9results about How to "Avoid experimental failure" patented technology

This utility model discloses a well plate structure for intestinal flora culture, belonging to the field of flora culture experimental technology. It includes a culture plate and multiple culture containers. The culture plate has a placement hole that matches the shape of the bottom end of the culture container. The outer side wall of the bottom end of the culture container and the inner side wall of the placement hole are fixed by threaded engagement. The top of the culture container is provided with a detachable top cover. The center of the top cover has a puncture hole for the intestinal flora extraction syringe to enter and exit. An extension tube is connected to the puncture hole. The bottom end of the extension tube is frustoconical and the inner wall is provided with a silicone layer. The bottom of the culture container is provided with a plug that matches the opening of the bottom end of the extension tube. By utilizing the sealing fit between the top cover and the plug and the detachable design, the anaerobic environment required for intestinal flora culture is ensured, while avoiding the puncture problem caused by multiple layers of sealing.

The present invention relates to a guide tube installation structure and silicon dioxide production equipment. The guide tube installation structure includes a furnace body, a leveling component, a crucible and a guide tube, the leveling component includes a crucible tray and a plurality of leveling columns, the bottom end of each leveling column is threadedly connected to the furnace body, the top end supports the crucible tray, and the crucible is arranged on the crucible tray; a guide hole is provided through the side of the crucible in the horizontal direction, the guide tube is inserted into the crucible through the guide hole, and the outer peripheral surface of the guide tube is transitionally matched with the inner wall of the guide hole, and the end of the guide tube inserted into the crucible has an annular guide surface, and the diameter of the guide surface gradually increases in the direction away from the crucible to be equal to the diameter of the outer peripheral surface of the guide tube; the synergistic effect of the above two structures can ensure that the outer peripheral surface of the guide tube and the inner wall of the guide hole are tightly fitted after installation, thereby reducing the difficulty of installing the guide tube while improving the sealing effect after installation, effectively avoiding the problem of experimental failure due to leakage during the heating process.

This utility model relates to the field of reagent bottle holding cylinder technology, and discloses a reagent bottle holding cylinder for a roller mixer, including a cylinder assembly, wherein the upper and lower ends of the cylinder assembly are snapped with sealing components, the inner wall of the cylinder assembly is snapped with a ring of replaceable components, and the bottom of the inner wall of the cylinder assembly is installed with a ring of stabilizing components; the replaceable components include a separator plate and a retaining ring, wherein the separator plate is placed inside the main cylinder, and the retaining ring is fixedly installed on the inner wall of the separator plate; the replaceable components allow the device to be flexibly matched to reagent bottles of different shapes, eliminating the need to replace the entire holding cylinder for a specific container, reducing equipment costs, and reducing the risk of shaking or falling off, especially during high-speed mixing, avoiding reagent spillage, contamination, or experimental failure due to container loosening; the stabilizing components help reduce displacement or vibration of the holding cylinder, preventing the overall shaking of the instrument and protecting the experimental platform and surrounding equipment.

This invention discloses a method and system for evaluating DNA storage sequencing depth based on channel simulation, addressing the problems of inaccurate predictions and limited guidance in existing uniform distribution models. The method includes: when sequencing data is available, fitting real data to obtain log-normal distribution parameters μ and σ; when sequencing data is unavailable, obtaining μ and σ through simulation modeling based on experimental parameters; and combining these parameters to calculate the decoding ratio of the coding strand in the noiseless channel and the sequencing depth boundary in the noisy channel. The system includes input, storage channel modeling, sequencing depth calculation, and output modules. The model of this invention closely reflects reality, provides accurate predictions, reduces DNA storage and retrieval costs, improves the success rate of single-sequencing decoding, and is easy to use, facilitating the practical application of the technology.

The utility model relates to the technical field of power batteries, in particular to a collision testing device, which comprises a testing box body, a product collision acceleration air blowing pipe, a product resetting air blowing pipe and a product collision baffle plate, a placing port for placing a product and an observation window for observation are formed on a top plate of the testing box body, and the product collision acceleration air blowing pipe is arranged on the product resetting air blowing pipe. An air blowing port of the product impact acceleration air blowing pipe is arranged at a first end of the test box body, and an air blowing port of the product reset air blowing pipe is arranged at a second end of the test box body and is opposite to the air blowing port of the product impact acceleration air blowing pipe. The product impact baffle is arranged on the end face of the second end of the test box body, and a pressure sensor is arranged on the product impact baffle to feed back a product impact pressure value. The technical problem of lack of a rubber ring testing device in the prior art is solved.

The invention discloses an automatic mixing ultrasonic catalytic reaction system, which is characterized in that a main control module is connected with a sensor module, a power supply module, an LCD (Liquid Crystal Display) module and a GPIO (General Purpose Input / Output) control module and is used for completing regulation and control of the whole system; the GPIO control module is connected with the ultrasonic module and the motor module, completes regulation and control of the ultrasonic module and the motor module under the control of the main control module, and feeds back the working state of the system; the LCD display module is used for displaying state information of the system, the ultrasonic module is used for controlling ultrasonic waves, and the motor module is used for controlling a motor; the sensor module is used for collecting various parameters of the reactor in the reaction process. According to the scheme, the functions of automatic uniform mixing, accurate temperature control and ultrasonic adjustment are integrated in a unified system, the system structure is simplified, the operation convenience is improved, the reaction conditions can be monitored and dynamically adjusted in real time, the requirement for human intervention is reduced, and the automation level of an experiment is improved.

The invention discloses a novel sunlight simulation test box, and relates to the technical field of sunlight simulation test boxes. The environment change trend is accurately quantified through the analysis module in combination with factors such as the door opening time and the difference value of the internal and external environment parameters of the box before door opening; according to the variable quantity of the environmental parameters in unit time and a preset critical value, the time required by the temperature, the humidity and the gas concentration to reach the critical value can be calculated, and the minimum value is taken; an operator can know the remaining time when the environment reaches an unacceptable state in advance, the experiment operation is reasonably arranged, and the experiment failure caused by excessive change of the environment is avoided; after the box door is closed, the temperature, the humidity and the gas concentration in the box are automatically adjusted according to the monitoring and analysis results of the analysis module on the environmental parameters through cooperative work of the added equipment, so that the stable state required by the experiment is recovered, the recovery efficiency of the experimental environment is improved, and a reliable guarantee is provided for smooth proceeding of the subsequent experiment.

The present invention provides a creep aging forming device and method for a high-rib component that is difficult to deform. The forming device includes: a support seat, a mold plate and two support baffles. The mold plate is fixed on the support seat, and the working surface of the mold plate has a mold profile area that matches the target profile of the high-rib component that is difficult to deform; the length direction of the mold profile area corresponds to the direction of change of the skin thickness of the high-rib component that is difficult to deform, and the working surface is the surface of the mold plate away from the support seat; the two support baffles are arranged on the working surface, the bottom is in contact with the working surface, and are respectively located on the outside of the two ends of the mold profile area along the length direction. The two support baffles are at a suitable distance from the corresponding ends on the mold profile area, so that there is a suitable gap between the two ends of the blank and the two support baffles, avoiding interference between the blank and the support baffles during creep aging treatment, so that the blank can be bent to fit the mold profile area, so that the prepared product components have a higher pass rate.

The invention relates to a biological micromanipulation instrument axial movement mechanism capable of adjusting an oblique movement angle. The biological micromanipulation instrument axial movement mechanism comprises an angle adjusting assembly, an axial movement module and a manipulator which are sequentially arranged from top to bottom, the angle adjusting assembly comprises a reference plate which is transversely arranged, an adjusting shaft which is transversely and rotatably connected to the bottom of the reference plate and moves forwards and backwards, an adjusting plate which is transversely arranged below the adjusting shaft, a worm gear which is fixedly arranged outside the adjusting shaft in a sleeving manner, and a first servo motor which is fixed at the bottom of the reference plate; the worm is concentrically fixed to a rotating shaft of the first servo motor and meshed with the worm gear, the two ends of the adjusting shaft are fixed to the adjusting plate, and the rotating shaft of the first servo motor is transversely arranged leftwards or rightwards; the accuracy of puncture or injection operation can be remarkably improved, so that the experiment effect is ensured, and experiment failure is avoided; and the operation speed is greatly accelerated, so that the effects of saving time and labor are achieved, and the use is greatly facilitated.