183results about How to "Good dosage" patented technology

The invention relates to high base number (TBN400) vulcanized alkyl phenol calcium and a preparation method thereof. The vulcanized alkyl phenol calcium has a chemical structure as right. The preparation method is as follows: in a system containing solvent and diluent oil, alkyl phenol compound, shielded phenol compound, calcium oxide and / or calcium hydroxide and sulfur are subjected to sulfonation / neutralization reaction at a temperature of between 60 and 180 DEG C to generate phenolate intermediate; balanced calcium oxide and / or calcium hydroxide are added into the mixture, carbon dioxide is introduced, and the mixture is subjected to carbonation reaction; and alkyl polylol is added into the mixture at the sulfonation / neutralization reaction or respectively at the sulfonation / neutralization reaction and the carbonation reaction to participate in the reaction, long-chain carboxylic acid is added into the mixture at the sulfonation / neutralization reaction or respectively at the sulfonation / neutralization reaction and the carbonation reaction to participate in the reaction, and products are obtained through refining. The vulcanized alkyl phenol calcium has the characteristics of high base number, low viscosity, low precipitation number, good heat storage stability, and the like, and has excellent combination property, does not cause environmental protection problem during use, and belongs to an environment-friendly product, and adopts a one-stage process, has mild reaction conditions, and is easy to filter.

The invention provides a preparation method of an emulsified asphalt cold recycling asphalt mixture. The preparation method relates to the field of road engineering and includes the following steps: obtaining milling samples of old asphalt pavement, determining grading of filler, determining weight percentage of rough milling materials, fine milling materials, cement and mineral powder in raw materials, determining optimum moisture content a, determining optimum dosage of emulsified asphalt, determining optimum moisture content b, conducting checking and stirring the emulsified asphalt cold recycling asphalt mixture. The preparation method is rigor. Determination of optimum usage and optimum moisture content of emulsified asphalt gives consideration to the lubrication effect of water and asphalt in the molding process. The optimum moisture content and the optimum dosage of the emulsified asphalt are determined through checking. The preparation method adopts the processes of rotating, compacting, once molding and nourishment, accords with reality, and is reasonable and capable of meeting requirements for actual engineering.

The invention discloses an acidolysis method of magnesium-containing phosphate rock. The method provided by the invention is characterized by comprising the following steps of: carrying out acidolysis on the magnesium-containing phosphate rock to obtain a water-soluble calcium, magnesium and phosphoric acid containing acidolysis solution, carrying out acidolysis on the phosphate rock by using the generated phosphoric acid to generate Ca(H2PO4)2.H2O solid, performing a reaction between H2SO4 and water-soluble calcium to generate high-pureness calcium sulfate whisker, and performing a reaction between water-soluble magnesium and phosphor in the acidolysis solution and NH3 to generate character separation magnesium ions of a MgNH4PO4 solid so as to realize complete high-efficiency comprehensive utilization of the acidolyzed magnesium-containing phosphate rock. The focus of the invention is to change magnesium ions into controllable parameters which are beneficial to circulation of the acidolysis solution. The magnesium-containing phosphate rock can be efficiently utilized, and also the compound magnesium ammonium phosphate can be used to realize the separation of phosphor magnesium from a circulation medium HCl or HNO3 or CaCL, Ca(NO3)2, thus realizing the combination and combined production with a present ammonium phosphate and phosphor product processing technology. The method provided by the invention has advantages of concise technology, less investment, low energy consumption, low cost, high benefit and no discharge of ''three wastes (waste gas, wastewater and industrial residue)'', and fully presents great business value and great resource value of the high magnesium-containing phosphate rock.

The invention discloses a lightweight flame retardant and foamy filling material of cement doors and manufacturing method thereof, comprising magnesium oxide, magnesium sulphate, fly ash, high alumina refractory cement, calcium chloride, water proofing agent, water reducing agent and foaming agent, with bulk density ranging between 200 kg / m3 and 500kg / m3; the ingredients are formulated by weight at a rate of: magnesium oxide (40 percent -55 percent), magnesium sulfate (15 percent-40 percent), fly ash (5 percent-20 percent), high alumina refractory cement (5 percent-20 percent), calcium chloride (2 percent-6 percent), water proofing agent (2 percent5 percent), water reducing agent (0.2 percent1.5 percent) and foaming agent (0.1 percent-0.5 percent). With the technical solution, the product has the advantages of high strength, light weight, flame retardancy, sound insulation, weather resistance, thermal resistance, energy efficient, freedom from toxicity, harm and irradiation, low manufacturing cost, simple process, etc, which can be widely employed for fire / theft proof metal interior door, building material and like sectors.

A solidifying agent for the used sludge of drilling well is proportionally prepared from powdered thioaluminate cement clinker, semi-hydrated gypsum powder, calcium lime, and polyacrylamide through grinding. Its advantages are short solidifying time, low cost and no secondary pollution.

The invention discloses a method for controlling automatic flocculant addition, which belongs to the field of sewage treatment. A feedback control system determines the flow of sewage and the concentration of TP and SS after sewage treatment and feeds back determination results to a PLC control system; and the PLC control system performs calculation by using undetermined parameters through a formula as follows: delta X dosage=k*Q*L*(P-1.1A)a*(S-1.05B)b / (lambda*N)according to the feedback of the feedback control system of the flow, the TP and the SS to indirectly determine the dosage of flocculant. The invention can regulate the dosage of the flocculant in time according to the coagulation effect of the sewage treatment and ensure the optimal dosage of the flocculant and the effect of the sewage treatment.

The invention relates to a low-phosphorus compound corrosion and scale inhibitor and applications in the treatment of high-alkalinity and high-hardness circulating cooling water thereof. The efficient low-phosphorus corrosion and scale inhibitor is characterized by adding the following components according to the circulating water: 0.2-1.2mg / L of hydroxyethylidene diphosphonic acid, 0.125-1mg / L of 2-phosphonic acid-1,2,4-tricarboxylic acid, 0.14-1.2mg / L of sulphonate copolymer, 0.625-5mg / L of maleic acid-acrylic acid copolymer, 0-1.6mg / L of polyacrylic acid and 0-0.4mg / L of copper relief agent. The low-phosphorus compound corrosion and scale inhibitor can be used for the treatment of circulating cooling water, has the total phosphorus content less than or equal to 0.5mg / L in the circulating water, has the advantages of good comprehensive performance, excellent CaCO3 scale resistance function, corrosion inhibition performance and small dosage of less than or equal to 20mg / L under normal condition, is applicable to the treatment of circulating cooling water, and reduces the hazards of phosphorus emission on environment.

The invention relates to a compound synergistic bactericidal composition for preventing and curing main diseases of tomatoes and pear trees, and an application of the composition. The active components of the pesticide composition comprises adepidyntm and an active component B, wherein the active component B comprises one selected from a group consisting of strobilurin fungicides, an ergosterol synthesis inhibitor, substituted aniline fungicides and bacillus subtilis BAB-1. The pesticide composition provided by the invention is applied in preventing and curing main diseases of tomatoes and pear trees such as grey mold, early blight, leaf mold, grey leaf spot, Venturia inaequalis, ring spot, black spot and the like, has a good fast-acting property and persistence, has a novel action mechanism, has many sites, can effectively delay the generation and development of drug resistance of pathogenic bacteria, and not only has protection effects against diseases, but also has good curing effects. The compound synergistic composition has less pesticide usage amount, and effectively reduces pollution on fruits and environment by drugs.

The invention relates to a foaming-type industrial waste residue base compound dephosphorization material. Coal ash, steel slag and adhesive form gelation materials, foaming agent and water are added to form a compound dephosphorization material. The compound dephosphorization material comprises the following components by mass ratio of gelation materials: 75-85 percent of coal ash, 10-20 percent of 70-90 meshes of steel slag, 3-15 percent of adhesive, 0.2-1 percent of foaming agent and 3:1-9:2 of water. The material can protect the environment, realize reclamation of wastes and achieve good social and economic benefits.

The invention relates to an isoborneol-dehydrogenated camphor refining method. The method sequentially comprises a dehydrogenation reaction and solvent recovery step, a camphor vaporization subliming step and a camphor sublimation collecting step, wherein the dehydrogenation reaction and solvent recovery step comprises the steps of feeding a mixed solution of the isoborneol and an isoborneol dissolving solvent and a dehydrogenation catalyst into a reactor, heating the reactor so as to realize dehydrogenation reaction, exhausting hydrogen gas produced from the dehydrogenation reaction by using a fractionating column, and recovering the isoborneol dissolving solvent. According to the method, the disadvantage in the existing isoborneol-dehydrogenated camphor refining process that the steps of dehydrogenation reaction, solvent recovery and vaporization subliming are required to be carried out sequentially in different devices is overcome, the integration of a dehydrogenation reactor, a solvent recovery device and a sublimation device can be realized, and thus the steps of dehydrogenation reaction, solvent recovery and vaporization subliming can be carried out in the same reactor; and the method has the advantages of reducing working procedures and greatly reducing manpower and equipment costs.

The invention discloses hydrating and whitening eye cream. The hydrating and whitening eye cream is characterized by comprising the following constituents in parts by weight: 3 to 5 parts of pearl, 2 to 4 parts of borax, 0.3 to 0.5 part of ketone musk, 2 to 3 parts of oil phase, 0.2 to 0.4 part of zinc carbonate hydroxide, 1 to 2 parts of an alcohol mixture, 0.05 to 0.08 part of glycerol monostearate, 0.06 to 0.08 part of hydroxybenzoic acid propyl este, 5 to 7 parts of glycerin, 0.8 to 1 part of polyacrylamide, 0.1 to 0.3 part of ethylenediaminetetraacetic acid disodium salt, 0.2 to 0.5 part of methylparaben, 0.2 to 0.4 part of soybean peptide, 1 to 2 parts of oxido reductase, 1 to 2 parts of hydrolyzed rice bran protein, 0.6 to 0.8 part of polydimethylsiloxane, 0.05 to 0.08 part of propyl hydroxybenzoate, 1 to 2 parts of citric acid, 0.2 to 0.5 part of preservative imidazolidinyl urea, 0.3 to 0.5 part of essence, and 100 parts of deionized water. The eye cream is not oleaginous, easy to apply and comfortable to use, enhances the cell activity performance of eyes, has the advantages of low use level and fastness in becoming effective, can obviously improve the appearance indexes, such as gloss, brightness, viscosity and the like, of the eye cream, does not has side effects, and does not have stimulation and untoward effects on normal human skin.

The invention discloses a compound preservative of meat products, aiming at providing a high-efficiency compound preservative which is used in the pickling process of the meat product and various pickled-type meat products, can effectively substitute the bacterial inhibition capability of nitrite, reduces the harm of the nitrite and properly prolongs the shelf life of the meat products. The preservative is prepared from 0.001 to 0.005% of sorbic acid food additive, 1 to 5% of sodium lactate, 0.01 to 0.1% of nisin and 0.01 to 0.05% of EDTA or sodium salt of the EDTA according to the weight percent of meat raw materials. The preservative has simple operation and convenient use, is safe and reliable and can obviously reduce the residual quantity of the nitrite, the preservative effect is superior to that of the nitrite, and the shelf life of the pickled-type meat products can be obviously prolonged.

The invention discloses a lightening fireproof filling material for producing metal door by expanded perlite and a process for preparation. The material comprises expanded perlite, magnesium oxide, magnesium sulfate, calcium hydroxide, aqueous adhesive and water proofing agent, the volume weight is between 200-300kg / m3, the proportionings of each component according to weight percentage respectively are that the expanded perlite takes 45-65, the magnesium oxide takes 15-25, the magnesium sulfate takes 5-15, the calcium hydroxide takes 0.5-4 and the aqueous adhesive takes 2-5. Employing the technical scheme, the product has the advantages of high mechanical strength, light weight, high grade of fire resistance, good effect of sound absorption and acoustic insulation, strong anti-weatherability, heat insulation, heat preservation and energy conservation, easy production and no poison, on hazard and no radiation and the like. The product can be widely used in metal door industry, architectural materials industry and the related industries.

The invention relates to a preparation method of a chitosan-hydrotalcite nanocomposite material. The preparation method comprises the following steps: step one, adding 0.5g of chitosan into 70 mL of a2% acetic acid solution, carrying out ultrasonic dissolution to obtain a yellowish transparent solution, and adding 0.5-2.5 g of magnesium aluminum hydrotalcite into 50 mL of a 2% acetic acid solution for dissolution; step two, putting the two dissolving solutions into a three-necked flask at a same time, carrying out a reaction by stirring for 1 hour, adding 5 mL of formaldehyde, carrying out heating to 60 DEG C, carrying out a reaction for 1 hour, adjusting the pH value to be about 9.0 by using a NaOH solution with a concentration of 1 mol / L, adding 10 mL of epichlorohydrin, keeping the pHvalue to be about 9.0 at any time by adjusting, and carrying out a reaction for 2.5 hours; and step three, carrying out washing with absolute ethyl alcohol to neutrality, finally carrying out drying at a temperature of 60 DEG C, and carrying out grinding and sieving to obtain the white solid chitosan / magnesium aluminum hydrotalcite.

The invention discloses a preparation method and application of a carbon nanotube / titanium dioxide / carboxymethyl chitosan nanometer composite electrochemical sensing material. In the method, the electrochemical performance of multi-walled carbon nanotubes (MWCNTs), the electro-catalytic performance of nanometer titanium dioxide (TiO2) and film-forming capacity of carboxymethyl chitosan (CMCS) are combined, and the MWCNTs@TiO2 / CMCS nanometer composite material is prepared through an in-situ sol / gel reaction and a solution blending method. An MWCNTs@TiO2 nanometer composite is prepared from MWCNTs and tetrabutyl titanate first, then the prepared nanometer composite and CMCS are compounded and assembled into a thin film according to a certain proportion, the thin film is used as a sensing element for detecting the residual amount of pesticide in food, and finally the electrochemical sensor material capable of detecting the residual amount of dipterex in food is obtained by adjusting and regulating the proportion of carbon nanotubes and titanium dioxide in the conductive composite material.

The invention provides a construction method for in-situ cold recycling of foamed asphalt. The method includes: S1) designing gradation of a synthetic mixture; S2) selecting mineral materials with optimal gradation; S3) selecting the optimal water content; S4) selecting the optimal addition amount of foamed asphalt; S5) preparing a test piece by utilizing the mineral materials with optimal gradation in the optimal water content and the optimal addition amount of foamed asphalt by rotary compaction, verifying whether the dry-wet split intensity ratio and the freeze-thaw split intensity ratio ofthe test piece meet requirements in Technical Specifications for Highway Asphalt Pavement Recycling, and if yes, determining that a ratio determined by the abovementioned steps is a preferred ratio,otherwise, returning to the step S1) to redesign gradation of the synthetic mixture; S6) performing in-situ cold recycling construction according to the preferred ratio; and S7) curing. The ratio design method overcomes limitations of the current specifications. The improvement of the process in the step S6) overcomes the disadvantages of the difficulty of aggregate adding and aggregate dusting, improves the uniformity of aggregate mixing, and is more conducive to green and civilized construction.

The invention discloses a direct coal liquefaction residue-modified asphalt mixture, which is prepared from the following raw materials in percentage by weight: 91 to 95 percent of aggregate, 1.5 to 4 percent of mineral powder and 3 to 5 percent of direct coal liquefaction residue-modified asphalt. The invention also discloses a preparation method of the direct coal liquefaction residue-modified asphalt mixture, and the steps of preparation are as follows in sequence: preparing direct coal liquefaction residue-modified asphalt; pre-processing the direct coal liquefaction residue-modified asphalt, the aggregate and the mineral powder; blending direct coal liquefaction residue-modified asphalt of different amounts with the aggregate, and adding mineral powder for blending, so as to prepare a direct coal liquefaction residue-modified asphalt mixture; determining the optimal amount of the direct coal liquefaction residue-modified asphalt through comprehensive evaluation; blending the direct coal liquefaction residue-modified asphalt of the optimal amount with the aggregate, and adding the mineral powder for blending, so as to prepare the direct coal liquefaction residue-modified asphalt mixture. By adopting the technical scheme provided by the invention, direct coal liquefaction residue can be changed from waste into wealth, and obvious economic benefit and social benefit are achieved.

The invention provides a nanoscale high-strength light-diffusion material as well as a preparation method and application thereof. The nanoscale high-strength light-diffusion material is mainly prepared from the following raw materials in parts by weight: 70-90 parts of polycarbonate, 5-8 parts of nano-fiber whisker, 20-30 parts of organic silicon light diffusion agent, and 5-8 parts of organic nanometer composite material. The preparation method comprises the following steps: uniformly mixing the raw materials, and extruding and shaping the mixture at the temperature of 245-320 DEG C, so as to obtain the nanoscale high-strength light-diffusion material. The nanoscale high-strength light-diffusion material provided by the invention is applied to LED lamp shades, lighting tubes, lamp boxes and liquid crystal displays. The nanoscale high-strength light-diffusion material provided by the embodiment of the invention has the great functions of reducing the material thickness and guaranteeing the product strength, and is good in bending resistance, and the nanoscale diffusion light extraction effect is achieved after light passes through a lamp shade; besides, the nanoscale high-strength light-diffusion material is less prone to deformation after long-term use, and is long in service life.

The invention relates to a wastewater biochemical treatment activated sludge conditioner and a preparation method thereof. The wastewater biochemical treatment activated sludge conditioner is prepared from the following raw materials: molasses, a nitrogen source, ammonium sulphate, magnesium sulfate heptahydrate, saccharomycete fluid, glucanase, protease, poly-ferric aluminium sulphate and water. The preparation method of the wastewater biochemical treatment activated sludge conditioner comprises the following steps: firstly fermenting by utilizing the nutrient substances, culturing saccharomycetes in the saccharomycete fluid, then digesting by virtue of the glucanase and protease, and adding poly-ferric aluminium sulphate, so that the wastewater biochemical treatment activated sludge conditioner is obtained. The prepared wastewater biochemical treatment activated sludge conditioner has the advantages that proliferation of microorganisms in activated sludge can be quickly stimulated, and activated sludge treatment efficiency is improved; an impacted or filamentously expanded biochemical system can restore 7-15 earlier if the conditioner is used, effluent parameters are obviously better than those of a biochemical system without the conditioner, and usage amount of the conditioner is low, cost is low, and microorganism growth can be obviously promoted.

The invention discloses a hydrogen fluoride-containing mixed gas absorption experimental device. The hydrogen fluoride-containing mixed gas absorption experimental device comprises an air source, a hydrogen fluoride gas source, a mixer and a gas absorption system, wherein the air source and the hydrogen fluoride gas source are connected to the mixer through pipelines, the mixer is connected with the gas absorption system through a pipeline and used for proportionally mixing air coming from the air source and hydrogen fluoride gas coming from the hydrogen fluoride gas source, the mixed gas is absorbed by a calcium sulfate solution or a sodium hydroxide solution inside the gas absorption system by spraying after entering the gas absorption system, an induced draft fan connected with an external environment is used for emptying the gas absorption system, and the gas absorption system is a primary absorption tower and / or a secondary absorption tower connected with the primary absorption tower in series. The hydrogen fluoride-containing mixed gas absorption experimental device disclosed by the invention can be used for absorbing the hydrogen fluoride mixed gas in different content ranges so as to provide a theory basis for future industrial hydrogen fluoride gas absorption devices.

The invention discloses a water plant emergency automatic dosage control system against heavy rainfall in a typhoon season. The system comprises a feedforward control system, a PLC (programmable logic controller) system, a metering pump, a mixer, a coagulation sedimentation filter, a clean water tank and a feedback control system, wherein the feedforward control system comprises a flow meter for measuring the water inflow rate and an on-line turbidimeter 1 for measuring turbidity of inflow water; the feedback control system comprises an on-line turbidimeter 2 for measuring the turbidity of the filtered water; the optimum dosage of a coagulant is determined according to the formula Y=(k*Q*(alnx+b)) / (lambda*N). By establishing a mathematical model of coagulant dosage, water inflow rate and water quality, the dosage of the coagulant is minimized on the premise that quality of treated water meets standards, the operating cost of an enterprise is reduced, better economic benefit is achieved, safety of urban drinking water is guaranteed, better social benefit is achieved, the service life of water plant facilities is prolonged, the output of sludge is reduced, and better environmental benefit is achieved.

The invention discloses a compound freshness retaining method for pomes. The compound freshness retaining method is characterized by comprising the following steps of: determining the optimal irradiation dose according to the conductivity, and determining the optimal chitosan using amount according to the optimal irradiation dose. After freshness retaining liquid is prepared and is used for soaking film coating treatment; then irradiation is performed according to the optimal chitosan using amount, so that germs are killed, and physiological activities such as breathing of fruits and water loss are suppressed; and therefore, the aim of obviously improving the freshness retaining effect compared with that of the single chitosan film coating is fulfilled. By the method, the pome freshness retaining effect is obviously enhanced, and the chitosan using amount is reduced; the irradiation cost is lowered; and the environment is not polluted.

The invention discloses a composite coating. The composite coating comprises the following components in parts by weight: 40-50 parts of fluorocarbon resin, 0.5-2 parts of graphene, 0.5-1 part of polyamide rheological agent, 5-15 parts of modified phosphate, 0.5-2 parts of dispersing agent, 0.5-2 parts of coupling agent, 5-10 parts of modified resin and 10-20 parts of solvent. The following two technical problems are mainly solved: I. the functions of the primer and the top coat are unified and the aim of convenience in construction is achieved; and II. graphene is used as a functional filler to achieve the function of high barrier, so corrosive media are difficult to permeate substrates, thus improving the salt spray, chemicals, weather and damp heat resistance of the coating.

The invention discloses a detachable rotatably-mounted filter. The filter comprises a filter shell, a sealing pad, a connection joint and a filter element arranged below the connection joint. The sealing pad is arranged between the connection joint and the filter shell, and the connection joint is connected with the filter shell through threads; a plurality of oil inlets are formed in the connection joint, and a central hole is formed in the center of the connection joint; the two sides of the central hole are each provided with a counter bore, and the two counter bores are symmetrically formed and communicated with the central hole; a by-pass valve is arranged in each counter bore, and the filter element comprises a filter material and an end cover and is connected with the connection joint through threads on the end cover; and an inner hole is formed in the center of the filter element, and an inner framework is arranged in the central hole of the connection joint and the inner hole of the filter element in a penetrating manner. By the adoption of the structure, the filter has the beneficial effects of being ingenious in structural design, economical and environment-friendly.

The present invention relates to belongs to the field of oil well wax-eliminating and scale inhibiting technology and provides one kind of solid wax-resisting scale inhibitor. Based on the wax solidifying and scaling law in oil well, some chemicals are selected and combined with some polymers with slow releasing function to produce into the solid wax-resisting scale inhibitor. The solid wax-resisting scale inhibitor is attached to bottom of oil pump and will be dissolved slowly by the flushing oil flow in well, and the dissolved wax-resisting scale inhibitor acts on the inside of oil pipe and oil pump to inhibit wax molecule aggregation and scaling, with the wax and scale being maintained in dispersed state and pumped to ground together with oil flow.

The invention discloses super-weatherability anti-acid rain raindrop imprint-resistant external wall water paint and a preparation method thereof. The super-weatherability anti-acid rain raindrop imprint-resistant external wall water paint comprises deionized water, a thickener A, a wetting agent A, a wetting agent B, a dispersant, a defoamer, a film forming aid, a pH stabilizer, an antifreezing agent, titanium dioxide, barite, mica powder, calcined kaolin, a modified polymer emulsion, a thickener B, a leveling agent, a bactericidal mildew preventive and deionized water according to mass percents. The super-weatherability anti-acid rain raindrop imprint-resistant external wall water paint has acid and alkali resistance, weatherability, water resistance, mildew proof effects, raindrop imprint resistance, scrubbing resistance, environmental friendliness and energy saving.

The invention discloses a steroid environment endocrine disturbing chemicals hydroxyl group / keto group synchronous derivatization method of steroid environment endocrine disturbing chemicals (oestrone, 17 beta-estradiol, 17 alpha-ethinyl estradiol, estriol and progesterone). The method comprises the following steps: first fetching standard mixed solution containing the steroid environment endocrine disturbing chemicals and internal standard and introducing high-purity nitrogen at normal temperature so as to dry the standard mixed solution; and adding derivatization reagent prepared from N-methyl-N-trimethylsilyl trifluoroacetamide, iodotrimethylsilane and dithiothreitol based on a proportion of 1,000 muL:5 to 10 muL:5 mg and reacting at 20 to 60 DEG C for 5 to 10 min so as to obtain the derivatization product shown in figure. The method has the advantages of simple and time-saving operation, low energy consumption and cost and the like. The hydroxyl group and the keto group can be derivatized synchronously, the linear correlation among the derivatization products is good, and the detection limit of instrument can reach 0.01 to 1 pg / mu L. The method can be used for the GC-MS detection of the steroid environment endocrine disturbing chemicals in samples such as water, bottom sediment, organisms and the like.

The present invention provides a Chinese medicine Qidan Tongmai tablet for effectively curing the diseases of coronary heart disease and angina pectoris, etc. It is made up by using 5 Chinese medicinal materials of astragalus root, salvia root and others through a certain preparation process. Said invention also provides the concrete steps of said preparation method.

A high-quality colored glaze comprises 50-60wt% of quartz sand with the granularity of 0.5-1mm as a composition component, comprises 5-10wt% of sodium nitrate and 3-6wt% of potassium nitrate as a flux, comprises 20-25wt% of barium sulfate as a clarificant, comprises 3-5wt% of cadmium oxide, 2-5wt% of nickel (III) oxide and 3-6wt% of manganese dioxide as a coloring agent, and also comprises 1wt% of a gaseous nanometer assistant, 2wt% of sodium water glass and 1wt% of potter's clay. Colored glaze handicraft with excellent quality can be obtained through the above formula of the colored glaze in practical use.

The invention relates to a compound synergistic bactericidal composition for preventing and treating main diseases of tomatoes and pear trees and an application thereof. Active ingredients of the pesticide composition comprise pydiflumetofen and an active ingredient B, and the active component B comprises one of a substituted aniline bactericide and bacillus subtilis BAB-1. The pesticide composition disclosed by the invention is applied to prevention and treatment of main diseases of tomatoes and pear trees, such as gray mold, early blight, leaf mold, gray leaf spot, scab, ring spot and blackspot, and the bactericidal composition has the advantages of good fast-acting property and persistence, novel action mechanism and multiple sites, can effectively delay the occurrence and developmentof drug resistance of pathogenic bacteria, and not only has a protective effect on diseases, but also has a good treatment effect. The compound synergistic composition has the advantages that the dosage is small, and the pollution of medicaments to fruits and the environment is effectively reduced.