386results about How to "Less likely to leak" patented technology

The invention discloses a dry-hanging curtain wall for thermal insulation and decoration and an installation technique thereof, which essentially comprises a 'duplex F' shape installation hanging part; the radial frameworks and the zonal frameworks of the 'duplex F' shape installation hanging part are vertically arranged; a first layer of the radial frameworks with two or more than two layers is level to the zonal frameworks and the radial framework at the last layer is at a certain distance from the tail end of the zonal framework; the width and thickness of the radial frameworks at every layer can be equal or not. Insulation boards can be fixed in a point-typed installation and location method by the installation hanging part, thus overcoming the defects of the prior art, providing an installation technique of the thermal insulation and decoration curtain wall without installing the horizontal and the vertical joist, simplifying the installation procedure, saving the installation raw materials and cost and overcoming the defect that the rain leakage is easy to happen in the splicing seam of the insulation board adopting the traditional method.

This invention provides a high heat transfer performance liquid nano-metal. It relates to cooling fluid working medium, and especially it can be used under high rush density condition which need high intensity cooling fluid working medium for heat exchanging and cooling, such as computer array and reactor. The solvent of this invention is liquid metal, and the soluble of this invention is nanometer particle. This invention solve the problem of high price of present metal liquid cooling working medium and the limited performance of common metal liquid, leaking out easily taken place using common liquid and easy forming sediment of present nanometer cooling agent.

The invention provides a combined air-conditioning system, comprising a room air-conditioning system and a machine room air-conditioning system connected with the room air-conditioning system. A heat transferring medium in the room air-conditioning system can perform heat exchange with a heat transferring medium in the machine room air-conditioning system. A control device controls on-off of a bypass-valve, a main valve body, and an auxiliary valve body according to operating mode of the room air-conditioning system, so as to change flowing paths of the heat transferring medium in the air-conditioning system. Thus, on the basis of ensuring stable operation of the machine room air-conditioning system, the room air-conditioning system can fully recycle and use heat exhausted by the machine room air-conditioning system in an operation process, preventing conditions in the prior art that an outdoor heat exchanger frosts and heating efficiency is low caused by using outdoor environment temperature. A liquid pump, an evaporator, and a heat exchange reservoir form a cold-carrying circulation loop, and reliability of long distance heat transport of the machine room air-conditioning system is improved.

The invention discloses a tramadol multivesicular liposome and a preparation method thereof. The preparation method comprises the following steps of: 1, dissolving phospholipids, cholesterol and neutral lipids into organic solvents to obtain a mixture which serves as an organic phase; 2, preparing 10 to 500mmol/L tramadol solution which serves as an internal water phase; 3, adding the internal water phase with the same volume as that of an organic phase into the organic phase, and mixing and emulsifying the mixture to obtain water-in-oil primary emulsion; 4, preparing an external water phase containing amino acid and osmotic modulators and/or surfactants, and adding the external water phase of which the volume is 2 to 10 times that of the water-in-oil primary emulsion into the water-in-oil primary emulsion, stirring the mixture to form oil-in-water type double emulsion; 5, adding the emulsion into the solution of the amino acid, introducing nitrogen or carbon dioxide into the mixed solution to remove the organic solvent from the emulsion to obtain suspension; 6, dissolving the suspension into the solution of amino acid, centrifuging and taking lower liposome suspension to obtain the tramadol multivesicular liposome. The prepared tramadol multivesicular liposome has the advantages of higher encapsulation efficiency, good slow release effect, and longer analgesic effect.

The invention relates to a parallel-flow heat exchanger and a fabrication method thereof. The parallel-flow heat exchanger comprises collecting pipes, a plurality of flat pipes arranged between the collecting pipes, and fins arranged between adjacent flat pipes. One end of a refrigerant pipe is connected with the collecting pipes in which flow equalization boards provided with flow equalization holes are arranged; a clapboard fixing groove is arranged on the collecting pipes; a fixed clapboard passes through the clapboard fixing groove; and a first crimping face of the fixed clapboard is crimped on the flow equalization boards. The clapboard fixing groove comprises a side wall and a stopping face; the fixed clapboard comprises a clapboard main body; a sealing lug boss matching with the surfaces of the collecting pipes is arranged on the clapboard main body; the sealing lug boss is in tight contact with the side wall and the stopping face; and the thickness L of the sealing lug boss is equal to the width of the clapboard fixing groove. The fixed clapboard further comprises a clapboard inner side which matches with the inner walls of the collecting pipes. The parallel-flow heat exchanger is simple and reasonable in structure, flexible in operation, low in fabrication cost, firm in connection, small in gap, little in leakage, good in stability and board in application range.

The invention relates to a combined cooling and power system and a refrigeration, power generation and combined cooling and power method based on the combined cooling and power system. According to the combined cooling and power system and the refrigeration, power generation and combined cooling and power method based on the combined cooling and power system, a low-grade heat source which cannot be effectively recycled in the industrial production process is used as a heat source, and power generation is achieved by heating non-azeotropic point mixing working media; in a refrigerating system, water is used as an absorbing agent, ammonia is used as a refrigerant, the refrigerant is absorbed by the absorbing agent under the low-temperature and low-pressure condition by means of the characteristic that the refrigerant has different solubilities in a solution at different temperatures, the refrigerant is evaporated from the solution under the high-temperature and high-pressure condition, and thus the purpose of circulating refrigeration is achieved. By adjusting the electric energy production and the refrigeration output, the adaptability of the combined cooling and power system to variable working conditions is improved, various actual production requirements are met, and the combined cooling and power system can be in a power generation mode, a refrigeration mode, a combined cooling and power mode and a combined cooling and power variable-working-condition mode. Adjustment of the electric energy production and the refrigeration output under different working condition requirements is achieved.

The invention discloses a method for packaging a glass-silicon wafer-grade chiponboard (COB) of a light emitting diode (LED). The method comprises the following steps: 1, etching a silicon micro slot array with the micro slots communicated with each other through micro channels, and placing a proper amount of heat outgas agent in the micro slots; 2, performing anodic bonding on the Si wafer with patterns and the heat outgas agent and borosilicate glass wafer in air or in vacuum to form a sealed cavity; 3, heating and preserving heat to form a spherical glass micro cavity, cooling the cavity to normal temperature, annealing and removing silicon to obtain a wafer-grade glass micro cavity; 4, preparing a lead substrate; 5, mounting a chip and leading a wire; 6, carrying out wafer-grade bonding; and 7, filling silica gel to realize the wafer-grade packaging of the LED. By achieving the integration with the wafer-grade LED reflecting cup, the method reduces heat resistance and cost.

The invention provides a low-temperature storage system, which does not cause a temperature rise of a container in extraction action, prevents deterioration of a sample in the container and moisture condensation on the container, does not require a special machine, and can work at high speed, and costs required by manufacture and use are reduced and the system is easy to use. Specifically, a low-temperature storage system (100) has a container housing unit (110) which formed in a manner of being movable in a space at an upper side of a lower-temperature storage chamber (101) where a plurality of containers (C) housing samples are stored, and the container housing unit (110) has a low-temperature housing groove (120), an upper opening, and housing containers (C), and a coolant tube (121) which cools the inside of the low-temperature housing groove (120).

The invention discloses a microfluidic atom cavity, an on-chip atomic clock chip and a preparation method. The method includes steps: a silicon substrate with a microfluidic channel and a borosilicate glass assembly wafer with a glass microcavity structure corresponding to the microfluidic channel are bonded to form a closed system, the closed system comprises a glass atom cavity, a reactant partition microfluidic channel and a reactant microcavity, reactant particles of materials necessarily required by atomic clock generation are arranged in the reactant microcavity, the glass atom cavity is communicated with the reactant microcavity through the reactant partition microfluidic channel, the aperture of the reactant microcavity on a bonding surface is smaller than that of the glass atom cavity, the minimum width of the reactant partition microfluidic channel is no larger than the minimum particle diameter of the reactant particles, and the glass micro cavity is provided with a light incidence plane. The smaller microcavity containing the reactant powder is connected with the larger microcavity required by forming of the spherical glass microcavity, forming of a spherical rubidium steam cavity and sealing of gas can be completed at one step, fine sealing performance is achieved, no impurities can be led in, performance of an atomic clock can be improved, the spherical rubidium steam cavity can be integrated into a microchip-level atomic clock system, planar packaging of the atomic clock can be realized, and size of the atomic clock is reduced effectively.

The invention discloses a pipe type membrane assembly coated with a cascaded structure on an inner wall, belonging to the technical field of membrane separation. The pipe type membrane assembly comprises a pipe shell, a set of pipe type membranes and two pairs of flanges, wherein the inner walls of the pipe type membranes are coated with separation layers; each pair of the flanges is composed of a fixed flange and a runner flange; each fixed flange is provided with through holes with section shapes, quantities and positions which correspond to those of the pipe type membranes; the runner flanges are provided with runner grooves; openings of the two pipe type membranes are formed in the runner grooves and are matched with the runner grooves so as to form the cascaded structure. Compared with the prior art, the pipe type membrane assembly has the advantages that small-batch online pervaporation dehydration can be realized; the contact area between organic solvent material liquid and the membrane assembly is large and the mobility of separated substances is good; the sealing performance, the temperature resistance and the solvent resistance are good; the dehydration efficiency is high and the time requirements on developing green economy are met.

The invention relates to a socket and spigot type pipeline connector with an anchoring structure. The socket and spigot type pipeline connector with the anchoring structure is used for continuous nodular cast iron pipes. By means of the socket and spigot type pipeline connector, anchoring reliability can be improved, structural service life can be prolonged, pipeline maintaining cost can be reduced, optimization and simulation of the connector structure can be performed easily, and pipeline transporting capacity is improved. The socket and spigot type pipeline connector comprises a socket, a spigot and a sealing piece which is arranged between the socket and the spigot and used for sealing and locking the pipeline connector. The socket comprises an annular groove which is formed by sequentially connecting a first annular vertical wall, a conical wall, a cylindrical inner wall and a second annular vertical wall in a defined manner. The sealing piece comprises an elastic material ring and a plurality of anchoring pieces embedded in the elastic material ring. Each anchoring piece comprises a head and a plurality of meshing teeth. Each anchoring piece is provided with a rotating circle center. The portion, connected with the annular groove in an abutting manner, of each head is an arc supporting face. The abutting joint area of each arc supporting face and the annular groove is located on the joint of the first annular vertical wall and the conical wall.

A lead battery employing a collective exhaust system and exhibiting excellent gas exhaust function and electrolyte leakage preventive function in which the electrolyte does not leak even when the battery turns sideways. In the lead battery equipped with a collective exhaustion mechanism, a partition wall is arranged to surround an opening consisting of an electrolyte circulation opening (33) and a gas exhaust opening (34), a cell communicating subchamber (35) sectioned from exhaust chambers (37, 37', 37'') by the partition wall is provided, and the cell communicating chamber (35) is communicated with the exhaust chambers (37, 37', 37'') through a cut (36) provided on the partition wall, and the cell communicating subchamber (35) is isolated from the exhaust chambers (37, 37', 37'') by the partition wall excepting the cut (36).

Disclosed are pharmaceutical compositions and methods for the administration of (4aR,10aR)-1-n-propyl-1,2,3,4,4a,5,10,10a-octahydro-benzo[g]quinoline-6,7-diol or a pharmaceutically acceptable salt thereof and related compounds for the treatment of neurological disorder such as Parkinson's disease and restless leg syndrome.

The invention provides a spiral flow channel heat exchanger. The spiral flow channel heat exchanger is in a circular table shape in appearance, and internally comprises a hot water flow channel, a cold water flow channel and a shell. The hot water flow channel comprises a hot water spiral flow channel. The cold water flow channel comprises a cold water spiral flow channel. The hot water spiral flow channel and the cold water spiral flow channel are arranged in a horizontally-spirally-spaced mode. The spiral flow channel heat exchanger is characterized in that the hot water spiral flow channel is composed of spiral pipe rows formed by connecting a plurality of horizontal spiral pipes in parallel in an up-down-stacked mode. The section of the spiral pipes is in a circular pipe or an oval pipe or a square pipe shape. The hot water passes through a hot water inlet, horizontally flows into the hot water spiral flow channel formed by the spiral pipe rows, and flows horizontally and spirally along the spiral lines from inside to outside. The flowing radius is gradually increased, and finally the hot water flows out of a hot water outlet after passing through a hot water outlet header. The cold water spiral flow channel is formed between two layers of the hot water spiral flow channel. The cold water flows horizontally and spirally along the spiral lines from outside to inside. The flowing radius is decreased gradually, and finally the cold water flows out of a cold water outlet after passing through a cold water outlet header in the center.

The invention discloses a new energy automobile water-cooled condenser which comprises a condenser body and a draught fan assembly. The condenser body comprises an outer pipe and an inner pipe which are fixedly installed in a sleeve manner, a refrigerant flowing channel is formed in an inner cavity of the inner pipe, a water flowing channel is formed in a space between the inner pipe and the outerpipe, the two ends of the outer pipe are provided with a water inlet connector and a water outlet connector, the two ends of the inner pipe are provided with a refrigerant inlet connector and a refrigerant outlet connector, the water inlet connector and the water outlet connector both communicate with the water flowing channel, the refrigerant inlet connector and the refrigerant outlet connectorboth communicate with the refrigerant flowing channel, heat conduction fins are arranged outside the outer pipe, and the draught fan assembly is arranged on one side of the condenser body to be used for blowing air to or sucking air from the condenser body. By means of the water-cooled condenser, the inner pipe and the outer pipe which are installed in the sleeve manner are used for achieving heatexchange between medium water and a high temperature refrigerant, heat in the high temperature refrigerant is conveniently recovered, utilization of thermal energy in a new energy automobile is morereasonable, and the aim of energy saving is achieved.

The invention provides a preparation method of a polymer lithium ion battery, comprising the following step: plasticizing a precursor of the polymer lithium ion battery, wherein the plasticization comprises heating and the cooling the precursor of the battery, the temperature in a shell of the precursor of the battery is between 30 DEG C and 60 DEG C due to heating, the shell of the precursor of the battery is placed under the heating temperature for 0.1-10 hours, the temperature in the shell of the precursor of the battery is between 0 DEG C and 40 DEG C below zero due to cooling, and the shell of the precursor of the battery is placed under the cooling temperature for 0.1-10 hours. The preparation method achieves the better plasticizing effect of a polymer film by heating and cooling the precursor of the battery in the plasticizing process, thereby obviously enhancing the circulation performance and the safety performance of the obtained polymer lithium ion battery.