42 results about "Homeothermy" patented technology

The invention discloses a multifunctional closed small animal feeding experiment system, which relates to the field of small animal feeding. The system includes a fully automatic manure removal device (20), a constant temperature and humidity environment control device (30), a quantitative ventilation device (40), a breeding environment and a small animal sign detection device (50) installed in the breeding box (10). ), an automatic lifting feeding and drinking device (60) and a computer (70) arranged outside the breeding box (10); a fully automatic manure removal device (20), a constant temperature and humidity environment control device (30), and a quantitative ventilation device (40), the breeding environment and small animal sign detection device (50) and the automatic lifting feeding and drinking device (60) are respectively connected with the computer (70). The invention adopts closed breeding, is isolated from the external environment, and is convenient for variable control; uses computer control, greatly reduces labor intensity, and the collected data is accurate and reliable; it is mainly used for scientific research of small animal feeding experiments.

The invention relates to a press roll for pressing a secondary battery electrode and a producing process thereof, belonging to the technical field of mechanical manufacture and electrochemical power sources. The producing process of the press roll used for pressing the secondary battery electrode comprises the following steps of: performing a molding process on raw materials, namely rare earth alloy containing carbon, molybdenum, chromium, nickel, tungsten, silicon, manganese and lanthanum series and ferrous electroslag remelting steel ingots; heating and then forging and pressing to form a press roll blank by using a hydraulic press; performing balling heat treatment, performing furnace cooling, then raising the temperature, performing homeothermy to constant temperature; and finally performing postprocessing. In the invention, an ultradeep quenching treatment method is adopted, the treatment depth ranges from 10mm to 15mm below the surface of the press roll, thereby the hardness of the press roll is increased, the strength is improved, and high-precision electrode pressing is ensured; and the press roll produced by using the method has the advantages of high hardness, high strength and good wear resistance, can be widely applied to various precision presses, saves use cost, improves product quality and increases production efficiency.

The invention belongs to the technical field of animal disease model preparation, and relates to a device for preparing an irritability gastric mucosal lesion animal model. The device mainly consists of a constant-temperature water bath kettle, a mouse cage lifter, a mouse cage, a heating rod, a temperature sensor, a control circuit, a control circuit working power supply, a heating rod power supply switch and a heating rod power supply, wherein a water tank is arranged in the shell of the water bath kettle; the mouse cage lifter, the heating rod and the temperature sensor are also installed in the shell of the water bath kettle; one side of the shell of the water bath kettle is provided with an electrical cabinet; the control circuit, the control circuit working power supply, the heating rod power supply switch and the heating rod power supply switch are all arranged in the electrical cabinet. A use result indicates that the device has the advantages of simple structure, convenience in use, good effect and reasonable construction, the experiment animal water spreading depth can be flexibly controlled, the molding success rate is improved, the stability degree in the experiment animal molding process can be strictly controlled, and the molding difference caused by an external factor is reduced.

The purpose of the present invention is to provide a stable, repeatable, and easy-to-operate silicone low-temperature modeling animal experiment device. The device uses a convex animal experiment platform made of stainless steel, and the table can be selected according to the size of the animal. Table top constant temperature function and fixed position of animal limbs. Animal low-temperature modeling tools use soft silicone low-temperature heating sheets combined with portable elastic bandages, and the silicone low-temperature heating sheets are attached to the animal epidermis to create clinical low-temperature injury models. The device is accurate and reliable for making low temperature models of animals. It can be automatically controlled by digital display after setting the temperature and time. It does not need to damage the skin of the animal and can be operated on any skin part of the animal. It is convenient to make low temperature models of different areas and depths.

This application discloses a constant temperature infusion pump for endocrine in the technical field of medical devices, which includes a peristaltic device and an infusion tube. The peristaltic device includes a pump piece set and a carrier for carrying the infusion tube. The pump piece set includes multiple extrusion pump pieces. The peristaltic device is equipped with a limit heating device. The limit heating device includes a limit pump piece and a plurality of extrusion chambers. The bottom of the limit pump piece is a plane parallel to the bearing part, and the limit pump piece and the extrusion pump piece are arranged at intervals , the extrusion pump sheet is provided with an arc surface for accommodating the infusion tube, the extrusion cavity is located at the lower part of the infusion tube and embedded in the carrier; the extrusion cavity is opposite to the position of the extrusion pump sheet, and the extrusion cavity includes a heating A chamber, a spring, a U-shaped groove, and an extruding piston sheet slidably connected with the U-shaped groove. This scheme avoids the bending of the infusion tube caused by the extrusion of the pump plate group through the setting of the extrusion pump piece, the extrusion chamber and the limit pump piece, and at the same time compresses the gas to do work so that the heating chamber can heat the infusion tube.

The invention relates to an induction preheating process for cast iron liners of aluminum cylinder bodies of a four-cylinder engine, which is characterized in that the preheating process for the liners is as follows: when a button is started, an inductor is dislodged and is vertically went down quickly at a preset speed of 1200mm / min into inner bores of the liners; when the lower end faces of four effective rings are 10mm over the lower end face of the liners, the inductor stops going down, carries out heating with the preset power of 88kW and delaying for 9.5 seconds; after the statically heating and delaying are finished, the inductor goes up at a preset speed of 300mm / min and carries out continuous scanning and heating; when the upper end faces of the four effective rings are 10mm over the upper end face of the liners, the inductor stops going up, carries out heating with the preset power of 88kW and delaying for 7 seconds; after the statically heating and delaying are finished, the inductor goes down at a preset speed of 1200mm / min into the inner bores of the liners to repeat the above preheating process again; and after twice cycle preheating processes are finished, the inductor goes up quickly at the speed of 1200mm / min to be away from the liners and back to the place. According to the invention, the distribution of axial temperature of the liners is uniform; and the external diameters of the four effective rings can be regulated simultaneously to enable the heating efficiency of the liners to be consistent, the cylinders are heated in a reciprocating heating mode, the heating and the diffusing homeothermy are carried out at the same time, the heating time is shortened, and the production efficiency is improved.

The invention relates to a thermostatic apparatus, which belongs to the field of power battery, automatic homeothermy as well as energy conservation and environmental protection. The invention discloses a thermostatic apparatus for a multicycle power battery, and the thermostatic apparatus comprises minor cycle components and an energy-stored solution warehouse. the minor cycle components comprise a solution warehouse with an ideal temperature, a heating temperature-sensitive warehouse and a master control circuit board; the heating temperature-sensitive warehouse comprises a heating device and a temperature-sensitive apparatus; the power battery is fixed on the solution warehouse with the ideal temperature; the energy stored solution warehouse is communicated with the solution warehouse with the ideal temperature by a temperature-sensitive automatic control valve. According to the invention, the operating temperature of the power battery can be controlled in the ideal operating temperature range, energy storing and releasing can be performed by using waste heat energy, therefore the power battery in an ideal work state for long-term can be achieved, the capacity can be maintainedand the life can be prolonged. The thermostatic apparatus has the advantages of simple composition, repeated cycle usage without limited frequency, energy conservation and environmental protection, high charging efficiency, safety and reliability, convenient usage and wide usage scope, and is capable of reducing the usage cost of the power battery, thereby the economic benefit is obvious.

The invention discloses a medical constant temperature blood mixer, which comprises a mixer body with a mixing cavity inside the upper end surface, and is characterized in that: the left and right side walls of the mixing cavity are symmetrically provided with a No. 1 chute, the left and right A lifting base is slidably installed between the No. 1 chute on both sides, and a rotating cavity is provided in the lifting base, and a rotating wheel that can rotate in the lifting base is provided in the rotating cavity. During the rotation of the rotating wheel, its left and right ends can swing up and down, which is a novel matching method, so that the blood in the test tube can be mixed more evenly. In addition, the temperature of the mixing chamber is adjusted by the refrigeration device to avoid the blood from being affected by the external temperature. It ensures that the assay or detection is more accurate and scientific.

The invention discloses an anatomy platform for an animal model used by researchers in the field of necessary equipment for animal experiment research, in order to solve the defects in the prior art that the plate body cannot be heated and it is difficult to meet the constant temperature experiment conditions. In order to achieve the above purpose, the present invention The technical scheme of the invention is as follows: it includes a rectangular dissection table with a rectangular cross section, and a constant temperature heating device is provided under the dissection table; The other end of the sensor is connected to a converter that converts digital signals into electrical signals. The constant temperature numerical control device is electrically connected to the converter. The surface of the constant temperature numerical control device has a display screen, and the bottom of the display screen is provided with temperature adjustment buttons and Switch: Compared with the prior art using the clamping device, this technical solution uses a constant temperature device to control the temperature of the dissection table, which is convenient for maintaining the normal physiological temperature of the animal model and improving the verification effect of the model.

The embodiment of the invention discloses a modeling method for an animal model of migraine due to wind-heat syndrome. Swimming at normal temperature is designed to cause animal fatigue; hot air is blown in a constant temperature climate box to simulate the external wind-heat environment; and nitroglycerin is injected on the back of the neck to induce migraine-like Pathological state. In this way, an animal model of wind-heat syndrome migraine was obtained and evaluated. The results show that this method can successfully reproduce the animal model of wind-heat syndrome migraine, and the replication method has good stability and repeatability, which is in line with the guidance of the theory of traditional Chinese medicine. The present invention also relates to the animal model obtained by the modeling method.

The invention relates to a harmless treatment process of negative pressure dehydration and dehydration of dead animals. Aiming at the chemical production and dehydration links in the harmless treatment of dead animals, negative pressure low-temperature evaporation and vapor compression recycling technology are used to store materials at constant temperature and constant temperature. The chemical production operation is carried out under pressure; then the evaporation and dehydration is carried out under negative pressure, and the secondary steam generated by dehydration is reused as a heat source. Low-temperature dehydration is realized to avoid the evaporation of low-boiling oil with water. At the same time, the secondary vapor generated by dehydration is compressed by a steam compressor and recycled as a heat source to save energy. At the same time, the emission of waste gas mainly composed of water vapor is reduced by more than 95%.

The invention discloses an animal source food residual medicine detection method, which comprises the following steps of performing pretreatment on a sample by a QuEChERS method; performing gas chromatgraphy-mass spectrometry combined use detection, wherein according to the method of performing pretreatment on the sample by the QuEChERS method, a test sample is weighed and is put into a centrifugal pipe; ethyl acetate is added; vortex uniform mixing and centrifugation are performed; an organic layer is transferred into another centrifugal pipe; then, a ethyl acetate and ceramic homogeneous proton is added; manual oscillation and centrifugation are performed; supernates in the two times are merged; constant-temperature nitrogen blowing concentration is performed until the materials are nearly dry; acetonitrile is added for re-dissolution; vortex uniform mixing is performed; a QuEChERS purifying agent is added; vortex uniform mixing is performed; the materials pass through a filtering film and wait for machine entering testing. The method has the characteristics that the use operation is simple; the time consumption is short; the sensitivity is high; the repeatability is good. The method is suitable for large-scale application.