46results about How to "Short time required" patented technology

The invention relates to a hydrogenation catalyst regeneration method for a light hydrocarbon noble metal, which comprises the following steps: the hydrocarbon feeding is firstly stopped by using a reactor, heating or heat-exchange equipment, and hydrogen in the hydrogenation process of the light hydrocarbon noble metal; and then the hydrogen is heated by the heating or heat-exchange equipment, so as to enter the reactor to contact an inactivating noble metal catalyst. The catalyst regeneration method is organically combined with a hydrogenation process for the light hydrocarbon, conducts the catalyst regeneration by fully using the conditions in the hydrogenation technology process, and has the advantages of simple process, low cost, short time and good regeneration effect, and can be applied in the regeneration process of hydrogenation catalyst of various light hydrocarbon noble metals.

The invention discloses a pulling-type ramie peeling machine. The machine includes a rack, supporting legs are fixedly connected to the lower end face of the rack, the rear part of the rack is a transmission mechanism, the front pat of the rack is sequentially provided with a feeding system, a ramie chopping system, a ramie stick removal system and a ramie sweeping system, and a control system isarranged beside the rack. According to the pulling-type ramie peeling machine, in the process of chopping ramie, automatic alignment can be achieved, and ramie strips are pushed to move forwards by afriction force without participation of manpower. By adopting a pulling mode for scraping ramie sticks, in the whole process of peeling the ramie, the ramie sticks are always maintained in a large shape, and small and fragmental ramie sticks are effectively prevented from adhering to fiber layers. The pulling-type ramie peeling machine is high in automation degree and production efficiency, the ramie sticks on ramie fibers are easy to clear away, and the quality of the peeled ramie fibers is high.

The embodiment of the invention discloses a processing method and processing equipment. The method comprises the following steps of: receiving N uplink reference signal received power (UL RSRP) values from a user terminal in a multi-sector cell, wherein the N UL RSRP values correspond to N sectors forming the multi-sector cell respectively, coverage areas of the N different sectors are crossed with one another to form M crossed coverage areas, N is an integer greater than 1, and M is the integer greater than 0 and less than or equal to N; acquiring a maximum value PRX and a UL RSRP reference value from the N UL RSRP, wherein the RPX is the UL RSRP value of the sector X in the N sectors; and determining a user group with a user corresponding to the user terminal according to relationships between the maximum value PRXs and the RSRP reference values. The embodiment of the invention can reduce the complexity of an algorithm required by the space division multiplexing (SDM) realization of the user in the multi-sector cell, and ensure the communication quality.

The invention relates to a method for preparing a strontium-doped calcium phosphate coating on the surface of magnesium alloy through a one-step hydrothermal method. The method includes the steps that a coating solution is placed in a reaction still, and a magnesium alloy sample treated through alkali is soaked into the coating solution; the reaction still is placed in a drying oven, and heat preservation lasts for 1-3 h at the temperature of 90-110 DEG C; and finally, the reaction still is cooled to an indoor temperature along with the drying oven, and the magnesium alloy sample is taken out, rinsed with deionized water and then dried. The prepared coating on the surface of the magnesium alloy is structurally divided into an upper layer and a lower layer. The upper layer of the coating is of a flower-shaped cluster structure, the lower layer of the coating is of a compact sheet structure, and the coating thickness is 1-2 microns. In an in-vitro immersion experiment, deposited hydroxyapatite appears on the first day to the third day, and good biological activity is achieved; and moreover the alternating-current impedance is 7500-14000 ohm.cm<2>. The biological activity of the magnesium alloy is improved, and meanwhile corrosion resistance of the magnesium alloy in simulated body fluid is improved. The preparation technology is simple, the method is environmentally friendly, and great commercial popularizing value can be achieved.

The invention discloses manger cleaning equipment for livestock breeding. The equipment comprises a manger rack structure, a horizontal movement mechanism and a washing mechanism, the horizontal movement mechanism is installed at the upper side of the manger rack structure, and the washing mechanism is erected at the lower side of the horizontal movement mechanism; the manger rack structure comprises a feeding manger, a drainage port, external extension plates, insertion grooves, a connection plate, connection grooves and insertion rods. The drainage port is formed in one side of the feeding manger, the two external extension plates are fixedly connected to the outer side of the feeding manger, and the insertion grooves are formed in the four corners of each external extension plate; the insertion rods are embedded in all the insertion grooves. According to the manger cleaning equipment for livestock breeding, the distribution structure of washing cylinders of the washing mechanism ismatched with the groove wall structure so that bristles can sufficiently act on the inner wall of the feeding manger, the bristles are made from silicone rubber pieces, have high elasticity and can sufficiently scrape feed residues of the manger wall, so that the feed residues are gathered at the bottom of the feeding manger, the cleaning effect is good, a motor drives a mounting rack to move in the front-back direction, and the feeding manger is conveniently and comprehensively cleaned.

The invention discloses a preparation method of transparent paper and belongs to the fields of nano / micro micro-structure materials and preparation technology thereof. The transparent paper is a fiber material, which is composed of nano / micro wood fiber materials and is higher than 70% in transparence degree. The preparation method includes the following steps: 1) processing a wood material into wood chips or wood powder; mixing the wood chips or wood powder with a sodium hypochlorite solution at certain temperature to perform a reaction for a certain time to remove the lignin in the wood material; 2) washing the reaction product with water for several times to remove residual sodium hypochlorite, and removing most of water from the cleaned pulp material; 3) placing the pulp material in a pressing machine, performing pressure maintenance under certain pressure for a period to remove the rest of water to obtain the transparent paper. The method is suitable for various types of wood materials, is low in cost, is abundant in source of materials, is easy to carry out, is environment-friendly and high-yield, is free of complex equipment and devices, and allows large-scale quick production.

The present invention relates to a method for preparing the amphoteric polymer which is used for the sludge dewatering. The polymer is a colloid water solution which takes anion or non-ionic polyacrylamide, formaldehyde, organic amine, sodium bisulfite and fresh water as the raw material and is obtained by the reaction at a certain temperature with a few additive and takes the sulfomethyl polyacrylamide and aminomethyl polyacrylamide as the main component. The invention has the advantages of simple technique and equipment, stable reaction process, easy operation and short necessary time. The experiment of dewatering to the sludge of the petroleum refinery shows that the processing effect of the sludge dewatering agent of the invention is better than the existing agent at the condition of same agent adding amount; the COD of the processed filtered solution is less than 2000mg / L, and the oil content is below 1000mg / L. The method can be applied to the processing of the sewage and sludge in the industries of petroleum, chemical industry and the like.

The invention belongs to the field of medicament, and relates to a detection probe for hepatitis B virus adefovir dipivoxil medicament-resistant variant strains and an application method thereof. The detection probe for the hepatitis B virus adefovir dipivoxil medicament-resistant variant strains is one or more of SEQ ID No.6, SEQ ID No.7, SEQ ID No.8, SEQ ID No.9, SEQ ID No.10, SEQ ID No.11, SEQ ID No.12, SEQ ID No.13, SEQ ID No.14, SEQ ID No.15, SEQ ID No.16, SEQ ID No.17, SEQ ID No.18 and SEQ ID No.19. By combining liquid phase chip technology, the detection probe can quickly and accurately determine the hepatitis B virus lamivudine medicament resistance of a sample, has high specificity, good sensitivity and high detection flux, and greatly saves the cost for determining the category of the medicament-resistant variant strains.

The invention discloses a method for hybridizing pinellia tuber and propagating F1. The method comprises the following steps: 1, collecting pinellia tuber breeds and establishing an idioplasm resource garden; 2, screening a hybrid parent; 3, implementing hybridization technology; 4, implementing propagation technology: obtaining a seedling, propagating the seedling, proliferating a globoid, and regenerating an F1-generation plant; and 5. performing a pinellia tuber F1-generation product comparison test. The method can cultivate the pinellia tuber breed with good photosynthetic characteristic and excellent inner quality by adopting hybridization and propagation.

A method for removing sediments in a heavy oil pipeline of a spare heat medium boiler includes the steps of (1) closing an inlet and outlet valve of a heavy oil booster pump, and moving away the heavy oil booster pump; (2) connecting a diesel circulation pump and a diesel cycle collecting tank to a position to which the heavy oil booster pump was connected before so as to form a cycle; (3) opening an inlet valve from the diesel cycle collecting tank to the diesel circulation pump, a reflux valve of a diesel collecting tank, and an inlet and an outlet valves of the original heavy oil booster pump; and (4) starting the diesel circulation pump to enable diesel to reciprocally cycle through the diesel circulation pump, a heavy oil heater, a pipeline and the diesel collection tank for 2-3 hours. The diesel is used for realizing cycling of a small closed system formed by a heavy oil system of a single spare fuel heat medium boiler, and such impurities as oil sludge existing in the pipeline of the spare fuel heat medium boiler and the heater are removed, and thus, unimpeded cycle of the heavy oil pipeline in the spare fuel heat medium boiler is guaranteed, and the spare fuel heat medium boiler can be successfully put into use at any time.

The invention provides a preparation method and application of PEG culture medium with solid-liquid two phases. The preparation method comprises: preparing a solid MS culture medium at the bottom of a culture bottle; carrying out autoclaved sterilization and cooling to form a solid gel; removing part of the solid gel in a vertical direction, preferably half of the solid gel in volume along the diameter of the culture bottle, to form a cavity at the bottom of the culture bottle; and adding an MS liquid culture medium containing PEG into the cavity, wherein the volume of the added MS liquid culture medium containing PEG is as same as the volume of the removed solid gel. The culture medium provided by the invention is composed of a solid phase MS culture medium and a liquid phase PEG culture solution, wherein liquid PEG seeps into the solid gel along the horizontal direction and a potato test tube seedling stem section is inoculated to the solid phase culture medium for drought resistance test. The culture medium has the characteristics of being simple to manufacture, short in required time, convenient to inoculate stem sections and the like.

The invention provides an integrated high-performance sewage treatment apparatus. The apparatus comprises a barrel-shaped tank body, an inner cylinder is arranged in the barrel-shaped tank body, the inside of the inner cylinder is an aerobic zone provided with an IC anaerobic strengthening treatment system, an aerobic zone provided with an aerobic simplified SBR treatment system is arranged between the inner cylinder and the barrel-shaped tank body, a biogas tank used for collecting biogas and connected with the inner cylinder is arranged above the inner cylinder, the water inlet tube of the IC anaerobic strengthening treatment system is connected with the sewage outlet of a plant area water collecting pool pumping tank, the water outlet tube of the IC anaerobic strengthening treatment system is connected with the pipeline of the aerobic simplified SBR treatment system, the aerobic simplified SBR treatment system comprises a water drainage tube and a sewage drainage tube, and the sewage drainage tube is connected with a sewage pool. The apparatus has the advantages of reduced area, whole-course automatic treatment and easy operation. The IC anaerobic strengthening treatment system can resist the impact of concentration change and water volume change, and the sludge bulking phenomenon of the aerobic simplified SBR treatment system is difficult.

The invention discloses a self-pressing pot cover structure which comprises a pot cover neck and a lower pot cover. The self-pressing pot cover structure is characterized by including a vertical shaft base, a hydraulic cylinder, an upper pot cover, a cantilever, a big nut, a sealing expansion ring and a slewing mechanism. The slewing mechanism comprises a rack, a vertical shaft, a drive gear and a sector gear. The lower end of the vertical shaft base is fixed on a pot body and is in rotatable connection with a vertical shaft. The drive gear is fixedly connected onto the vertical shaft and is meshed with the rack. The rack is driven by the hydraulic cylinder. The drive gear is further meshed with the sector gear, and one side of the sector gear far away from the toothed side is connected with the upper end of the lower pot cover. One end of the cantilever is in rotatable connection with the upper end of a spindle, and other end of the cantilever is connected with the top of the upper pot cover. The big nut is connected at the lower end of the upper pot cover and is in threaded match with the lower pot cover. An annular groove matched with the sealing expansion ring is arranged on the pot cover neck, and the lower end surface of the lower pot cover can press the sealing expansion ring in a matched mode. The self-pressing pot cover structure saves strength and time during pot cover opening and closing.

The invention relates to an LAMP and PCR non-diagnostic detection method for lawsonia intracellularis. Through online software, PCR and LAMP specific primers are designed aiming at a lawsonia intracellularis AM18025.2.1 gene sequence according to the primer design principle; and PCR and LAMP detection methods for the lawsonia intracellularis are successfully established after reaction condition optimization is carried out. Through comparison on a sensitivity test, a clinical sample detection test and a re-check detection test, the result shows that the sensitivity of the established LAMP method can reach 1.39*10<1> copies / mu l; the sensitivity of the established PCR method is only 1.39*10<4> copies / mu l; and the specificity and repeatability detection results show that the two methods have good specificity and relatively high repeatability, and show that the established PCR method and LAMP method are simple, convenient, fast and accurate and can be applied to clinical detection on the lawsonia intracellularis.

The invention provides a lining trolley, and further discloses formwork erecting and releasing methods of the lining trolley. The lining trolley comprises a portal system, a formwork system and a connecting assembly; the connecting assembly comprises two or more sets of foldable connecting pieces; the foldable connecting pieces comprise first folding arms, second folding arms and telescopic control mechanisms; and limiting seats are arranged on the first folding arms, and limiting clamps matched with the limiting seats are arranged on the second folding arms. By applying the lining trolley, the effects are that the overall structure is simplified; the second folding arms and the first folding arm can relatively rotate through the connecting assembly, thus the formwork system is driven to act to achieve formwork erecting and releasing, and operation is convenient; and through combination of the limiting seats and the limiting clamps, the angle of relative rotation of the first folding arms and the second folding arms can be controlled, and on the basis of meeting formwork erecting and releasing, the stability of the lining trolley is further improved. According to the formwork erecting and releasing methods, the steps are simplified, the labor intensity is small, the time required by formwork erecting and releasing is short, and the construction efficiency is improved.

The invention belongs to the field of medical science and relates to a probe for detecting a lamivudine drug-resistant variant of a hepatitis B virus and an application method thereof. The probe for detecting the lamivudine drug-resistant variant of the hepatitis B virus is one or more than one of SEQ ID NO12, SEQ ID NO 13, SEQ ID NO 14, SEQ ID NO 15, SEQ ID NO 16, SEQ ID NO 17, SEQ ID NO 18 or SEQ ID NO 19. By combining the detection probe with a Luminex technology, the lamivudine drug resistance of the hepatitis B virus can be rapidly and accurately determined, advantages of high specificity, good sensitivity and large detection flux can be achieved, and the cost required by determining the variety of the drug-resistant variant is greatly saved.

The invention belongs to the technical field of screening of aluminum-toxicity-resistant oilseed rape in a seed germination period, and particularly relates to a method for screening the aluminum-toxicity-resistant oilseed rape in the seed germination period. The method for screening the aluminum-toxicity-resistant oilseed rape in the seed germination period comprises the following steps of seed germination, investigation of main characters in the seed germination process, estimation of an aluminum toxicity tolerance comprehensive coefficient (A) and grading of aluminum-toxicity-resistant germplasms. Compared with a conventional analysis method, the method for screening the aluminum-toxicity-resistant oilseed rape in the seed germination period is simpler, more convenient and quicker, doesnot need too many culture conditions, and only needs to sow the tested oilseed rape under two culture conditions of aluminum toxicity stress and no aluminum toxicity stress (the rest conditions are consistent), count the relative germination potential, the relative germination rate, the relative fresh weight, the relative dry weight, the relative root length and the relative bud length of the tested oilseed rape, substitute the relative germination potential, the relative germination rate, the relative fresh weight, the relative dry weight, the relative root length and the relative bud lengthinto a regression equation, calculate the aluminum toxicity tolerance coefficient, and judge the aluminum toxicity tolerance of the tested oilseed rape variety (line) according to the aluminum toxicity tolerance coefficient; and 7-8 days are only needed for the process from treatment to result calculation, so that the required time is short.

The invention discloses a variable compression ratio engine, and relates to the technical field of engines. The variable compression ratio engine comprises a control piston and a driving and locking mechanism, wherein the control piston and an air cylinder piston of the engine are arranged side by side, the control piston is configured to be capable of driving the air cylinder piston to move downwards or upwards when the control piston moves upwards or downwards so as to adjust the position of a top dead center of the air cylinder piston, and a clamping part is arranged on the control piston;and the driving and locking mechanism is arranged on one side of the control piston, an adjusting mechanism is provided with a movable part movably connected with the clamping part, and the movable part is used for driving the control piston to move upwards or downwards or mechanically locking the control piston to limit the control piston to move upwards or downwards. The variable compression ratio engine can solve the technical problem that the adjusting speed of the compression ratio of an existing engine is low.

The invention discloses a method for rapidly determining the titanium content of a titanium alloy blue corrosion solution. The method comprises the following steps: removing nitric acid and hydrofluoric acid by sulfuric acid, reacting tetravalent titanium with hydrogen peroxide in a sulfuric acid medium to form a yellow complex, and carrying out absorbance determination, wherein vanadium interference is eliminated by using a fluorine-containing medium as a reference. Compared with other analysis methods, the method based on hydrogen peroxide spectrophotometry has the advantages of simple control condition requirements, short time, rapid completion of analysis under basic conditions without placement, low sensitivity, realization of the determination of titanium with a wide content range when applied to bath solution analysis, and stability.

The invention relates to a preparation device and method of skin cell suspension liquid. The preparation device comprises a preparation device shell, an operation table arranged on the preparation device shell, a first filter and a second filter, wherein a digestion tank, a washing tank and a suspension liquid preparation tank are arranged on the operation table; the digestion tank is used for digesting skin tissues; the washing tank is used for washing the digested skin tissues; the suspension liquid preparation tank is used for preparing the skin cell suspension liquid; the first filter andthe second filter are detachably arranged in the digestion tank and the suspension liquid preparation tank respectively; each of the first filter and the second filter comprises an outer sleeve and aninner core barrel; and the outer sleeves annularly sleeve the inner core barrels. By means of the device, a clinician can rapidly and efficiently prepare the skin cell suspension liquid in an operating room, the skin cell suspension liquid is directly used for treatment of skin defect diseases, complex laboratory personnel and equipment are not needed, the operation process is simple and rapid, and the risk of microbial contamination of bacteria and the like is greatly reduced.

The invention discloses an image recompression detection method suitable for rail transit. The method comprises the steps of header file quantization table modification, JPEG image decompression, feature extraction, detector training and result analysis. Aiming at the JPEG recompression problem in the existing rail transit image detection technology, the quantization table in the JPEG header file is artificially modified, the decompression process of the JPEG image is intervened, the generation of truncation errors is reduced, the corresponding post-processing neural network is designed, and the effectiveness of feature extraction is improved, so that the precision of the JPEG recompression detection method is improved, and the accuracy of the JPEG recompression detection method is improved. And rapid identification and detection of the intelligent gate in rail transit are facilitated.