30results about How to "Reduce the intensity of action" patented technology

The invention provides a glass raw material composition. The glass raw material composition comprises, by weight, 35 to 60 parts of Bi2O3, 10 to 30 parts of B2O3, 10 to 20 parts of SiO2, 1 to 5 parts of CaO, 0.5 to 5 parts of MgO, 0 to 5 parts of Al2O3, 3 to 8 parts of Sb2O3 and Sb2O5, and a nitrate of which the content is 0.5 to 1.5 times the content of Sb2O3, wherein the nitrate is magnesium nitrate or calcium nitrate. The invention also provides inorganic glass powder prepared from the glass raw material composition, crystalline silicon solar battery aluminum conductive paste prepared from the inorganic glass powder, and a preparation method of the crystalline silicon solar battery aluminum conductive paste. The clear inorganic glass powder can be prepared from the glass raw material composition and thus a battery piece prepared from the crystalline silicon solar battery aluminum conductive paste containing the inorganic glass powder has high photoelectric conversion efficiency and high water boiling resistance.

A backpack type small berry picking machine comprises a back frame, a miniature gasoline engine, a centrifugal type clutch, a steel wire flexible shaft, a secondary gear drive mechanism, an eccentric vibration mechanism, a housing, a front annular handle, a rear handle, and branch vibrators; the miniature gasoline engine is arranged on the back frame through a vibration isolation rubber pad; an output shaft of the miniature gasoline engine is connected with an input end of the steel wire flexible shaft through the centrifugal type clutch; a square joint of the output end of the steel wire flexible shaft is connected with a square interface of an axle drive bevel pinion of the secondary gear drive mechanism; the eccentric vibration mechanism comprises an upper crank, a lower crank, an eccentric adjustable camshaft, a dual-face guide rail, an upper reciprocating oscillating lever and a lower reciprocating oscillating lever; the branch vibrators are respectively fixed on the front ends of the upper and lower reciprocating oscillating levers; the front portion and rear portion of the housing are respectively provided with a front annular handle and a rear handle; the rear handle is provided with a speed regulator; the speed can be regulated so as to allow the small berry branches to generate different frequency vibrations, and the vibration force can separate the small berries from the branches.

A method provided by the invention selects suitable amylase and protease for amylase and protease mixed depilation, which utilizes advantages of good depilation effect of protease and good security of amylase. The combination of amylase and protease has synergistic effect, and can reduce the dosage of enzyme; especially, amylase is employed to undertake part of the job of protease, so as to reduce action intensity of protease and reduce skin damage; and hydrolysis of polysaccharide chain by amylase is utilized to play the role of loosening fibers. The product is a compound enzyme preparation, and can be used for a hair removal process in leather production.

The invention provides a honeycomb sandwich explosion-proof wallboard. The explosion-proof wallboard comprises a first steel plate layer, a honeycomb composite layer, a second steel plate layer and first connecting parts, wherein the honeycomb composite layer is arranged between the first steel plate layer and the second steel plate layer, the first connecting parts penetrate through the first steel plate layer, the honeycomb composite layer and the second steel plate layer to connect the three layers into a whole, the honeycomb composite layer comprises at least four layers of trapezoid zigzag profiled steel sheets, every two adjacent layers of profiled steel sheets located on the upper layer and the lower layer are arranged in a staggered mode, tooth peaks on the upper layer and tooth valleys on the adjacent lower layer are spliced to form units with the cross section being hexagonal, a hexagonal honeycomb structure is formed by a plurality of hexagonal units, and explosion load is resisted through the capacity of deformation energy absorption of the honeycomb composite layer. According to the explosion-proof wallboard, the honeycomb composite layer is of the hollow honeycomb structure composed of the multiple layers of profiled steel sheets, the purposes that compared with a wallboard with the same explosion-proof performance, the occupied space is smaller, and the weight islighter are achieved, and therefore the extra burden of a building is reduced, and the building cost is reduced.

The invention discloses a single-longitudinal axial flow rigid-flexible coupling corn threshing device. The corn threshing device comprises a device frame, a columnar threshing roller, a rigid-flexible coupling threshing unit and a hollow cylindrical concave grid, wherein the two ends of the columnar threshing roller are rotatably supported on the device frame, the rigid-flexible coupling threshing unit is spirally arranged around the circumferential edge of the front section of the threshing roller, the hollow cylindrical concave grid is coaxially arranged outside the threshing roller in a sleeving mode and comprises a plurality of supporting strips arrayed at intervals and extending in the form of spiral lines, first baffles fixed to the two sides of the supporting strips and concave grid threshing strips with the lower ends embedded in a containing space. Threshing is realized through the rigid-flexible coupling effect, the corn kernel breakage rate is further reduced, and the threshing performance is improved by increasing the threshing intensity.

The invention discloses an axial-flow type rigid-flexible coupling copying corn shelling device. The device comprises an upper shell which is provided with a guide vane, a concave grid which is connected with the upper shell and is enclosed to form a cylindrical hollow structure, a threshing cylinder which is arranged at the center of the cylindrical hollow structure and can axially rotate around the shelling cylinder, wherein an elastic threshing unit is arranged on the inner wall face of the concave grid; and rigid-flexible coupling copying threshing units are uniformly arranged on the shelling cylinder; and the elastic threshing unit and the rigid-flexible coupling copying shelling units are in meshed state relative to the corn ears. According to the axial-flow type rigid-flexible coupling copying corn shelling device, the elastic shelling unit is arranged on the concave grid, and the rigid-flexible coupling copying shelling units are arranged on the shelling cylinder, so that the grain breakage rate can be reduced, and the threshing performance can be improved.

The invention discloses a method for controlling a laneway floor heave through deep-hole section blasting. The method comprises the following steps of: boring a combined blast hole incline and below two edges of a laneway and a base plate under strong support, and filling explosive to blast in a special section of the deep part of the blast hole to realize that the stresses of the special sections of the laneway edges and the base plate are transmitted to the deep parts of surrounding rocks. The invention has the beneficial effects that: a rock layer of the base plate of the laneway at the position is arranged under a stress environment with a lower level and the total deformation amount of the base plate is reduced by blasting and decompressing the special sections of the deep parts of the laneway edges and the base plate; simultaneously, the special sections are arranged in the deep parts of the surrounding rocks, thus the influence of the blasting on the completeness and the bearing capability of a surrounding rock structure in a shallow part is smaller, and the surrounding rock structure in the shallow part can still effectively prevent the deformation of the surrounding rocksin the deep parts. According to the method disclosed by the invention, the surrounding rocks in the deep part of the laneway are blasted, the surrounding rocks in the shallow parts are reinforced andare protected in completeness, both of aspects are organically combined, thus the amount of the laneway floor heaves is controlled. The method of the invention is simple and convenient to construct, is easy to handle, and has better control effect on the floor heaves and wide application prospect.

The invention provides an electrolyte and a lithium ion battery. The electrolyte comprises an organic solvent, a lithium salt and an additive, wherein the additive comprises a carboxylic anhydride derivative with a structure shown in a formula I, R1, R2, R3 and R4 are independently selected from any one of H and trialkyl siloxy, the carbon atom number of each alkyl group in the trialkyl siloxy is 1-10, and at least one of R1, R2, R3 and R4 is the trialkyl siloxy. The anhydride group in the carboxylic anhydride derivative can protect the stability of the electrode structure, thereby inhibiting the gas production of the battery cell. On one hand, trialkyl siloxy can consume a trace amount of water or hydrofluoric acid to form a stable by-product, thereby playing an important role in inhibiting gas production. And the trialkyl siloxy also can reduce the impedance of the passivation film. Therefore, through the synergistic effect of the acid anhydride group and the siloxy group, the effects of the acid anhydride and the siloxane are balanced, so that the lithium ion battery with low gas production and low impedance is obtained.

The invention relates to an electronically controlled solid propellant and a preparation method thereof, and belongs to the field of solid propellants. The electronically controlled solid propellant is prepared from, by mass, 10-14% of a binder containing hydroxyl, 80-85% of a main oxidant, 1%-4% of a secondary oxidant, 0.5%-2% of a cross-linking agent and 1%-2.5% of functional additives, whereinthe main oxidant is a hydroxylamine nitrate aqueous solution with the mass concentration being 5-10%, the cross-linking agent is one of or a combination of silicon-containing compounds and organic titanium chelates. Accordingly, the phenomenon that a large number of gel clusters and bubbles are generated in slurry can be avoided, and the uniformity of the electrically controlled solid propellant is significantly improved.

The invention discloses a driving motor speed regulator optimization method used in electric vehicle AMT gear changing. Cooperative work of a speed ring controller and an acceleration sensor is adopted in a speed ring PI regulator; an acceleration value a in current driving of a vehicle is obtained through the acceleration sensor; next, comparison between the acceleration value a output by the acceleration sensor and a preset acceleration threshold value K is performed; when the acceleration value a is less than or equal to the acceleration threshold value K, the output of the speed ring PI regulator is not adjusted, equivalently, the proportional element of the speed ring is output as normal; and when the acceleration value a is greater than the acceleration threshold value K, the proportional element output value is subjected to amplitude limiting by the integral element output value of the speed ring. By virtue of the driving motor speed regulator optimization method, the acting intensity of the proportional element can be lowered according to the current acceleration condition in vehicle gear changing, so that overshoot of a rotary speed ring is suppressed effectively, and a quick, accurate and smooth gear changing experience can be realized.

The invention provides a target rod removing device and belongs to the technical field of supporting facilities in optical fiber production. The target rod removing device comprises a base, a lifting slide table supporting frame, a lifting slide table driving mechanism, a lifting slide table, a target rod clamping jaw disc and an optical fiber preform suspending and locking mechanism, wherein the lifting slide table supporting frame is fixed with the top of the base; the lifting slide table driving mechanism is arranged on the lifting slide table supporting frame; the lifting slide table is in slide fit with the lifting slide table supporting frame and in driving fit with the lifting slide table driving mechanism; the target rod clamping jaw disc is fixed on the lifting slide table; the optical fiber preform suspending and locking mechanism is arranged at the top of the base and correspondingly below the target rod clamping jaw disc. The target rod removing device has the advantages that balance of applied force can be guaranteed in the target rod removing process; the operating intensity is reduced, and the efficiency is high; a central hole of an optical fiber preform and the target rod cannot be damaged, and pollution to the surface of the optical fiber preform can be avoided.

The invention discloses an injection filler containing deproteinized bone and a preparation method thereof. The filling is formed by mixing recombinant collagen-deproteinized bone composite microspheres and gel containing cross-linked sodium hyaluronate and recombinant collagen, wherein a microsphere phase in the filling is formed by performing virus killing, degreasing, decellularization and deproteinization treatment on animal-derived bone tissue particles, crushing and passivating to form particles which are free of edges and corners and irregular in appearance, and performing emulsion cross-linking on the particles and the collagen to prepare the microsphere phase; the gel phase is prepared by mixing sodium hyaluronate and recombinant collagen into a phosphate buffer solution containing or not containing an anesthetic after cross-linking the sodium hyaluronate and the recombinant collagen. According to the invention, by adopting a natural bone material, the deproteinized bone microparticle structure in the composite microsphere cross-linked recombinant collagen shell is endowed with excellent hydrophilicity and compatibility, and meanwhile, the injection filler formed by mixing a microsphere phase and a gel phase can play a coordinating role in supporting collagen regeneration of an organism, and provide a long-acting and safe supporting effect for the skin.

The invention relates to an etoposide implant, and a preparation method, purpose and an application method thereof. The implant is a circular column with diameter of 0.2-1.2 mm and length of 1-5 mm; and the implant is prepared from etoposide, polylactic acid and polyethylene glycol through compacting. It takes the implant 6-120 days to release 90% of the medicine in human body; and the implant can be implanted into a tumor focus through medicine implant needle percutaneous puncture or surgery, or implanted into positions requiring long-time etoposide medication treatment for regional continuous long-time medicament treatment.

The invention relates to a small seed peanut sheller. A shelling roller is provided with a shelling rotating part, the shelling rotating part comprises a shelling disc and a plurality of beating plate U-shaped supports, the beating plate U-shaped supports are fixed on the periphery of the shelling disc at equal angles in the radial direction, and a sine curve flexible beating plate is inserted into each beating plate U-shaped support; each sine curve flexible beating plate comprises a batten-shaped base and a sine curve-shaped beating plate component extending from the base to the outer end, and the beating plate component comprises an iron lining and a flexible coating layer coating the outer side of the iron lining; adjusting bolts penetrate through the bottom surfaces of the U-shaped supports to abut against the bases and can adjust the extending length of the sine curve flexible beating plates; a concave grate comprises a pair of arc-shaped side edges, grate bars which are sequentially embedded and mounted in insertion openings preset in the side edges at intervals, and hanging lugs located at the two ends of the side edges; U-shaped guide rails are used for supporting the hanging lugs; and guide rods are welded and fixed to the U-shaped guide rails, and the concave grid can be horizontally pulled out or inserted into the U-shaped guide rails by pulling the concave grid in the axial direction of the guide rods.

The invention relates to a dexamethasone implant, and a preparation method, purpose and an application method thereof. The implant is a circular column with diameter of 0.2-1.2 mm and length of 1-5 mm; and the implant is prepared from dexamethasone medicine, polylactic acid and polyethylene glycol through compacting. It takes the implant 7-180 days to release 90% of the medicine in human body; and the implant can be implanted into saccus renalis through medicine implant needle percutaneous puncture for treating chronic nephritis, or implanted into positions requiring long-time dexamethasone medication treatment for regional continuous long-time medicament treatment.

The invention discloses a method for controlling a laneway floor heave through deep-hole section blasting. The method comprises the following steps of: boring a combined blast hole incline and below two edges of a laneway and a base plate under strong support, and filling explosive to blast in a special section of the deep part of the blast hole to realize that the stresses of the special sections of the laneway edges and the base plate are transmitted to the deep parts of surrounding rocks. The invention has the beneficial effects that: a rock layer of the base plate of the laneway at the position is arranged under a stress environment with a lower level and the total deformation amount of the base plate is reduced by blasting and decompressing the special sections of the deep parts of the laneway edges and the base plate; simultaneously, the special sections are arranged in the deep parts of the surrounding rocks, thus the influence of the blasting on the completeness and the bearing capability of a surrounding rock structure in a shallow part is smaller, and the surrounding rock structure in the shallow part can still effectively prevent the deformation of the surrounding rocksin the deep parts. According to the method disclosed by the invention, the surrounding rocks in the deep part of the laneway are blasted, the surrounding rocks in the shallow parts are reinforced andare protected in completeness, both of aspects are organically combined, thus the amount of the laneway floor heaves is controlled. The method of the invention is simple and convenient to construct, is easy to handle, and has better control effect on the floor heaves and wide application prospect.

The invention provides a glass raw material composition. The glass raw material composition comprises, by weight, 35 to 60 parts of Bi2O3, 10 to 30 parts of B2O3, 10 to 20 parts of SiO2, 1 to 5 parts of CaO, 0.5 to 5 parts of MgO, 0 to 5 parts of Al2O3, 3 to 8 parts of Sb2O3 and Sb2O5, and a nitrate of which the content is 0.5 to 1.5 times the content of Sb2O3, wherein the nitrate is magnesium nitrate or calcium nitrate. The invention also provides inorganic glass powder prepared from the glass raw material composition, crystalline silicon solar battery aluminum conductive paste prepared from the inorganic glass powder, and a preparation method of the crystalline silicon solar battery aluminum conductive paste. The clear inorganic glass powder can be prepared from the glass raw material composition and thus a battery piece prepared from the crystalline silicon solar battery aluminum conductive paste containing the inorganic glass powder has high photoelectric conversion efficiency and high water boiling resistance.

The invention provides an operation method of a shale gas horizontal well. The method is achieved by adopting a shale gas horizontal well operation device based on pressure oscillation, a pumping truck and a measuring truck are connected with an oil recovery tree through high-pressure pipelines, the pumping truck is connected with the measuring truck through a data wire, a fracturing blender truckand an acid tank truck are connected with the pumping truck through high-pressure pipelines, and the pumping truck is connected with an oscillation system through a high-pressure pipeline, the oscillation system comprises a signal generator, a servo mechanism and a ram pump, the oscillation system is connected with a pressure sensor through a data wire, and the pressure sensor is connected with the oil recovery tree through a high-pressure pipeline. By means of the method, multiple sector bone-shaped main cracks can be generated on a target storage layer, long small branch cracks are extendedfrom the main cracks, and the instantaneous expanding speed of the main cracks can be reduced to prevent a water layer from being penetrating by pressing.

The invention discloses a single longitudinal axial flow rigid-flexible coupled corn threshing device, which comprises a frame and a columnar threshing drum supported on the frame rotatably at both ends; A rigid-flexible coupling threshing unit on the edge; a hollow cylindrical concave plate screen coaxially sleeved on the outside of the threshing drum, the concave plate screen includes: a plurality of support bars extending at intervals in a spiral shape, fixed on the The first baffles on both sides of the support bar, and the lower ends are embedded into the concave plate threshing bars in the accommodating space. The present invention further reduces the broken rate of corn kernels through the threshing effect of rigid-flexible coupling, and improves the threshing rate by increasing the threshing strength.

The invention relates to an electronically controlled solid propellant and a preparation method thereof, belonging to the field of solid propellants. The electronically controlled solid propellant includes the following raw materials in mass percent: 10% to 14% of a hydroxyl-containing binder, 80% to 85% of a main oxidant, 1% to 4% of a secondary oxidant, and 0.5% to 0.5% of a crosslinking agent 2%, functional additive 1% to 2.5%; wherein, the main oxidant is an aqueous solution of hydroxylamine nitrate with a mass concentration of 5% to 10%, and the crosslinking agent is one of a silicon-containing compound or an organic titanium chelate or a combination. The invention can avoid a lot of gel groups and air bubbles in the slurry, and significantly improve the uniformity of the electronically controlled solid propellant.

The invention discloses a digital image encryption method. The digital image encryption method can be widely applied in engineering design, and the application of a Bezier method in image processing is a practical operation. The modification method is based on a digital image encryption algorithm of a rational quadratic Bezier curve. The system retains the simple form of a one-dimensional chaoticsystem. Since three weight factors and an initial x value are used as the initial values, all key spaces are large. In addition, the encryption and decryption of the system are low in complexity and high in efficiency. By simulation tests, the gray histogram of an image encrypted by the algorithm is relatively uniform, the correlation strength and the like between adjacent pixels in the encryptedimage are significantly lower than those of the conventional encryption algorithm, and a good encryption effect is achieved.

The invention provides a shale gas horizontal well operation method based on pressure oscillation. A pump vehicle and an instrument vehicle are connected to a Christmas tree through high-pressure pipelines correspondingly and connected through a data line, a sand mixing vehicle and an acid tank vehicle are connected to the pump vehicle through high-pressure pipelines correspondingly, and the pumpvehicle is further connected with an oscillation system through a high-pressure pipeline. The oscillation system comprises a signal generator, a servo mechanism and a plunger pump and is connected with a pressure sensor through a data line, the pressure sensor is connected to the Christmas tree through a high-pressure pipeline, and the oscillation system further comprises a high-pressure sealing valve connected to the plunger pump. According to the shale gas horizontal well operation method based on pressure oscillation, a plurality of fan-framework-shaped main cracks can be generated on a target reservoir, and long extending forky small cracks are generated in the main cracks. The instantaneous extension length of the main cracks can further be reduced, and thus pressing-penetrating of awater layer is avoided.

A backpack type small berry picking machine comprises a back frame, a miniature gasoline engine, a centrifugal type clutch, a steel wire flexible shaft, a secondary gear drive mechanism, an eccentric vibration mechanism, a housing, a front annular handle, a rear handle, and branch vibrators; the miniature gasoline engine is arranged on the back frame through a vibration isolation rubber pad; an output shaft of the miniature gasoline engine is connected with an input end of the steel wire flexible shaft through the centrifugal type clutch; a square joint of the output end of the steel wire flexible shaft is connected with a square interface of an axle drive bevel pinion of the secondary gear drive mechanism; the eccentric vibration mechanism comprises an upper crank, a lower crank, an eccentric adjustable camshaft, a dual-face guide rail, an upper reciprocating oscillating lever and a lower reciprocating oscillating lever; the branch vibrators are respectively fixed on the front ends of the upper and lower reciprocating oscillating levers; the front portion and rear portion of the housing are respectively provided with a front annular handle and a rear handle; the rear handle is provided with a speed regulator; the speed can be regulated so as to allow the small berry branches to generate different frequency vibrations, and the vibration force can separate the small berries from the branches.

The invention provides a shale gas horizontal well operation method based on pressure oscillation. The shale gas horizontal well operation method is implemented through a shale gas horizontal well operation device based on pressure oscillation. Specifically, a pump truck and an instrument truck are connected to a Christmas tree through high-pressure pipelines and connected through a data line; a fracturing blender truck and an acid tank truck are connected to the pump truck through high-pressure pipelines; the pump truck is further connected with an oscillation system through a high-pressure pipeline; the oscillation system comprises a signal generator, a servo mechanism and a plunger pump and is connected with a pressure sensor through a data line; and the pressure sensor is connected tothe Christmas tree through a high-pressure pipeline. Through the shale gas horizontal well operation method based on pressure oscillation, target reservoir can generate a plurality of fan-rib-shaped main cracks, and furcal small cracks with the large extending lengths are generated on the main cracks; and the instantaneous extending lengths of the main cracks can be further decreased, and accordingly the situation that a water layer is penetrated in a pressed mode is avoided.

The invention discloses an intelligent tree-like sharing bike parking device. The intelligent tree-like sharing bike parking device comprises a trunk, branches and sharing bike storage boxes, the trunk comprises an electric energy storage and track drive power transmission device, a trunk vertical lifting track, a trunk horizontal transmission track, a car-parking car-taking control instrument anda round solar panel. The branches comprise leaf-shaped solar panels, branch longitudinal transmission tracks, branch horizontal transmission tracks and car-parking car-taking mechanical arms. The sharing bike storage boxes comprise safety valves, electromagnetic induction plates, electromagnetic induction locks and drainage and ventilation openings. The electric energy storage and track drive power transmission device provides power to drive the trunk vertical lifting track, the trunk horizontal transmission track, the branch longitudinal transmission tracks and the branch horizontal transmission tracks to transfer the sharing bike storage boxes. The intelligent tree-like sharing bike parking device makes full use of the three-dimensional space and realizes the function of standard and convenient parking.

The invention provides a honeycomb sandwich explosion-proof wallboard, which includes a first steel plate layer, a honeycomb composite layer, a second steel plate layer and a first connecting part, and the honeycomb composite layer is arranged between the first steel plate layer and the second steel plate layer In between, the first connecting part passes through the first steel plate layer, the honeycomb composite layer and the second steel plate layer to connect the three layers into one; The peaks of the adjacent two layers of pressed steel plates in the lower layer are staggered, and the tooth peaks of the upper layer and the tooth valleys of the adjacent lower layer are combined to form a hexagonal unit in cross section, and a hexagonal honeycomb structure is formed by several hexagonal units. , resist blast loads through the ability of the honeycomb composite layer to deform and absorb energy. The honeycomb composite layer of the present invention is a hollow honeycomb structure made of multi-layer pressed steel plates, which achieves the purpose of occupying less space and lighter weight than wall panels with the same explosion-proof performance, thereby reducing the additional cost of the building. burden and reduce construction costs.

The invention discloses a driving motor speed regulator optimization method used in electric vehicle AMT gear changing. Cooperative work of a speed ring controller and an acceleration sensor is adopted in a speed ring PI regulator; an acceleration value a in current driving of a vehicle is obtained through the acceleration sensor; next, comparison between the acceleration value a output by the acceleration sensor and a preset acceleration threshold value K is performed; when the acceleration value a is less than or equal to the acceleration threshold value K, the output of the speed ring PI regulator is not adjusted, equivalently, the proportional element of the speed ring is output as normal; and when the acceleration value a is greater than the acceleration threshold value K, the proportional element output value is subjected to amplitude limiting by the integral element output value of the speed ring. By virtue of the driving motor speed regulator optimization method, the acting intensity of the proportional element can be lowered according to the current acceleration condition in vehicle gear changing, so that overshoot of a rotary speed ring is suppressed effectively, and a quick, accurate and smooth gear changing experience can be realized.