47results about How to "Stable internal environment" patented technology

The continuously perfused heart conservator includes container for heart and conserving liquid, membrane lung, perfusing pump, perfusing pipe, liquid intake pipe, liquid outlet pipe and sampling pipe. The liquid intake pipe has one end connected to the container and the other end to the membrane lung; the liquid outlet pipe has one end connected to the membrane and the other end connected to theperfusing pipe inside the container; the sampling pipe has one end connected to the membrane and the other end connected to the container; and the perfusing pump is installed in the liquid intake pipeline. Inside the conservator, one closed circulating system may be formed for extracorporeal heart to absorb oxygen and nutritive matter from the conserving liquid and to maintain stable myocardial inside environment. The present invention can raise the maintaining effect of extracorporeal heart.

The invention discloses an anti-raise specialistic floor and a production method thereof. The floor comprises a substrate (1), wherein a finish paint layer (2), a resin layer (3) and a primer layer (4) are sequentially laid above the substrate (1) from top to bottom; a back paint layer (5) is laid below the substrate (1); wood fiber conduits (6) of the substrate (1) are filled with resin (7); the substrate (1) is provided with a tongue-and-groove (8); and the surface of the tongue-and-groove (8) is laid with a wax layer (9). In the production process of the floor, a finished product is obtained through the production steps of: hacking, sanding, back paint coating, resin permeating, primer coating, resin retouching, finish paint coating, tongue-and-groove wax sealing, and the like. The product has excellent characteristics of preventing expansion, contraction and raising. The wood fiber conduits of various surfaces are effectively sealed, which can effectively prevent water from entering and draining to ensure that the floor per se has relatively stable internal environment so as to prevent the solid wood floor from raising, deforming and cracking.

The invention relates to a transportable therapeutic cartridge, a therapeutic agent robotic mixer and a method for providing therapeutic infusion services. The transportable therapeutic cartridge is configured to be used to manually mix therapeutic agents or to be coupled to a therapeutic agent robotic mixer, such that the robotic mixer can access therapeutic agents disposed in the cartridge and automatically mix therapeutic agents. The cartridge, mixer, and method provide therapeutic infusions in a just-in-time fashion, so as to minimize risk to patients and facility staff while maximizing the use and safety of the therapeutics.

The invention belongs to the technical field of coherent optical communication systems, and provides a coherent optical communication system based on a microcavity optical soliton crystal frequency comb for solving the problems of high laser cost, and poor consistency of local oscillator light and signal light frequency in the existing coherent optical communication system technology. According tothe coherent optical communication system provided by the invention, an optical soliton crystal frequency comb is used as a light source of the communication system at a transmitting end, dozens or more optical carriers can be generated at the same time, thereby reducing the demand for the narrow linewidth laser at the transmitting end of the coherent optical communication system, and compared with the traditional coherent optical communication system, the cost is greatly reduced; another optical soliton crystal frequency comb source is used for providing a local oscillator light signal for acoherent optical demodulator at a receiving end, and the two optical soliton crystal frequency comb sources in the system use the light signal emitted by the same laser as the pumping light, becausethe local oscillator light and the optical carrier signal have approximately the same frequency, so the consistency is good, the coherence is good, the emission wavelength of the laser does not need to be accurately controlled, and the performance requirements of the system for the laser is reduced.

The invention relates to a transportable therapeutic cartridge, a therapeutic agent robotic mixer and a method for providing therapeutic infusion services. The transportable therapeutic cartridge is configured to be used to manually mix therapeutic agents or to be coupled to a therapeutic agent robotic mixer, such that the robotic mixer can access therapeutic agents disposed in the cartridge. The cartridge, mixer, and method provide therapeutic infusions in a just-in-time fashion, so as to minimize risk to patients and facility staff while maximizing the use and safety of the therapeutics.

The invention relates to an automatic identification device for an animal two-dimensional code earmark, which comprises a rotary workbench carrying the earmark, a motor supporting the rotary workbench to rotate and a two-dimensional code reader fixedly arranged above the rotary workbench for identifying the earmark. The earmark which is cut can be placed on the rotary workbench by utilizing the device, then transmission, identification, reading and recovery of the earmark can be automatically completed by a cancellation machine, the operation is simple, and the workload can be reduced.

The invention relates to the field of bioengineering and particularly relates to a neural restoration promoting tube as well as a preparation method and application thereof. In order to overcome the problem of unsatisfactory neural functional recovery of current direct nerve suture operation, the invention provides a neural restoration promoting tube with a shape memory function. The neural restoration tube is prepared and formed by injecting a gelatin solution into a neural restoration tube mould; and the neural tube mould can be a neural restoration tube mould prepared by 3D printing. The neural restoration promoting tube has a shape memory function; and after being implanted into a body, the tube can recover to the original shape under the effect of water and automatically extends along the axial direction of nerves so as to better wrap and cover the periphery of the injured nerves and provide a stable microenvironment for the nerve growth. Moreover, the wounds of the nerves separated by operation can be greatly reduced, the wound recovery is facilitated, the functional recovery of the nerves is promoted, and the clinical application prospect is perfect.

The invention relates to a suspension type animal fixing device. According to the invention, an object carrying platform is made from flexible materials, ear notches are arranged at one side of the object carrying platform, hind limb notches are arranged at the other side of the object carrying platform relative to the ear notches, forelimb notches are arranged between the ear notches and the hind limb notches, bonding devices are respectively arranged at end parts of the object carrying platform close to the ear notches and the hind limb notches, and form an animal head accommodating chamber and an animal hip accommodating chamber when being folded, an excrement collecting device consists of an excrement collecting opening and an excrement collecting barrel, the excrement collecting opening is formed on the object carrying platform, and is positioned between the two hind limb notches and near to the back, the excrement collecting barrel is arranged on a base frame, and the excrement collecting opening is orthographically projected on the base frame. As the object carrying platform is made from the flexible materials, is soft in texture, and is fixed in a suspending manner, and moreover hollows are introduced, an animal cannot find leveraging points in the struggle, thereby getting a higher comfort level, so that panic degree of the animal is greatly lowered, internal environment of the animal per se tends to be stable, and therefore errors are reduced during a pharmaceutical experiment.

The invention discloses a dampness removing structure, a steam cooking device and a humidity control method. The dampness removing structure is used for the steam cooking device and comprises an air blocking module and a driving module; the air blocking module is arranged above the exterior of an exhaust port of the steam cooking device and used for adjusting the opening degree of the exhaust port, and the driving module is arranged on the steam cooking device; and the driving module is started to drive the air blocking module to move, the opening degree of the exhaust port is changed, and thegas discharge amount is adjusted. Accordingly, by arranging the dampness removing structure, the driving module is started to drive the air blocking module to change the opening degree of the exhaustport, then the gas discharge amount is adjusted, and the rapid dampness removing effect is achieved; and meanwhile, by obtaining the real-time oxygen concentration controllable range according to thereal-time temperature of an inner container, the preset humidity and the controllable humidity corresponding to the cooking mode, finally, whether humidification and / or dampness removing is conductedor not is determined according to the comparison relation between the real-time oxygen concentration and the real-time oxygen concentration controllable range, and the problem that humidity control is not precise due to real-time temperature change of the inner container is effectively avoided.

The present invention discloses a photoelectric detector with a two-dimensional transition metal sulfide film nanoscroll, which is made by the following steps: firstly depositing ammonium tetrathiomolybdate on a silicon / silica substrate by a bubbling method, then growing monolayer disulphide on the surface of the substrate by a thermal decomposition method, afterwards putting a drop of ethanol solution gently on one side of the disulphide film, resulting in spontaneous curling of the disulphide film to form the nanoscroll helix structure since volatilization of the ethanol solution produces atemperature gradient and a surface tension gradient at interface contact, finally depositing gold electrodes on both sides of the nanoscroll by a thermal evaporator and connecting the gold electrodesat both sides by the nanoscroll to obtain the photoelectric detector based on the two-dimensional transition metal sulfide film nanoscroll (TMDC-NSs) helix structure. The photoelectric detector of thepresent invention has short photoresponse time, fast recovery time, good stability, low cost and controllability, large-scale production and great application value.

The invention pertains to the field of therapeutic devices, which particularly relates to a music prescription quantification selective system basing on the power spectrum density eigenvalue. In order to provide psychological adjustment tools with deep potential, the technical proposal adopted by the invention is that: the music prescription quantification selective system basing on the power spectrum density eigenvalue comprises a power spectrum density analysis module , an establishing power spectrum density and frequency logarithm coordinates module, a curve fitting module, a music eigenvalue Beta value module, a collecting module to music document library, an output module carrying out music treatments in sequence, and also comprises a necessary music eigenvalue Beta value module obtained according to Beta equal to S-N, the necessary music eigenvalue Beta value module is output to the collecting module to music document library, S is the standard value in the most healthy state, and S is set as 1, and N is the present psychological health indicator of the curer. The music prescription quantification selective system is mainly used in personal psychotherapy and recuperation.

The invention relates to an aquacide soluble effervescent tablet and a preparation method thereof. The aquacide soluble effervescent tablet is prepared from the following ingredients in percentage bymass: 1 to 40 percent of aquacide, 10 to 30 percent of acid sources, 5 to 30 percent of gas generating sources, 1 to 8 percent of surfactants, 0.5 to 3 percent of bonding agents, 1 to 5 percent of flow aids and the balance of filling materials. The preparation method of the aquacide soluble effervescent tablet comprises the following steps of 1, preparing aquacide master batch; 2, tableting the aquacide soluble effervescent tablet. The aquacide soluble effervescent tablet provided by the invention belongs to novel environment-friendly pesticide; the blank of a herbicide product in the field isfilled; the production process is simple, convenient and reliable; the use is convenient; the aquacide soluble effervescent tablet can realize automatic disintegration and diffusion through being directly thrown in a paddy field; the aquacide soluble effervescent tablet can also be sprayed onto crop targets after the disintegration and diffusion through being put into a sprayer.

The application provides a strain of Lactobacillus plantarum LP4, the microorganism preservation number of which is CGMCC No.14533. The present application also provides a method for preparing the lyophilized powder of Lactobacillus plantarum LP4 and the lyophilized powder of Lactobacillus plantarum LP4 prepared by using the method. The Lactobacillus plantarum LP4 is coated, and a variety of protective agents are used in combination. In particular, after the first coating on the surface of the Lactobacillus plantarum LP4, a second coating is performed to make up for the coating that may exist in the first coating. Incomplete defects form at least a complete dense protective layer on the surface of the Lactobacillus plantarum LP4 cells, and form a microcapsule structure with the cells, thereby effectively separating the Lactobacillus plantarum LP4 cells from the outside world. The environment is isolated, and a stable internal environment is formed inside the microcapsule, so that the Lactobacillus plantarum LP4 can also maintain activity under normal temperature conditions.

The invention relates to a nerve sheathing canal as well as a preparation method and an application thereof. The nerve sheathing canal comprises a composite sheathing canal formed by an I-type collagen composite material and I-type collagen filled in pores of the composite sheathing canal. The method comprises the following steps: uniformly mixing an I-type collagen solution with a mineral material containing calcium ions to obtain an I-type collagen composite material solution; pouring the I-type collagen composite material solution into the cylindrical mold cavity and then freeze-drying, and obtaining a composite sheath tube; placing the composite sheathing canal in a negative pressure mold, and filling pores of the composite sheathing canal with an I-type collagen solution under the negative pressure condition; sequentially performing the freeze drying on the filled composite sheathing canal, then performing steps of crosslinking and elution, and preparing the nerve sheathing canal. The nerve sheath tube is simple in preparation process, has the advantages of being appropriate in mechanical strength, good in biocompatibility, convenient to degrade in vivo and the like, and is a convenient, safe and effective peripheral nerve repairing material.

The invention relates to the technical field of dryers, in particular to a continuous discharging device and continuous discharging method of a vacuum belt dryer. The continuous discharging device ofthe vacuum belt dryer comprises a storage barrel; a discharging bin is installed at one end of the storage barrel; a discharging port is arranged at the bottom of the discharging bin; a crushing device is installed at the bottom of the discharging bin; storage tanks are installed at the bottoms of the two ends of the crushing device; a pneumatic lifting device is installed at the bottom of each storage tank; the crushing device comprises a crushing bin; a crushing roller shaft is transversely installed in the crushing bin; the pneumatic lifting device comprises a bottom plate arranged at the bottom of the storage tank; air cylinders are installed at the positions of the top of the bottom plate located on the two sides of the storage tank; lifting rods are installed at the tops of the air cylinders; a top plate is installed at the tops of the lifting rods; and a discharging pipe is arranged in the middle of the top plate. The storage tanks of the continuous discharging device of the vacuum belt dryer can be convenient for continuous discharging in a vacuum state; and the discharging pipe at the top of the storage tank can be adjusted to ascend and descend, which is convenient for stable placing of the storage tank.

The invention relates to a capillary pipeline purging and drying system. The system comprises a first gas supply device and a drying device, wherein the first gas supply device comprises a gas supplyport and can supply purging gas with rated pressure to the outside through the gas supply port; the drying device comprises an input end and an output end, the input end communicates with the gas supply port of the first gas supply device through a first pipeline, and the drying device is used for receiving and drying the purging gas provided by the first gas supply device; and the output end canbe connected with an inlet of a capillary pipeline, so that the dried purging gas is conveyed into the capillary pipeline to realize purging and drying of the surface of an inner cavity of the capillary pipeline. According to the embodiment of the invention, the interior of the capillary pipeline with a very small pipe diameter can be quickly cleaned, the internal environment of the capillary pipeline tends to be stable after the capillary pipeline is dried and purged, the capillary pipeline can be repeatedly used, and requirements for the use and measurement precision of a nuclear-grade transmitter can be met; and according to the embodiment, the capillary pipeline does not need to be replaced frequently, the cost of capillary pipeline spare parts is saved, and the delay risk of the wholemaintenance and overhaul plan is reduced.

The invention discloses a lithium battery for a low-temperature zone. The battery comprises a shell, an inner core, a positive electrode and a negative electrode, wherein a plurality of damping springs are fixed to the inner wall of the shell, a control block is jointly fixed to the plurality of damping springs, a heating cavity and a heat storage cavity are formed in the control block, a heat transfer cavity is formed in the side wall of the shell, an air inlet pipe and an air outlet pipe are inserted into the inner wall of the heat storage cavity in a penetrating mode, and the air inlet pipeand the air outlet pipe are symmetrically arranged and communicated with the interior of the heat transfer cavity. The lithium battery has the advantages that the heating cavity is filled with a sodium acetate supersaturated solution, the sodium acetate supersaturated solution can be stimulated to start to separate out crystals after the battery is subjected to artificial oscillation in an initial working stage, and a large amount of heat can be released in the process, so that the interior of the battery is heated, the battery can overcome the external cold environment, and good discharge performance in the initial power supply stage of the battery is guaranteed.

The invention discloses a damp-removing structure, a steam cooking device and a humidity control method, wherein the damp-removing structure is used for the steam cooking device, and includes a gas-blocking module and a driving module; the gas-blocking module is arranged above the outside of the exhaust port of the steam cooking device , used to adjust the opening of the exhaust port, the driving module is arranged on the steam cooking device; the driving module starts to drive the movement of the air blocking module, changes the opening of the exhaust port, and adjusts the gas discharge. In the present invention, by setting the dehumidification structure, the driving module starts to drive the air-blocking module to change the opening of the exhaust port, thereby adjusting the gas discharge and realizing the effect of quick dehumidification; at the same time, according to the real-time temperature, preset humidity and cooking The controllable humidity corresponding to the mode obtains the real-time oxygen concentration controllable range, and finally determines whether to humidify and / or dehumidify according to the comparison between the real-time oxygen concentration and the real-time oxygen concentration controllable range, effectively avoiding the humidity control caused by the real-time temperature change of the inner tank imprecise problem.

The invention discloses a protective agent for carbendazim degrading bacteria, and a preparation method and an application thereof. The protective agent is composed of a stabilizer, a nutritious agent, a preservative and water. The stabilizer comprises the component of carboxymethylcellulose, the nutritious agent comprises the components of sodium citrate and calcium chloride, and the preservativecomprises the component of sodium benzoate. The protective agent can effectively solve the problems of low number of living bacteria, short preservation period, easy bacteria infection and the like of microbial agents, can effectively maintain the performance of the microbial agent, improves the survival rate of effective bacteria, prolongs the preservation life of the microbial agent, makes themicrobial agent preserved at normal temperature, and is not easily infected with bacteria; the preservation method has low cost and convenient use, and effectively reduces the costs of transportationand preservation, and further guarantees the practical application of the pesticide degradation microbial agent in pesticide degradation.

The invention provides a mechanical perfusion system. The mechanical perfusion system is characterized by comprising coatings prepared from graphene oxide and antimicrobial peptide; particularly, theperfusion system comprises an organ perfusate storage device and an organ storage device, the organ perfusate storage device and the organ storage device comprise graphene oxide and antimicrobial peptide, the graphene oxide and the antimicrobial peptide are prepared into the coating to coat the inner walls of the organ perfusate storage device and the organ storage device. The mechanical perfusionsystem can alleviate the postoperative infection phenomenon of organ transplantation, provide a stable internal environment for the organs and have good market prospects and high social public welfare value.

The invention provides an antibacterial heat conducting coating. The antibacterial heat conducting coating is characterized in that the antibacterial heat conducting coating comprises graphene oxide and antibacterial peptide, wherein the mass ratio of the graphene oxide to the antibacterial peptide is (1:25)-(1:75). The antibacterial heat conducting coating can reduce the postoperative infection phenomenon of organ transplantation, provide a stable internal environment for organs and have a good market prospect and a high value on social benefit.

The invention relates to the technical field of ring network boxes, and discloses a buried ring network intelligent box for urban construction. The buried ring network intelligent box comprises a box body and a ring network cabinet. The box body is buried in a pit under the ground, and the outermost layer of the pit is an original soil layer. The box body is arranged in the pit under the ground in a landfill mode, a dog-head stone foundation tamping layer is laid on the upper layer of the original soil layer at the bottom of the pit, a C20 reinforced concrete foundation is laid on the upper layer of the dog-head stone foundation tamping layer, and the box body is arranged on the top of the C20 reinforced concrete foundation in a matched mode, so that the box body is stabilized. Arc-shaped stainless steel plates are welded to the outer wall of the box body through an inside and outside full welding process, reinforcing ribs are welded in the box body, and epoxy asphalt paint is sprayed to the outer wall of the box body, so that the firmness degree, waterproof performance and anti-corrosion performance of the box body are improved. Through the buried ring network intelligent box, the ground can be greened and beautified, the land is saved, and the capital construction investment is saved.

A low-cost high-resolution active and passive single-pixel imaging optical-mechanical system comprises an imaging lens, a rotary table, a transmitting part, a receiving part and a data processing system. The imaging lens is a commercial astronomical telephoto lens; according to the emitting part, a laser device and an emitting light path are stably fixed to the front end of an imaging lens in the mode that a fixing ring and a fixing frame are matched, a laser beam passes through two 45-degree reflectors on the emitting light path, then is coaxial with the imaging lens and is emitted to a target, illumination is provided by laser during active imaging, illumination is provided by ambient light during passive imaging, and the imaging efficiency is improved. And closing the laser. And the receiving part is quickly mounted at the rear end of the imaging lens through threads on the interface nut. The problems that a customized high-resolution optical system is high in development cost, long in period and complex in system structure in single-pixel imaging, and the period and cost are additionally increased in functional development of pointing, focusing and the like are solved, a single-pixel imaging optical-mechanical system is assembled on a commercial large-aperture astronomical telescope, and the active-passive integrated imaging function is achieved.

A continuous perfusion heart preservation device, comprising a heart and a storage container for a storage solution, a membrane lung, a perfusion pump, a perfusion tube located in the heart and the storage container for a storage solution, a liquid inlet tube, a liquid outlet tube, and a sampling tube. One end of the liquid inlet pipe is connected with the heart and the preservation solution storage container, and the other end is connected with the membrane lung; one end of the liquid outlet pipe is connected with the membrane lung, and the other end is connected with the perfusion tube located in the heart and the preservation solution storage container; One end is connected with the membrane lung, and the other end is connected with the heart and the preservation solution storage container; the perfusion pump is installed in the pipeline formed by the liquid inlet tube. In this way, a closed circulatory system capable of gas exchange can be formed, so that the isolated heart (donor heart) can not only absorb oxygen and nutrients from the preservation solution, but also maintain the stability of the inner environment of the myocardium, which is beneficial to improve the isolated heart (donor heart). heart) preservation effect.

The invention discloses a circulating bioreactor for livestock and poultry breeding sewage treatment. The structure of the circulating bioreactor comprises an end cover, a gas collecting pipe, an outer frame and a reaction barrel; the end cover is mounted at the upper end of the gas collecting pipe; the gas collecting pipe extends into the reaction barrel; the outer frame is arranged on the surface of the reaction barrel; a discharging mechanism, a biological filler tank, a reaction cavity, a backwashing pipe and a sludge discharging opening are formed in the reaction barrel; the discharging mechanism is mounted at the upper end of the biological filler tank; the biological filler tank and the backwashing pipe are arranged in a reaction cavity; a discharging port and a feeding port are formed in the two opposite sides of a biological reaction tank respectively, the discharging port and the feeding port correspond to an upper cavity and a lower cavity respectively, the two cavities areseparated, and when materials are stored in the upper cavity, the lower cavity is still in a closed state, so that the internal sealing performance is constant during continuous feeding, and the stability of the internal environment is guaranteed.

The invention discloses a protective agent for acetamiprid-degrading bacteria and its preparation method and application. The protective agent is composed of a stabilizer, a nutrient, a preservative and water. The stabilizer is composed of dextrin, and the nutrient is composed of are sodium citrate and calcium chloride, and the preservative ingredient is sodium benzoate. The protective agent of the present invention can effectively solve the problems of low number of viable bacteria, short storage period, and easy-to-contaminate microbial bacterial agents; it can effectively maintain the performance of the microbial agents, improve the survival rate of effective bacteria, prolong the storage life of the microbial agents, and make the microorganisms The bacterial agent can be preserved at normal temperature, and it is not easily contaminated with bacteria. The preservation method is low in cost and convenient to use, effectively reducing the cost of transportation and storage, and further ensuring the practical application of the pesticide-degrading microbial bacterial agent in pesticide degradation.

The present invention discloses one kind of medicine composition for expanding blood volume and its preparation process. The medicine composition includes hydroxyethyl starch, sodium ion, potassium ion, magnesium ion, chlorine ion, and acetate radical or lactate radical ion. The medicine composition is used for preventing and treating hypovolemia and may be used in great dosage infusion without risk of hyperchloremic metabolic acidosis.