144results about How to "Appropriate temperature" patented technology

A surgical device includes a probe having a proximate end configured to connect to an ultrasonic driver assembly that generates ultrasonic vibrational energy, and a shaft for conducting the ultrasonic vibrational energy from the proximate end to a distal end. The device also includes a canula located at least partially over the distal end of the probe. A material is interposed between the probe and the canula for converting the ultrasonic vibrational energy into heat energy.

The invention discloses an engineering mechanical control system, comprising a manipulator, a signal generation pickup device and a proportional flow valve, wherein, the signal generation pickup device can generate control signals according to the adjustment range of the manipulator, and controls the flow rate of hydraulic oil passing through the proportional flow valve by the control signals; and the proportional flow valve can be connected in series between a hydraulic pump and a hydraulic actuating mechanism. The engineering mechanical control system also comprises a signal processing device and a controller, wherein, the signal processing device can generate rotating speed control signals; and the controller can control the output rotating speed of a power source according to the rotating speed control signals. Besides the control system, the invention also discloses engineering machinery and a control method thereof, wherein, the engineering mechanical control system and the engineering machinery with the control system can cause the output rotating speed of a power source driving a hydraulic pump to run to be matched with the required amount of high-pressure oil of the hydraulic system, and the energy consumption is reduced while the requirement of the driving force of the engineering machinery is satisfied.

A multi-cooling type PCM(Phase-Change Material) thermal storage system is provided to reduce heat loss through unnecessary heat exchange by employing insulating panels and maintain desired temperature of a storage container. A multi-cooling type PCM thermal storage system comprises a brine circulation heat exchange coil(10), an air circulation heat exchange tube(5), a circulating pump(9), and a blower(12). The brine circulation heat exchange coil is connected to the circulating pump and heat-exchanges with a low temperature latent heat PCM(11) stored in a thermal storage tank. The air circulation heat exchange tube heat-exchanges the low temperature latent heat PCM secondly. The circulating pump is installed in the upper part of the storage tank and circulates the brine, which is cooled by heat-exchange with the low temperature latent heat PCM, into the brine circulation heat exchange coil. The blower draws the internal air of the storage container, implements first and second heat-exchange with the brine circulation heat exchange coil and the air circulation heat exchange tube, and discharges the multi-cooled air into the storage container in order to maintain the required temperature.

The cooled bonded box includes one first space, which has bonded article and is forbidden to open, and one second space for setting cold accumulator to supply the bonded article with cold energy for long term preservation. Compared with heat insulating cabinet for preserving bonded article, the present invention has lowered transport cost and makes it possible for transport bonded articles in different temperature simultaneously. The cooled bonded box is provided also thermometer and timer for observing and monitoring the inside temperature.

A wine cupboard comprises a container for wines, heat protector keep the wine at an appropriate temperature, controller controlling the cupboard temperature, interval time determining when to turn off the temperature preserving device. The operation goes like this: setting the cupboard temperature based on the types of wine, storing or replacing wines in the cupboard, checking the cupboard temperature, calculating the preset temperature and the checked out one, driving the interval timer, and on and off of the heat preserving device. It can improve the storing and heating performance, keeping the wine at appropriate temperature, reducing unnecessary operation resulted from cooling and heating circulation of temperature change of the cupboard, maintaining the temperature for producing best flavor wines.

The mushroom powder is produced with filbert mushroom in 40 wt% and lactose in 60 wt%. The production process includes sorting and cleaning of filbert mushroom; thrice boiling leaching with water inside leaching tank to obtain leached solution; filtering the leached solution in a plate-frame filter to eliminate coarse fiber and other insoluble matter; concentrating the juice in vacuum concentrating machine at 65 deg.c to 20 Beaume deg; mixing the juice and lactose and pelletizing the mixture in a pelletizing machine; sterilizing the obtained pellet; and packing and sealing in a pellet packing machine. The mushroom powder is easy to take, easy to store and transport, and delicious.

The invention relates to the field of thermistors, and particularly relates to a positive-temperature-coefficient thermistor element core material and a preparation method thereof. The positive-temperature-coefficient thermistor element core material disclosed by the invention is prepared from the following raw material constituents: 41-54wt% of a polymer base material and 46-59 wt% of a conductive filler; the polymer base material is formed by mixing a graft polymer with a high melt flow rate with a graft polymer with a low melt flow rate; and the graft polymer is selected from one or the combination of more than two of graft polyolefin, graft polyolefin copolymer and graft polyolefin derivative, and the graft group of the graft polymer is a polar group. According to the invention, by using two types of maleic anhydride-grafted high-density polypropylene with different melt flow rates together, processing performance can be improved, room-temperature resistivity can be reduced and production efficiency can be increased; and the two types of maleic anhydride-grafted high-density polypropylene is prepared into an annular positive-temperature-coefficient thermistor element which is good in electrical performance, high in PTC (positive-temperature-coefficient) strength and the like.

The invention provides a hot-water brewing mechanism with low power and abundant water supply, comprising a boiler, a first pressure detector, a second pressure detector, a water-level probe, a water inlet unit and at least one water supply unit, wherein the first pressure detector, the second pressure detector and the water-level probe are arranged on the boiler body, the water inlet unit is connected to the boiler, and the at least one water supply unit is connected from the boiler; the boiler comprises the boiler body and a heater, the vapor pressure in the boiler body can be controlled within a stable range through the first pressure detector and the second pressure detector, and the boiler can be used for reserving preheated hot water for using in the abundant water use. As the hot water is not synchronously heated by utilizing a large-power heater, not only the electric power consumption at the peak time can be reduced, but also a great amount of water can be loaded. The invention also provides a hot-water brewing system with low power and abundant water supply, comprising the brewing mechanism and a control module.

The invention discloses a gold spraying solder without lead , the preparation method and application of the gold spraying solder. According to the weight, the components of the gold spraying solder are divided into the following: Cu: 0.01- 0.5, Ni: 0.001-0.5, P: 0.001-0.1,Er: 0.001-0.5, In:0.001 -0.5, Bi: 0.075-5, Sb:0.01-2.5,Sn: 49-71, and the rest is Zn whose shares can be added with others to 100 shares. The invention has good anti-oxidation property, good wettability and high mechanical intensity, and the creep resistance and the electrical properties are better than that of lead motogo element gold spraying solder and that of products alike.

The invention discloses a wine cabinet and an operation method of the wine cabinet. The wine cabinet and the operation method of the wine cabinet comprise a cabinet body used for storing and collecting wine, a temperature keeping system for keeping a proper temperature of wine in the cabinet body, a control system which controls the temperature in the wine cabinet through the temperature keeping system and a timing device which stops operation of the temperature keeping system in a set time according to selection operation of the control system. The wine cabinet and the operation method of the wine cabinet are simple in structure, simple and convenient to operate and capable of keeping the wine in a proper condition so that quality of the wine is good.

An oven for grilling food, is provided with: an outer shell (2), consisting of walls defining an internal volume, including a transparent portion (3); at least one door (4). The volume is subdivided into a zone (5) for heat production by heating elements and a cooking zone (6) including at least one grill (7) on which the food is placed. The at least one door (4) is associated with the at least one grill (7), which is slidingly supported inside the outer shell (2) and includes a bulkhead (8), opposite the door (4) with respect to the grill (7), arranged for closing the cooking zone (6) when the grill is fully extracted from the oven.

The invention provides a refrigerator including: a main body having a storage chamber; a door for opening and closing the storage chamber; a thermoelectric module for cooling the storage chamber; an outside temperature sensor for detecting an outside temperature; a storage chamber temperature sensor for detecting the storage chamber temperature; and a control unit for applying a voltage within a range between the maximum voltage and the minimum voltage to the thermoelectric module. The control unit applies the set voltage, not the maximum voltage, to the thermoelectric module when the outsidetemperature is the uppermost outside temperature range among the plurality of outside temperature ranges and thus there is an advantage that the temperature of the control is lowered unit and power consumption is reduced.

The invention provides a double-cylinder pumping device hydraulic oil displacement control method, and further provides a double-cylinder pumping device and pumping equipment. According to the double-cylinder pumping device hydraulic oil displacement control method, from the moment a piston of a first main hydraulic cylinder or a piston of a second main hydraulic cylinder moves and reaches a predetermined position, a cavity with a rod and a cavity without a rod of the first main hydraulic cylinder and a cavity with a rod and a cavity without a rod of the second main hydraulic cylinder are respectively communicated for a first lasting time t1; from the predetermined position, each cavity with a rod and a corresponding cavity without a rod are divided for a second lasting time t3, and therefore hydraulic oil inside communicated cavities is displaced during the time interval which is the difference of the second lasting time t3 and the first lasting time t1. When oil displacement operations are conducted according to an oil displacement mode in the stretching and drawing process of the first main hydraulic cylinder and the stretching and drawing process of the second main hydraulic cylinder, the temperature of the hydraulic oil in the communicated cavities is detected, the first lasting time t1 and / or the second lasting time t3 is adjusted to change the span of the time interval, and therefore requirements for temperatures of working conditions are met. Oil displacement operations in the communicated cavities of the double-cylinder pumping device can be controlled in a relatively optimized mode through the double-cylinder pumping device hydraulic oil displacement control method, the double-cylinder pumping device and the equipment, and therefore the energy saving effect is achieved.

The invention provides a method for synthesizing an alpha-hydroxy amide compound. The method specifically comprises the following steps: (1) mixing amide, an alkali and dimethyl sulfoxide, sealing in an air atmosphere, and reacting; (2) cooling to room temperature after the reaction is ended, adding saturated salt water for washing, extracting for 3-5 times by using ethyl acetate, merging an organic layer, drying through anhydrous sodium sulfate, performing vacuum concentration, and obtaining a crude product; and (3) purifying the crude product through chromatographic separation, and obtaining the needed alpha-hydroxy amide compound. Compared with the prior art, the method is performed in a simple potassium hydroxide/dimethyl sulfoxide system, and a complex or expensive catalyst is avoided; the raw materials are easily prepared; the temperature is proper, and the operation is easily controlled; a target product is directly obtained in one step by taking air as a green oxidant; the reaction is high-efficiency, the yield is 98 percent, and industrial production is promoted.

The invention provides a greenhouse without the need for a heating facility. The greenhouse comprises a wall body built on a foundation, a support arranged above the wall body and a transparent film laid on the support. The height of the shady side wall body is higher than that of the sunny side. The wall body is formed by a concrete base and thermal insulation layers, wherein the thermal insulation layers are arranged on the concrete base, and at least one side of each thermal insulation layer is formed by connecting expandable polystyrene (EPS) modules. The inner side of the shady side wall body is provided with a circulating water tank. A concrete base of the circulating water tank and the concrete base of the shady side wall body are connected together. The inner side and the outer side of the concrete base of the circulating water tank and the bottom of the circulating water tank are provided with insulation layers formed by connecting the EPS modules. The upper portion of the circulating water tank is provided with a circulating water pump, an outlet of the circulating water pump is connected with a spray nozzle and a soil heating pipe through a pipeline. The soil heating pipe is distributed in the soil inside the greenhouse. The greenhouse can ensure the temperature inside the greenhouse to be suitable for the growth environment of crops under the conditions of no need for heating devices, the thermal insulation effect is good, and the construction cost and operation cost are low.

The invention provides an excretion treatment device which can treat excretion of a person needing to be taken care of without discomfort. Besides, the burden of a nurse can be relieved, the device is small and noise is low. According to the excretion treatment device, cleaning water conveyed from a water conveying pump (39) of a water supply unit (25) is ejected into a diaper cup body (10) to clean urinary organs and excretion, dirt is sucked through work air of a suction motor (31), the excretion and the cleaning water are separated and stored, and only the work air is purified and is fed back to the diaper cup body (10) through a suction circulating pipe (50) for circulation. In the excretion treatment device, the suction circulating pipe (50) is guided to a cooling unit (55) outside an equipment storage box (12) from the exhaust side of the suction motor (31), the suction circulating pipe (50) in the cooling unit (55) exchanges heat with outside air so as to be cooled, and then the suction circulating pipe (50) is returned into a return box unit (27).

A longitudinal heat dissipation ceramic block built-in print circuit board and a circuit assembly provided with that circuit board, wherein the circuit assembly comprise: a printed circuit board built-in longitudinal heat dissipation ceramic block and a plurality of circuit elements; the printed circuit board further comprises a dielectric material lay and forms at least one through hole; At leastone correspond heat dissipation ceramic block embedded in that through hole; At least one fixing portion for fixing the heat dissipation ceramic block in the through hole; A metal circuit lay disposed on that upper surface of the dielectric material lay and the heat dissipation ceramic block and a high heat conduction layer disposed on the lower surface of the ceramic block. The invention can adjust the position and size of the heat dissipation ceramic block according to the need, so as to achieve the purpose of adapting to the complex circuit design, exerting good heat conduction effect andcontrolling the heat energy conduction path, and reducing the manufacturing cost.

The invention belongs to the technical field of tableware, and relates to a hotpot basin with a step for containing cooked food to be eaten, in particular to a food cooking pot for hotpot, wherein the food cooking pot for hotpot is also called as the hotpot basin. The hotpot basin comprises a body of a basin body container, and the basin body container is provided with a peripheral basin body side wall. The hotpot basin is characterized in that the portion, close to the upper opening, of the peripheral basin body side wall of the basin body container is provided with the step, and the step is provided with a step bottom face and a step side wall; the width D of the step bottom face ranges from 2 centimeters to 10 centimeters; the height of the step side wall ranges from 1 centimeter to 5 centimeters. The hotpot basin has the advantages that the step bottom face of the step is used for temporarily containing the cooked food picked up from the hotpot basin body, the step serving as the upper portion of the hotpot basin not only decreases the temperature of the food but also keeps the food warm, soup bases are removed, and the step plays a transition role between the hotpot basin body and bowls for eating.

The invention provides a multifunctional teacup and belongs to the technical field of articles of everyday use. The multifunctional teacup solves the technical problems that according to existing teacups, carrying is not convenient and tea can not be made conveniently. The multifunctional teacup comprises an upper cup body, an intermediate lid and a vacuum cup body which has the heat preservation function, wherein the upper cup body, the intermediate lid and the vacuum cup body are combined in a stacked mode in sequence from top to bottom, the bottom of the upper cup body is fixed to the upper end of the intermediate lid, the lower end of the intermediate lid is detachably fixed to the upper end of the vacuum cup body, the upper end of the upper cup body is provided with a first cup rim, the upper end of the upper cup body is further provided with an upper cup lid which can seal the first cup rim, the upper end of the vacuum cup body is provided with a second cup rim, an inner plug which can seal the second cup rim is detachably connected to the upper end of the vacuum cup body, and the volume of the vacuum cup body is larger than the volume of the upper cup body. According to the multifunctional teacup, due to the fact that the vacuum cup body having the heat preservation function and the upper cup body which can be used for making tea and does not have the heat preservation function are arranged and are fixed into a whole organically through the intermediate lid, the portability of tea making tools is improved.

The invention relates to a bacteria-immobilized hollow fiber polysulfone film for degradation of high concentration tetrachlorphenoxide, and a preparation method thereof. The film has an asymmetric three-layer structure, and is divided into an outer surface layer, a middle support layer and an inner surface later from the outer to the inner, wherein active carbon particles are uniformly distributed in each layer, the particle size is less than or equal to 10 mum, the specific surface area is 1104 m<2>/g, the dead volume is 0.92 cm<3>/g, the continuous phase of the film is transparent bisphenol A type polysulfone, the molecular weight is 100000-116500, and Pseudomonas aeruginosa is fixed in the surface of the film and the middle layer. After microbial immobilization is performed, the bacteria provide increased tolerance limitation for the high concentration toxic substrates so as to continuously grow. The degradation of the high concentration matrix by the immobilized bacteria mainly depends on protective effects on the bacteria by the hollow fiber film, such that the bacteria can grow so as to degrade the matrix.