34results about How to "No need to transfer" patented technology

The invention belongs to the technical field of plant cultivation, and discloses a method for direct sowing and seedling breeding of bletilla seeds. The method comprises the following steps of A, seed harvesting; B, seed treatment by agents; C, seed sowing; D, seedling breeding, and management of water and fertilizer. The method has the advantages that the survival rate of seedling is high, the cost is low, the operation is simple, the propagation speed is quick, and the method is suitable for scale production.

The invention provides a preparation method of suspended graphene. The preparation method comprises the following steps: step A, adopting a semiconductor technology to prepare an expected structure on a silicon carbide substrate; step B, in a carbon-rich environment, adopting a high-temperature thermal decomposition method to prepare the suspended graphene. The preparation method is simple in preparation process, free of chemical pollution, and suitable for mechanical and automatic manufacture; the obtained suspended graphene is easier to use.

The invention relates to a vacuum filtering device. The vacuum filtering device comprises a filtering cup and a filtrate bottle, and further comprises a clamp ring and a filtering main body, wherein the clamp ring comprises a circular ring and clamp ring arms and is used for fixing the filtering main body and the filtering cup; the filtering main body comprises a body, a filtering film supporting member and a filtration joint; the upper bottom surface of the body is provided with a first groove; the interior of the first groove is provided with a first blocking part; the upper part of the side surface of the body is provided with a first outer screw thread matching with a first inner screw thread; the lower bottom surface of the body is provided with a second groove which is connected with the filtrate bottle; the interior of the body is also provided with a filtrate channel and a gas channel; the first groove communicates with the second groove through the filtrate channel; the second groove communicates with the exterior of the filtering main body through the gas channel; the filtering film supporting member is arranged on the first blocking part; and the filtration joint is arranged on the gas channel and extends out of the body. The vacuum filtering device provided by the invention has the advantages of simple structure, firmness, durability, use convenience, cleaning easiness, etc.

The invention discloses a method for preparing recombinant-aspergillus niger glucose oxidase and application of the recombinant-aspergillus niger glucose oxidase. Recombinant trichoderma reesei Tu6 delta tku70::Agod constructed by introducing an Agod gene into trichoderma reesei Tu6 delta tku70 can successfully express the recombinant-aspergillus niger glucose oxidase, the expression quantity is high, and the enzyme activity in fermentation broth can achieve 137 U/mL which is the highest level of the enzyme activity of shake flask fermentation in production of glucose oxidase strains at present. After the recombinant-aspergillus niger glucose oxidase in the fermentation broth is subjected to ni-sepharose purification, the detected enzyme activity can achieve 342 U/mL. The specific activity of the recombinant-aspergillus niger glucose oxidase is 155 U/mg protein. The recombinant-aspergillus niger glucose oxidase prepared by the method has good heat stability and good acid-alkali tolerance, the fermentation process is simple, transferring is not needed, raw materials are cheap and are easily obtained, and the cost is greatly reduced. The recombinant-aspergillus niger glucose oxidase can be widely applied to the fields of food and medicine.

The present invention discloses an MESH product wireless network frequency-width automatic switching characteristic test system and method. The system includes a first MESH node, a second MESH node, afirst PC client, a second PC client, a step attenuator, a shielding room, a second shielding box, and a first shielding box, wherein the first MESH node and the second MESH node, the first PC client,the second PC client, the step attenuator, the second shielding box and the first shielding box are all disposed in the shielding room, and the second MESH node is connected to the second PC client through a second network cable, the first MESH node is disposed in the first shielding box, and the second MESH node is disposed in the second shielding box. The system solves the technical problem oftroublesome testing caused by frequent replacement of the test environment existed in the prior art.

The invention discloses a traffic vehicle flow intelligent monitoring camera, which comprises: two photosensitive elements, a main control processing module and a cloud server, and the photosensitive element is equipped with a telephoto lens; the main control processing module includes: a digital signal processing chip, a local storage module, a vehicle traffic calculation module and radio frequency wireless port, the digital signal processing chip sends the processed lane image signal to the local storage module, the traffic flow calculation module is connected to the output end of the digital signal processing chip, and the traffic flow calculation module sends the traffic flow statistical data Send it to the cloud server through the radio frequency wireless port. Instead of manual labor, it intelligently detects and analyzes and classifies the data and stores them in the cloud server and local storage module. It has a simple structure and does not need to transmit a large amount of data, which saves labor costs, improves efficiency, and realizes the intelligent control and big data of the Internet of Things. Cloud storage brings convenience, efficiency and accuracy to traffic management analysis.

The invention discloses a method for preparing recombinant-penicillium amagasakiense glucose oxidase and application of the recombinant-penicillium amagasakiense glucose oxidase. Recombinant trichoderma reesei Tu6 delta tku70::Pgod constructed by introducing a Pgod gene into trichoderma reesei Tu6 delta tku70 can successfully express the recombinant-penicillium amagasakiense glucose oxidase, the expression quantity is high, and the enzyme activity in fermentation broth can achieve 28 U/mL. The recombinant-penicillium amagasakiense glucose oxidase in the fermentation broth is subjected to ni-sepharose purification, the enzyme activity in a protein solution obtained by ultrafiltration concentration can achieve 330 U/mL, and the specific activity of the recombinant-penicillium amagasakiense glucose oxidase is 407 U/mg protein. The recombinant-penicillium amagasakiense glucose oxidase prepared by the method has good heat stability and good acid-alkali tolerance, the fermentation process is simple, transferring is not needed, raw materials are cheap and are easily obtained, and the cost is greatly reduced. The recombinant-penicillium amagasakiense glucose oxidase can be widely applied to the fields of food and medicine.

The invention discloses a method for preparing nanocrystalline graphene on a sapphire substrate and belongs to the field of semiconductor material preparation. The method comprises the following steps of putting a sapphire substrate into a graphene PECVD plasma device, pumping vacuum and filling an inert gas to target pressure; heating the sapphire substrate to a target temperature; pretreating the sapphire substrate in hydrogen atmosphere; setting source power of PECVD plasma to be target powder, setting chamber pressure to be target pressure, setting hydrogen gas flow to target flow, turning on a PECVD plasma power supply to form plasma; introducing a carbon source, setting the carbon source flow to be target flow, setting the growth time and growing the graphene; and closing the carbon source, closing the PECVD plasma, completing growth and cooling to room temperature. The graphene material prepared through the method does not need to be transferred, the preparation cost of wafer-level graphene is reduced and the method is of important significance in graphene foundation research and device research.

The invention relates to a flanging device for a tetrafluorohydrazine pipe. The flanging device comprises a supporting bracket and a flanging positioning device. The supporting bracket comprises a base, the base is provided with a slide rail, centering mechanisms are symmetrically and radially arranged on the front and rear portions of the slide rail, one or more jacking mechanisms are arranged between the two centering mechanisms, and the front end of the slide rail is provided with a positioning mechanism. The flanging positioning device comprises a mounting base, the left and right sides ofthe front end of the mounting base are provided with a conical heating flanging mechanism and a stock mold respectively, the rear end of the mounting base is connected with a motor, and the motor isslidingly arranged on a slide base through a support and pushed by an air cylinder to move frontwards and backwards. The flanging device for the tetrafluorohydrazine pipe can improve the work efficiency.

The invention provides a water conservancy gate load protection method and device. The method comprises the steps that a set comparison voltage value is obtained; acquiring a working current value of a water conservancy gate motor; converting the working current value into a working voltage value; after delaying for a certain time, comparing the working voltage value with the comparison voltage value; and if the working voltage value is greater than the comparison voltage value, shutting down the motor. The device comprises a detection unit and a conversion unit, the detection unit is configured to obtain a working current value of a motor, and the conversion unit is configured to convert the working current value into a working voltage value; the setting unit is electrically connected with the comparison unit and is configured to obtain a current limiting value and distribute different comparison voltage values according to the current limiting value; the comparison unit is used for comparing the working voltage value with the comparison voltage value and outputting a comparison result; and the control unit is used for controlling power-on and power-off of the motor. The method and the device realize load protection by detecting the current of the motor, and are safer and more reliable.

The invention provides a defrosting device for a refrigerator. The device includes a defrosting frame, a guide rail support and a driving device, wherein canvas is detachably arranged on the defrosting frame; the guide rail support is arranged below an overhead coil of the refrigerator and used for bearing the defrosting device; the driving device is arranged in the defrosting frame and used for driving the defrosting frame to move on the guide rail support. When used for defrosting of the overhead coil, the device fills the blank of mechanical defrosting of the overhead coil in the refrigerator, and defrosting of the whole refrigerator is achieved. The problem that goods need to be moved for defrosting of the overhead coil in the refrigerator is solved, labor and material resources are greatly saved, the goods do not need to be transferred during defrosting, and the temperature and the quality of the goods are ensured.

The invention discloses a rhizoma bletillae liquid pollination device. The rhizoma bletillae liquid pollination device comprises a pipe body. The top of the pipe body is rotationally connected with asealing cover. An injection head is arranged in the center of the bottom of the pipe body. The top of the pipe body is rotationally connected with the sealing cover, and the rotating angle of the sealing cover is 0-180 degrees. A first cavity is formed in the sealing cover. A second cavity is formed in the pipe body. The first cavity and the second cavity are communicated with each other, and thesection shapes of the first cavity and the second cavity are the same. An extrusion mechanism is installed in the sealing cover. The extrusion mechanism comprises a push rod and a rubber plug. The push rod perpendicularly penetrates through the center of the sealing cover. The rubber plug is arranged at the bottom end of the push rod, and the rubber plug is embedded into the first cavity or the second cavity in an attached mode. According to the rhizoma bletillae liquid pollination device, the sealing cover and the extrusion mechanism can integrally rotate to one side, so that the top of the pipe body is opened, and water and pollen can be conveniently put into the pipe body. Therefore, the pipe body can be directly used as a pollen liquid mixing area and an injection storage area withouttransfer.

The invention discloses a multifunctional material taking device for the pathology department, and relates to the technical field of medical instrument assistance. The supporting legs are fixed to the four corners of the bottom of the cleaning box. The fixing mechanisms are distributed on the front side wall of the supporting plate in a matrix mode. The cleaning mechanism is arranged in the cleaning box; the drying mechanism is arranged on the right side of the cleaning box and connected with the cleaning box. The instrument fixing mode is simple, hands are prevented from being hurt by sharp ends, unused instruments cannot be touched, pollution is avoided, and the instruments are convenient to take. During use, instruments can be placed in the net frame, so that the instruments can be cleaned in time after use and do not need to be transferred.

The invention relates to an air-ground dual-purpose suspension type air rail traffic system, which comprises a suspension type air rail train body. A connecting device for being connected with a ground trailer is arranged at the bottom of the suspension type air rail train body, and a suspension device for being suspended on the lower part of a railway beam is arranged at the top of the suspensiontype air rail train body. According to the air-ground dual-purpose suspension type air rail traffic system, the advantages of various railway systems are combined, the characteristic that a suspension type air rail is suspended through the upper part, but other train systems are all supported through the bottom is utilized, trains with the various systems are reinforced with one another, and theair-ground dual-purpose suspension type air rail traffic system can be basically suitable for various road sections.

The invention discloses a cold-batch degreasing and bleaching method for pure cotton spunlace non-woven fabric, and belongs to the technical field of bleaching. The method comprises the following steps of (1) primary cold batching: carrying out primary cold batching on a cotton web subjected to impurity removal; (2) secondary cold batch: carrying out secondary cold batch on the cotton web subjected to the primary cold batch; and (3) washing: washing the cotton web subjected to secondary cold batch, and then carrying out a spunlace process, wherein the primary cold-batch liquid comprises a first composite bio-enzyme agent and a first auxiliary agent; the pH value of the secondary cold-batch liquid is 7-8; the secondary cold-batch liquid comprises a low-temperature refining agent, a second composite bio-enzyme agent, hydrogen peroxide, sodium hydroxide and a second auxiliary agent; and the first composite bio-enzyme agent and the second composite bio-enzyme agent both comprise pectinase, cellulase, proteinase and lipase. The method has better impurity removal, degreasing and bleaching effects; the whiteness of the non-woven fabric treated by the method can reach 80 or above; the water absorption capacity is 12-14g according to the patent; and the weight loss rate is greater than 6%.