepping motor, a bracket and a welding gun; the Y-axis stepping motor is fixed to a Z-axis slide table of a Z-axial moving module body, and a rotary shaft of the Y-axis stepping motor is parallel to the moving direction of a Y-axial moving module body; the bracket is used for fixing the visual sensor and the welding gun; the visual sensor comprises a camera and the cross laser device; and cross laser rays emitted by the cross laser device are irradiated on a to-be-welded workpiece and shot by the camera. The welding seam tracking control method is used for conducting vision measurement on fillet welding seams, three-dimensional position information of the welding seams, the inclined angle of the plane of the welded workpiece and the directions of the welding seams can be obtained accurately, and the welding gun can conduct high-precision self-adapting tracking control over the welding seams.

The invention discloses a composite premixed feed for reducing heavy metal residue in animal products as well as a preparation method and application thereof. The composite premixed feed comprises the following components in percentage by weight: 40%-88% of inorganic absorbent, 0.6%-9% of organic absorbent, 5%-25% of inorganic absorbent, 5%-30% of super-micro smashing tea powder, 0.0002%-0.015% of Se and 0.2%-10% of vitamin C. The composite premixed feed provided by the invention is added to livestock and poultry (pig, chicken and duck) compound feed, can be used for releasing the oxidation damage and other toxicity brought by heavy metal, and reducing the residue of multiple heavy metals in the animal products effectively, and has the characteristics of rich raw materials, moderate cost as well as safety and no toxicity, and is simple and convenient to prepare. The feed provided by the invention fills the blank of feed products obtained through heavy metal reduction control in the market.

The invention provides a preparation process of a cigar coat and a cigar sleeve with a tobacco leaf texture, wherein the preparation process comprises the following steps: making a tobacco raw material into a tobacco extract; adding a combustion improver, a humectant and a tobacco colorant into the tobacco extract, and thus obtaining a tobacco coating liquid; shoving the tobacco raw material to obtain a tobacco pulp; pulping an externally-added commodity wood pulp fiber, to obtain an externally-added fiber pulp; mixing the tobacco pulp into the externally-added fiber pulp; adding calcium carbonate into the mixed pulp; adding one or more of a bagasse crude fiber, a tobacco stem crude fiber and a corn stigma crude fiber into the mixed pulp, to obtain a pre-papermaking pulp; papermaking the pre-papermaking pulp into a paper base; applying the tobacco coating liquid onto the paper base, and thus obtaining the cigar coat and the cigar sleeve with the tobacco leaf texture. The cigar coat and the cigar sleeve prepared by the process have the advantages of strong three-dimensional sense of tendons and vessels, natural and smooth lines, diverse texture, low cost, and quite strong practicality.

The invention relates to a method for homogeneous endotaxy repair and homogeneous epitaxial growth of a diamond single crystal. The method is characterized by comprising the step of carrying out endotaxy repair and epitaxial growth of vapor deposition at a temperature between 700 DEG C and 2,000 DEG C by adopting CVD chemical vapor deposition diamond equipment and taking the diamond single crystal as a seed crystal. The method can simultaneously realize homogeneous endotaxy repair and homogeneous epitaxial growth of the diamond single crystal, can be used for repairing the inside cavity, cracks and other defects of the traditional diamond, removing the internal impurities and color of the diamond and increasing the transparency and the cleanliness and can carry out homogeneous epitaxial growth in various orientations of the outer surface of the diamond single crystal to obtain a larger pure diamond single crystal. The method has mild realization condition and low running cost, and can be used for repair and growth of seed crystals of artificial and natural diamond single crystal.

Matrix metalloproteinases (MMPs) compositions, inactive forms of MMPs (e.g. proMMPs), fragments, mutants, variants or combinations thereof. A pharmaceutical composition comprises one or more of the above in a pharmaceutical carrier. A composition comprises at least one of: a matrix metalloproteinase (MMP), an inactive MMP or a proenzyme (proMMP) thereof, wherein the matrix metalloproteinase (MMPs), inactive MMPs or proMMPs thereof, comprise: MMP-1, MMP-2, MMP-3, MMP-7, MMP-8, MMP-9, MMP-10, MMP-11, MMP-12, MMP-13.MMP-14, MMP-15, MMP-16, MMP-17, MMP-18, MMP-19, MMP-20, MMP-21, MMP-23A, MMP-23B, MMP-24, MMP-25, MMP-26, MMP-27, MMP-28, active fragments, mutants, variants or any combinations thereof. The uses include isolation of cells, in particular stem cells, from tissues, dissociation of tissues, proteins and treatment of a variety of conditions.

The invention relates to an apparatus and a method for synchronously detecting molecular weight distribution of a water sample and organic nitrogen. The apparatus comprises an end injection valve, a chromatography column, a pressure reducing valve, an acid injection valve, an oxygen injection valve, an acid-oxygen reaction spiral tube, a CO2 remover, an UV digestion device, a second gas-water separation membrane, a buffer solution injection valve, a buffer solution reaction spiral tube, a cadmium column, a developer injection valve, a color reagent reaction spiral tube and an UV detector whichare sequentially connected through a pipeline, the end injection valve is used for receiving a mobile phase and the sample, and the second gas-water separation membrane is connected to a CO 2 conductivity detector, and the UV detector and the CO 2 conductivity detector are both connected to a computer for data processing. The apparatus realizes the synchronous detection of TOC concentration and DON concentration of the sample to be tested in different molecular weight distribution intervals, and provides a reliable and convenient detection means used in the water quality detection fields suchas water quality analysis of inlet water and outlet water and detection and control of nitrogen-containing disinfection by-products in water plants.

The invention discloses an acer palmatum Sangokaku tissue culture propagation process which comprises the following steps: S1, explant sterilization; S2, inoculation and propagation, namely inoculating a sterilized stem section with a bud to a culture medium for growth, culturing for 2-3 weeks, and inducing the germination of an axillary bud; S3, enrichment subculture, namely shearing the germinated axillary bud, inoculating on a subculture medium, culturing for 3-5 weeks, and inducing the generation of caespitose buds; S4 rooting culture, namely cutting adventitious buds positioned on the caespitose buds, inoculating on a rooting culture medium, culturing for 2-3 weeks, and inducing the generation of a root. The acer palmatum Sangokaku tissue culture propagation process disclosed by the invention can be used for building a Sangokaku tissue culture propagation system, and realizing the breakthrough of the Sangokaku tissue culture propagation system, is low in production cost, high in propagation coefficient, short in propagation period, an effective way for the fast propagation of acer palmatum Sangokaku, and capable of preventing the virus accumulation, and achieving the easiness for domesticated seedling survival, and by using the process, the issue culture seedlings with consistent inheritable characters and the sterile acer palmatum Sangokaku seedlings can be relatively easily obtained.

The invention relates to a process for controlling a thickness of a glued rubber layer by using a self-made rubber cover plate. The process comprises the following steps: 1) a balance plate is manufactured; 2) a rubber film is paved on a prebonded cover; then, a reinforcing plate is placed on the rubber film for buckling the balance plate; and the balance plate extends out around stripping cloth and a porous isolation film; 3) the balance plate is connected and positioned with a reinforcing plate by a pin; and 4) the integer in the steps 2) and 3) is sealed with a vacuum bag, and is shifted into a hot pressing tank; the pressure is applied to the top of the balance plate; the curing is performed by heating; and a cover glued layer with uniform thickness is obtained after curing. The process uses the rubber balance plate for realizing secondary uniform distribution of the pressure of the hot pressing tank, weakens the influence on the thickness of the rubber layer by matching between molding surfaces of the reinforcing plate and the cover compared with direct acting of the pressure on the reinforcing plate, and obtains the rubber layer with uniform thickness. The operation of using the balance plate is simple; the positioning is accurate; the self-inspection is convenient; the process and the result both achieve visible and controllable effects; and the product quality and the working efficiency are improved.

The invention discloses an anti-arsenic-poisoning SCR denitration catalyst and a preparation method thereof. On the basis of titanium dioxide, vanadium pentoxide and molybdenum trioxide are used as basic active components; a bismuth additive or indium additive is used as an anti-arsenic additive; structural additives resistant to arsenic poisoning are added at the same time and are composed of a calcium additive and a tin additive; the active additive can protect the basic active components and effectively prevents inactivation of the basic active components under the condition of arsenic-containing flue gas; and the structural additives can prevent arsenic from deposition and aggregation on the surface of the SCR denitration catalyst, inhibit deep poisoning caused by arsenic-containing flue gas and improve the anti-arsenic-poisoning capability of the SCR denitration catalyst. The SCR denitration catalyst prepared in the invention can maintain high denitration efficiency and is prolonged in service life.

The invention discloses a substrate cleaning device. The substrate cleaning device comprises at least one single chip cleaning cavity for cleaning and drying single chip substrates, at least one slot type cleaning cavity for soaking, cleaning and / or drying multi-chip substrate, a first mechanism arm used for putting dry substrates in or taking the dry substrates out of the single chip cleaning cavity, and a second mechanical arm used for conveying the substrates between the single chip cleaning cavity and the slot type cleaning cavity. By combining slot type cleaning and single chip cleaning, the substrate cleaning device can clean the substrates in a slot type mode as well as a single chip mode or a combined mode; after being cleaned in the slot type cleaning cavity, the substrates can be directly conveyed into the single chip cleaning cavity, without being dried, for further cleaning and drying, so that the cycle of the whole process can be shortened, the process cost can be reduced, separation between wet substrates and dry substrates can be achieved, and breakthrough in the semiconductor cleaning technology can be obtained. The invention also discloses a substrate cleaning method.

The invention relates to an integrated gas retort integrating heating of a heat carrier and dry distillation of materials into the same one dry distillation unit. The integrated gas retort is characterized in that smoke gas is used as dry distillation heat carrier for indirectly heating materials; the gas retort is formed by combining a plurality of dry distillation sub units. Each dry distillation sub unit is independent, one combustion chamber corresponds to one dry distillation chamber to form one dry distillation sub unit, the upper parts of retorts comprising a plurality of dry distillation sub units are communicated, the two dry distillation sub units are separated by a smoke gas chamber, and the lower parts share one water seal tank and a tar exhaust device. The actual daily capacity of the gas retort can achieve more than 6000. The integrated gas retort is applicable to low-temperature dry distillation oil refining of materials oil sand, oil shale, coal and the like. The integrated gas retort is applicable to dry distillation and oil refining of small-particle materials, as well as various qualities of materials with low gas content, low fixed carbon content and high moisture content, and the oil recovery rate of the gas retort can achieve about 90%.

The invention discloses benign paroxysmal positional vertigo intelligent diagnosis and treatment equipment. The equipment comprises a correction host, a nystagmus recorder and an operation bench, wherein the correction host is used for carrying out a nystagmus induction test and reset treatment on a patient; the nystagmus recorder is used for collecting nystagmus video information of the patient during a nystagmus induction test process; the operation bench includes an upper computer system and a main control module; and the upper computer system includes a nystagmus video module, a diagnosistest module, a reset treatment module, a real-time navigation module and a system parameter configuration module. In the invention, automatic and intelligent diagnosis and treatment of vertigo are realized; an accurate diagnosis and treatment scheme of semicircular canal real-time navigation can be provided for a special patient, and breakthrough and innovation of a technology are realized; and domestic related industry development can be effectively promoted and a growing healthy development demand is satisfied.

A disclosed simple tissue culture propagation technology for acerpalmatumseiryu comprises the following steps: S1, collecting disease-free acerpalmatumseiryu branches which are born in the same year, removing excess leaves, cutting into stem segments with buds, and disinfecting; S2, inoculating the disinfected stem segments with buds to a culture medium for growth, inducing axillary buds to germinate; and S3, performing rooting culture, cutting directly induced axillalry buds, inoculating to a rooting culture medium to induce root generation. The beneficial effects of the technology comprise that: the tissue culture propagation system for seiryu is estabilished, the seiryupropagation system is broken through, and the simple tissue culture propagation technology is obtained. Tissue culture plants can be rapidly obtained without a callus stage by using the technology, and can be rapidly transplanted and survive after bred; the production cost is low, the obtained tissue culture plants have consistent heredity, then propagation coefficient is high and the propagation period is short; and the technology is an efficient approach for rapid propagation of acerpalmatumseiryu, and virus accumulation is avoided.

The invention discloses a preparation method of a superabsorbent proton exchange membrane. The preparation method of the superabsorbent proton exchange membrane comprises the following steps: (1) stirring for mixing hollow mesoporous silica microspheres with fluorous perfluorinated sulfonic acid polymers according to a mass ratio of 1 to (9-99) to obtain a mixture; (2) adding the mixture obtained in the step (1) into an extruder for melting and extruding so as to form a membrane under the conditions that the temperature of the head of a membrane casting machine is 180-200 DEG C, the rotation speed of a screw rod is 20-35r / min and the linear speed of a roller press is 60-100cm / min; (3) putting the membrane obtained in the step (2) into 0.1-1wt% sodium hydroxide solution for soaking at the temperature of 60-80 DEG C for 4-12 hours so as to obtain a sodium perfluorinated sulfonic acid membrane; (4) putting the sodium perfluorinated sulfonic acid membrane obtained in the step (3) into 0.1-1wt% hydrochloric acid for soaking at the temperature of 20-30 DEG C for 1-6 hours, then washing the membrane with deionized water so as to obtain the superabsorbent proton exchange membrane. Compared with a membrane prepared by adopting a casting method using the solution, the superabsorbent proton exchange membrane prepared by adopting the method has higher conductivity and mechanical strength.

The invention relates to nano-structural photo-thermal double-curing type transparent and heat-conductive epoxy glue and a preparation method thereof. The glue is single-component glue and is prepared from the following raw materials in percentage by weight: 15 to 30% of epoxy resin, 15 to 30% of anhydride, 1 to 15% of a diluent, 40 to 67% of filler, 0 to 0.5% of an active silane coupling agent, 0 to 0.5% of dye, 0 to 0.5% of an accelerant, 0 to 0.5% of a photoinitiator, and 1 to 2% of an antifoaming agent. The nano-structural photo-thermal double-curing type transparent and heat-conductive epoxy glue is used for solving the phenomenon that the epoxy resin glue is nontransparent due to the adding of the filler; the glue is capable of being photo-thermally double-cured, transparent and high in heat conducting coefficient, and therefore, the heat conducting glue meets the application with requirements on heat conducting and transparent performances; in addition, the glue has the performances above and does not lose modulus and other physical performances; the cured system is high in adhering reliability and wide in applicable scope.

The invention discloses a stable overhanging type double-layer space intelligent cantilever structure system, comprising lattice columns, space cantilever structures, a ring beam and a roof. The lattice columns are lattice columns with rhombic sections, the upper end of each lattice column of the bionic double-layer space cantilever structure imitating dragonfly wings. A movable, limiting and locking balance block is arranged at the end of a main vein of an upper layer space structure in each double-layer space cantilever structure. The ring beam comprises a cantilever upper ring beam, a cantilever lower ring beam and a roof ring beam which respectively serve as a double-layer space cantilever structure upper inner edge, a double-layer space cantilever structure lower inner edge and a roofouter edge, the double-layer space cantilever structures and the lattice columns are annularly distributed, the roof is arranged on the inner sides of the double-layer space cantilever structures, and the lattice columns provide support for the double-layer space cantilever structures and the roof through the ring beam. The cantilever structure is large in span, high in structural safety and stability, low in material consumption and light in dead weight, and breaks through the shape of the cantilever structure.

The invention discloses a production process of hot-rolled round steel 09CrCuSb with sulphuric acid dew point corrosion resistance. The round steel 09CrCuSb comprises the following chemical components in percentage by weight: 0.06 percent to 0.09 percent of C, 0.26 percent to 0.38 percent of Si, 0.48 percent to 0.60 percent of Mn, 0.90 percent to 1.00 percent of Cr, 0.30 percent to 0.40 percent of Cu, 0.07 percent to 0.09 percent of Sb, less than or equal to 0.015 percent of P, less than or equal to 0.008 percent of S, less than or equal to 0.15 percent of Ni, less than or equal to 0.0060 percent of N, less than or equal to 0.0002 percent of H, less than or equal to 0.0020 percent of O, and the balance of equivalent amount of Fe. Through scientific design of the chemical components, a passive film on the surface of steel is formed, and the corrosion resistant performance meets the using requirement; suitable and effective heating, steel rolling and cooling technologies are formulated, so that production of copper-containing steel cracks is effectively avoided, the industry breakthrough of the replacement of polished materials by corrosion-resistant steel 09CrCuSb AR(as rolled) hot-rolled materials is realized, and the material yield ratio is increased by more than 5 percent.

The invention relates to a color-development-adjustable vanadium dioxide based thermochromic composite material and application thereof. The vanadium dioxide based thermochromic composite material comprises a vanadium dioxide based thermochromic material and an ultraviolet photochromic material, wherein a mass ratio of the vanadium dioxide based thermochromic material to the ultraviolet photochromic material is 1:(0.1-2) and is 5:1-2:1 preferably.

The invention discloses a pressure transfer eccentric water distribution blanking plug. The blanking plug comprises a lower main body and an upper main body which is connected with the lower main body, wherein the upper main body is connected with the lower part of a fishing rod; the lower main body is provided with a pressure transfer hole I along the axial direction; the upper main body is provided with a pressure transfer hole II along the axial direction; the lower part of the fishing rod is provided with a central hole along the axial direction; the middle part of the fishing rod is provided with at least two seal rings between which a necking section is arranged; a pressure transfer hole III is formed in the necking section; the pressure transfer hole I, the pressure transfer hole II and the central hole are communicated with the pressure transfer hole III; a spring is sleeved outside the lower part of the fishing rod; the front end of the spring is provided with a pressure transfer sleeve; the front end of the pressure transfer sleeve is provided with a through hole III along the radial direction; the fishing rod is positioned in the pressure transfer sleeve; the front end of the fishing rod is connected with a pressure transfer joint in which a pressure transfer hole IV is formed; and the pressure transfer hole IV is communicated with the through hole III. Through the blanking plug, the aim of simultaneously performing underground layered flow testing and seal examination testing is fulfilled during normal water injection of an eccentric layered water injection well.

The invention discloses a corn seed product loaded with orderly-arranged seeds, and a manufacturing method of the corn seed product. The characteristic of the seed product capable of sowing accurately and directionally in a unit manner is as follows: corn seeds are bonded to be seed strips orderly arranged on seed ears longitudinally; the seed strips are regularly bonded on a tape or gummed paper; the tape or gummed paper are curled to form a helix shape and then are packaged in a sealing manner. The manufacturing method comprises the steps of selecting ears, removing two ends of the ears; using the shovel to ears to thresh in a strip manner; scanning the grains to be digital images; using a data processor to classify the grain digital images; spraying optical / magnetic identification mark to shaped, round and unqualified grains; using a recognizer to recognize marks in order to classify and select; making the seed strips fall down a strip die; coating a brittle shaping seed coating among the grains; drying seeds, bonding the tape, performing stripping and packaging. With the adoption of the product, germination rate is improved, important growth information of corn is recorded, the product is used with a directional sower, the evenness of corn growth is improved, the best group structure of crops is created and the corn yield is drastically improved.

The invention relates to a serrate double-layer wire mesh corrugated packing which forms a serrate corrugated packing sheet structure by mechanically rolling double-layer wire mesh materials, wherein the top end of the wave crest and the top end of the wave trough of a corrugated packing sheet are respectively formed by connecting smooth arc surfaces, and an arc serrate corrugated structure with a smooth tooth top is formed, and a formed corrugated ridge and the axial direction of the packing form an included angle. Compared with the prior art, the serrate double-layer wire mesh corrugated packing is easy to manufacture, excellent in fluid mechanics and mass transfer performance, especially applicable to separating of small-coefficient mixtures which are difficult to separate, such as separation preparing of isotopes, and capable of being popularized and used in the precise separation field of traditional purification of flavors, fragrances and medical intermediates.

The invention discloses a novel space transmission tooth-shaped chain system, which consists of a driving chain wheel, a tooth-shaped chain, an upper guide rail, a driven chain wheel and a lower guide rail, wherein the axial lines of the driving chain wheel and the driven chain wheel are mutually vertical in the space, the driving chain wheel and the driven chain wheel are not in the same plane and have the same structures, wheel teeth respectively adopt the involute profiles, and the engagement with the tooth-shaped chain is realized through the involute profiles of the chain wheels. The tooth-shaped chain is formed by connecting a plurality of work chain plates in series through hinging ball connecting elements. The novel space transmission tooth-shaped chain system adopts a connecting mode of a ball body rotating joint, so the chain plates can rotate in the space, the two chain wheels can transmit the movement and the force between two crossed shafts or staggered shafts in the space, the breakthrough of a tooth-shaped chain transmission mechanism from the plane movement to the space movement is realized, the novel space transmission tooth-shaped chain system can be used for occasions of low-speed heavy loads, occasions with hostile work environment and other occasions unsuitable for adopting space gear transmission.

The invention discloses a leg of a hydraulic-drive heavy-load six-legged robot, and aims to solve the problems that an existing six-legged robot needs to adapt to terrain and increase the heavy load on the premise of satisfying bionic walking, and that the related research in China is in a blank stage at present. The leg of the hydraulic-drive heavy-load six-legged robot comprises a body connecting plate, a buttock connecting piece, a robot thigh, a robotic shin, a ground supporting piece, a root joint rotating shaft, a horizontal cylinder, a hip joint rotating shaft, a thigh cylinder, a kneejoint rotating shaft and a shin cylinder. The invention provides a completely novel leg structure model. Compared with other existing driving structures, the leg of the hydraulic-drive heavy-load six-legged robot has higher output power and smaller weight in the same space, and has the advantages of higher specific power, lighter weight and higher carrying capacity. Based on the optimized design of the structure of the leg of the hydraulic-drive heavy-load six-legged robot, the terrain adaptability of the six-legged robot is significantly improved. Based on the power matching of a hydraulic system, the leg of the hydraulic-drive heavy-load six-legged robot achieves a breakthrough of 500 kg bearing capacity, and has significant progressive significance.

The invention relates to a vanadium dioxide-based fluorescent composite material and application thereof. The vanadium dioxide-based fluorescent composite material comprises a vanadium dioxide-based thermochromic material and a fluorescent material for absorbing ultraviolet emission blue light, and the mass ratio of the vanadium dioxide-based thermochromic material to the fluorescence material forabsorbing ultraviolet emission blue light is 1:(0.1-10), preferably 2:1 to 1:2.

The invention relates to an artificial transferring breeding method for a bell pepper restoring line, which consists of the following two steps: hybridizing a Korean species CHAMPION with a Shanghai Qie Men pimento 93-27-11, and selecting a restorable offspring for the continuous backcross with the Shanghai Qie Men pimento 93-27-11 for four generations, while in the process of backcross, picking the plants with the agronomic characters most close to the Shanghai Qie Men pimento 93-27-11 and the spring being able to breed plants, and eliminating the infertile plants; then carrying out the individual plant selfing segregation, which is to pick 2-3 individual plants with higher offspring restoring rate to carry out the individual plant selfing segregation for four generations through hybridizing the individual plant with the infertile plant, thus leading the self-segregation individual plant with 100 percent offspring to be the fertile plant bell pepper restoring line 93-27-11C. The method of the invention can save the breeding cost by 58 percent and can increase the seed yield by 41.7 percent. As no male infertility is removed, the germen is not affected, which results in great improvement of seed output and stability. The purity of seed production is increased to 100 percent, while the income of every hectare is increased by 2700 Yuan.

The invention discloses a making method of a health-care blueberry leaf tea. The health-care blueberry leaf tea is made from tender blueberry leaves and green blueberry fruits. The method comprises the serval steps that the blueberry leaves are firstly preprocessed to obtain an extracting solution and dried leaves, then the green blueberry fruits are pulped and then are dried to obtain powder, and finally the dried leaves and the powder are mixed in proportion. By specially proportioning the dried blueberry leaves and the green blueberry fruit powder, tea water becomes blue green and is slightly purple after the finished product tea is soaked, sour and sweet taste is in a balanced state, and the taste, color and luster win a favorable reception after market survey.

The invention discloses a method for detecting and analyzing the evolution process of the structure of surrounding rock in the area of a deep tunnel of a coal mine. The method comprises the following steps: (1) distributing testing drill holes in a to-be-detected area of the surrounding rock of the deep tunnel of the coal mine, and installing and propelling digital drill hole picture taking probes in the drill holes in sequence to obtain the principle on evolution of the propagation characteristic of sound waves along with time in the drill holes of the surrounding rock, wherein the drill holes are arranged in parallel, and have the same depth as the to-be-detected area of the surrounding rock; (2) obtaining the spacial distribution of the volumetric joint count (Jv) of the surrounding rock in the area of the deep tunnel according to single hole structure surface information; (3) obtaining the spacial distribution of the integrity index (Kv) of the surrounding rock in the area of the deep tunnel and the evolution principle of the surrounding rock by taking the propagation of sound waves of adjacent drill holes in the area of the deep tunnel as a boundary condition; and (4) comparing the integrity index, the volumetric joint count (Jv), with the integrity index (Kv) of the surrounding rock comprehensively to obtain the evolution process of the structure of the surrounding rock in the area of the deep tunnel of the coal mine. The method disclosed by the invention is practical, is easy and convenient to operate and is used for obtaining the integrity and evolution principle of the structure of the surrounding rock before and after excavating the tunnel of the coal mine so as to provide scientific basis for the stable control and security evaluation of the surrounding rock of the deep tunnel of the coal mine.

The invention discloses a variable torque float-type wave energy power device. The variable torque float-type wave energy power device comprises an oscillating float, the oscillating float is connected with a crank rocker device, the crank rocker device is connected with a pneumatic cylinder, the pneumatic cylinder is connected with a gas storage tank through a one-way valve, the gas storage tankis connected with a gas spraying opening and a pressure reducing valve through a function selection electromagnetic reversing valve, the pressure reducing valve is connected with a pneumatic motor, the pneumatic motor is connected with an electric generator, the electric generator is connected with a storage battery, and the storage battery is connected with an electrical propeller. According to the variable torque float-type wave energy power device, wave energy is effectively converted to mechanical energy, and the pneumatic wave energy converting device has many advantages that the frequency response range is wide, the structure is simple, manufacturing is easy, reliability is good, the construction cost is relatively low, and the converting efficiency under the common sea condition ishigh.

The invention discloses a manufacturing method of a soluble alloy fracturing ball for oil and gas exploitation. The manufacturing method specifically comprises the steps of respectively weighing the following raw materials: 1 to 10% of zinc, 1 to 10% of magnesium-calcium intermediate alloy, 1 to 5% of nickel, 1 to 6% of copper, 1 to 3% of ferric chloride, 1 to 3% of magnesium-aluminum intermediate alloy, 0.5 to 4.5% of magnesium-neodymium intermediate alloy, 0.5 to 3.5% of manganese, 0.4 to 1.1% of zirconium compound and the balance of magnesium, wherein the sum of the mass fraction of the components is 100%; respectively preheating the raw materials; adding the preheated raw materials to a crucible, heating to 680 to 700 DEG C first, and then cooling the crucible to 670 to 700 DEG C; pouring to a die so as to prepare a casting rod; performing hot extrusion on the casting rod on a magnesium alloy extruder so as to obtain a blank; and machining the blank by adopting a machine tool, so that the soluble alloy fracturing ball for oil and gas exploitation is obtained. The problems of incapability of self dissolution and difficulty in flowback of a steel fracturing ball are solved.