516results about How to "Play an inhibitory role" patented technology

The invention discloses a silicon-oxygen composite negative electrode material which is used for manufacturing a negative electrode of a lithium battery; the negative electrode material comprises an inner core, a coating layer and a middle layer, wherein the coating layer wraps the inner core, and the middle layer is positioned between the inner core and the coating layer, wherein the middle layercomprises non-lithium silicate, and the non-lithium silicate refers to non-lithium silicate, wherein the mass content of the non-lithium silicate in the middle layer is gradually decreased from the middle layer to the inner core. The decrementing comprises a gradient reduction from the middle layer to the inner core, and the gradient reduction refers to the fact that the mass-duty ratios on the circumference parts which have the same central distance from the inner core are the same, and when the distance from the center of the inner core is reduced, the mass-duty ratio is reduced step by step. The non-lithium silicate is generated in situ on the outer layer of the inner core, and has a non-water-soluble or non-alkaline or weakly alkaline compact structure, so that the dissolution of theinternal water-soluble lithium silicate can be effectively relieved; and the pH value of the ghost-eye composite negative electrode material can be lowered.

The invention discloses a rice field ditch integrated ecological high-value rice and soft-shelled turtle planting and breeding method which comprises the following steps: 1, ruralizing a rice field and installing fences; 2, plowing the rice field; 3, transplanting rice; 4, putting soft-shelled turtles in the rice field and raising the soft-shelled turtles; 5, conducting field management; and 6, harvesting the rice and the soft-shelled turtles in good time. The method has the advantages that: 1, the foundation works of the rice field is optimized without reducing the area of the rice; 2, the foundation works of a rice ditch is optimized without destroying the structure of the rice field; 3, the landscape of the rice field is optimized to provide a good growth environment for the soft-shelled turtles; 4, a ladder type culture method is adopted to increase the planting and breeding density; and 5, the economic benefit of the rice field in a unit area is greatly increased.

The invention relates to the field of aquaculture and discloses a probiotic preparation and a preparing method and application thereof. The probiotic preparation is prepared from bacillus, lactic acidbacteria, saccharomycetes and photosynthetic bacteria through liquid fermentation. The bacillus consists of bacillus subtilis and bacillus natto. The lactic acid bacteria consist of lactobacillus plantarum, lactobacillus acidophilus and lactobacillus casei. The saccharomycetes consist of candida utilis and saccharomyces cerevisiae. Rhodopseudomonas palustris severs as the photosynthetic bacteria.According to the probiotic preparation, ammonia nitrogen and nitrite in an aquaculture water body can be effectively degraded, water body organic matter is decomposed, the pH value of the water bodyis adjusted, the content of dissolved oxygen of the water body is increased, and meanwhile, harmful pathogens in the aquaculture water body can further be inhibited; and in addition, the probiotic preparation can further improve the micro-ecological environment of intestinal tracts of aquatic animals, adjust balance of intestinal flora and inhibit the growth of harmful bacteria, thus nutrient absorption is increased advantageously, and the feed utilization rate is increased.

The invention proposes a method used for generating a high dynamic range image with a single low dynamic range image. The method comprises the steps that based on the human visual characteristics, the luminance component and the chrominance component of the low dynamic range image are separated; gamma correcting and edge-preserving filtering are carried out on the luminance component; the basic layer of the luminance component is extracted; traverse operating is carried out on the basic layer and the luminance component to acquire the detail layer of the luminance component; an anti-tone mapping function is constructed; anti-tone mapping operation is carried out on the detail layer and the gamma-corrected luminance image to acquire the respective anti-color collimated image; the luminance component after anti-tone mapping and the detail layer are merged to acquire a new luminance component; the chrominance component and the new luminance component are merged; and contrast stretching and denoising are carried out on the merged image to acquire the final high dynamic range image. According to the invention, the high dynamic range image is acquired through the single low dynamic range image, and the method has the advantages of good processing effect, high operability and wide applicability.

The invention discloses a rapid coupling and positioning fixture for side vertical plates of a bogie, belonging to the field of welding positioning assistant devices for the side vertical plates of the rail car bogie. The rapid coupling and positioning fixture comprises compression components, component connection shafts, hydraulic devices, adjustment crankshafts, banking pins, bases, self-opening-and-closing adjustment blocks, positioning support racks, limiting pins, support components and a substrate, wherein two compression components, one component connection shaft, one hydraulic device, two adjustment crankshafts, one banking pin, one base, one self-opening-and-closing adjustment block, one positioning support rack, one limiting pin and one support component jointly form one small-angle self-opening-and-closing clamping and positioning device. According to the rapid coupling and positioning fixture, by utilizing cooperative work of the multiple groups of small-angle self-opening-and-closing clamping and positioning devices, multiple side beam vertical plates can be precisely positioned synchronously, so that working efficiency and positioning precision of welding coupling operation are improved, and an inhibition effect of welding anti-deformation is realized.

The invention provides anti-falling cement-based glue for tiles for an exterior wall. The glue is prepared from the following components in parts by weight: 40-50 parts of common silicate cement, 45-55 parts of fine aggregate, 3-8 parts of filler, 1-3 parts of redispersible powder, 0.2-1.0 part of cellulose ether, 0.2-0.8 part of a water reducer, 0.3-1.0 part of crack-resisting fiber, 0.05-0.25 part of an anti-sliding compound, 0.05-0.25 part of a porosity regulating compound, and 0.2-1.0 part of a set controlling compound. According to the anti-falling cement-based glue for tiles for the exterior wall provided by the invention, the anti-sliding falling performance of an adhesive for tiles is improved simultaneously from four aspects of improving the binding power, resisting shrinkage crack, resisting slippage and enhancing the weather resistance; the construction properties of the glue for tiles such as water retention, viscosity maintaining and the like can be remarkably improved, the original adhesive strength of the glue for tiles can be effectively enhanced, and the tensile bond strength of the glue for tiles if the glue for tiles is soaked in water, thermally aged and frozen and thawed can be improved to a great extent. The glue for tiles has good adaptability with other additives. The glue for tiles plays good roles of reducing water and increasing strength, reducing the cracking risk and optimizing the gap structure,

The invention discloses a hierarchical management method for cloud platform resource access authorities. The method comprises the steps of: dividing security levels of resources in a cloud platform, wherein the security levels are used for determining security protection strategies of different resources; determining content classes for the resources in the cloud platform; determining access authorities of a user to the resources according to the security levels and the content classes; and assigning one or more roles for the user from a role set according to the access authorities, wherein each of the one or more roles is used for determining the security level and content class which can be accessed by the user, and allocating dependency relations for the roles in the role set. The invention further discloses a hierarchical management system for cloud platform resource access authorities. The system comprises a security level division unit, a content class determination unit, an access authority determination unit, a role management unit and a hierarchical authorization management unit.

The invention discloses a method and a device for detecting a molten silicon liquid level of a monocrystalline silicon crystal pulling furnace. The method comprises the following steps: installing a liner laser and a camera at a viewing port of a single crystal furnace, and slantly irradiating a liner laser beam from the viewing port of the crystal pulling furnace onto a heat shield and a molten silicon liquid level, wherein the molten silicon liquid level performs mirror reflection on the laser beam irradiated thereon, a reflected light beam is projected onto the heat shield, and the projective light beam on the heat shield also can be projected onto the molten silicon liquid level. Along with change of the molten silicon liquid level, a contact point of the laser beam and the molten silicon liquid level also changes, so that the distance from the reflected light beam on the heat shield to the projection on the molten silicon liquid level also changes, therefore, positions of pixels of the light beam received by the camera are changed; actual liquid level change information can be obtained by calibrating position change of a pixel between two projection points on an image and the actual position change of the molten silicon liquid level.

The invention discloses a feed mould inhibitor belonging to the technical fields of feed science and feed additives. The feed mould inhibitor contains glycerol monolaurate, sodium dehydroacetate, calcium propionate and carriers. The feed mould inhibitor of the invention has the characteristics of small additive amount, reduction of cost, safety, reliability, stable quality and no influence on animal palatability. When the feed mould inhibitor is used for inhibiting mould in feed, the feed mould inhibitor has good moisture resistance, good heat resistance and smaller influence of the pH value and has the effect on efficiently inhibiting and sterilizing microorganisms such as bacteria, fungi and the like in the feed. The mould inhibiting effect of the feed mould inhibitor of the invention is superior to the mould inhibiting effect of other conventional single mould inhibitors.

The invention discloses a Hf (Ta) C ultra-high-temperature composite coating, which consists of HFC with HfTaC2, wherein the molar fraction of HfTaC2 is 6-50 percent, and the HfTaC2 is distributed in the coating uniformly or in a gradient way. The preparation method comprises the steps of: placing a surface-treated substrate material into a low-voltage chemical vapor deposition furnace, and usingmixed powder of hafnium tetrachloride and tantalum pentachloride as a hafnium source and a tantalum source, methane as a carbon source, argon as a diluent gas and hydrogen as a reducing gas; and delivering the mixed powder into a reactor of the deposition furnace, and preparing the Hf (Ta) C ultra-high-temperature composite coating by surface deposition on the substrate material. Limitations of asingle coating in ablation can be overcome, advantages of all phases of the coating can be fully utilized, and requirements for long-time high-temperature protection of the substrate material can be satisfied. The process is simple and convenient to operate, the prepared coating is well combined with the substrate, no interlayer cracks or penetrating cracks can be produced, and the thermal shock resistance and ablation resistance are excellent. The Hf (Ta) C ultra-high-temperature composite coating is suitable for surface coating and high-temperature protection of carbon / carbon composite materials, carbon / ceramic composite materials, graphite, carbide ceramics and other materials.

The invention provides a rhodopseudomonas palustris strain, a bacterial agent, a preparation method of the bacterial agent, extracelluar protein as well as an extraction method and application of the extracelluar protein. The rhodopseudomonas palustris strain is rhodopseudomonas palustris LY-6 which is preserved in China Center for Type Culture Collection; the preservation number is CCTCCM2014525; the bacterial agent is prepared by activating rhodopseudomonas palustris strain, culturing seeds, producing, culturing and centrifuging. The invention also provides extracelluar protein which is extracted from the rhodopseudomonas palustris bacterial agent; the extraction method comprises the steps of precipitating and salting ammonium sulfate out, centrifuging, desalting by SephadexG-25 and carrying out SephadexG-25 column chromatography isolation; an extraction method of the extracelluar protein is simple, short in process and high in extraction efficiency; the extracelluar protein has in-vitro inactivation on tobacco mosaic virus.

The invention discloses a film formation drilling fluid applicable to a coal-bed gas well and a preparation method thereof. The film formation drilling fluid comprises the following components in percentage by mass: 0.1-0.3% of tackifying agent, 2.0-5.0% of film forming agent, 0.1-0.3% of coated flocculant, 0.2-5.0% of blocking agent, 1.0-10.0% of plugging agent, 0.05-0.2% of alkalinity regulator and the balance of water. By adopting the film formation drilling fluid disclosed by the invention, a low-permeability blocking layer can be quickly formed at the coal pore throat so as to prevent the fluid or solid phase from entering the coal bed, effectively prevent and slow down fluid loss and prevent the easily-hydrated substances in the coal cleat and crack from expanding, dispersing and polluting the reservoir stratum.

The invention discloses a combined resonance eliminating device suitable for a 4PT. The combined resonance eliminating device comprises a three-phase voltage transformer, a zero-sequence voltage transformer, a controllable switch KA and a microcomputer resonance eliminating device body. The primary side of the three-phase voltage transformer is in a star shape through connection, and the neutral point of the star shape is grounded through the primary side of the zero-sequence voltage transformer. The secondary side of the three-phase voltage transformer comprises a first winding and a second winding, one end of a triangular opening of the first winding of the secondary side is connected with the end 0 of the controllable switch KA, the other end of the opening is connected with the end 2 of the controllable switch KA, the second winding of the secondary side is in a star shape through connection, and the neutral point of the star shape is grounded through the secondary side of the zero-sequence voltage transformer. The microcomputer resonance eliminating device collects the voltage of the secondary side of the zero-sequence voltage transformer, and the power resistance output end is connected with the end 1 and the end 2 of the controllable switch KA and outputs a control signal of the controllable switch KA at the same time. The combined resonance eliminating device suitable for the 4PT is simple in structure, easy to control and capable of eliminating resonance of an ultra-low-frequency transformer.

The invention discloses an intelligent projection zebra crossing control method and an intelligent projection zebra crossing device, wherein a stop line and the projection of a zebra crossing are controlled according to the lighting states of a pedestrian traffic light and a road traffic light, and the position of the stop line projected by a stop line projector is controlled to be far and near from the center of an intersection according to the number of waiting pedestrians in a pedestrian waiting area on the left side of the advancing direction of a road; the projection of the zebra crossing is divided into a first zebra crossing and a second zebra crossing, the first zebra crossing and the second zebra crossing are respectively indicated by forward arrows with opposite projection directions according to a rule of moving forward to the right, and the width of the first zebra crossing and the width of the second zebra crossing projected by a zebra crossing projector are controlled according to the number of people waiting in pedestrian waiting areas on the left side and the right side of the road in the forward direction. According to the invention, the zebra crossing projection mode and the transverse width are adjusted to shorten the time for the pedestrian flow to go across the road, so that a certain improvement and guidance effect is achieved on the traffic condition.

The invention relates to a water base non-chrome zinc-aluminium coating and methods for preparing and using the same. The coating is prepared by proportionally mixing a component A and a component B; the component A contains 50-150g / L of lamellar metal powder, 145-290ml / L of organic solvent, 10-200ml / L of deionized water, 10-36ml / L of reducing agent and 5-15ml / L of wetting agent; and the component B contains 60-240ml / L of deionized water, 20-75ml / L of binding agent, 8-22ml / L of thickening agent, 4-8ml / L of silicon compound and the balance of the organic solvent. The method for preparing the water base non-chrome zinc-aluminium coating comprises the steps of: weighing the lamellar metal powder proportionally to be mixed uniformly, and then adding the organic solvent to be mixed uniformly for later use; mixing the reducing agent with the wetting agent, adding an appropriate amount of the deionized water to be mixed uniformly, and then adding the lamellar metal powder liquid to prepare the component A; proportionally weighing the thickening agent, the binding agent and the silicon compound, and adding the organic solvent to be mixed uniformly to prepare the component B; and mixing the prepared component A and the prepared component B according to the ratio of 2:1, and stirring unit uniform, thus obtaining the coating. The method for using the water base non-chrome zinc-aluminium coating is that the coating is coated on a part to be treated, and the baking temperature is increased to 360 DEG C so as to solidify and crosslink the coating to form a dense protective layer. The coating has the corrosion resistance which reaches 840 hours of a neutral salt spray test and over 96 hours of a heat resistance test, the usage amount of harmful substances is greatly reduced, and the working environment is improved.

The invention discloses an auto disturbance rejection control method for a space robot with actuator saturation. The method comprises the following steps: arranging a proper transition process for anexpected track and posture of a system by designing a tracking differentiator, and meanwhile, acquiring a differential signal with an expected value to make preparation for subsequent controller design; and designing a sampling expansion state observer by utilizing a discrete output signal, performing real-time estimation on the total non-linear uncertain items which are formed by the state of thespace robot system as well as coupling and external disturbance, and compensating the estimation values of the non-linear uncertain items into an error feedback control rate. By the method, adverse influence on the system by non-linear factors such as internal and external disturbance can be avoided, and the fact that an actuation mechanism implements accurate position and posture control on thespace robot within the saturation range can be guaranteed. The control strategy provided by the invention has a good control effect on the space robot system considering sampling output and with actuator saturation, and can be widely applied to other non-linear systems.

The invention discloses a biomass-charcoal-containing composting system and composting method. The biomass-charcoal-containing composting system mainly comprises the following raw materials in parts by weight: 92-110 parts of basic composting material, 0.3-0.5 part of microbial inoculant and 0.9-1.8 parts of biomass charcoal. The basic composting material comprises sludge and straws, wherein the sludge and straws are mixed, so that the carbon-nitrogen ratio of the basic composting material is 20-30, and the water content of the basic composting material is 50-70%. The method comprises the following steps: mixing the raw materials for constituting the basic composting material, adding the microbial inoculant and biomass charcoal into the basic composting material, and uniformly mixing to obtain the composting system. A three-step fermentation process is utilized to perform composting fermentation on the composting system for 28-32 days, thereby obtaining the biological compost.

The invention relates to an optical single-side band modulating device in the technical field of optical communication, which comprises an optical splitter, a DDMZM (dual-drive Mach-Zehnder modulator), an MZM (Mach-Zehnder modulator), a coupling, a frequency-selecting amplifier and a strength phase control unit, wherein one branch end of the optical splitter is connected with the DDMZM, and the other branch end of the optical splitter is connected with the strength phase control unit; the DDMZM is connected with the frequency-selecting amplifier; the strength phase control unit is connected with the MZM; the frequency-selecting amplifier is connected with one branch end of the coupling, and the MZM is connected with the other branch end of the coupling; the strength phase control unit comprises an attenuator and an FDL (Fiber-optic Delay Line); and the frequency-selecting amplifier comprises an optical circulator, an IL-FPLD (Injection Locked-Fabry-Perot Laser Diode) and an optical filter. The invention can generate an optical single-side band signal with better side band and high-order harmonic inhibition, has the advantages of simple structure, easy integration and good dynamic configuration and stability and is suitable for a broadcasting scheme based on an SCM (Subcarrier Multiplexing) mode in an OSSB (Optical Single-side Band) transmission system and a WDM-PON (Wave Division Multiplexing-Passive Optical Network) and a high-speed and high-capacity transmission system based on a plurality of subcarrier modes.

The invention provides an auxiliary installation rack making transformer installation easy and relates to the technical field of installation racks. The auxiliary installation rack making the transformer installation easy comprises a base, foot pads are welded to the bottom of the base, and the bottoms of the foot pads are movably provided with moving pieces through wheel roller bearing respectively. Bottom screws are arranged on the top of the base, the tops of the bottom screws are movably connected with the bottoms of screw cylinders through bottom bearings respectively, the tops of the screw cylinders penetrate through the bottom of a fixing base, extend into the fixing base and are fixedly connected with the fixing base, a top plate is arranged on the top of the fixing base, and railings are welded to the top of the top plate. According to the auxiliary installation rack making the transformer installation easy, the rotation of a rotating drum can be controlled by rotating a handle, the operation is simple and convenient, the installation rack is detachable, convenient and quick to operate and convenient to carry and transfer.

The invention discloses a processing method of a copper alloy for slot wedges, which is prepared by continuous casting → solid solution quenching → continuous extrusion → cold deformation → cryogenic treatment → aging; the copper alloy is composed of copper, nickel, silicon, Composed of elements such as chromium, cobalt, aluminum, magnesium, etc., the material properties obtained by the technical solution provided by the invention are excellent, and fully meet the use requirements of the generator rotor slot wedge.

The invention discloses a health care golden mushroom sausage. The weight ratio of the raw materials of the sausage is that every 1000 grams of pork is added with 100 to 150 grams of the golden mushroom, 65 to 75 grams of sugar, 25 to 35 grams of salt, 0.02 to 0.04 grams of cochineal red pigment, 25 to 35 ml of Longan osmanthus wine and 10 to 15 grams of turmeric, wherein the Longan osmanthus wine is prepared by adding 20 to 40 grams of longan aril, 5 to 10 grams of sweet osmanthus and 12 to 15 grams of mulberry leaf into every 100 grams of liquor, mixing, sealing, immersing for more than 6 months and then filtering. The golden mushroom enables the sausage to be relatively delicate and elastic, and meanwhile have a good anti-cancer effect and other medicinal therapeutic roles for health care. The Longan osmanthus wine can nourish heart and calm nerves, improve mood and sweeten mouth as well as prevent diseases and prolong life. The turmeric, used as a natural anticorrosion bactericide, has strong bactericidal, anti-corrosion and anti-oxidation effects, and meanwhile can inhibit harmful substances such as nitrite in the sausage.

The invention relates to an isoflavone compound having antibacterial activity and a preparing method and applications thereof, and belongs to the technical field of phytochemistry. The structure of the compound is shown as a formula (I). The formula (I) is shown in the specification. The compound is prepared from kudzu vine root that is a traditional medicinal and edible plant and through steps of extractum extraction, column chromatography on silica gel and separation and purification through high performance liquid chromatography. Activity tests prove that the compound has a good bacteriostatic function; when the compound is added into a tobacco material solution, the compound can effectively inhibit microbe growth in the material solution and can prolong the shelf life of the solution; when the compound is used for cigarette tipping paper, the compound can eliminate or reduce the possibility of bacterium breeding and reproduction in the cigarette tipping paper; and the compound has a wide application prospect.

The invention relates to a unfolding type cable-rod-film combined emergency bridge, which consists of a plurality of bridge units; each bridge unit consists of a cable-rod-film composite beam, a bridge faceplate and supports; the cable-rod-film composite beam is mounted in the groove of the supports; and the bridge faceplate is mounted on the cable-rod-film composite beam; the cable-rod-film composite beam consists of a top boom, a bottom boom, a low pressure inflated air bag and a stay cable; the top and the bottom boom are disposed on the upper and lower side of the beam; the low pressure inflated air bag is disposed in the middle of the beam; the stay cables are disposed on both sides of the beam; the bag is disposed on the bottom boom; the top boom is disposed on the bag; cross section of the top and the bottom boom and the low pressure inflated air bag is superposed with the vertical symmetrical axis; the cables are winded individually along both sides of the rod and passed through the node ring disposed on the rod side, and fixed by tightening the cables on both sides to connect the cable, the rod and the low pressure inflated air bag into one integral body. The novel emergency bridge achieves the advantages of extremely light weight, convenience for storing and carrying and rapid installation, and has high practical value and broad application prospect.

The invention provides a pre-coding processing method, a pre-coding processing device and a base station. The pre-coding processing method comprises the following steps of: acquiring spatial channel relevance parameters of a communication system of the base station, and acquiring interference avoiding parameters according to the spatial channel relevance parameters; according to the interference avoiding parameters, acquiring an element value of a fixed element of a pre-coding matrix to be constructed; according to an interference alignment algorithm, acquiring element values of the elements in the pre-coding matrix to be constructed besides the fixed element; according to the element value of the fixed element of the pre-coding matrix to be constructed and the element values of the elements in the pre-coding matrix to be constructed besides the fixed element, constructing a pre-coding matrix; and according to the pre-coding matrix, carrying out pre-coding processing to data streams. The pre-coding processing method, the pre-coding processing device and the base station, provided by the invention, have an effective inhibition function to interference.

The invention discloses a moxifloxacin gelatin capsule, whose contents comprises moxifloxacin or its salts and / or its hydrate and additive, the additive is at least one selected from the following substances: sodium sulfite, sodium acid sulfite, low-molecular proanthocyanidin, L-glutathion, sesame polyphenols, green tea polyphenols, tocopherol, ascorbic acid, isoascorbic acid, vitamin B1, vitamin B2, beta-carotene, soybean isoflavones, L-sulfo-aminolactic acid, pyrophosphoric acid, polyphosphoric acid and their medicinal salts.

The present invention discloses a pre-harvest sprouting inhibitor and a method for inhibiting pre-harvest sprouting of rice, wherein the pre-harvest sprouting inhibitor adopts water as a solvent, and contains 1000-2000 mg / kg of eugenol. The method comprises: uniformly spraying the pre-harvest sprouting inhibitor on rice panicle at a period from the late milk stage to the early yellow ripe stage of rice. According to the present invention, the low-toxic and easily-degradable eugenol is adopted as the main component of the pre-harvest sprouting inhibitor so as to effectively reduce the pre-harvest sprouting rate of rice and make the harvested rice seeds maintain good comprehensive property; and the treatment agent adopts water as the matrix, and has characteristics of no organic solvent addition, good environmental protection benefit, simple production process, low material consumption and low cost.

The invention discloses a suspension rotor equivalent disturbance current compensation control device for a bearing-free permanent magnet synchronous motor. The control device is characterized in that: a generalized suspension system consists of an expended voltage controlled inverter, a current controller, a Clark transformer, a motor and a displacement sensor; observation and compensation algorithms are formed by connecting disturbance acceleration observers, equivalent disturbance current transforming links, composite radial displacement feedback, main controllers and composite controllers in sequence; two paths of observation and compensation algorithms are connected in series in front of the generalized suspension system and form a close-loop structure; and the control device is used for controlling a motor suspension system in a displacement ring of a bearing-free permanent magnet synchronous motor. The control device carries out the close-loop control on the displacement ring of the bearing-free permanent magnet motor suspension system of the consequent pole, and suppresses disturbance acting on the suspension system in a control mode of feedforward compensation. The control device observes disturbance acceleration generated by the suspension rotor of the motor because of disturbance effect through the disturbance observation algorithm in real time, and the algorithm does not dependent on a mathematical model of the suspension system and does not need to acquire specific forms of the disturbance in advance, so that the control device has wider adaptive range.

The invention relates to a pesticide, and especially relates to a complex bactericide composed of bacillus subtilis and a chemical bactericide. The bactericide is used for controlling brassica rapa pekinensis downy mildew. The bactericide comprises the chemical bactericide, bacillus subtilis XM16 CGMCC No.0372, and auxiliary materials. The bactericide is characterized in that the chemical bactericide in the active components is any one selected from metalaxyl, propamocarb, and mancozeb. A biocontrol bacterium is bacillus subtilis XM16, with the strain collection number of CGMCC No.0372. A weight ratio of metalaxyl to bacillus subtilis XM16 is 1-8:1-10. A weight ratio of propamocarb to bacillus subtilis XM16 is 1-10:15-140. A weight ratio of mancozeb to bacillus subtilis XM16 is 1-15:1-10. A form of the bactericide is usually hydrophilic powder or aqueous solution. The complex agent of the biocontrol bacterium and the chemical bactericide has a substantial synergetic effect in controlling brassica rapa pekinensis downy mildew. The biocontrol bacterium bacillus subtilis XM16 is advantaged in high bacteriostatic activity, high stress resistance, and wide bactericidal spectrum. The biocontrol bacterium is complexed with the oomycetes chemical bactericide, such that the pesticide dosage is reduced, and controlling effect is improved. The bactericide is an environment-friendly bactericide. The bactericide is advantaged in high biological safety, low cost, and substantial economic benefit.

The present invention discloses a kefir acid soymilk and a production method thereof. The kefir acid soymilk consists of soybean milk and animal milk which are matched to take effect of the complementation of protein nutrition. The acid soymilk which is produced by fermenting the soybean milk through microorganism not only has the nutrient efficacy of the soybean, but the microorganism fermenting process is also good for eliminating anti-nutritional factors in the soybean, thus improving the nutrient and healthy efficacy on the soybean milk. The kefir acid soymilk has smooth taste, proper acidity, soft flavor and intense bee wine fragrance, besides, aromatic carbonyl compound, phenolic acid substance and the like in the soybean take certain restraining effect on partial microorganism in the kefir. Compared with the traditional kefir, the kefir acid soymilk has the low excitation of the taste, is fit for the taste of most people and reduces the post acidification during storage greatly, and the shelf life is prolonged. The preparation method has low cost, simple operation and high feasibility and has good application prospect.

The invention discloses an ion wind purifier for noise reduction. The ion wind purifier comprises a generation pole and a collecting module, wherein the generation pole comprises a polar wire, a rear shell and at least one fixing band; one end of the polar wire is fixed on the upper side wall of the rear shell, and the other end of the polar wire is fixed on the lower side wall of the rear shell; and the fixing band is arranged on the rear shell and is fixedly connected with the polar wire. In the ion wind purifier, the fixing band is fixedly connected with the polar wire to inhibit vibration of the polar wire, a spring is not needed, and the polar wire is always in a tensioning state through external forces such as spring force to inhibit the polar wire from vibrating, thus the problems that the polar wire is snapped due to too much spring elasticity and the polar wire is broken during the tensioning state for a long period of time are effectively solved, the polar wire is effectively inhibited from resonating, the noise is controlled, and the safety and the stability during work of the ion wind purifier are guaranteed.