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1803results about How to "Big space" patented technology

Combined tremella aurantialba strain ZWY-G1 / PNF11

The invention relates to a combined tremella aurantialba strain ZWY-G1 / PNF11, and belongs to the field of edible mushroom breeding. The strain is a sporocarp obtained by effectively combining a tremella aurantialba strain (PNF11) in a high-altitude cold area and a stereum hirsutum strain (ZWY-G1) in a low-altitude tropical rainforest area. Wherein asexual spores of the tremella aurantialba strain PNF11 in the combined strain are milky white and yeast-shaped, and the yeast-shaped edge is in a radial hypha form; hyphae of the stereum hirsutum ZWY-G1 are thick and dense, aerial hyphae are many, and the hyphae are orange after liquid fermentation; in the industrial cultivation process, the growth period of the combined tremella aurantialba strain ZWY-G1 / PNF11 is 36-40 days, the sporocarp color is orange, the longitudinal section is light flesh color, the fruiting rate is 100%, the yield is 98%, the biological conversion rate is 85%, and the combined tremella aurantialba strain has high consistency, stability and excellent agronomic character indexes and is suitable for industrial and facility annual cultivation and liquid fermentation process cultivation.
Owner:YUNNAN AGRICULTURAL UNIVERSITY

Intelligent control system for waterproof composite material production

PendingCN119668156AImprove the level of production intelligenceOptimal Control StrategyProgramme controlComputer controlData acquisitionTime data
The invention discloses a waterproof composite material production intelligent control system, and relates to the technical field of control systems, the system comprises a data acquisition layer, a standard template generation module, a data processing layer, a Transform-based model core layer and an output layer, the data acquisition layer acquires production data in real time; a data processing standard template is generated through a standard template generation module, standardization processing is conducted on real-time data through a data processing layer, production process modeling and production state analysis are conducted through a Transform model core layer, an analysis result is decoded into a control instruction through an output layer, and production line process parameters are adjusted. The production process is intelligently and optimally controlled by applying the artificial intelligence technology, the intelligent level, the operation efficiency and the product quality of the production line are remarkably improved, meanwhile, the production goals of energy conservation, efficiency improvement and intrinsic safety are achieved through refined management and control and whole-process safety protection, and intelligent and green development of the waterproof composite material industry is promoted.
Owner:YUNNAN XINCHENG WATERPROOF TECH CO LTD

Optical proximity effect correction method of ion implantation layer and semiconductor device manufacturing method

The invention provides an optical proximity effect correction method of an ion implantation layer and a semiconductor device manufacturing method, and the method comprises the steps: firstly cutting off a convex corner in a corner-to-corner structure with a small interval in an original layout of the ion implantation layer, and then carrying out the OPC of the layout after the corner cutting, according to the method, the limitation of mask rule inspection on the corner-to-corner structures can be avoided, and the space for correcting the optical proximity effect is enlarged, so that the key size of a final layout obtained by OPC can meet a target value, the problem of process hot spots caused by easy distortion of a corner-to-corner structure pattern in an ion implantation layer in the prior art can be solved, and the quality of the ion implantation layer is improved. And the accuracy of OPC correction is improved, so that a more accurate final layout of the ion implantation layer is provided. According to the manufacturing method of the semiconductor device, the final layout of the required ion implantation layer is obtained by using the optical proximity effect correction method of the ion implantation layer, so that the yield and the performance of a product can be finally improved.
Owner:RONGXIN SEMICONDUCTOR (NINGBO) CO LTD

Chaotic block encryption method and system based on model random selection, and medium

The invention discloses a chaotic block encryption method and system based on model random selection, and a medium, belongs to the technical field of information security, and is used for solving the problems that an existing chaotic encryption algorithm is easy to crack and maliciously attack when being independently used, depends on internal characteristics of a nonlinear function, does not expand a secret key space, and cannot be used for encrypting a chaotic block. And the improvement of the security of the secret key is limited. The method comprises the following steps: constructing a chaotic system model library based on a preset chaotic system; the chaotic system model library comprises a plurality of chaotic subsystems; generating a secret key initial field for the original image based on binary coding; selecting a corresponding target chaotic subsystem in the chaotic system model library according to the key initial field; and encrypting the original image through the target chaos subsystem to obtain an encrypted image. The line-level image chaotic encryption algorithm is designed, and the image encryption speed is increased. And the length of the secret key is increased, the space of the secret key is expanded, and the safety of the secret key is improved.
Owner:INSPUR GENERSOFT CO LTD

Refrigerant filling device with vacuum leak detection function

The invention belongs to the technical field of refrigerant filling, and particularly relates to a refrigerant filling device with a vacuum leak detection function, which comprises a displacement plate, a box body, a controller, a liquid storage tank, a vacuum pump, a manifold assembly, a booster pump and a connecting pipe assembly, and the connecting pipe assembly is connected with a balance assembly; the connecting pipe assembly comprises a manifold head, and the manifold head is connected with the balance assembly through a corrugated pipe. When the refrigerating system is vacuumized, air and water in the refrigerating system are pumped away through the vacuum pump, the sealing plate, the connecting ring and the corrugated pipe synchronously move towards the manifold head under the action of negative pressure, the connecting ring drives the corrugated pipe to be folded, and when the reset spring is stretched to the limit, the corrugated pipe is completely folded; moisture in the annular groove of the corrugated pipe is extruded out of the annular groove and pumped away through the vacuum pump, the corrugated pipe is in a completely folded state, the space of the annular groove is controlled to be in an extremely small range, the moisture is not prone to entering the annular groove when passing through the corrugated pipe, and moisture accumulation in the annular groove is avoided.
Owner:DAFENG TIANER MACHINERY

Intelligent collection equipment and collection method for collecting agaricus bisporus

The invention relates to intelligent collection equipment and a collection method for collecting agaricus bisporus, and solves the technical problems that when an existing agaricus bisporus automatic picking robot is used for collecting picked agaricus bisporus, manpower is consumed, the efficiency is low, and the collection number is small. The charging basket feeding device comprises a machine frame, a charging basket input device, a charging basket feeding device, a conveying belt, a material receiving and collecting device and a material collecting barrel lifting device, the charging basket input device is located under the charging basket feeding device, the conveying belt is connected with the bottom of the machine frame, and the charging basket input device is located on one side of the conveying belt; the material receiving and collecting device comprises a material collecting barrel, a first material receiving slope plate, a first telescopic hose and a first telescopic hose lower end positioning plate, the material collecting barrel lifting device is connected with the left end of the rack, and the material collecting barrel of the material receiving and collecting device is connected with the material collecting barrel lifting device. The method is widely applied to collection factorization.
Owner:HARBIN INST OF TECH AT WEIHAI

Construction method of TiH binary system machine learning potential

The invention discloses a construction method of a TiH binary system machine learning potential. The construction method comprises the following steps: constructing a reference electronic structure data set by adopting first principle calculation software VASP; training and testing an artificial neural network potential-ANN potential model on the reference data set by using the artificial neural network model; vASP and ANN potential obtained through training are used for calculating and comparing a Dimer curve, a lattice constant, an elastic modulus and the like for performance testing; and performing targeted improvement on data with large comparison error between the ANN model and the DFT result in model test and performance test results by increasing related configuration weights until an ANN potential model conforming to the precision is obtained. The machine learning potential model constructed by the invention can better fit the interatomic interaction potential energy surface of the TiH binary system, solves the problems of small time-space scale and low precision of the traditional empirical potential in the calculation of the first principle, and provides a technical basis for the high-precision and large-size simulation and research of the TiH binary system.
Owner:HEFEI UNIV OF TECH

Humanoid dexterous finger, humanoid dexterous hand adopting same and humanoid robot

The humanoid dexterous finger comprises a single-finger base, a fingertip, a first knuckle and a second knuckle, the fingertip, the first knuckle and the second knuckle are sequentially hinged from top to bottom, the bottom end of the second knuckle is hinged to a swing part, the swing part is rotationally connected with the single-finger base, and the rotating plane, relative to the swing part, of the second knuckle is not parallel to the rotating plane, relative to the single-finger base, of the swing part; the fingertips, the first knuckles and the second knuckles are all connected with connecting rod driving mechanisms independently driving the fingertips, the first knuckles and the second knuckles to act, each connecting rod driving mechanism comprises a main connecting rod with at least one end provided with a fisheye bearing and a driving piece arranged on the single-finger base, and the bottom ends of the main connecting rods are rotationally connected with the driving pieces. The humanoid dexterous hand comprises a palm and the humanoid dexterous finger which is arranged on the palm and adopts any scheme. The humanoid robot adopts the humanoid dexterous hand. The robot has the advantages that the fingers have four active degrees of freedom and can adapt to more complex scenes.
Owner:MIRROR TECHNOLOGY (SHANGHAI) CO LTD

Amino compound and organic electroluminescent device

The invention discloses a compound and an organic electroluminescent device, and relates to the technical field of organic electroluminescence, the compound at least contains more than one deuterium at a specific position of a benzene ring substituent group, and the introduction of deuterium, aryl or deuterated aryl groups at the position greatly improves the thermal stability and chemical stability of a material. And the service life of the device is prolonged. Meanwhile, larger steric hindrance and torque, better stability, better solubility, higher efficiency and longer service life are achieved.
Owner:NANJING TOPTO MATERIALS CO LTD

Oblique tripping mechanism for injection mold of automobile plastic part

The invention relates to an automobile plastic part injection mold oblique tripping mechanism which comprises a core pulling block used for forming an inverted buckle and a pouring gate arranged on the core pulling block, the pouring gate comprises a main runner and a submarine ox horn runner, the main runner is used for bearing hot melt plastic, and the submarine ox horn runner is used for bearing the hot melt plastic. The ox horn runner is communicated with the main runner and a cavity used for forming an inverted buckle on the mold, a mounting cavity is formed in the core-pulling block, a mounting seat is connected in the mounting cavity in a sliding manner, a communicating hole communicated with the mounting cavity and the main runner is formed in the core-pulling block, an ejector rod is arranged on the mounting seat and extends into the communicating hole, and the ejector rod is connected with the mounting seat in a sliding manner. A first control mechanism is arranged on the core pulling block and used for controlling the installation base to slide so as to drive the ejector rod to move into the main runner. While it is guaranteed that the automobile plastic part inverted buckle is completely formed, waste and the inverted buckle are automatically separated when the mold is opened, the inverted buckle is prevented from being pulled, and therefore the side contour edge of the inverted buckle is prevented from being pulled and deformed.
Owner:GEYEE MOULD CO LTD HUANGYAN TAIZHOU

Motor end cover and industrial motor

The invention provides a motor end cover and an industrial motor, the motor end cover comprises an end cover body and a fan housing, the end cover body is provided with an inner side surface used for being assembled with a non-driving end of the motor and an outer side surface located at the outer side of the inner side surface, the outer side face comprises a fan blade assembly face located in the center area of the outer side face and an air guide ring face located in the edge area of the outer side face and arranged around the fan blade assembly face, the fan housing is arranged around the radial outer side of the end cover body, and an air outlet channel of the centrifugal fan blade is formed between the fan housing and the air guide ring face. A plurality of partition pieces are arranged between the fan housing and the air guide ring face and divide the air outlet channel into a plurality of cooling channels, and the cooling channels extend in the axial direction of the end cover body. According to the invention, air flow guide can be formed before the air outlet flow of the centrifugal fan blades enters the heat dissipation flow channels among the heat dissipation fins of the subsequent motor shell, so that the initial air speed value of the cooling air flow entering the heat dissipation flow channels of the motor shell is effectively increased, and the heat dissipation effect is enhanced.
Owner:GREE ELECTRIC APPLIANCE INC OF ZHUHAI +1

Automatic machining device and machining method for diesel generator machining

The invention discloses an automatic processing device for diesel generator processing and a processing method, an intermittent rotating seat is rotatably mounted above a base, a composition jig is placed above the intermittent rotating seat, the composition jig is located between an inner supporting plate and an outer pressing plate, a plurality of stator cores are placed above the composition jig in an overlapping manner, and the stator cores are located between the inner supporting plate and the outer pressing plate. The inner side and the outer side of the stator core abut against the inner supporting plate and the outer pressing plate correspondingly, a lifting base is rotationally installed at the bottom end of a push rod of the hydraulic cylinder, a pressure maintaining plate is arranged below the lifting base, and two welding mechanisms are arranged on the upper portion of the base in a bilateral symmetry mode. The intermittent rotating seat is provided with the pressure maintaining mechanism, the stator iron core is stacked between the inner supporting plate and the outer pressing plate in the pressure maintaining mechanism, the stator iron core can be supported and positioned, the welding precision is improved, the inner supporting plate and the outer pressing plate can be far away from each other, the built-in space is large, and the stator iron core can be conveniently placed and taken out.
Owner:WUXI OWEISI MASCH CO LTD

Climbing robot

The invention provides a climbing robot. The climbing robot comprises a fixing frame, a box body arranged on the fixing frame, an obstacle crossing mechanism arranged on the box body and a climbing mechanism arranged on the obstacle crossing mechanism. A movable block is installed on the rotating shaft through a first spring, threaded rods are movably installed at the two ends of the movable block, bearing seats are installed on the threaded rods on the periphery of the first bevel gear, a fixed block is installed between the two bearing seats, and a rotating block is arranged in the fixed block and fixedly connected with the second bevel gear. Clamping blocks are installed at the lower ends of the rotating shafts and matched with movable grooves in the rotating blocks. And through the obstacle crossing mechanism, a large space is formed between the device and the climbing object for obstacle crossing, after obstacle crossing is completed, the device is attached to the climbing object again, wind resistance is reduced, and the climbing stability is improved. The climbing mechanism comprises moving arms on the two sides, shells are fixedly connected to the lower ends of the moving arms, driving rollers are fixed to the shell on the driving side, auxiliary rollers are fixed to the shell on the driven side, and the climbing efficiency can be effectively improved.
Owner:NANJING UNIV OF SCI & TECH

Test method for CAF test module of printed circuit board

PendingCN119291472AImplement CAF resistance testing requirementsbig spaceElectronic circuit testingHigh densityPrinted circuit board
The invention provides a test method for a CAF test module of a printed circuit board. The module test method comprises the following steps: S1, forming a test hole matrix on the printed circuit test board; s2, bonding pads are connected to the test holes, and the bonding pads are connected in an inclined mode through wires; s3, conducting wires are led out from each group of obliquely-arranged bonding pads at intervals, the conducting wires in the adjacent directions are connected in series, and the two testing wires are connected through an intersection point; s4, connecting the two test lines with test equipment respectively; the test module is not only suitable for a conventional through hole printed board, but also suitable for a high-density HDI board, the CAF-resistant test requirements of different hole wall distances are met by adjusting different hole diameters due to the fact that multiple groups of different hole center distances are covered, the distances are large enough, the selectable space is large for the test condition requirements of 500V and 1000V, and due to the fact that the number of test holes is increased, the test efficiency is greatly improved. And an inclined test combination is more harsh than a standard test, and is more persuasive for the reliability test of the high-performance printed circuit board.
Owner:TIANJIN PRINTRONICS CIRCUIT CORP

10kV cable single-phase earth fault detection method based on adaptive algorithm

The invention relates to the technical field of power system fault detection, and discloses a 10kV cable single-phase earth fault detection method based on an adaptive algorithm, and the method comprises the following steps: S1, employing a voltage collector and a current collector to collect the power frequency and transient signals of a switching station integrated intelligent terminal strip; s2, filtering and de-noising the collected signals through a self-adaptive digital signal processing algorithm; s3, adaptively determining a single-phase earth fault signal component, and identifying the most significant frequency band; s4, extracting features of the fault signal by using a multi-band multi-criterion adaptive algorithm; and S5, based on the extracted features, selecting the most significant criterion for single-phase earth fault detection. Through an adaptive algorithm and a deep learning model, the detection and recognition precision of a complex single-phase earth fault is improved, real-time intelligent processing is realized through an integrated monitoring module, misjudgment is reduced, the operation and maintenance efficiency is improved, the system adapts to multi-scene application, and the intelligentization and power supply reliability of the system are enhanced.
Owner:STATE GRID HENAN ELECTRIC POWER COMPANY ZHENGZHOU POWER SUPPLY CO

Bending equipment for solar photovoltaic support machining

The invention discloses bending equipment for solar photovoltaic support machining, and relates to the technical field of bending, and the bending equipment comprises a composite mechanism. According to the bending equipment for solar photovoltaic support machining, through the design of the composite mechanism, a support is placed on the conveying mechanism, the support is conveyed to the bottom of a composite frame body through the conveying mechanism, and then a hydraulic rod controls a pressing block to press the support, so that the fixing effect is achieved, and a certain shaping effect is achieved when the support is fixed; the lateral bending mechanism plays a certain anti-adhesion role in the bending process, adhesion and influence on the operation efficiency in the extrusion process are avoided, the lateral bending mechanism is matched with the pressing block, the lateral bending mechanism extrudes the two sides of the support so as to achieve the bending effect, the support is conveyed through the conveying mechanism, and the conveying efficiency is improved. Therefore, the support is convenient to replace, manual operation steps are reduced, and operation efficiency is improved.
Owner:GOOMAX SOLAR TECH CO LTD FUJIAN

Automobile seat structure and automobile

ActiveCN222179281URealize front and rear adjustment functionbig spaceThigh restsMovable seatsCar seatChassis
The automobile seat structure comprises a seat support and an automobile body support, the seat support comprises a seat cushion support and a backrest support, the seat cushion support comprises a seat cushion bottom frame and a seat cushion sliding frame, a backrest installation seat is arranged on the rear portion of the seat cushion sliding frame, and the bottom of the backrest support is installed on the backrest installation seat through a first rotating shaft. The backrest support can rotate around a first rotating shaft so as to be folded at the top of the cushion support or erected, the cushion sliding frame is arranged on the cushion bottom frame through a sliding rail structure, the cushion sliding frame and the backrest support can adjust the front and back positions of the cushion bottom frame through the sliding rail structure, and the vehicle body support is used for being connected to a vehicle body and comprises a rear vehicle body support. The rear portion of the seat cushion bottom frame is installed on the rear vehicle body support through a second rotating shaft, the second rotating shaft extends in the width direction of the seat, and the seat support can integrally turn over around the second rotating shaft. The utility model provides an automobile seat structure which can slide back and forth and can be folded and stored, and various use requirements can be met.
Owner:GAC HONDA AUTOMOBILE CO LTD +1

Rotary supporting base device of industrial robot

The rotary supporting base device of the industrial robot comprises a chassis, a supporting cylinder is fixedly connected to the middle of the upper surface of the chassis, a servo motor is installed on the upper surface of the chassis and arranged in the supporting cylinder, and the output end of the servo motor is fixedly connected with a connecting disc through a transmission shaft. The connecting disc is arranged on the upper side of the supporting cylinder and is concentric with the supporting cylinder, a plurality of supporting wheels are evenly installed on the edge of the lower surface of the connecting disc, the upper end of the supporting cylinder is sleeved with a movable cylinder, and two semicircular base plates capable of forming a ring-shaped structure are installed at the upper end of the movable cylinder through connecting screws. Two vertically-arranged electric push rods are installed on the upper surface of the base plate, the movable ends of the electric push rods are fixedly connected with the movable barrels, and the device has the advantages that the space for replacing abraded parts is enlarged, and the abraded parts can be replaced without detaching the connecting plate and other parts.
Owner:JILIN ANBO TECHNOLOGY CO LTD

Water-rich environment rock shearing force testing device

The invention provides a water-rich environment rock shear force testing device, and belongs to the field of rock shear tests. Comprising a left half box body and a right half box body which move mutually and can be spliced into a box body, the inner bottom walls of the left half box body and the right half box body are obliquely arranged, a sediment storage box communicates with a stirring box through a communicating pipe, the stirring box further communicates with a water inlet pipe, the water inlet pipe communicates with the stirring box and the box body, and the water outlet end of a water outlet pipe communicates with the stirring box. The water inlet end of the water outlet pipe is communicated with the box body, an experimental sample is installed between the lower shear box assembly and the upper shear box assembly, the upper shear box assembly provides shear force for the upper shear box assembly, and the lower shear box assembly provides shear force for the lower shear box assembly. When a test is started, the left half box body and the right half box body move in opposite directions, so that the space for loading an experiment sample is increased, the test is facilitated, sediment can be added into the stirring box through the sediment storage box, and after water and the sediment are mixed, the experiment condition under the water quality state containing impurities can be simulated.
Owner:CHINA RAILWAY FIFTH GROUP SECOND ENGINEERING CO LTD +3

Intelligent medical building design optimization method and system based on BIM

The invention belongs to the technical field of data processing, particularly relates to a BIM-based intelligent medical building design optimization method and system, and aims to solve the problems of high error rate and low optimization efficiency when real-time data is processed by a BIM model. The method comprises the following steps: acquiring a BIM model of a medical building, construction data and user input, establishing a mirror image model, detecting and correcting real-time data, processing the corrected data, detecting the real-time data by using a dynamic data detection model, correcting the data according to an error result, and optimizing the BIM model in combination with historical data. According to the method, the accuracy and optimization efficiency of the BIM model are improved, and efficient design, operation and maintenance of an intelligent medical building are supported.
Owner:YANTAI UNIV

Centralized lubrication electric drive axle

The invention provides a centralized lubrication electric drive axle which comprises an axle housing, and driving parts are fixedly arranged at the two ends of the axle housing. The cooling and lubricating system is used for cooling and circulating lubricating oil; an oil bottom box is fixedly arranged on the axle housing, an oil suction port is formed in the bottom of the oil bottom box and communicated with an inlet of a cooling and lubricating system through a pipeline, and an outlet of the cooling and lubricating system is communicated with oil inlets of driving components on the left side and the right side through oil inlet pipes respectively. An oil return pipe for communicating the oil outlet of the driving part on each side with the oil bottom box is arranged in the oil bottom box; when the axle housing inclines, the oil return ports of the two oil return pipes are located above the oil surface of the oil bottom box all the time, and the oil suction port is located below the oil surface all the time.
Owner:ZHENGZHOU YUTONG BUS CO LTD

Vascularized organ chip and method for large-scale culture

The invention belongs to the technical field of biomedical engineering and microfluidics, and particularly discloses a vascularized organ chip and method for large-scale culture, the vascularized organ chip comprises an upper runner layer and a lower culture layer, and the runner layer and the culture layer are fixedly sealed; a liquid storage pipe matched with the flow channel layer is adhered to the upper surface of the flow channel layer; according to the vascularized organ chip, the flow channel layer is used for pouring a culture solution to provide fluid stimulation and nutrients for cells; the three parallel-connected large-scale culture chambers of the culture layer are used for culturing cells, so that blood circulation of a microvascular system in a human body can be simulated, and a microenvironment in tissues can be reproduced more truly; meanwhile, the requirement for culturing a large number of tissue cells through the chip can be met, and the cell yield and the experiment scale can be effectively increased.
Owner:SHANGHAI UNIV

Mining dump truck, steer-by-wire system and steer-by-wire method

The invention discloses a drive-by-wire steering system of a mining dump truck. The drive-by-wire steering system comprises a touch feedback device, a steering control valve, a steering mechanism, a steering angle sensor, a vehicle speed sensor and a controller. The touch feedback device is arranged on the lower portion of the steering wheel, connected with the controller through a CAN bus and used for detecting the rotation angle of the steering wheel and sending a generated rotation angle signal to the controller; the steering control valve is connected with the signal input end of the steering mechanism through a signal line and connected with the controller through a CAN bus, and an output port of the steering control valve is connected with the steering mechanism through a pipeline, receives control signals of the controller and outputs hydraulic flow to the steering mechanism. And the controller forms a control signal according to the deflection angle signal and the driving speed signal. The invention further discloses a mining dump truck and a steer-by-wire method. A hydraulic physical pipeline between the steering wheel and the steering valve is omitted, and steering is achieved in a drive-by-wire mode.
Owner:INNER MONGOLIA NORTH HAULER

Corrugated pipe dust-free drag chain shell

The utility model discloses a corrugated pipe dust-free drag chain outer shell which comprises an upper shell body and a lower shell body, buckling edge strips are arranged on the two sides of the outer portion of the upper shell body and the two sides of the outer portion of the lower shell body in the length direction respectively, and an alignment column and an alignment hole are arranged between the two buckling edge strips which are attached to each other respectively. A plurality of clamps and clamping holes are further evenly arranged between the two buckling edge strips which are attached to each other in the length direction, the alignment columns enter the alignment holes, and the clamps enter the clamping holes. Due to the fact that the buckling edge strips are arranged outside the upper shell body and the lower shell body, the space of the pipe cavity portion is enlarged, in addition, the clip and the clamping hole are adopted, a structure similar to a stapler is added, the clip is nailed at a certain interval when the drag chain is used for a long time, the drag chain is prevented from cracking after being used for a long time, and the stability of a product is improved.
Owner:HUIZHOU ZHONGKE INTELLIGENT TECH CO LTD

BHET hydrolase designed based on inverse folding algorithm and preparation method thereof

The invention discloses a BHET hydrolase designed based on an inverse folding algorithm and a preparation method of the BHET hydrolase, and relates to the technical field of biology. The preparation method comprises the following steps: selecting polyester hydrolase PHL7, learning a protein crystal structure by using a deep learning algorithm Protein MPNN, carrying out three-dimensional structure modeling by using Esmfold, carrying out molecular docking on candidate protein and BHET, carrying out molecular dynamics simulation, and screening out protein which is well combined with a substrate; performing expression and purification; the invention further discloses the application of the BHET hydrolase in hydrolysis of BHET. Through the screening process, the BHET hydrolase can be simply, rapidly and efficiently screened from the candidate sequences generated in a large scale, and the source of the BHET hydrolase is expanded.
Owner:SHANGHAI JIAOTONG UNIV

Direct-current arc plasma furnace

The direct-current arc plasma furnace comprises a furnace body and a furnace cover arranged at the top of the furnace body, a negative electrode with the lower end extending into the furnace body is arranged in the center of the furnace cover, a plasma torch generating device with the lower end extending into the furnace body is arranged on the furnace cover, a feeding port is formed in the furnace cover, and a waste gas discharging port is formed in the upper portion of the furnace body. A molten liquid outlet and an iron outlet are formed in the lower portion of the furnace body, and the iron outlet is lower than the molten liquid outlet. The combustion-supporting furnace is scientific in principle, compact in structure and high in safety, the combustion-supporting range completely covers the internal area of the furnace body, crusting is avoided, waste incineration is more sufficient, the combustion efficiency is high, and more energy is saved.
Owner:HENAN QIMING ENVIRONMENT PROTECTION TECH CO LTD

Disc brake disc assembly capable of cooling and use method

The invention relates to the technical field of disc brake discs, and particularly discloses a disc brake disc assembly capable of cooling, which comprises a main body structure and a cooling structure, the cooling structure is detachably arranged on a caliper main body of the main body structure, according to the scheme, the disc brake disc is designed to be assembled, and the assembled disc brake disc forms a hollow H shape; meanwhile, copper pipes are symmetrically arranged on the inner side walls, cooling liquid can be contained in the copper pipes, efficient heat conduction, absorption and heat dissipation are conducted, and in the running and rotating process, fan blades in the middle of the disc brake set rotate under wind power to promote and improve internal heat dissipation; in addition, wind power is generated through the cooling assembly by means of an air pump, low-temperature wind power flowing out of one end of a vortex three-way pipe is blown to the disc brake disc through the vortex three-way pipe, the cooling speed is increased, the cooling effect is improved, and driving safety is guaranteed.
Owner:TAIZHOU ANTAI BICYCIE CO LTD

Folding seat with sliding function

PendingCN119116798AWith the function of flipping into the pitWith front and rear sliding adjustment functionMovable seatsDismountable/non-dismountable seatsCar seatControl theory
The invention discloses a turnover seat with a sliding function, which relates to the technical field of automobile seats and comprises a seat cushion lower frame assembly, a seat cushion upper frame assembly connected with the seat cushion lower frame assembly and capable of moving back and forth, and a backrest assembly connected with the seat cushion upper frame assembly, a driving part used for driving the cushion upper frame assembly to move front and back is arranged on the cushion lower frame assembly, and an angle adjuster is arranged on the backrest assembly; the turnover seat with the sliding function has the function of turning over into a pit and also has the front-back sliding adjustment function, passengers can sit on the turnover seat conveniently, the space utilization rate of a luggage compartment is greatly increased, and storage of large articles is facilitated.
Owner:CHANGZHOU ZHUOJUN AUTOMOTIVE SYST CO LTD