32results about How to "Avoid excessive losses" patented technology

The invention discloses a manufacturing method of a transistor. The method comprises the following steps: providing a semiconductor substrate; successively forming a protective layer, an etching barrier layer and a pseudo grid material layer on the semiconductor substrate; performing first etching on the protective layer, the etching barrier layer and the pseudo grid material layer to form pseudo grids, and a residual etching barrier layer and a residual protection layer which are disposed below the pseudo grids; forming an interlayer dielectric layer on the semiconductor substrate between the pseudo grids; removing the pseudo grids to form a groove exposing the residual etching barrier layer; removing the residual etching barrier layer and the residual protection layer which are disposed in the groove to expose the substrate; and filling the groove exposing the substrate with a grid dielectric layer and a metal material to form a metal grid electrode. According to the invention, through additionally arranging the etching barrier layer on the protective layer, etching with the pseudo grids removed is enabled to well stop at the etching barrier layer, such that the requirements of pseudo grid structure etching and interlayer dielectric layer loss for the thickness of the protective layer are balanced, the performance of the formed transistor is improved, and the yield of the formed transistor is improved.

The invention discloses a heating device and method, a heating control system and a computer readable storage medium. The heating method comprises the steps: monitoring the detection temperature of atarget position in a heating device when a heating program carries out energy storage of the heating device, and determining whether the detection temperature is greater than a preset temperature or not; if so, stopping energy storage of the heating device by the heating program, and detecting whether the single operation duration corresponding to the heating program is larger than the preset duration or not; and if so, stopping the operation of the heating program. Therefore, a technical problem that when the existing heater conducts heating, the heat loss is large is solved.

The invention provides an ultraviolet light curing device and an alarm method thereof, wherein the ultraviolet light curing device comprises a chamber, an ultraviolet light generating device, a substrate bearing disc, a water cooling device and a humidity sensor, wherein the ultraviolet light generating device is arranged in the chamber; the substrate bearing disc is arranged opposite to the ultraviolet light generating device; the water cooling device is arranged at the bottom of the substrate bearing disc; the humidity sensor is used for detecting the humidity in the chamber, and the humidity sensor gives out an alarm when the humidity in the chamber is greater than a set value. The ultraviolet light curing device and the alarm method thereof provided by the invention can be used for avoiding the production losses in a light curing process in batches and further has the advantages of high alarm accuracy, large alarm range and timely trouble shooting.

The invention relates to the field of food preliminary processing and discloses vacuum freeze-dried green coffee beans and a processing method thereof.According to the processing method, fresh coffee fruits are cleaned and drained before being pre-frozen; the fresh coffee fruits are subjected to vacuum freeze-drying at three stages; at the first stage, 30 min is spent, the temperature is raised by gradient to 50-60 DEG C, and constant-temperature drying is carried out for 12.5-14.5 h; at the second stage, 15 min is spent, the temperature is dropped by gradient to 45-55 DEG C, and constant-temperature drying is carried out for 7-9 h; at the third stage, 15 min is spent, the temperature is dropped by gradient to 40-50 DEG C, and constant-temperature drying is carried out for 2-4 h; lastly, the fresh coffee fruits are subjected to shelling and vacuum packaging, and the vacuum freeze-dried green coffee beans are obtained.A peculiar three-stage vacuum freeze-drying process is adopted for preliminary processing of the fresh coffee fruits, the green coffee beans with a good condition and many nutritional substances and flavored active substances are obtained; meanwhile, processing time is shortened in the whole process, and processing efficiency of the coffee preliminary processing industry is improved.

Relating to the technical field of water treatment, the invention provides a microbial preparation for ecological safety water systems and a preparation method thereof. The microbial preparation comprises: a composite strain composed of 10-20% of rhodopseudomonas palustris, 20-30% of pichia farinose, 20-30% of bacillus amyloliquefaciens, 0-15% of rhodococcus erythropolis, 20-30% of lactobacillus plantarum, and 5-15% of ectothiorhodospira shaposhnikovii; and a carrier for loading the composite strain. The preparation method includes: adding the composite strain into a culture solution, and conducting fermentation culture to obtain a fermentation broth; concentrating the fermentation broth, adding porous starch, conducting stirring adsorption, then adding dextrin and lithium tourmaline micropowder, laying an activated carbon fiber cloth therein to undergo adsorption for 2-3h, and then performing drying. In the microbial preparation, all bacterial strains play a synergistic role to effectively restore the water so as to form a beneficial micro-ecological environment, and the bacterial strains are immobilized on the carrier to effectively improve the microbial purification and restoration effect.

The invention discloses a preparation method of cellulose acetate particles. The preparation method comprises the following steps: firstly, soaking cellulose in an acetic acid solution containing sulfuric acid for activation, then mixing the activated cellulose with a mixed solution containing catalyst hydrosulfate, acetic acid and acetic anhydride, reacting to obtain a cellulose triacetate solution, then adding an acetic acid aqueous solution for hydrolysis, separating out the reacted cellulose acetate solution in an acetic acid aqueous solution, and carrying out suction filtration, washing and freeze drying to obtain powdery coarse cellulose acetate particles; and dissolving the crude product in an acetone solution, purifying, re-precipitating, carrying out suction filtration, washing, and drying to obtain high-purity cellulose acetate particles. According to the method, the raw material with low cellulose content can be acetylated, the viscosity and molecular weight of the cellulose acetate are not obviously reduced, the cooling acetylation reaction is not required, the solubility of the cellulose acetate is improved, and the influence of the catalyst or the catalyst residue on acetylation, hydrolysis and subsequent processing steps is very small.

The invention provides a light path system and a projector, and belong to the field of projection equipment. The projector comprises monochromatic light sources, light processing assemblies and lightcombining elements. The number of the monochromatic light sources is multiple, and the monochromatic light sources emit light of at least two colors. The multiple light processing assemblies are in one-to-one correspondence with the multiple monochromatic light sources, and the light processing assemblies are used for enabling light rays of the monochromatic light sources to form images; the lightcombining elements are in one-to-one correspondence with the light processing assemblies, and the light combining elements are used for receiving light emitted by the light processing assemblies andcarrying out light mixing processing. According to the light path system and the projector provided by the invention, a complex light path structure of color separation first and then color combination in a traditional light path system is not needed, the number of optical elements is reduced, the structure of the light path system is simplified to a great extent, the situation of excessive lightloss is avoided, meanwhile, a dark field can be set for each path of light, and the contrast ratio is improved.

The invention discloses a production method of fatty livers, comprising the following steps: (1) preparing the following materials: primary materials: 15000g of fresh fatty livers of geese or ducks, secondary material: 4215g of yellow rice wine and ingredients: 18765ml of water and 1235g of salt and other materials; (2) after cleaning the fresh fatty livers and storing the fresh fatty livers in a cold storage at 0-4 DEG C, sprinkling the wine on the fresh fatty livers to age the fresh fatty livers for 12h; (3) pouring the prepared ingredients into a vessel to be mixed uniformly and placing the aged fatty livers into the vessel to be cured at 0-4 DEG C for 12h; (4) adding 19215g of clear water to a heating kettle and cooking the fatty livers together with the curing liquid in the kettle and then cooling the cooked materials; (5) after cooling the processed fatty livers, cleaning and finishing the fatty livers and quickly freezing the fatty livers in a quick freezer at minus 30 DEG C until the center temperature of the fatty livers reaches minus 16 DEG C; and (6) vacuum packaging and storing the fatty livers. The fatty livers have the beneficial effects of ensuring cardio-cerebrovascular health and delaying aging, have added value more than doubling that of the frozen fresh fatty livers and have remarkable effects.

The invention provides a multifunctional power distribution network automation device, which relates to the technical field of power distribution network automation devices. The multifunctional powerdistribution network automation device comprises a box body, a fixing base and a clamping base, wherein the box body is provided with a door rod, an automatic circuit board, a fire extinguishing device, an operation table, a power distribution disc, a heat radiating device, a box door fixing block, an alarm sensing device, and a switch; the alarm sensing device is provided with an alarm machine, and the box door is provided with a glass door body, the box door is provided with a buckle, and the fixing base is provided with a buckle joint; the automatic circuit board is provided with a fireproof shell, a sensor, an information collecting and processing module, a communication module, an information feedback module and a display module. The invention is advantageous in that the information collecting and processing module and the communication module, the information feedback module and the display module are arranged on the automatic circuit board, and the information can be transmittedto the liquid crystal display of the operation table in time; the problem can be found and solved in time, and the glass door body is arranged through the box door, and thereby the condition inside the box body can be observed without opening the box door, and the use is simple and convenient.

The invention concerns CD load method and its CD distinguish device for CD driver, which comprises, bounce out disk; sense the CD inserted is empty disk or cartridge disk; compare CD sensing signal; if it is empty disk, use force Fb loaded CD to drive disk, push it in system and insert to rotating-disk of rotation shaft motor, then record or play data on CD, finally use force Fb loaded CD to bounce out it; if it is cartridge disk, execute similarly operation aforementioned with force Fc loaded cartridge disk. This invention can prevent the over impact when inserting empty disk and over loss of system electric quantity, realize thinlization for CD cabin; besides, support of fixed cartridge disk box also has the function as CD distinguish device.

The invention relates to a composite coating diaphragm for a lithium ion battery and a lithium ion battery and belongs to the technical field of lithium ion batteries. The composite coating diaphragmfor the lithium ion battery comprises a diaphragm base material and a composite coating arranged on one surface of the diaphragm base material; the composite coating comprises a silicon dioxide coating arranged on the diaphragm base material and a first boehmite coating arranged on the silicon dioxide coating. The silicon dioxide coating of the composite coating diaphragm for the lithium ion battery can avoid the problems of performance attenuation and safety of the battery due to the fact that the diaphragm is punctured after lithium dendrites continuously and quickly grow; the first boehmitecoating which coats on the surface of the silicon dioxide coating prevents the silicon dioxide from reacting with metal lithium on the surface of a negative electrode before the lithium dendrites appear, and therefore, the excessive loss of the effective lithium of the battery can be prevented, and the further growth of the lithium dendrites can be delayed, the service life of the battery is effectively prolonged, and the safety accidents of the battery are reduced.

The invention provides a method for removing an SEI membrane on a surface of a metal lithium negative electrode. A lithium manganese button cell which is just packaged is processed, the lithium manganese button cell mainly comprises a negative electrode plate, a positive electrode plate, a diaphragm and an electrolyte; the negative electrode plate is made of lithium or alloy thereof, the positiveelectrode plate takes MnO2 as a positive active material, the diaphragm is arranged between the negative electrode plate and the positive electrode plate, the electrolyte comprises lithium perchlorate, the lithium manganese button cell which is just packaged is placed for 40-50 hours in a static state, and pre-discharging processing is performed, so that the designed capacity of the cell is consumed by 2.5-3.0%. By the method, the problems that the same-type of lithium-MnO2 prepared in the prior art is relatively high in resistance, high in cell capacity consumption and poor in cell performance can be solved.