12results about How to "Reduce experiment preparation time" patented technology

The invention discloses a GIS equipment electromechanical state and typical defect simulation test platform and a GIS equipment electromechanical state and typical defect simulation test method, relates to the field of electrical equipment electromechanical state and typical defect simulation tests, and solves the problem of simulation and research of electromechanical states and defect characteristics of gas insulated switchgear (GIS) under different operation conditions. Wherein the test platform comprises an AC voltage source, a GIS scaling model, a vibration table and an excitation power amplifier, defects are preset in the GIS scaling model, the GIS scaling model is provided with a transparent observation window used for observing the internal condition of the model, and the GIS scaling model is fixedly installed on the vibration table; an alternating-current voltage source is loaded on a GIS scaling model bus to simulate distribution of an electric field in a GIS, and vibration is applied to the GIS scaling model through a vibration table and an excitation power amplifier to simulate GIS vibration caused by current.

The invention discloses a rapid screening model for simulating co-culture of colon-like organs and flora, and belongs to the technical field of in-vitro digestion simulation. The invention provides a rapid screening model for co-culture of colon organoid and intestinal flora, and solves the problem that oxygen demands are difficult to coordinate due to different organoid and intestinal flora. By introducing an oxygen gradient control technology, coexistence of organoids in an aerobic environment and intestinal flora in an anaerobic environment is realized in the same system. The rapid screening model disclosed by the invention can efficiently simulate the intestinal microenvironment, is particularly suitable for researching the influence of flora metabolites on the intestinal microecology, and is widely applied to the fields of intestinal health, drug screening, functional food development and the like.

The invention discloses a temperature-controllable irradiation experiment device, and belongs to the technical field of irradiation experiment equipment, the temperature-controllable irradiation experiment device comprises a control base, and an irradiation box body is arranged on the upper surface of the control base; a temperature control bearing part used for bearing a plurality of irradiation samples and a driving unit used for adjusting the position and angle of the temperature control bearing part are arranged in the irradiation box body, and an adjusting unit used for adjusting the irradiation dose received by each irradiation sample is arranged on the temperature control bearing part. The irradiation dose of each irradiation sample can be independently and accurately regulated and controlled through the regulating unit, the strict requirements of complex experiments on irradiation dose differentiation of different samples are met, and accurate data support is provided for the fields of material irradiation modification, biological cell irradiation research and the like.

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 invention discloses a large-scale vacuum experiment system adopting a separated structure. The large-scale vacuum experiment system comprises a test chamber, a vacuum chamber and a gate valve, the test cabin is used for placing a test sample, and one side of the test cabin is provided with a connector; the vacuum chamber is provided with a connecting port which is used for being connected with the connecting port of the test chamber; the vacuum chamber is connected with a vacuum pump and can vacuumize the interior of the test chamber communicated with the vacuum chamber so as to provide a vacuum test environment for the test sample; the gate valve is arranged at a connecting port between the test chamber and the vacuum chamber, and when the gate valve is closed, the test chamber and the vacuum chamber are divided into independent sealed spaces; when the gate valve is opened, the test chamber and the vacuum chamber can form a unified sealed space. According to the large-scale vacuum experiment system provided by the invention, a separated structure is adopted, and the vacuum pump set operates in an independent space, so that the influence on the experiment space is avoided, and the stability and reliability of the experiment are improved.

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 utility model discloses a biotechnology research and development laboratory instrument drying device which comprises a drying mechanism and a cooling mechanism, the cooling mechanism is fixedly connected to the top of the drying mechanism, the cooling mechanism comprises a cooling box, and the right side of the top of an inner cavity of the cooling box is fixedly connected with a motor. The output end of the motor is fixedly connected with a first belt pulley, the surface of the first belt pulley is in transmission connection with a connecting belt, the left side of the top of an inner cavity of the cooling box is movably connected with a second belt pulley through a bearing, and the side, away from the first belt pulley, of the connecting belt is in transmission connection with the surface of the second belt pulley. The front side of the bottom of the connecting belt is fixedly connected with a transmission pin, and the surface of the transmission pin is sleeved with a transmission frame. According to the drying device, the phenomenon that waste heat of a traditional dried instrument is dissipated slowly is changed, the instrument is cooled through the cooling fan, the hands of a user cannot be scalded, and the safety of workers cannot be affected.

The invention discloses a titanium-aluminum alloy dealloying and aluminum porous structure collaborative processing device and method. The device comprises a workbench, a workpiece exchange mechanism, a collaborative processing groove body and a direct-current power supply, the collaborative processing groove body is mounted on the workbench; a partition plate is arranged in the collaborative processing tank body; the partition plate is made of a conductive material and divides an inner cavity of the collaborative processing tank body into an electrolysis cavity and an electroforming cavity which are independent from each other; the part exchange mechanism comprises an exchange driving mechanism, a mounting plate and two template clamping structures; according to the invention, electroforming and electrolysis operations for preparing an aluminum porous structure and dealloying treatment of a titanium-aluminum alloy workpiece can be simultaneously carried out through the same device, so that the production efficiency is improved, and the production cost is reduced.

The invention discloses a large test pool-reservoir-gallery circulating and dispatching system, and relates to the technical field of test pools. In the dispatching system, the bottom of a large-sized water tank is positioned in the center of the whole system and serves as a main storage and use area of an experimental water body; the inner reservoir and the outer reservoir are respectively positioned in inner and outer areas of the lower-layer annular backflow gallery and are connected through inner and outer reservoir channels, so that the water levels of the inner and outer reservoirs are always kept consistent; the lower-layer annular backflow gallery is arranged on the outer side of the inner reservoir and is used for storing and refluxing large-volume water; the water injection and drainage pump rooms are arranged on two sides of the water tank and are responsible for water injection and drainage; and the upper-layer gallery is arranged above the lower-layer gallery and provides a water body distribution channel. By designing the multi-channel system in which the upper and lower galleries are connected with the inner and outer reservoirs and the water pool, the water body path is optimized, the rapid and efficient scheduling of the water body is realized, different water level, water quantity and flow velocity requirements can be flexibly adapted, complex experiment conditions are met, and the experiment efficiency and precision are 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.

The device comprises a lead alloy shielding box, the top end and the front side of the lead alloy shielding box are both provided with openings, a body position fixing mechanism is placed in the lead alloy shielding box, and a local radiotherapy collimation mechanism is installed at the top end of the lead alloy shielding box. The fixing mechanism comprises a plug board, a head fixing module, a limb fixing module and a trunk fixing module, the local radiotherapy collimation mechanism comprises four vertical rods, a cross rod, a first multi-page lead alloy collimator and a second multi-page lead alloy collimator, and the first multi-page lead alloy collimator and the second multi-page lead alloy collimator are vertically staggered in a horizontal-vertical mode. The body position fixing mechanism adopts a fixed design of a plurality of modules such as a head, four limbs and a trunk, ensures that a mouse keeps a stable body position in the radiotherapy process, avoids errors possibly caused by slight movement in an anesthesia state, not only improves the experiment precision, but also reduces the burden of repeated operation of researchers.