31 results about "Behavioral experiment" patented technology

The invention discloses a nuclear reactor fuel rod simulating electric heating device and an assembly process. The device comprises a simulation jacket and simulation fuel element pellets, each simulation fuel element pellet is provided with 16 through holes axially extending along the simulation fuel element pellet, thermocouple wire anodes are mounted in part of the through holes, thermocouple wire cathodes are mounted in part of the through holes, and inert gas is stored in the rest through holes. Electric heating rods are mounted in an inner cavity of each simulation fuel element pellet, and a plurality of external wall temperature thermocouples are mounted on the outer side of the simulation jacket. The electric heating device is used for laboratory simulation of nuclear reactor fuel rods to carry out high-temperature degradation and reflooding behavioral experiments of fuel rods for pressurized water reactors under severe accident conditions. A working medium is an aqueous medium, a steam medium or an inert gas medium, a working pressure is 5MPa, a long-term working temperature is 1800 DEG C, and a short-term working temperature is 2400 DEG C.

The invention discloses a wireless infrared remote control optogenetic system. An infrared emitting end comprises a power supply driving board, infrared emitting tube lamp strips, a signal source and a 5V power supply; and an infrared receiving end comprises an infrared receiving pipe, a 3.7V lithium battery, a comparison circuit and blue light emitting diodes. The lighting and extinguishing of the infrared emitting tube lamp strips are controlled through controlling on-off states of the power supply by virtue of a signal source, so that the infrared emitting tube lamp strips are basically equally bright and can synchronously shine or go out; and the infrared receiving pipe is used for receiving infrared signals of infrared emitting tubes of the infrared emitting tube lamp strips, the lighting and extinguishing of blue infrared emitting diodes are controlled through the comparison circuit, and optical signals of the blue light emitting diodes are guided into biological cells through optical fibers, thereby realizing effective photic stimulation. The wireless infrared remote control optogenetic system can be remotely and wirelessly operated and controlled in an experimental box and is small in volume, high in integration level and compact in structure; and remote control signals of the signal source can be accurately and timely responded, and the infrared remote control range is wide, so that the free activities of mice in a large scope are not influenced, and the system is beneficial to the large-scale behavioral experiments.

The invention discloses a multipurpose psychology behavior scale entry system, and mainly aims to solve the various problems of traditional behavioral experiment design, experimental information collection and data compilation. The multipurpose psychology behavior scale entry system mainly comprises the following steps that an experiment scale combining scheme is customized; the scheme is loaded, preparation work is conducted to implement an experiment; the experiment is started, and individual information of tested people are input; scale entry is finished by the tested people according to prompts; whether the input meets requirements is judged; the entry of the information of tested people is finished; the information output is stored; input scale files are loaded; grouping scales and grouping threshold values are set; grouping statistical results are output. According to the multipurpose psychology behavior scale entry system, the various problems in the process of collecting traditional psychology behavior scales can be almost solved, working efficiency of scientific researchers is effectively improved, and effectiveness of experimental information is improved.

The invention relates to an information display format and function layout method for an intelligent control production line system. The complex and massive information which needs to be displayed inan information network of the intelligent control production line system is firstly extracted; classification and grouping are carried out based on aspects such as the information processing process of a person, visual cognition behaviors, frequencies and importance, and connotation and significance are known; a subsystem which needs to be displayed is subjected to visual icon design according toan icon design process and a principle; a behavioral experiment is used to optimize and improve the icon design; the hierarchy relationship, the function relationship, the position relationship, the affiliation relationship and the like among the massive information in the intelligent control system are found out, and function layout is carried out on the system according to a layout method; an eye movement experiment is performed to acquire quantitative data of behavior and physiology indicators of the user under different test tasks, a final function layout mode is obtained through data result optimization, and a referable information display format and function layout mode is provided for the intelligent control system.

The invention provides medical application of brain and heart beneficial tablets in treatment of Alzheimer's disease, and has the outstanding medical treatment effect. A mice is feed with a brain andheart beneficial tablet water solution, the brain and heart beneficial tablets are proved to have the efficacy of preventing and treating Alzheimer's disease through behavioral experiments (mine test,jump platform test, Y maze test and water maze test), immunohistochemical,serum and cortical brain ELISA measuring and western blot, forming of Abeta plaque in the brain can be reduced, and the pathologic condition of Alzheimer's disease can be improved by adjusting the oxidative stress and cholinergic system.

The invention relates to a construction method and an application of a conditional ivermectin receptor (IVMR) transgenic mouse model, and belongs to the technical fields of conditional animal model construction method and application. Under the action of a Cre recombinase, all cells (especially cerebral neurons) of the mouse model can conditionally express the ivermectin receptor IVMR, and the excitability of the neurons expressing the ivermectin receptor IVMR can be down-regulated by applying a drug ivermectin (IVM). Compared with the prior art, the technical method (including a drug administration mode, and targetedly using a transgenic mouse for specific expression of Cre) does not has any brain damage on the mouse. Influence of the used drug ivermectin IVM on animals has a sufficiently long half-life period, and animal behavioral experiments are suitably carried out. In addition, the half-life period is relatively stable, the experiments can be again carried out after drug failure, and before-and-after comparison experiments are conveniently carried out on the same animal.

The invention discloses an electric heating device and an assembly process for simulating nuclear reactor fuel rods, comprising a simulated cladding and a simulated fuel element core block, 16 through holes extending along the axial direction are arranged on the simulated fuel element core block. A thermocouple wire positive electrode is installed in some of the through holes, a thermocouple wire negative electrode is installed in some of the through holes, and an inert gas is stored in the remaining through holes; An electric heating rod is installed in the inner cavity; a plurality of external wall temperature thermocouples are installed outside the simulated enclosure. The invention is used for simulating nuclear reaction fuel rods in a laboratory, and carries out experiments on high-temperature degradation and re-flooding behavior experiments of fuel rods used in pressurized water reactors under serious accident conditions. The working medium is water medium, steam medium or inert gas medium, the working pressure is from normal pressure to 5MPa, the long-term working temperature is from normal temperature to 1800°C, and the short-term working temperature is from normal temperature to 2400°C.

The invention discloses an extraction method and application of chroogomphus rutilus polysaccharide with anti-motion sickness effects. The polysaccharide takes chroogomphus rutilus as a raw material, and is prepared by a water extraction and alcohol precipitation method. The chroogomphus rutilus polysaccharide is used for prevention and treatment of motion sickness, and the results show that very good anti-motion sickness effects can be provided when 200mg / kg of chroogomphus rutilus polysaccharide is given to the stomach by behavioral experiments and hormone level tests. The motion sickness symptoms such as visceral discomfort, incontinence, piloerection and tremor can be obviously reduced, and the level of 5-HT in serum can be reduced, and the motilin level is improved; and most importantly, rats are in good spirits, has no low spirits and other side effect symptoms. The 200mg / kg of chroogomphus rutilus polysaccharide is an ideal dose for the polysaccharide anti-motion sickness. The extraction method provides a novel material and a reference dose for further development of novel anti-motion sickness drugs with efficient, non-toxic and non-side effects.

The invention discloses a method for judging fatigue failure of titanium alloy under load at room temperature, and belongs to the technical field of fatigue failure of titanium alloy. This method is to use optical microscope and scanning electron microscope to observe the fracture after fatigue failure and the secondary cracks in the longitudinal section of the fracture, and make a comprehensive judgment based on the fatigue crack initiation position on the fracture, the characteristics of the initiation area, and the secondary crack morphology of the longitudinal section. of. The invention has the advantage that it can accurately identify the failure caused by the load fatigue behavior in the titanium alloy and the strength of the load fatigue effect during the failure process. Through the establishment of relevant evaluation standards, it can provide reference for the laboratory research on the fatigue behavior of titanium alloys under load, the evaluation of the load effect of titanium alloys and the analysis of fracture failure.

The invention discloses an experimental test device for the fire spread characteristic of a thermoplastic material. The experimental test device is characterized in that a molten liquid solidifying system is arranged at the lower part of a tested sample; the dropping molten liquid of the thermoplastic tested sample can be cooled in real time in an experiment; the pool fire formed by the molten liquid is decoupled from the fire spread phenomenon of the tested sample to facilitate intensive study on the coupling action mechanism between the fire spread phenomenon on solid surface and the pool fire at the lower part in the fire spread process of the thermoplastic material; the samples can be arranged freely according to the required layer number and arrangement mode, and thus the layer number, thickness, structure and surface conditions of the samples can be unrestrictedly adjusted according to the test need; the testable samples are more diverse than those of an existing experimental device, and the device is more flexible to use. The device disclosed by the invention has the advantages of reasonable structure, easily available materials, stable working performance and simplicity in operation, and can realize repeated operation and meet the needs of large-scale industrial production.

The invention relates to a health-care product for improving memory and brain function and a making method. The health-care product comprises the following components in part by weight: 20 to 30 parts of soybean phosphatidylserine, 10 to 25 parts of tea amino acid extract, 10 to 20 parts of watermelon extract, 10 to 20 parts of white peony root extract, 5 to 15 parts of wine extract, and 10 to 20 parts of pine bark extract. Compared with the prior art, the soybean phosphatidylserine, the tea amino acid extract, the watermelon extract, the wine extract, the white peony root extract and the pine bark extract have an obvious promoting effect on long-term potentiation (LTP) of a hippocampus CA1; and electrophysiological and behavioral experiments show that the health-care product has the function of improving learning memory.

The invention relates to a heterocyclic compound for treating Alzheimer disease and a preparation method thereof. The heterocyclic compound has a good effect of inhibiting the activity of acetyl cholinesterase; as proved by a behavioral experiment research of a senescence-accelerated mouse (SAM-P / 8), the heterocyclic compound can effectively improve the memory function of the SAM-P / 8 mouse, so that the heterocyclic compound can be used for treating cognitive dysfunction and / or neural degeneration dementia with abnormal protein aggregation, particularly the Alzheimer disease.

The invention relates to a light-independent magnetic-sensed behavioral experiment system, which is composed of a frame, a selection system, an illumination system and a coil system. The frame is made by synthetic glass and provides support for whole equipment. In the illumination system, light is emitted by a cold light source in a lamp cylinder, after filtering by different wave bands of optical filters, the required illumination condition can be promoted. Two completely same solenoid coils in the coil system are always in different magnetic field states. By adjusting current intensity and direction of the solenoid coils, the magnetic field condition required by experiment is generated. The experiment objects select behavior tendency under same illumination condition and different environment magnetic fields in a T-shaped pipe and an experiment pipe in the selection system.

The invention relates to a construction method and an application of a conditional ivermectin receptor (IVMR) transgenic mouse model, and belongs to the technical fields of conditional animal model construction method and application. Under the action of a Cre recombinase, all cells (especially cerebral neurons) of the mouse model can conditionally express the ivermectin receptor IVMR, and the excitability of the neurons expressing the ivermectin receptor IVMR can be down-regulated by applying a drug ivermectin (IVM). Compared with the prior art, the technical method (including a drug administration mode, and targetedly using a transgenic mouse for specific expression of Cre) does not has any brain damage on the mouse. Influence of the used drug ivermectin IVM on animals has a sufficiently long half-life period, and animal behavioral experiments are suitably carried out. In addition, the half-life period is relatively stable, the experiments can be again carried out after drug failure, and before-and-after comparison experiments are conveniently carried out on the same animal.