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The efficacy of three formulations to B.germanica was evaluated with a small container and a quadr-cage olfactometer system. Results The linalool deploied with aethylenum-Vac granule and activated alumina granule had obvious repellency to B.germanica, and 97.7% repellency of the former was more effective than the latter.

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Chicken meal, brown rice, rice, corn, corn gluten meal, chicken fat, chicken, natural chicken flavor, pea fiber, rice flour, rice hulls, wheat gluten, dried beet pulp, soya oil, sodium silico aluminate, dried brewers yeast, fructo-oligosaccharides, anchovy oil (source of EPA/DHA), calcium sulfate, salt, potassium chloride, dried egg product, choline chloride, DL-methionine, taurine, Vitamins [DL-alpha tocopherol acetate, L-ascorbyl-2-polyphosphate, niacin supplement, biotin, riboflavin (vitamin B2) supplement, D-calcium pantothenate, vitamin A acetate, pyridoxine hydrochloride (vitamin B6), thiamine mononitrate (vitamin B1), folic acid, vitamin B12 supplement, vitamin D3 supplement], sodium tripolyphosphate, tea, Trace Minerals , L-Carnitine, preserved with natural mixed tocopherols and citric acid, rosemary extract.

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Mission:"equality and mutual benefit, reputation first, unity and cooperation and friendship between the long-term" supply products: ethylenediamine; diethylamide; triethylamine; Diethylenetriamine; three ethylene diamine; three ethylene amines 40; 40 Five ethylene amines; five ethylene amines 6; caprolactam; DMF; allyl amine; N, N dimethylaniline; propylamine; are butylamine; are TOA; 3 Poly Cyanamide; 1,2 c diamine; ethanolamine; diethanolamine, triethanolamine; potassium iodide, potassium hydroxide, potassium permanganate, toluene, xylene, toluene of chlorine ; Acetone, butanone; acetylacetone; ethyl acetate, butyl acetate; Y-butyrolactone; DMC; acetyl of methyl acetate; Sanfu acetyl acid; Sanfu acetyl B Ethyl; methanol, ethanol, isopropanol; propylene glycol; glycerol; propargyl alcohol; 1.3 propylene glycol; xylitol; acetic acid; have acid; mercaptoacetic acid; vary Bitterness; adipic acid; trifluoroacetic acid; oxalic acid, the amino acid; o-amygdalin acid; DL-Acid; anhydrous piperazine; six non-piperazine, furfural, castor oil, ethylene Aldehyde; glutaraldehyde, multi-POM; isopropyl ether; anisole; tetrahydropyrrole; pure pyridine; 1.2 dichloroethane; methylene chloride, chloroform, carbon tetrachloride; hydrazine hydrate; Nonylphenol;-m-cresol; Se phenol; phenol; the tert-butyl phenol; Titanium Dioxide; iron; full Tangfen; Bisphenol A; azo two different nitrile; sodium azide; sodium carbonate ; Sodium chloride; iron oxide; cuprous chloride; thionyl chloride; D4; sodium bicarbonate; ammonia, potassium chloride; anhydrous sodium sulphite; ammonium persulfate; glycol Dingmi; B Glycol ether; calcium chloride; cyclohexanone; cyclohexane, methyl tertiary butyl ether, potassium carbonate, ferric chloride, potassium nitrate; Linsuansanna; zinc oxide; sodium nitrite; antimony oxide; Tartrate; OP-10; TX-10; tablets base; AES; sodium benzoate, sodium citrate; partial sodium silicate, sodium perborate, a sodium carbonate, sodium benzene; Asia sodium chlorate; Wuluo Care products; urea; hydrochloric acid, sulfuric acid, lactic acid; amino acid, hydrogen peroxide, ammonium bicarbonate

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A complete mathematical model based on the reaction mechanism for the production of polyvinyl acetate was developed.

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In the paper, more than 1500 data points about the densities and viscosities and capacities for five binary systems related TPA at atmospheric pressure were measured using the pycnometer, Ubbelohde viscometer and the differential scanning calorimeter.

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With alcoholic fermented Pyracantha fortuneana wine as the main raw material,the initial alcohol concentration,temperature,pH and initial inoculum density in acetic fermentation were studied in a single-factor experiment.

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The single mechanical seals of five PHP pumps, nine PLA pumps, two THD pumps and nine ZA pumps in the acetic acid plant were changed into dual mechanical seals based on not changing main parts such as casing, impeller, shaft, bearings house etc. to solve the leakage problems of flammable, explosive, poisonous, harmful substances, such as acetic acid, methyl iodide, hydroiodic acid, and propionic acid etc.

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They immersed a lead object first in copper acetate (a compound made by letting vinegar corrode copper), and then in a silver solution created by dissolving silver chloride in dilute ammonia (which ancient chemists made from urine).

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During the reaction,the bromide component has been converted to catalytically inactive benzylic bromide.In pure acetic acid medium,the "catalyst failure" occurs owing to the formation of benzylic bromide while in acetic acid-water medium,the solvolysis of benzylic bromide by water maintains the catalytic activity to some extent.

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