8results about How to "Facilitate research work" patented technology

The utility model relates to the technical field of biotechnology, in particular to a biotechnology containing device which comprises a containing box, the top of the containing box is rotationally connected with a cover plate, the front side of the containing box is rotationally connected with a buckle, containing holes are evenly formed in the top of the containing box, and connecting cylinders are slidably inserted into the containing holes. The top of the connecting cylinder is open, a test tube is placed in the connecting cylinder, and a fixing mechanism used for clamping the test tube is arranged in the connecting cylinder. According to the test tube rack, the placing box is arranged, the placing hole is formed in the placing box, the connecting cylinder is inserted into the placing hole, test tubes are placed in the connecting cylinder, and the test tubes are fixed in the connecting cylinder through the fixing mechanism, so that the test tubes with different sizes can be accommodated, and the test tubes can be protected in the connecting cylinder; meanwhile, a plurality of test tubes can be conveniently transferred at the same time, so that the research work of biotechnology is facilitated.

The utility model discloses a portable pest sampler which comprises a box body and a support sleeve, the bottom of the box body is provided with a trigger assembly, the trigger assembly comprises a movable plate and a touch pressure switch, the bottom of the movable plate is provided with an adjusting assembly, the adjusting assembly comprises a screw rod and a spring I, the inner side of the support sleeve is provided with a sealing assembly, and the sealing assembly is provided with an opening. The sealing assembly comprises a flashboard and a first electromagnet, an anti-pinch assembly is installed at the bottom of the flashboard, and the anti-pinch assembly comprises a button and a clamping groove. When the portable pest sampler is used, a screw rod is rotated according to the size of pests needing to be captured, and the screw rod drives a supporting block to move up and down; the elastic force of the first spring to the movable plate is adjusted, so that the harmful organisms have sufficient pressure to downwards extrude and press the switch, the harmful organisms are ensured to effectively enter the inner side of the box body, and the sampling device can adapt to sampling work of the harmful organisms with different sizes.

The present invention relates to the field of molecular biology detection technology, and in particular to a primer combination, a kit and a method for detecting human neutrophil antigen genotyping. The present invention designs a forward primer, a reverse primer and an extension primer for all 11 SNP sites of the human granulocyte antigen HNA 1-5 system, and the sequence is shown in SEQ ID No: 1-22. The method for detecting human neutrophil antigen genotyping using the primer combination can achieve batch detection of 96 or 384 samples per batch, and high-throughput detection will bring great convenience to related clinical diagnosis and scientific research work, greatly save experimental time, and the detection method is accurate and stable.

The utility model relates to the technical field of agricultural equipment, in particular to a field irrigation simulation system which comprises a simulation mechanism used for simulating a field environment, a plurality of planting mechanisms used for planting crops and a plurality of real-time monitoring mechanisms used for monitoring the simulation mechanism and the planting mechanisms in real time. The irrigation mechanisms are used for irrigating water and / or chemicals, and the electrical control unit is used for overall control. According to the invention, a series of work such as accurate simulation of a field environment, batch planting of crops, environment detection, crop detection and custom selection of multiple irrigation modes can be realized, the automation and custom degree is high, the integration degree is high, the occupied space is small, the environment in the simulation mechanism is conveniently and automatically adjusted according to simulation requirements, and the simulation efficiency is improved. Meanwhile, automatic irrigation of water and chemicals can be achieved, the working intensity of researchers is greatly reduced, real-time monitoring of the environment and crops can be achieved through the real-time monitoring mechanism, the monitoring precision is high, and research work can be conveniently carried out.

The utility model discloses a trace collection device for aquatic molecule samples, which belongs to the technical field of sample collection devices and comprises a mounting plate, a sample layout structure is mounted at the bottom of the mounting plate, and a sampling barrel is mounted on the sample layout structure; the sample layout structure comprises an ejection mechanism and two supporting shells symmetrically mounted at the bottom of the mounting plate, T-shaped sliding blocks connected with the outer wall of the sampling barrel are slidably mounted in inner cavities of the supporting shells, and the sample layout structure further comprises a threaded rod and a worm which are rotatably mounted in the mounting plate through bearings; the lower portion of the threaded rod is in threaded fit with the T-shaped sliding block, a worm gear in transmission fit with a worm is installed on the upper portion of the threaded rod, and one end of the worm penetrates through the installation plate, extends to the outside and is provided with a handle. According to the aquatic molecular sample trace collection device, the problem that an aquatic sample is easy to adhere to the inner wall of the sampling barrel and is inconvenient to take out after an existing aquatic molecular sample trace collection device is used for sampling is solved, and convenience is provided for aquatic molecular biology research work.

The application discloses an air turbine engine experiment platform, and relates to the field of aerospace, and aims to solve the problem that an air turbine engine is inconvenient to test performance. The air turbine engine experiment platform comprises a gas generator, an electric duct is arranged at one end of the gas generator, a spark plug is arranged on the outer wall and is in communication, a first nozzle is arranged between the spark plug and the electric duct in the gas generator; a turbine is in communication with the gas generator at one end; a main combustion chamber is in communication with the other end of the turbine, and the main combustion chamber is provided with a first through hole close to the one end of the turbine; and a compressor is coaxially connected with the turbine and is in communication with the first through hole. The electric duct is started to introduce air into the gas generator, the spark plug ignites the fuel injected by the first nozzle, high-temperature gas is generated to drive the turbine to rotate, the compressor is driven to move, air is introduced into the main combustion chamber, and the high-temperature gas and the air are discharged after being combusted in the main combustion chamber. The application uses air as an oxidizing agent to realize the function of an air turbine rocket engine, and is convenient to operate and test the performance of the air turbine engine.

The invention relates to the technical field of fertilizer application machines, in particular to a width-adjustable uniform soil fertilizer application machine which comprises a mounting table, and a storage mechanism is fixedly mounted on the top surface of the mounting table; the storage mechanism comprises a fertilizer box arranged above the mounting table; the fertilizer box is connected with a material distributing assembly, and the material distributing assembly is connected with a plurality of discharging pipes; a depth adjusting mechanism is mounted on the bottom surface of the mounting table, a mounting assembly is arranged in the depth adjusting mechanism, and a plurality of groups of fertilizing assemblies are fixedly mounted on the mounting assembly; the precise discharging device further comprises a precise discharging assembly, the precise discharging assembly rotationally penetrates through the multiple discharging pipes, and a transmission assembly is connected between one end of the precise discharging assembly and the mounting shaft at the corresponding position. Through the arrangement of the material distributing assembly, the loose state of nitrogen fertilizer particles can be kept while materials are synchronously supplied to the multiple groups of fertilizer applying assemblies; through the arrangement of the precise discharging assembly and the transmission assembly, the discharging speed and the advancing speed of the device are in a proportional relation.

The invention discloses a mechanical property testing device for an anchor cable and an inner anchor head and a testing method thereof, comprising an environmental simulation component, wherein an anchor cable anchor head simulation component and a stress deformation monitoring component are arranged in the environmental simulation component, wherein the environmental simulation component comprises a box body, wherein the box body is filled with simulated mortar and simulated surrounding rock, wherein the anchor cable anchor head simulation component is arranged in the simulated surrounding rock; the testing method comprises the following steps: S1, making simulated surrounding rock representing different strengths, and setting a pressure box for monitoring the internal stress of the surrounding rock mortar; S2, setting anchor cable axial force monitoring sensors at both ends of the simulated anchor cable, and connecting the two ends of the simulated inner anchor head with the simulated anchor cable and a jack respectively; S3, performing grouting operation in the box body and setting a pressure box for monitoring the internal stress of the surrounding rock mortar; S4, drawing auxiliary lines for monitoring deformation of the surrounding rock mortar, and installing a video monitor; S5, controlling the jack to perform simulation, and recording the data changes of each instrument during the tensioning process in real time.