104results about How to "Avoid importing" patented technology

A preparation method for vinylene carbonate used for lithium ion battery, which is characterized in that Vinylene carbonate and Sulphuryl chloride are adopted as raw materials to prepare chloro-substited ethylene carbonate under the function of an initiator, and the chloro-substituted ethylene carbonate and triethylamine undergo a reaction to eliminate hydrogen chloride, in order to produce vinylene carbonate, the synthesized crude vinylene carbonate undergoes multiple purifications and extractions such as decompressed distillation, fine distillation, and recrystallization to obtain vinylene carbonate used for battery.

The embodiment of the invention provides a virtualization platform safety protection method, device and system based on a virtual switch. A first interface in the virtual switch intercepts a data packet on a communication link of the virtual switch, wherein the data packet is transmitted to second equipment by first equipment; characteristic information corresponding to a network security strategy in a data feature library is adopted to detect whether the data packet is safe, if so, then a second interface in the virtual switch transmits the data packet to the second equipment. According to the virtualization platform safety protection method, device and system based on the virtual switch provided by the invention, the communication traffic in the virtual switch can be avoided from being led into an external system to perform security detection, so that the processing efficiency of the security detection can be improved and the time delay of communication interaction can be reduced.

The invention relates to a method for producing sodium acetate trihydrate and anhydrous sodium acetate as byproducts, which comprises the following steps: firstly, taking sodium acetate solution which is a byproduct generated in the production process of trimellitic anhydride, pouring into a material mixing kettle, stirring, and neutralizing until the pH value is 6-9; secondly, evaporating and concentrating; thirdly, putting the concentrated sodium acetate solution in a crystallization kettle, cooling to 60-57 DEG C, adding sodium acetate trihydrate crystals accounting for 0.05-0.5% by mass of the solution in the kettle to provoke the crystallization, and stirring for more than 12 hours; fourthly, centrifugally separating to obtain the solid phase which is the sodium acetate trihydrate; and fifthly, drying the sodium acetate trihydrate in a vortex drier to obtain the anhydrous sodium acetate. The method can prevent the sodium acetate solution from being supercooled, avoids the processes with high energy consumption, such as brine cooling and the like, and does not need to add other crystal nuclei so as to avoid introducing impurities into the product. The vortex drier is used for drying by one step so as to avoid the complicated energy-consuming processes of vacuum concentration, crystallization by cooling, centrifugal separation, drying and the like in the prior production technique of anhydrous sodium acetate.

The invention discloses a wireless sensor-based equipment fault diagnosis system and method. The system comprises a client, a wireless sensor and a cloud server; the wireless sensor is used for measuring the different measuring positions of tested equipment to obtain measurement data; the cloud server is used for storing a plurality of equipment templates, user data and professional knowledge; and the client is connected with the cloud server and the wireless sensor and is used for obtaining set equipment templates from the cloud server, controlling the wireless sensor to measure the tested equipment, receiving the measurement data, generating the actual fault atlas of the different measuring positions of the tested equipment according to the measurement data, and performing comparison and analysis on the actual fault atlas and a standard fault atlas which is generated on the basis of the information of the tested equipment according to the templates so as to obtain the fault type of the tested equipment. According to the diagnosis system and method of the invention, equipment can be directly measured, measured information can be transmitted to the outside in real time, and the accuracy of the transmission of the information and the efficiency of remote assistance can be improved.

The invention discloses an editing method for loading a flow chart to effects and timelines and relates to the loading of a first system and a second system to the same operating system. The method is characterized by mainly including the steps of loading the first system which serves as a subprogram to the second system to serve as the subprogram of the second system; receiving editing materials in the second system; selecting the editing materials and generating delivering materials in the second system; and calling the subprogram and generating second materials from the delivering materials. According to the method, the simultaneous performing problem of timeline edition and effect edition in the same system is solved, two producing methods are supplied for the same system simultaneously, therefore a user can select flexibly during program production, picture quality losses of videos due to the fact that the user switches between two systems are avoided, the flow chart is prevented from being packaged and output as a file and lead into another system, the final synthesizing quality is guaranteed, and the editing efficiency is improved.

An apparatus for operating an auto-shutter in an air-conditioner is provided, which includes an external casing in which a louver frame having an exit is installed in the inner portion of the upper end thereof, an auto-shutter movable between an opened position opening the exit and a closed position closing the exit, and a shutter driver driving the auto-shutter. The shutter driver includes a driving motor which is rotatable forwardly and backwardly, a screw-rod shaped rotational rod which is coupled with the driving motor and thus rotates, a bushing which is coupled with the rotational rod and ascends and descends along with the rotational rod, a slider one end of which is coupled with the auto-shutter and the other end of which is coupled with the bushing, an angular rotating unit which makes the driving motor and the rotational rod rotate by a predetermined angle when the auto-shutter moves from the opened position to the closed position, and a rotational rod guider which guides and supports rotation of the rotational rod, wherein guide rails are formed on both side surfaces in the louver frame in order to guide the auto-shutter.

The invention relates to a laparoscope lens flushing device and a flushing method thereof. The laparoscope lens flushing device comprises a pipe sleeve, a flushing assembly and a control unit, the pipe sleeve is used for assembling a laparoscope lens, the flushing assembly is used for flushing the laparoscope lens, the control unit can acquire image information of the laparoscope lens in real time, and use a support vector machine algorithm or image processing algorithms such as a neural network to determine the pollution condition of the laparoscopic lens, the washing assembly can be autonomously controlled to wash the laparoscope lens on the basis of the pollution condition, updated in real time, of the laparoscope lens, automation and intellectualization of flushing operation are achieved, prior operation training is not required for the use of the laparoscope lens flushing device, and participation of doctors is not needed in the washing process, so that doctors can focus on the operation conveniently.

The invention relates to the technical field of artificial-propagation subculturing pollination, in particular to a bumblebee artificial-propagation subculturing pollination technology. The technology comprises the following steps: bumblebee growth environment, bumblebee pollination, new queen bee transfer, new queen bee growth environment, new queen bee feeding and new queen bee preserving. The technology has the benefits that after the technical scheme is adopted, the density of worker bees is increased by 2-3 times in unit space, and the pollination efficiency is increased by 2-3 times; vegetable pollination is more uniform, 86 percent of malformed fruits can be reduced, and the quantity of greenhouse commodity fruits can be increased by 11 percent; the technical scheme can gradually increase the number of worker bees in a bumblebee swarm, ensures flower pollination and meanwhile forms new bumblebee swarms; child worker bees continue to carry out flower pollination work; with the continuing, a batch of bumblebees are introduced and can be used for one year; continuously introducing the bumblebees from abroad is avoided, and the cost of import commodity bumblebees is reduced.

The invention discloses a method and a system for avoiding the slagging of a circulating fluid bed boiler furnace. According to the method, low-pressure saturated steam sequentially passes through an air box and an air distribution plate and is pushed into the circulating fluid bed boiler furnace in burning. The system comprises the circulating fluid bed boiler furnace, a low-pressure steam header, a drainage tank and a discharge pipeline, wherein the circulating fluid bed boiler furnace is provided with the air box and the air distribution plate, the low-pressure steam header is used for outputting the low-pressure saturated steam, the drainage tank is used for recovering condensed water, and the discharge pipeline is directly connected with a trench; the low-pressure steam header is connected with the air box through a steam water pipeline; the low-pressure saturated steam output by the low-pressure steam header is input into the circulating fluid bed boiler furnace through the air box and the air distribution plate; and the drainage tank and the discharge pipeline are arranged on the steam water pipeline in a connecting manner. The method and the system have the advantages that the slagging of the circulating fluid bed boiler furnace can be avoided, and the deficiencies that slagging occurs easily and shutdown slag removal is often required, and potential safety hazard of the original furnace are overcome.

The invention relates to a methyl chloroacetate production method and device. The methyl chloroacetate production method comprises the following steps that (a) chloroacetic acid and methyl alcohol are mixed according to the mole proportion of 1:1.10 to 1: 1.15 to obtain a mixed solution; (b) the mixed solution is evenly and dropwise added into an esterification reaction kettle, and the reaction temperature of the esterification reaction kettle is controlled to 105-125 DEG C; (c) a glass lining filler tower is arranged at an outlet of the esterification reaction kettle, a product of the esterification reaction kettle is cooled, water layer separation is conducted on a water tank, and separated methyl alcohol is recovered. 99.9% methyl chloroacetate can be continuously and stably produced. By omitting a neutralization process in the scheme, material alkaline hydrolysis and hydrolysis consumption caused by added alkali liquor are avoided, accordingly material consumption and yield improvement are reduced, and the yield can be remarkably improved.

The invention discloses a self-heating type frost crack resistant sheath for municipal tree trunk protection, and belongs to the technical field of municipal tree protection. The self-heating type frost crack resistant sheath effectively improves the anti-freezing protection of a main trunk and a root of a tree by arranging a trunk sheath, a root sheath and a cold-proof film, an oxidation heatinglayer is embedded in a heat storage layer, a plurality of air holes are formed in an outer cold-proof layer, and a heating expansion body is embedded in the air holes. At night, due to the fact that the temperature is low, the heating expansion body is in a non-expansion state, holes exist between the heating expansion body and the inner walls of the air holes, outside air diffuses inwards throughthe holes and makes contact with the oxidation heating layer, the oxidation heating layer emits heat, and the overall temperature of the sheath is increased, so that heat supply and cold protection are achieved for trees; and in the daytime, when the air temperature rises, the heating expansion body expands gradually to fill the whole ventilation cavity, hole closing treatment is achieved, the situation that the oxidation heating layer makes contact with air and generates heat to consume energy is effectively avoided, temperature control circulation in the daytime and at night is conducted, and the cold resistance effect on trees is effectively improved.

The invention relates to an arrangement of an electric motor unit (10) in the motor compartment of a motor vehicle. The electric motor unit (10) comprises an electric drive motor, a housing which surrounds the drive motor, and a transmission (12) which is flange-mounted directly on the drive motor. The electric motor unit (10) is suspended on at least two assembly supports (22), a first assembly support (22) being fixed to the transmission (12) and a second assembly support (22) being fixed to the housing. According to the invention, at least two additional assembly bearings (36) are provided, which connect the electric motor unit (10) to a subframe (50) of the motor vehicle, a first assembly bearing (36) being fixed to the transmission (12) and a second assembly bearing (36) being fixed to the housing.

The invention belongs to the field of medicine intermediates, and particularly relates to a preparation method of a Vildagliptin intermediate. The preparation method is characterized in that L-prolineand chloroacetyl chloride are used as raw materials to react; in the reaction process, the adding of other solvents is not needed, so that the introducing of other impurities is avoided, and the purity is improved; by adding an acid-binding agent, the hydrochloric acid produced in the reaction is timely neutralized, so that the reaction time is shortened; the yield rate is increased, the productis easy to purify, and the safety and reliability are realized. Compared with the prior art, the preparation method has the advantages that the adding of a large amount of solvent is not needed, the reaction can be performed at room temperature, the energy consumption is decreased, and the environment-friendly effect is realized.

The invention relates to the technical field of agricultural product processing and storage, and discloses a box type three-bin design fresh-keeping device for fresh vegetables and fruits. The fresh-keeping device comprises an upper box and a lower box, wherein the upper box is a cover, and the lower box is a bin; the lower box is provided with a temperature control bin, a humidity maintaining binand a fresh vegetable and fruit storage bin; the bottom of the lower box is provided with a freezing bin for storing water or a freezing medium; the top of the lower box is provided with a storage bin; and the inner bottom wall of the storage bin is provided with strip-shaped convex strips. Fresh vegetables and fruits are placed on the top of the strip-shaped convex strips, on the one hand, direct contact with low temperature at the bottom is avoided to prevent frostbite, and on the other hand, a breathing space can be reserved to prevent mildewing; the humidity maintaining bin is arranged onthe right side of the storage bin, the bottom and four walls of the humidity maintaining bin are filled with super absorbent sponges, and sponges at the portion, connected with the storage bin, of apartition plate are designed to be in zig-zag shapes or wave shapes so as to form concave-convex sealing with the gear sponges at the corresponding part of the upper box; the zig-zag shaped sponges can be used for storing vegetables with the stems by placing the stems into the grooves; and the water absorption sponges provide water for roots and the stems of the vegetables on the one hand, and emit the water to the storage bin to keep proper humidity on the other hand, so that the vegetables are kept fresh.

The invention specifically relates to a method for producing L-lactic acid by using green sweet corn. The method is characterized in that a fermentation culture medium is prepared by taking fresh green sweet corn as a major raw material, and L-lactic acid is produced by fermenting heat-resistant lactobacillus of 52 DEG C serving as a culture. The method comprises the following specific steps: (1) making green sweet corn pulp; (2) making the fermentation culture medium; (3) fermenting. The method has the beneficial effects that (1) the production cost is reduced, and production and operation processes are simpler, so that the labor intensity is lowered and the working efficiency is increased; (2) green sweet corn is used directly, so that various nutrients in corn can be fully utilized; (3) the using amount of raw materials is reduced; (4) green sweet corn is utilized fully without producing waste, so that environmental protection is facilitated; (5) the using amount of liquefying enzyme is reduced; (6) the difficulty of a post-treatment decolorizing process is lowered; (7) the yield of L-lactic acid is increased remarkably, and raw materials are transformed to the maximum extent.

The invention relates to a method for preparing modified phospholipids in food. A formula comprises 28%-64% of concentrated phospholipids, 7%-26% of honey, 6%-23% of starch ester, 6%-23% of Twain- 80, and 5%-27% of maltodextrin. A preferable technical scheme is as below: the components comprise, by weight, 39% of concentrated phospholipids, 21% of honey, 12% of starch ester, 19% of Twain-80 and 9% of maltodextrin. The method comprises the steps of mixing, heating, homogenization, vacuum freeze drying, and crushing. The novel modified phospholipids have good emulsification effect, low acidity and good taste, prevent phospholipid structure changes in the traditional chemical or biological methods, and avoid the introduction of foreign groups.

The invention provides an antistatic down feather composite fiber and a preparing method thereof, and relates to the field of down feather products. The fiber includes following raw materials by weight: 25-30 parts of goose down powder, 20-25 parts of duck's down powder, 5-10 parts of camel hair powder, 2-6 parts of silk, 10-20 parts of carbon fibers, 10-15 parts of bamboo fibers, 5-15 parts of linen fibers, 5-8 parts of monoalkoxy unsaturated fatty acid titanate, 3-5 parts of hydroxypropyl methacrylate and 15-20 parts of palm oil. In the preparing method, firstly, the down feather powder is treated with the monoalkoxy unsaturated fatty acid titanate and the hydroxypropyl methacrylate to increase the crosslinking degrees among molecule chains and inside the molecule chains in the down feather powder, thus facilitating subsequent composite blending with other raw materials. After the down feather powder is blended, PVA and ethanol can be removed through sintering, thus avoiding introduction of impurities. The finally prepared down feather composite fiber reaches the EN1149-5 antistatic index and has a good antistatic effect.

The invention discloses an array substrate and a display panel. The array substrate includes a display region and a peripheral region, wherein the peripheral region includes an integrated-circuit input-pin region which is internally provided with multiple input pins, an integrated-circuit output-pin region which is internally provided with multiple output pins, a ground wire at least part of which surrounds the display region, and an electrostatic protection wire which is arranged between the integrated-circuit input-pin region and the integrated-circuit output-pin region and connected to the ground wire. Through the above array substrate, relevant circuits on the array substrate can be protected, and the risk of electrostatic shock damage can be reduced.