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

The invention discloses a preparation method for a metallic oxide spherical cascade structure, and belongs to the nano / micron microstructural materials and preparative techniques thereof. The metallic oxide spherical cascade structure refers to a micron-scale spheroidal particle structure formed by metallic oxide powder with a particle size of dozens of nanometers. The preparation method comprises the steps that the metallic oxide powder is mixed uniformly with polyethylene glycol through a ball-milling method, and metallic oxide and polyethylene glycol mixed powder is obtained; slurry is prepared with the powder, stirred uniformly, and dried on a substrate to obtain a film or a bulk; and organic matters are removed through calcination, and a film or a bulk with the metallic oxide spherical cascade structure. The preparation method has the characteristics of capacity of preparing the metallic oxide spherical cascade structure, homogeneous ball particle size, various types of applicable oxide particles, low cost, easiness in operation, no pollution, high output, no requirement for complex equipment and device, capacity of fast production in batch, and the like.

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 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 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 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 method for detecting sensibility of brown planthopper to medicament. The method comprises following steps: A, medicament preparation: nitenpyram original medicine is dissolved by acetone to be prepared into pesticide mother solution, and the mother solution is dissolved by acetone to be prepared into liquor; B, a certain amount of liquor is absorbed to be placed into a glass bottle to be rolled evenly, susceptibility determination of liquor is performed after the acetone is evaporated fully, comparison medicament is processed by acetone, and comparison is repeated for 3 to 4 times; C, third instar nymphs of brown planthopper are placed into the prepared glass bottles with medicine films, death rate is checked after 90 min, and the brown planthopper which can not move is determined to be dead; D, the death rate of a matched group is smaller than 5%, which proves that an experiment is effective; E, the sensibility of brown planthopper to medicament is judged as per the adjusted mortality ratio after 90 min of the brown planthopper in the glass bottles with medicine films, in other words, if the adjusted mortality ratio is larger than 90%, which shows that the brown planthopper is sensitive to the medicament. The method is simple, easy to implement, and convenient to operate, solves the problems of complex operations and large workload of an impregnation method and a drop method of rice stem, and can finish detection in field quickly.

A fast locking device for tent crossbars solves the problem that there are many steps in the erection of the tent frame of the existing large tent. The erection process is to insert and connect the tent frame rods one by one. The problem of use includes the device body, the bottom of the device body is provided with a first block, the middle part of the top of the first block is provided with a first arc-shaped groove, and the two sides of the middle part of the first arc-shaped groove are respectively provided with a second block. One card slot and the second card slot, one end of the top of the first block is welded with a fixed erbium, the top of the fixed erbium is installed with a push-pull mechanism through the first fixed shaft, one end of the push-pull mechanism is connected with a push-pull rod, and the top of the first block is fixed The inner side of the erbium is welded with a first mounting block, and the top of one end of the first mounting block is installed with a lifting rod through a second fixed rotating shaft. The present invention has a novel structure and ingenious concept, and can quickly lock and disassemble the cross bar, and is easy to operate. It takes a short time and is conducive to popularization and use.

The invention relates to a cleaning device, and especially relates to a mouth mask cleaning device. A technical problem to be solved is to provide a mouth mask cleaning device which automatically cleans a mouth mask, and required time is relatively short and cleaning effect is good. In order to solve the above technical problem, the invention provides the mouth mask cleaning device, including an N-type frame, a first connecting rod, a box, a dewatering mechanism, and a water outlet pipe. The first connecting rod is connected between inner side bottoms of the N-type frame. The top of the firstconnecting rod is provided with the box. The dewatering mechanism is arranged in the box. An inner top wall of the N-type frame is provided with a striking cleaning mechanism. The left side of the bottom of the box is provided with the water outlet pipe. The water outlet pipe is provided with a valve. Through cooperation of the dewatering mechanism and the striking cleaning mechanism, a mouth maskis fully cleaned, and meanwhile using optimization of a lifting mechanism and a drying mechanism, effects of automatic mouth mask cleaning, short required time, and good cleaning effect are achieved.

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 invention discloses an electric energy transmission bus system suitable for high-altitude areas, including a collector, a signal processor, a filter unit, a signal conversion unit, a signal monitoring unit, a central processing unit, a signal correction unit, a signal stabilization unit and a signal Output unit, circuit switching switch, dynamic harmonic correction device, reactive power compensation device. The invention can reasonably configure the power grid, adaptively perform active or reactive power compensation, reduce the loss of the power grid, improve the transmission quality of the power grid, ensure the continuity and stability of power transmission, and avoid the waste of electric energy; solve the inconvenience of transportation in plateau areas , the geographical environment is complex, which brings great difficulties to maintenance and high maintenance costs. It can also realize intelligent supervision control and configuration of power transmission, effectively promote the automation and intelligent management of reactive power compensation devices, and achieve energy saving. The purpose of reducing consumption and improving the economic benefits of power transmission.

The invention provides a method for extracting nucleuses of mature leaves of fruit trees suitable for flow cytometry analysis. In the method, a nucleus extracting solution comprises the following components: 15 to 20mmol / L Tris, 40 to 60mmol / L KCl, 10 to 20mmol / L NaCl, 2 to 5mmol / L Na2EDTA (ethylene diamine tetraacetic acid), 10 to 20mmol / L MgSO4, 40 to 50mmol / L cane sugar, and 0.5 to 1.0 percent Triton X-100; ddH2O is added until the volume is 200ml; and after the pH is regulated to be 7.5 to 8, 200mu liters of 15mmol / L mercaptoethanol is added. The method has wide ranges of applicable varieties and material species, the prepared nucleuses have high purity, the extraction process needs short time, nucleus degradation is prevented, the flow cytometry analysis is facilitated, and the peak of an acquired flow map is thin and high and little influenced by impurity peaks, so that the DNA (deoxyribonucleic acid) ploidy of a plant to be detected can be easily judged.