108results about How to "Reduce high pressure" patented technology

A method for protecting at least one gonad from a blood borne cytotoxic drug, the method comprising reducing blood flow to at least one gonad of a patient undergoing cytotoxic treatment for an occlusion time interval, and allowing blood flow to the at least one gonad to resume after the occlusion time interval. Optionally the method is performed to protect an ovary during chemotherapy treatment.

A process for puffing the culture medium of edible fungus, which is prepared from the twigs or the straw or stalk of agricultural crops includes such steps as pulverizing, proportionally mixing it with organic and inorganic auxiliaries, puffing and baking.

The invention discloses a high-efficiency vas refrigerating machine. The high-efficiency vas refrigerating machine comprises a compressor, a transmission tube, a heat regenerator hot end heat exchanger, a heat regenerator, a heat regenerator cold end heat exchanger, a decompression spray pipe, a cold end flow passage, a vas, a vas hot end heat exchanger, an inertia tube and an air reservoir which are connected in sequence. According to the different working temperature zones of the vas refrigerating machine (6K is taken as a limit), a tapered spray pipe (The refrigerating temperature is below 6K) or a gradually-expanding diffuser pipe (The refrigerating temperature is above 6K) is connected between the heat regenerator cold end heat exchanger and the vas to correspondingly reduce or improve the pressure of an expansion gas working medium at a cold end inlet of the vas, thereby increasing the constant-entropy expansion coefficients and finally improving the efficiency of the vas refrigerating machine.

The invention relates to a semiconductor device voltage-withstanding structure. The semiconductor device voltage-withstanding structure comprises a high-voltage interconnection area used for arranging a high-voltage interconnection line, and a metal layer, a dielectric layer, a field oxide layer and an area, apart from an active region, of a drift area are successively arranged below the high-voltage interconnection area. The semiconductor device voltage-withstanding structure further comprises a plurality of conductor field plates and a plurality of semi-insulating resistor filed plates, wherein the conductor field plates are disposed above the semi-insulating resistor filed plates, and the conductor field plates are disposed in the dielectric layer, all the semi-insulating resistor filed plates are adjacent to the field oxide layer, the conductor field plates and the semi-insulating resistor filed plates form a plurality of capacitors, and any one capacitor at least can transmit energy to another capacitor. The semiconductor device voltage-withstanding structure generally reduces high voltages borne by the surface of the drift area, improves breakdown voltages of a semiconductor device and enables the semiconductor device to work under higher voltages.

The invention provides an air conditioner control method and device, a storage medium and an air conditioner. The air conditioner control method comprises the steps that inner ring temperature and operation parameters of the air conditioner are detected; and according to the detected inner ring temperature and operation parameters of the air conditioner, an inner fan and / or an outer fan of the airconditioner are / is controlled to be started and stopped. According to the technical scheme, when an air conditioner unit operates in a severe environment, the effect of controlling and protecting theunit can be achieved in time by presetting protection parameters in the initial operation stage, the possibility of appearing of too high pressure or compressor overload protection during operation of the air conditioner is greatly reduced, and air conditioner operation reliability is improved.

The invention provides a sacculus expansion catheter for drug treatment, which comprises a catheter and a plurality of sacculus bodies fixed on the catheter. The catheter adopts a multi-cavity catheter and comprises a guide wire cavity penetrating through the whole catheter, a sacculus expansion cavity and a drug loading cavity used for accommodating drugs; the sacculus expansion catheter is provided with at least two sacculus bodies which can be separated in expansion to form a closed blood vessel cavity between a blood vessel wall, the sacculus expansion cavity is respectively communicated with one or more corresponding sacculus body / bodies, and the expansion and contraction of the sacculus bodies are controlled through the sacculus expansion cavity; and the parts of the catheter between adjacent sacculus bodies are provided with an opening communicated with the drug loading cavity so that the drugs can be dissolved in the closed blood vessel cavity. Drug losses of the traditional sacculus expansion catheter for drug treatment can be overcome, the drugs can be dissolved in the blood of a patient to treat the pathological area, the narrow area of the blood vessel can be expanded effectively, the high-pressure effects of external drugs on the pathological blood vessel wall can be reduced, and potential adverse effects of the external drugs on the human body can also be avoided.

The present disclosure relates to a method and a device for treating heart failure by normalizing elevated blood pressure in the left and right atria of a heart of a mammal. The present disclosure includes methods for creating and maintaining an opening in the atrial septum. Tools for making an opening and enlarging the opening are also disclosed. Use of the techniques and tools described herein prolongs the patency of an intra-atrial pressure relief opening.

The invention relates to a valve for a piston pump, wherein the valve (22) comprises a valve closure body (10) and a valve seat (26) disposed longitudinally facing to the valve closure body (10); the valve closure body (10) comprises a cylindrical guide section (12) and a hemispheric sealing section (14) longitudinally facing to the cylindrical guide section (10) and facing to the valve seat (26); the sealing section is used for selectively closing and opening a hole (30) enclosed by the valve seat (26); according to the invention, the sealing section (14) comprises at least one channel opening (16) which is located out of the hole (30) enclosed by the valve seat (26) under the state that the valve (22) is closed, and extended into a channel (18) in the valve closure body (10) substantially extending along a flow direction.

Provided are novel biocompatible copolymers and compositions comprising the copolymers. The copolymers are non-toxic and typically have an LCST below 37° C. Compositions comprising the copolymers can be used for wound treatment, as a cellular growth matrix or niche and for injection into cardiac tissue to repair and mechanically support damaged tissue. The copolymers comprise numerous ester linkages so that the copolymers are erodeable in situ. Degradation products of the copolymers are soluble and non-toxic. The copolymers can be amine-reactive so that they can conjugate with proteins, such as collagen. Active ingredients, such as drugs, can be incorporated into compositions comprising the copolymers.

The invention discloses a dehumidifier with an air volume regulation function. The dehumidifier comprises a compression vapor refrigeration cycle part, an air volume regulation part and a control part, wherein the compression vapor refrigeration cycle part is composed of a compressor, a condenser, an expansion valve and an evaporator circularly connected by a pipeline in sequence; the compression vapor refrigeration cycle part is filled with a refrigerant; the air volume regulation part comprises an air duct, an air door, an execution device for opening and closing the air door, and a fan; the control part comprises a temperature sensor and an integrated circuit board. The dehumidifier provided by the invention adopts an air volume regulation method to reduce the air volume flowing through the evaporator and increase the air volume flowing the condenser at high temperatures, so that an effect of reducing the degree of superheat and reducing the high pressure of a system is achieved, the reliability of the dehumidifier working in high temperature conditions is improved effectively, and the dehumidifier can dehumidify a dehumidifying space within a wider range of ambient temperatures.

The invention relates to the technical field of traditional Chinese medicines, and particularly discloses a medicinal composition for treating hypertension and an application thereof. The medicinal composition comprises the following components by weight: 80-200g of red-rooted salvia root extract, 50-120g of tall gastrodia tuber extract, 40-200g of eucommia ulmoides leaf extract, 100-500g of natural dispersing agent and 10-50g of natural suspending agent. Through synergistic effect among various Chinese medicinal extracts, the medicinal value of each extract is increased, the dose of each Chinese medicinal extract for achieving the same medicinal effect is reduced, and the defects of a large number of taking forms, large dosage, slow response, gastrointestinal tract discomfort and the like in the conventional oral antihypertensive Chinese medicinal composition are overcome. Meanwhile, a special production process is adopted, and pure natural extracts such as the dispersing agent are taken as medicinal adjuvants, so that the mouthfeel of the medicine is improved. Compared with other products of the same type, the medicinal composition has the advantages of no bitterness and convenience in taking, and the compliance of patients is improved.

The invention relates to a traditional Chinese medicine composition for treating liver diseases. The composition is prepared from the following main active ingredients in parts by weight: respective 50-70 parts of radix salviae miltiorrhizae, cortex moutan radicis, herba abri, radix paeoniae rubra, herba lysimachiae, herba taraxaci, radix sophorae tonkinensis, radix isatidis, fructus hordei germinatus, herba artemisiae scopariae, radix gentianae, radix ginseng, citri sarcodactylis fructus, radix rehmanniae preparata, poria, polyporus umbellatus, radix angelicae sinensis, radix notoginseng, radix bupleuri, fructus aurantii and rhizoma cyperi, as well as 70-90 parts of flos lonicerae, 70-90 parts of hypericum perforatum linn, 70-90 parts of rhizoma polygoni cuspidati, 70-90 parts of fructus gardeniae, 70-90 parts of indigo naturalis, 70-90 parts of rhizoma corydalis, 70-90 parts of rhizoma curcumae longae, 70-90 parts of rhizoma atractylodis macrocephalae, 70-90 parts of radix scrophulariae, 70-90 parts of radix astragali seu hedysari, 70-90 parts of rhizoma sparganii, 70-90 parts of green vitriol, 70-90 parts of rhizoma curcumae, 70-90 parts of alumen, 70-90 parts of sedum lineare, 70-90 parts of aloe, 70-90 parts of ganoderma, 70-90 parts of artificial bezoar, and 70-90 parts of cassia occidentalis. The composition can be used for treating liver cancer or liver cirrhosis, is reasonable in formula, and has the efficacies of clearing away heat and detoxifying, nourishing blood and regulating qi, breaking stagnation, strengthening spleen and nourishing liver, strengthening vital qi and eliminating pathogenic factor, strengthening tendons and bones, enhancing the liver function, and boosting the immunity, the adverse reactions of diseases can be eliminated, and the cancer tumors can be reduced in volume or disappear or be degeneratively changed.

The invention relates to the technical field of household appliances, in particular to an air conditioner control method. When an air conditioner is in a heating condition, at least part of refrigerants in a refrigerant circuit are extracted so that the extracted refrigerants cannot participate in work circulation. The invention further provides an air conditioner system device which is used for executing the air conditioner control method. The refrigerant circuit comprises an outdoor heat exchanger, a throttling device, a four-way reversing valve, an indoor heat exchanger and a compressor and further comprises a refrigerant liquid storage device which is used for extracting at least part of the refrigerants in the refrigerant circuit. Due to the fact that a refrigerant liquid storage tank is arranged at an outlet of the indoor heat exchanger in the heating flow direction of the system, redundant refrigerants in the heating condition are stored in the liquid storage tank, the heat exchange efficiency of the indoor heat exchanger in the heating condition is improved, the high pressure of the system is lowered, the power of the compressor is lowered, and finally the energy efficiency of the air conditioner system device is improved.

The invention discloses flattening equipment for zip-top can waste recycling and capable of cleaning away waste liquid and relates to the technical field of environment protection. The zip-top can flattening equipment comprises a machine body. Two hinges are hinged to the part, located at the left end of the machine body, of the top of the front face of the machine body. Object holding doors are hinged to the ends, away from the machine body, of the two hinges. A drying chamber is formed in the top end of the machine body. Dewatering devices are arranged in the drying chamber and on the top face of the machine body correspondingly. A transfer groove is formed in the part, located at the bottom of the drying chamber, of the bottom end of the machine body. According to the flattening equipment for zip-top can waste recycling and capable of cleaning away the waste liquid, through matched use of the dewatering devices, a discharge device, a return device, a flattening device and a conveying device, liquid in zip-top cans can be cleaned out conveniently, normal operation of the zip-top can flattening equipment is facilitated, meanwhile work efficiency of the machine body is further improved, and long-time use and practicability of the machine body are improved.

The invention discloses a refrigeration operating method of a multi-split air conditioner in high temperature environment. The refrigeration operating method includes the following specific steps: a, a refrigerant air pipe (2) with a bypass solenoid valve (1) is used to communicate a second valve port of a four-way reversing valve (3) and an input of a water flowing shell-and-coil heat exchanger (4), and a refrigerant liquid pipe (5) is used to communicate an output of the shell-and-coil heat exchanger (4) with an output of an outdoor heat exchanger (6); b, the bypass solenoid valve (1) is opened when the outdoor environment temperature is equal to or larger than 35 degrees centigrade or the number of started indoor units is more than 80 percent of the total number of the indoor units; c, the bypass solenoid valve (1) is closed when the outdoor environment temperature is reduced to be lower than 35 degrees centigrade or the number of the started indoor units is reduced to be no more than 50 percent of the total number of the indoor units. The refrigeration operating method can enhance the heat exchange effect and improve the energy efficiency.

The invention relates to the field of medicine, discloses an amnion contact lens, a preparation method and application and aims to solve problems that existing contact lenses are insufficient in drugloading capacity and organic solvents are prone to injuring the amnion and the cornea and causing cornea tissue scarring. The amnion contact lens comprises a contact lens body, the amnion, first water-water microdroplets and second water-water microdroplets. The first water-water microdroplets are arranged on the inner surface of an optical area of the contact lens body; the amnion is adhered on the inner surface of an optical area of the contact lens body through the first water-water microdroplets; the second water-water microdroplets are adhered to the inner surface of the amnion. Controlled-release medicines are wrapped in the second water-water microdroplets, and the contact lens has advantages of foldability, hydrophobicity and breathability.

The invention discloses a temperature control device for yielding water of a single-heat type heat pump water heater. A pipeline is connected with a heat storage water tank, a tee-joint proportioning valve, a heating water heat exchanger, a water pump and a yielding water constant temperature control module connected with the heat storage water tank, wherein the yielding water constant temperature control module is connected with an ambient temperature probe, and controls the switching on and off of the tee-joint proportioning valve; and an opening in the A-B direction of the tee-joint proportioning valve is communicated with a water inlet end, and an opening in the B-C direction is communicated with the heating water heat exchanger. In addition, the invention also discloses a temperature control method, the temperature of the heat storage water tank, the ambient and the heating water heat exchanger are subjected to sampling detection, and according to different ambient temperatures, different yielding water temperature values can be set, the switching on-off degree of the tee-joint proportioning valve is adjusted, the water feeding amount is adjusted by the temperature control regulating valve, so that the yielding water temperature of the heating water heat exchanger can reach the set value. The temperature control device can run with safety, stability and high efficiency, and meanwhile, the engineering installation is simple, the cost is low, and the supplied hot water is constant.

Said invention relates to improvement to signal transmission coaxial cable, featuring cable internal conductor outer physics sparkle insulating layer being secondary extruding composed double layer compound sparkle insulation. Due to adopting secondary physics sparkle extrusion laminating, said invention not only solves inside and outside cooling down misproportion problem and resulted fault of once extruded moulding of thick physics sparkle insulation, greatly raising radial and longitudinal sparkle hole uniformity without bunlla hole and cuniculus. For example the leakance RF coaxial cable sparkle degree can be raised to more than 78 per cent, reducing cable dielectric constant and dielectric loss tangent value, reducing cable transmission attenuation, voltage standing wave ratio less than 1.15 with fine product consistency. Said invented insulation physics sparkle forming method and mould is suitable for signal transmission coaxial cable sparkle insulation with greater than 10 mm sparkle insulation thickness.

The invention relates to a kitchen flume which comprises a pool and a water control pool provided with one corrugated portion inclined towards one water outlet, wherein the pool and the water control pool are surrounded by one edge. The upper side of the corrugated portion is provided with a distribution profile parallel with the edge at horizontal direction, therefore, the corrugated portion can support the guiding element on the edge, and the bottom of the corrugated portion is inclined relative to the edge, therefore, the outlet water can be discharged.

The invention relates to a medicinal liquid for treating cirrhosis and ascites, wherein the constituents include Bupleurum root, cyperus tuber, bitter orange, magnolia bark, root bark of tree peony, notoginseng, house lizard, radix paeoniae rubrathe, pangolin scales, turtle shell, tortoise shell, white atractylodes rhizome, haw, chicken's gizzard-skin, cogongrass rhizome, and oldenlandia. The Chinese medicinal herbs can be made into medical liquid through grilling.

A rotor assembly for a centrifugal pump includes a rotor and a rotor cover, defining a fluid chamber therebetween, and having openings or channels that are provided in either the rotor cover or the rotor, or both, to direct fluid from the fluid chamber into the rotor or rotor cover of the rotor assembly to provide reduction of increased pressure that is experienced within the fluid chamber, especially at or near the center of the fluid chamber.

The present invention relates to a Chinese medicine composition for effectively curing chronic hepatitis B with excellent therapeutic effect. Said Chinese medicine composition includes 19 Chinese medicinal materials of bupleurum root, ovate atractylodes root, smooth greenbrier root, peony root, salvia root, earthworm and others. Said invention also provides its preparation method and concrete steps.

A rotor assembly for a centrifugal pump includes a rotor and a rotor cover, defining a fluid chamber therebetween, and having openings or channels that are provided in either the rotor cover or the rotor, or both, to direct fluid from the fluid chamber into the rotor or rotor cover of the rotor assembly to provide reduction of increased pressure that is experienced within the fluid chamber, especially at or near the center of the fluid chamber.

The invention discloses an aluminum electrolytic capacitor with the function of preventing an electrolyte from being volatilized, and relates to the technical field of capacitors. The aluminum electrolytic capacitor comprises a shell, a rubber plug is inserted in an opening in the top of the shell, and fans are fixedly installed at both sides of the bottom of the rubber plug; coolers are fixedly connected to the middles of the inner side walls of the shell, grooves are formed in the top of the outer side of the shell, inner lining cylinders are fixedly installed between the inner bottom wall of the shell and the outer bottom walls of the grooves, and an explosion-proof valve step is fixedly installed on the inner bottom wall of the shell. By means of the aluminum electrolytic capacitor with the function of preventing the electrolyte from being volatilized, convenience can be provided for eliminating the phenomenon that the electrolyte is volatilized due to high temperature, flow of airflow in the shell is facilitated, and formation of thermal airflow circulation can be facilitated; high voltage inside the capacitor is lowered, convenience can be provided for achieving the functionof protecting a core inside the capacitor, internal damage due to vibration is avoided, the safety coefficient is high, and bad influences brought by heating can be reduced.

The invention relates to a miniature circuit breaker which comprises a shell. An instantaneous system, an operating mechanism, a time delay system and an arc quenching system are arranged in the shell. The arc quenching system comprises an arc angle, an arc striking sheet and an arc extinguish chamber. The arc extinguish chamber is communicated with a gas outlet. A gas buffer room communicated with the arc extinguish chamber is arranged in the shell. The gas buffer room is communicated with the gas outlet. The miniature circuit breaker has the beneficial effect that a gas pressure in the breaking process is reduced, so that an electric arc can more easily enter the arc extinguish chamber, and the circuit breaker has a function of rapidly extinguishing the electric arc.

The invention discloses a control method for the high temperature refrigeration of a multi-split air conditioner. The control method comprises the following steps: detecting the operation mode and the operation state of the multi-split air conditioner in a real-time manner; when the condition that the multi-split air conditioner refrigerates is detected, detecting whether the operation state of the multi-split air conditioner meets the first system default condition or not; and when the operation state of the multi-split air conditioner meets the first system default condition, adjusting the heat exchange state of external unit modules stopping operation and a system refrigerant, wherein compressors of the external unit modules stopping operation keep the stopping state. In the control method, condensers of the external unit modules stopping operation in an outdoor unit system of the multi-split air conditioner are in heat exchange with the system refrigerant, so that the heat exchange area between the system refrigerant and the outdoor unit system can be increased, the self refrigeration effect of the multi-split air conditioner is improved when the high pressure of the outdoor unit system is effectively reduced, and the applicability is high.

The invention belongs to the technical field of food processing. Purposes of the invention are to solve the following existing problems: utilization rate of the hibiseu smanihot is low; majority parts of the hibiseu smanihot are discarded as wastes; yields of the red dates are large but the sales are poor, so that the red-date farmers encounter serious problems of high yields but low incomes; and wastes of the acorns are large. The invention provides a red-date food base material containing hibiseu smanihot-acorn powder and edible paper packing boxes prepared thereby. The red-date food base material is prepared by mixing the following raw materials: red date powder, whole-plant hibiseu smanihot powder, bitter and astringent taste-removed acorn powder, fresh ginger juice and water. The edible paper packing boxes are prepared by the following steps: mixing the red-date food base material with astragalus root powder and a flavoring powder or vegetables, bean curd residues and a flavoring powder; and extruding the mixture into packing boxes. The mixture of the whole-plant hibiseu smanihot powder and the red date pieces in the base material is sticky, flexible and tough, so that the base material can be easily shaped by extrusion; the acorn powder and the bean curd residues contain starch and proteins, so that the acorn powder and the bean curd residues act as supports in the edible paper packing boxes; and the fresh ginger juice is added into the base material so as to play a certain role of pest control. The prepared packing boxes can be used to partially replace glass bottles, plastic bottles and drug outer-packages; moreover, the packing boxes can be eaten or used as animal feeds.