4results about How to "Reduce experiment preparation time" patented technology

The utility model relates to cell culture tool technical field especially, more particularly to an array formula multi -hole separation cell culture dish. The utility model provides an array formula multi -hole separation cell culture dish, solves the technical problem that cell culture dish in prior art can only culture same kind of cell under same environment. An array formula multi -hole separation cell culture dish, including frame, culture cavity, culture cavity set up in frame, and mark, mark set up in frame, and, every mark corresponds an independent culture cavity, array formula multi -hole separation cell culture dish sets up a plurality of independent culture cavities, and every culture cavity can be regarded as an independent'small culture dish'. This makes under same frame, to same kind of microorganism in different nutrient solution, medicine or other environmental conditions can carry out culture experiment simultaneously.

The utility model belongs to the technical field of soil wind erosion, disclose a kind of indoor small soil wind erosion experimental simulation device, the device includes test section, fusion section and contraction section, the one end of contraction section far from fusion section is first port, is provided with ventilation unit;The one end of contraction section close to fusion section is second port, is provided with rectifier net;Sample box is provided in the fusion section, for installing soil, the lower end surface of sample box and fusion section is abutted, the one end of test section far from fusion section is provided with baffle, test section, fusion section, contraction section and ventilation unit are fixedly connected by fitting mode, while guaranteeing the stability of the overall structure of device, greatly simplify the disassembly and assembly process, after experiment, device can be quickly and conveniently disassembled, each section inner wall is thoroughly cleaned, effectively solve the problem of inner wall cleaning difficulty, improve cleaning efficiency, ensure the cleanliness of device inside.

The utility model provides a drop hammer impact testing machine, which comprises an experimental box body, an experimental cavity, an experimental platform, a hydraulic cylinder, a hydraulic cylinder, a hydraulic cylinder, a hydraulic cylinder and a hydraulic cylinder, the drop hammer mechanism is arranged above the experiment box body, a vacuum cavity is formed in the top of the drop hammer mechanism, the drop hammer mechanism is further provided with a drop hammer channel which is arranged in the vertical direction and communicates with the vacuum cavity and the experiment cavity, and an experiment hammer body is connected into the drop hammer channel in a sealed and sliding mode; and the vacuum control unit is connected with the vacuum cavity and is used for enabling the experimental hammer body to move upwards in the drop hammer channel after negative pressure is applied to an area above the experimental hammer body in the vacuum cavity and the drop hammer channel. The vacuum control unit is used for providing negative pressure for the area above the vacuum cavity and the experiment hammer body, so that the experiment hammer body ascends in the drop hammer channel, and compared with a traditional mechanical lifting mode, the lifting mode is more efficient and stable, the experiment hammer body can be quickly lifted, the experiment preparation time is shortened, and the experiment efficiency is improved.

The application relates to an experimental system and method for collecting life degradation data of a conductive slip ring, which comprises a slip ring assembly, a drive system, a current-carrying loop and a vibration sensor. The slip ring assembly comprises a conductive slip ring, a slip ring fixing clamp and a slip ring transmission shaft. Each ring channel of the conductive slip ring is short-circuited in pairs through a wire on the side of the shaft to form a rotating closed loop circuit. The drive system comprises a servo motor, a first coupling and a second coupling. The servo motor drives a torque sensor fixed in a sensor clamp through the second coupling and transmits rotating power to the slip ring transmission shaft through the first coupling to drive the conductive slip ring to rotate. In the current-carrying loop, a direct-current power supply is used to supply power to the overall loop structure to form a plurality of independent test branches, and each test branch is connected in correspondence with the short-circuit ring channel of the conductive slip ring. The vibration sensor is used to collect the vibration signal of the conductive slip ring. The data acquisition unit is used for synchronously collecting and storing experimental data. The experimental bench is used for bearing the above components.