60results about How to "Solve the problem of serious loss" patented technology

The invention discloses a planting method for tea-oil trees. The method comprises the following steps of: (1) selecting soil and an area, building horizontal steps on a slope around a mountain, digging drainage ditches on the inner sides of the steps, and digging pits at fixed points according to a planting distance, wherein the pits are arranged to form delta shapes; (2) after the pits are dug, properly applying garbage tankage, rice straws, dicranopteris pedata and farmyard manure, wherein base fertilizers are required to be deeply applied; (3) during the blossoming of the tea-oil trees, marking early blossoming type plants of a selected tea-oil tree variety, selecting high-yield and high-premonition plants from the marked plants when fruits are matured in the next type, and picking mature and full tea-oil tree seeds; (4) sowing the seeds from every early November to February of the next year, wherein germination is accelerated and the seeds are sown after the seeds are sterilized; (5) after the seeds come up, selecting seedlings, and filling gaps with the seedlings; and (6) after the tea-oil trees are fruited, applying the farmyard manure and a compound fertilizer or a phosphate fertilizer, a potash fertilizer and urine in every May to July. The problems of irrational structure of a planting structure, low oil yield, shortage of scientific management and the like of the conventional tea-oil tree planting process are solved.

The invention relates to the technical field of wastewater treatment and particularly discloses a treatment method of organic wastewater. The treatment method comprises steps as follows: the organic wastewater and ozone enter a reactor for a reaction, and the reactor is sequentially filled with a catalyst A and a catalyst B according to the contact sequence with the organic wastewater. The methodadopts a simple process, is good in stability and high in COD removal capability and can solve the problem about metal loss.

The invention relates to an electrolysis cell in the metallurgy field, in particular to a bottom cathode diversion type rare earth electrolysis cell which is suitable for improvement and development of a rare earth electrolysis cell. In the invention, cathodes are arranged just below anodes, the bottom of each anode is an arc concave surface, the top part of each cathode is an arc convex surface, the arc concave surface of each anode is arranged corresponding to the arc convex surface of each cathode, the cathodes are arranged in parallel, a diversion cell is formed at the connecting part of the cathodes, a high temperature insulating layer is arranged between the cathodes and a graphite crucible, and a cathode conductive bar is arranged below the cathodes. In the invention, a novel cathode and anode structure is designed, the requirement of high current density of the cathode and low current density of the anode in the electrolysis process because rare metals are all lively is met, the residence time of electrolysis metal drops in an electrolysis region is reduced by adopting a diversion type cathode structure, the secondary oxidation of the metals can be effectively reduced, the metal yield is improved, mature wiring mode and technology of the traditional electrolysis cell are effectively utilized by adopting the bottom cathode arrangement mode, and the generalization and macro-scale of the cell type are facilitated.

The invention discloses an electromagnetic energy feeding damper for a mine car, which is improved based on a traditional dual-drum oil-gas damper. A main transmission shaft with a lead screw threaded pair is arranged outside the cylinder body of a hydraulic damper, and a ball screw shell matched with the main transmission shaft is arranged outside the main transmission shaft. The main transmission shaft is driven to rotate by the vibration of the hydraulic damper, speeding is performed by the transmission of a clutch gear, the bidirectional non-related rotation caused by the vibration is dissolved to the two groups of unidirectional rotation without interference, finally the rotation is integrated, and continuity and stability in rotation are enhanced, magnetic lines are cut by a rotor which is continuously unidirectionally rotated to generate power, the conversion efficiency of the vibration energy is improved and the problem of the severe loss of a power generator is solved.

The invention discloses a switching circuit of a phase shift and limited bipolar control manner and a control method of the switching circuit of the phase shift and limited bipolar control manner. The switching circuit comprises a digital signal processor (DSP) circuit, an output voltage and current feedback circuit, a pulse-width modulation (PWM) driving switching circuit, a PWM driving circuit and a full-bridge power circuit. The DSP circuit is respectively connected with the output voltage and current feedback circuit, the PWM driving switching circuit and the PWM driving circuit. The full-bridge power circuit is respectively connected with the output voltage and current feedback circuit and the PWM driving circuit. The PWM driving switching circuit is further connected with the PWM driving circuit. The control method comprises that whether a phase shift control manner or a limited bipolar control manner is used is judged by the DSP circuit according to output power. The switching circuit of the phase shift and limited bipolar control manner and the control method of the switching circuit of the phase shift and limited bipolar control manner solve the problems that the full-bridge power circuit has ring current, is serious in insulated gate bipolar translator (IGBT) heating, small in range of soft switching and the like under phase shift control while load is heavy, and are capable of avoiding the problem that the full-bridge power circuit is large in consumption under the limited bipolar control when load is empty and light.

The invention relates to the field of medicines, and in particular relates to a method for preparing dapoxetine hydrochloride. The method comprises the following concrete steps: (1) by taking chiral L-phenylalanine hydrochloride as a starting material, and reducing by adopting a reducing system to obtain an intermediate II; (2) performing Eschweiler-Clark reaction on the intermediate II and paraformaldehyde or formaldehyde to obtain an intermediate III; and (3) performing Williamson aethrization reaction on the intermediate III and 1-naphthaline to obtain the dapoxetine hydrochloride. According to the invention, chiral L-phenylalanine hydrochloride is used as the raw material, so resolution of a product is avoided, the raw material is easily obtained and relatively low in price, conventional equipment can meet production requirements, expensive and virulent reagents are not used, reaction conditions are mild, pollution is little, control is easy and industrialized production is facilitated.

The invention relates to the technical field of wastewater treatment and particularly discloses a catalytic wet oxidation treatment method of organic wastewater. The treatment method comprises steps as follows: the organic wastewater and an oxidizing agent enter a reactor for a reaction, and the reactor is sequentially filled with a catalyst A and a catalyst B according to the contact sequence with the organic wastewater. The method adopts a simple process, is good in stability and high in COD removal capability and can solve the problem about metal loss.

The invention discloses a refrigerator. A refrigerating chamber and a freezing chamber are defined in a box body; and a drawer which can be pushed inwards and pulled outwards is arranged in the freezing chamber, and comprises a left drawer positioned on a left side and a right drawer positioned on a right side. According to the refrigerator in the embodiment of the invention, the freezing chamber is partitioned into a plurality of rooms provided with drawers; due to the design of the plurality of rooms, articles are convenient to store and take, the problem of difficulty in finding placed objects when the drawers are used separately is solved, and the problem of severe heat loss caused by the opening of a door body when the door body is used separately is solved; and a variable-temperature region is formed among the plurality of rooms, so that the temperature ranges of different rooms can be set according to different articles placed in the rooms, and preservation of articles in the refrigerator is facilitated.

The invention relates to an anti-scouring and high-persistence pesticide microsphere and a preparation method thereof, wherein the wax layer and the micro / nano composite structure on the plant leaf surface can be effectively utilized, and the retention and the rain wash resistance of pesticides on the plant leaf surface are improved through a novel reasonable scientific means so as to provide theimportant significance in the improvement of the utilization rate of pesticides and the improvement of the current serious pesticide loss situation. According to the invention, a series of pesticide microspheres with special topological morphology are fitted, and the topological complementary effect of the pesticide microspheres and the crop leaf surface micro-nano structure is utilized to enhancethe retention behavior of the pesticide on the plant leaf surface; the results of a series of characterization experiments on the morphology, the slow release property, the universality, the persistence and the erosion resistance of the pesticide microspheres prove that the pesticide microspheres can wrap pesticides, such that the persistence and the erosion resistance of pesticides on plant leafsurfaces can be remarkably enhanced by utilizing the complementary structure of the microspheres and the crop leaf surfaces; and the preparation method can be used for various insecticides, bactericides, foliar fertilizers and plant growth regulators, and has high universality.

The invention discloses a driving and variable load test device for a high-speed constant-pressure variable displacement piston pump. The driving and variable load test device comprises the high-speedconstant-pressure variable displacement piston pump, a driving motor and a power feedback motor; the driving motor is a double output shaft motor, one end of the driving motor is connected with a driving shaft of the high-speed constant-pressure variable displacement piston pump, and the other end of the driving motor is connected with an output shaft of the power feedback motor; and mechanical energy output by the driving motor is transmitted to the high-speed constant-pressure variable displacement piston pump, the mechanical energy is converted to hydraulic energy by the high-speed constant-pressure variable displacement piston pump and transmitted back to the power feedback motor, and the hydraulic energy is converted to the mechanical energy by the power feedback motor and is transmitted to the driving motor.

The invention discloses a drying calcining treatment system of drilling well waste mud. The system comprises a rotary type drying calcining device, a rotary driving mechanism and a rotary support mechanism, wherein the rotary type drying calcining device passes through the rotary driving mechanism and the rotary support mechanism, the drying end of the rotary type drying calcining device is provided with a raw material feeding system and a drying heat-supplying device, the calcining end of the rotary type drying calcining device is provided with a pulverized coal burner and a screw conveyor, the rotary type drying calcining device is inclined, the drying end is higher than the calcining end, the gas outlet of the drying heat-supplying device is connected with the hot wind inlet of the rotary type drying calcining device, the burning end of the pulverized coal burner extends into the calcining end, and the middle part of the rotary type drying calcining device is connected with a dust removal purification system. The system is quick, high efficient, convenient and low dissipative, the treatment of the drilling well waste mud does not need the secondary treatment, the treated ultimate products can be used as recycling materials and the pollution problem of the drilling well waste mud is thoroughly solved.

The invention relates to an electrolysis cell in the metallurgy field, in particular to a bottom cathode diversion type rare earth electrolysis cell which is suitable for improvement and development of a rare earth electrolysis cell. In the invention, cathodes are arranged just below anodes, the bottom of each anode is an arc concave surface, the top part of each cathode is an arc convex surface,the arc concave surface of each anode is arranged corresponding to the arc convex surface of each cathode, the cathodes are arranged in parallel, a diversion cell is formed at the connecting part of the cathodes, a high temperature insulating layer is arranged between the cathodes and a graphite crucible, and a cathode conductive bar is arranged below the cathodes. In the invention, a novel cathode and anode structure is designed, the requirement of high current density of the cathode and low current density of the anode in the electrolysis process because rare metals are all lively is met, the residence time of electrolysis metal drops in an electrolysis region is reduced by adopting a diversion type cathode structure, the secondary oxidation of the metals can be effectively reduced, themetal yield is improved, mature wiring mode and technology of the traditional electrolysis cell are effectively utilized by adopting the bottom cathode arrangement mode, and the generalization and macro-scale of the cell type are facilitated.

The invention discloses an electric heating full fiber trolley furnace. The electric heating full fiber trolley furnace comprises a trolley furnace main body, an upper sliding furnace door, a cast steel furnace bottom plate, a furnace wall heating center and a furnace blower. The outer wall of the trolley furnace main body is tightly attached with a section steel shell, the outer wall of the mainbody of the trolley furnace is closely attached with a full fiber lining, the bottom of the trolley furnace main body is welded with wall feet, the front part of the trolley furnace main body is movably connected with the upper sliding furnace door, and the internal activity of the main body of the trolley is connected to the bottom of the cast steel furnace. The electric heating full fiber trolley furnace is closely attached with an all-fiber lining on the inner wall of the main body of the trolley furnace. Because the fiber is a substance which has low weight, poor thermal conductivity but good heat storage, so when the trolley furnace working, the all-fiber lining can lock the heat generated inside the trolley furnace to prevent the heat from spreading. The use of less electric energy can bring higher heat to the trolley furnace and solve the problem that the heat of the trolley furnace in the past is severely dissipated, resulting in serious waste of electric energy.

The invention relates an application of a high speed centrifugation separation technology in traditional Chinese medicine extraction. The application comprises: carrying out crude extraction on traditional Chinese medicine raw materials, wherein a crude extracting solution is condensed into per ml of medicine liquid containing 0.5-3 g of a clear pastet; and adopting a high speed centrifugation method to carry out centrifugation on the clear paste at a rotation speed of 10,000-20,000 r / min, taking a supernatant, and carrying out spray drying to obtain active ingredients of the traditional Chinese medicine. According to the application, the crude extraction comprises adopting reflux, boiling, cold soaking, percolation, ultrasound, microwave and other methods to carry out crude extraction on the traditional Chinese medicine raw materials, wherein the traditional Chinese medicine raw materials can be raw materials containing one or more than two active ingredients selected from a polysaccharide, flavone, saponin, anthraquinone, alkaloid, saponin, an organic acid, anthrone, coumarin, lignanoid, terpene and hemiterpene; and the high speed centrifugation method is adopted to extract the active ingredients in the traditional Chinese medicine raw materials so as to reduce production cost, shorten an extraction time, and reduce medicine ingredient loss, such that the method is a highly efficient method.

The invention discloses black corn ear brewed wine rich in anthocyanin. The black corn ear brewed wine is prepared through the following steps that 1, primary fermentation is conducted, wherein bractsof black corn ears are removed, the black corn ears are smashed to obtain a mixture of corn and corncobs, water is added, activated yeast is inoculated, and fermentation is conducted after the pH isadjusted to be 4.0-5.0; when the sugar content reaches 4-8% (by weight percent), and the alcoholic strength reaches 8-12%, filtration is conducted to obtain fermentation liquor; 2, after fermentationis conducted, wherein at the temperature of 15-20 DEG C, fermentation is conducted for 15-25 days to obtain raw black corn liquor; 3, the filter residues obtained after filtration in the first step are soaked with edible pure alcohol and filtered to collect filter liquor; 4, the alcoholic strength of the raw black corn liquor is adjusted to be 40-60% with the filter liquor obtained in the third step, and the black corn ear brewed wine rich in anthocyanin is obtained. The brewed wine contains a lot of anthocyanin, the nutrition and health care value is improved, and the problem that in the block corn threshing process, the anthocyanin loss is high is solved.

The invention discloses a preparation method of quick-frozen Lycium barbarum. The method is characterized by comprising the following steps: cooling ice water; draining; quick-freezing. The prepared quick-frozen Lycium barbarum has bright red color, color consistency, no individual adhesion and uniform size; the preparation method effectively maintains the color and flavor of Lycium barbarum, and extends the storage period; and the bacterial colony count / g is less than or equal to 10000, and fecal coliform (MPN / 100 g) is less than 3. The preparation method of quick-frozen Lycium barbarum effectively solves the problem of serious effective component loss in storage process, retains the nutritional ingredients to the maximum and keeps the appearance and quality of the quick-frozen Lycium barbarum the same to the fresh ones, so as to ensure that people can always eat fresh Lycium barbarum.

The invention provides a microcapsule preparation method based on tobacco protein and tobacco polysaccharide gelatinization as well as application. A tobacco protein and tobacco polysaccharide microcapsule is prepared by taking natural proteins and polysaccharides in tobacco as an embedding wall material of tobacco extract. The microcapsule is applied to reconstituted tobacco by means of a paper-making process, so that the sensory quality of the reconstituted tobacco can be improved, and the problem that loss of volatile components in production and storage processes is severe is solved.

The invention provides a memory data refreshing method, a controller thereof and a memory. The method comprises the following steps: determining a target refresh row in data rows of the memory according to the running state of the controller, wherein the target refresh row comprises at least one data row; if the first refresh interval expires and the target refresh lines comprise first reserved lines, refreshing the first reserved lines in the target refresh lines; the first retention behavior is a data row of which the data storage duration is less than a preset duration in the memory; the first refresh interval is a refresh interval of the first reserved row. The method provided by the invention solves the problems of serious energy loss and delayed data access in the DRAM refreshing process in the prior art.

A related filler processing technology comprises the following steps: providing a polyacrylamide emulsion with the concentration of 0.1%-2% and the viscosity of 180 cps-230 cps and the polyacrylamide molecular weight scope of 3 million-5 million; and mixing the polyacrylamide emulsion with a filler to pretreat the filler, and keeping the average particle size of the pretreated filler particles at 8-32 mu m. The invention also relates to a papermaking technology. Compared with the prior art, the above filler processing technology and the papermaking technology help to improve the filler retention rate and also substantially reduce wear of the filler particles on a paper machine molding net.

The invention relates to a method for using flood in dry land. A fixing belt and a buffer layer belt of the green plants are built on the upstream face of an earth dam; at least one cellar is dug in the intercepting area formed by the earth dam; a layer of planting bed is set in the intercepting area; a planting basket is installed on the planting bed; the soil with seeds is filled in the planting basket; the flood can be stored in the cellar; when the soil is dry, the plants in the fixing belt and planting basket of the green plants are sprayed by pumping. The method can use the flood in the sol transformation of the dry land effectively and solve the problem of serious water and soil loss of the dry land; the method is designed according to the special landform of the dry land; a new concept is provided for comprehensive utilization of silt arrester and water resource in the dry land; and the exploitation and utilization of the flood resource is in a new height.

The invention discloses a field facility reforming method for comprehensive planting and breeding of a procypris merus rice field. The method comprises the following steps of 1, trimming a rice fieldparcel of the rice field; 2, arranging a circle of field ridge at the periphery of the rice field; 3, digging a fish furrow and a fish pit in the rice field parcel; 4, erecting a melon and fruit shedat the top of the fish pit. The method mainly comprises the steps of field arrangement, field ridge hardening and reforming, fish furrow and fish pit design, anti-escape measures and melon and fruit shed building. Due to basic facility reforming, the comprehensive planting and breeding yield for the procypris merus rice field is increased, the purposes of dual-purpose water, multi-harvesting in one field, stable grain, increased effect and win-win of grain and fish are achieved, and industrial planting and breeding sustainable development for comprehensive planting and breeding of the rice field is promoted.

The invention relates to the technical field of waste water treatment, and particularly discloses an organic waste water treatment process. The treatment process comprises the following steps: a rotating bed reactor is taken as reaction equipment, wherein a casing of the rotating bed reactor comprises an inner rotating bed and an outer rotating bed; organic waste water is taken as a raw material and subjected to oxidation reaction in the presence of ozone; the inner rotating bed comprises a corrosion-resistant frame and a catalyst A, and the outer rotating bed comprises a corrosion-resistant frame and a catalyst B. The treatment process is simple process and good in stability, the COD (chemical oxygen demand) removal capacity is high, and the problem of metal loss can be solved.

The invention discloses an activating and regenerating method for preparing a sulfur catalyst from SO2. The method mainly comprises the following steps: firstly, removing sulfur solids accumulated on the surface of a catalyst; secondly, removing solid impurities which cannot be burnt off in the catalyst by a cyclone separator; thirdly, using a solution containing active metal components in the catalyst to impregnate or not impregnate the catalyst; fourthly, calcining the catalyst in the inert gas atmosphere; finally, vulcanizing the catalyst by using a sulfur-containing substance, thereby recovering the activity of a deactivated catalyst. The method has the characteristic that the regeneration activity of the catalyst is high; the problems of high heat release amount and serious loss of active components in the regeneration process of the catalyst are effectively solved; the loss of a carrier is effectively reduced, repeated use times of the catalyst are remarkably increased, and the cost is reduced; in addition, the operation process is simple, multiple steps can realize in-situ activation, and the cost of industrial large-batch catalysts is controlled.

The invention discloses a beneficiation method for airflow classification of garnet ore with the uneven disseminated grain size. The method includes the steps that raw ore is crushed with a crushing machine until the grain size is not larger than 2mm, closed-circuit ore grinding is conducted through a rod mill until all the raw ore passes through a standard sieve of 0.6-1.2mm, and thus well-groundraw ore can be obtained; the well-ground raw ore passes through a standard sieve of 0.11-0.18mm, and over-sieve coarse graded mineral and under-sieve fine graded mineral are obtained; the over-sievecoarse graded mineral is subjected to low-intensity magnetic separation so that strongly-magnetic mineral can be removed, then strong magnetic separation is conducted, and a coarse grain garnet concentrate product is obtained; and fine silt of the under-sieve fine graded mineral is removed at first, then ore pulp is made, a pH regulator, an activator and a mixed collector are added into the ore pulp for flotation, and thus a fine grain garnet concentrate product can be obtained. By adoption of the beneficiation method, the interference to coarse graded garnet magnetic separation by the fine graded mineral can be reduced, the concentrate quality of coarse grain garnet is improved and the overall recovery rate of garnet concentrate can be effectively increased.

The invention discloses a switching circuit for switching power supply control modes and a control method for the switching circuit. The switching circuit for the switching power supply control modes comprises a digital signal processor (DSP) circuit, an output voltage and current feedback circuit, a pulse width modulation (PWM) driving switching circuit, a PWM driving circuit and a full-bridge power circuit, wherein the DSP circuit is connected with the output voltage and current feedback circuit, the PWM driving switching circuit and the PWM driving circuit respectively; the full-bridge power circuit is connected with the output voltage and current feedback circuit and the PWM driving circuit respectively; and the PWM driving switching circuit is also connected with the PWM driving circuit. When the full-bridge power circuit is electrified to work, a bipolar control mode is adopted, and the DSP circuit judges whether the bipolar control mode or a finite bipolar control mode is adopted according to output power. According to the control method, the two control modes are switched, so that the problem of great loss under the finite bipolar control mode when the full-bridge power circuit is lightly loaded and unloaded is solved.

The invention relates to the field of purification and impurity removal of waste power battery lixiviums, in particular to a defluorination method of a lithium ion battery positive electrode material lixivium and application. The defluorination method comprises the following steps: mixing a positive electrode material, an acid solution and a reducing agent, carrying out a reduction acid leaching reaction, and carrying out solid-liquid separation to obtain a positive electrode lixivium; mixing the positive electrode lixivium with carbonate, carrying out flocculent precipitation, and then carrying out solid-liquid separation to obtain a first defluorination solution; and uniformly mixing the first defluorination solution with a flocculating agent, then adding the carbonate into the mixture, carrying out flocculent precipitation, and then carrying out solid-liquid separation to obtain a second defluorination solution, wherein in the step (b) and the step (c), the pH value of the mixed material is 4-6 in the flocculent precipitation process. According to the method, deep defluorination is realized, and meanwhile, the use amount of the flocculating agent and the carbonate is reduced to the greatest extent; the loss rate of Ni and / or Co and / or Mn is greatly reduced; and operation is simple, period is short, and cost is low.

The machining method comprises the step of forming a center hole, specifically, a horseshoe-shaped hole of a horseshoe-shaped tool body is matched with a horseshoe-shaped table of a bar, and the center hole A and the center hole B which are concentric are machined in the two ends of the bar with the center axis of the large-diameter outer circle of the horseshoe-shaped tool body as the axis. After the horseshoe-shaped hole of the horseshoe-shaped tool body is matched with the horseshoe-shaped table of the bar, the center of the large-diameter outer circle of the horseshoe-shaped tool body coincides with and is concentric with the circle center of the rod part through hole of the crank pin to be machined later, and a center hole A and a center hole B which are concentric are machined in the two ends of the bar. And lathing the rod part of the crank pin on a lathe by taking the center of the central hole A and the center of the central hole B as the axis in the later stage, and machining and forming the head part and the head part eccentric hole by taking the axis of the rod part as the reference. And the problem of serious material loss of the processing mode is solved.

The invention relates to the technical field of food processing, in particular to a production method of orange peel sauce. The method comprises the steps of carrying out enzyme deactivation treatment on oranges, peeling, selecting, carrying out alkali leaching, rinsing, precooking, dehydrating, selecting for the second time, pulping, blending, canning and sterilizing. The method can be adopted to effectively solve the problem that the loss of active ingredients of orange peel is serious during preservation and maintain nutrients in the orange peel to the utmost extent, and is beneficial to later processing and utilization.

The invention relates to a method for synthesizing valeraldehyde by hydroformylation of butene, more specifically, the invention provides a heterogeneous catalytic method supported by a phosphine-containing organic polymer for synthesizing valeraldehyde by hydroformylation of butene. It is characterized in that the liquid butene is metered by an electronic metering balance and the synthesis gas continuously enters the reactor, and the hydroformylation reaction is carried out under the heterogeneous catalyst supported by the phosphine-containing organic polymer, and the generated product valeraldehyde continuously flows out of the above reactor, And then realize the separation and continuous production with the above-mentioned catalyst. The method of the present invention has high catalytic activity, good product selectivity (there is almost no butane in the product, and the molar ratio of n-valeraldehyde / isovaleraldehyde can reach 2-65), and the catalyst has good stability, and the product and the catalyst can be realized simply The characteristics of excellent performance such as separation, and then realize the low-cost industrial production of butene hydroformylation reaction products, and provide new ideas and technical guidance for the industrialization of butene hydroformylation reaction.