或酯 的英文怎麼說
中文拼音 [huòzhǐ]-
Recently, the chinese plant protection agencies reported the growing hardships in controlling some field populations of oriental migratory locust with organophosphate ( op ) compounds. up to now there are more than 600 arthropod species with documented resistance to one or more insecticides and / or acaricides since resistance phenomenon was first described in san jose scale to lime - sulfur in washington in 1908. enhanced metabolic detoxification and reduced sensitivity of insecticide target - sites are the two major mechanisms in resistance development, involving three primary metabolic enzymes of esterases, glutathione s - transferases and cytochrome p450 polysubstrate monooxygenases
代謝抗性是指對殺蟲劑起水解或隔離作用的酶發生改變，從而對殺蟲劑起到解毒作用，昆蟲主要解毒酶系有酯酶、谷胱甘肽- s -轉移酶、細胞色素p450單加氧酶等，這三種酶系任何一種的組成部分發生改變均會引起害蟲抗性的改變；靶標抗性是指由於殺蟲劑作用靶標敏感度降低而產生的抗性。In benzene or ethyl acetate solution rates increase linearly with methyl methacrylate concentration.
在苯或乙酸乙酯溶液中其衰減速度隨甲基丙烯酸甲脂濃度呈直線地增大。The isocyanates can be obtained by the fluorination of nitrogenous cylic or acyclic molecules.
異氰酸酯可由含氯的環（或非環）狀分子氟化而得。Benzoic acid or methyl para - hydroxybenzoate or
對羥基苯甲酸乙酯或Initiation is caused by radicals produced from azobisisobutyronitrile, benzoyl peroxide or perester decomposition.
鏈引發是由偶氮二異丁腈，過氧化苯甲酰或過氧酯分解生成的自由基所引起。Energetic materials for defense. physical - chemical analysis and properties. diphenylamine of single and double base materials with dinitrotoluene or ethylene glycol dimethracrylate. method by liquid chromatography
國防用高能材料.物理-化學分析及特性.含三硝基甲苯或乙二醇二甲基丙烯酸酯的單基和雙基材料的二苯胺.液相色譜法Namely : high wear - resisting rubber, screen mesh of polyurethane ( pu ), become the domestic biggest producer specializing in high wear - resisting screen mesh, the practical experience for many years, craft is it develop high - quality to apply, durable new product have all over foot industrial demand modernized polyurethane, becoming can produce the production bases of different high wear - resisting screen mesh at home, whom products can select rubber or polyurethane screen mesh for use at home separately coloured, ferrous metal mine enterprise, power station and building materials sift subsystem use, well received by ore dressing circle from home, this mean square garden screen mesh of our company credit can trust among user
即：高耐磨橡膠、聚氨酯（ pu ）篩網，成為國內專業生產高耐磨篩網的最大廠家，有著多年的實踐經驗，將現代化的聚氨酯工藝應用於開發優質、耐用的新產品來滿足工業需求，成為國內能生產各種高耐磨篩網的生產基地，產品可以分別選用橡膠或聚氨酯篩網在國內的有色、黑色金屬礦山企業、水電站及建材篩分系統使用，受到國內選礦界的好評，這就意味著我公司的方園牌篩網在用戶中信用完全可以信賴。Polyurethane type : we usually use this type squeegee which rubber value should be 70 - 90 tested by the durometer
橡膠或聚氨酯刮板：當使用橡膠刮板時，需使用橡膠硬度值為70 - 90的刮板。A surprisingly low seropositivity rate of anti - acetylcholine - receptor antibodies ( 1 / 7 ) and anti - musk ( muscle specific kinase ) antibodies ( 0 / 6 ) were found in these dysphonia mg patients
該診斷在新斯的明（膽堿酯酶抑制劑）試驗陽性之前或之後通過纖維喉鏡檢查和聲學分析而被確定。Three water - soluble acrylic resins are prepa red by polymerizing esters acrylate, acrylic acid ， methylacrylic acid ， esters methylacrylate with phenyl - ethene or ethylene acetate in present of water or alcohol and initiating agent. properties of the acrylic resins are characterized. results show that the resins possess excellent character, i. e. adhibity, water - solubility, expansion after dry for water ， anti acidity or bascity and brightness in the products of same type
以丙烯酸、丙烯酸酯、甲基丙烯酸、甲基丙烯酸酯等作為基料，在引發劑的存在下，以水或醇作溶劑進行聚合，加入苯乙烯、醋酸乙烯等改性，合成了3種不同的水溶性丙烯酸改性樹脂，並對其性能進行了測定.結果表明：這3種樹脂的粘度、水溶解性、乾燥后膜的吸脹性、抗酸堿性、光亮度等性能均優于同類產品Methyl para - hydroxybenzoate or ethyl pare - hydroxybenzoate or
對羥基苯甲酸乙酯或Ethyl para - hydroxybenzoate or propyl para - hydroxybenzoate or
對羥基苯甲酸丙酯或Methyl para - hydroxybenzoate or ethyl para - hydroxybenzoate or
對羥基苯甲酸甲酯或Protein kinase a is camp - dependent kinase, one of the most important signal transduction pathways, plays a pivotal role in growth, differentiation, tumor occur, cell cycle control, etc. pka activators such as camp, 8 - br - camp or phosphodiesterase ( pde ) inhibitor isomethyl butyl xanthine ( imbx ) or purified pka catalytic subunit all can inhibit germinal vesicle breakdown ( gvbd ) and meiotic maturation in mouse oocytes, also in xenopus oocytes
蛋白激酶a （ proteinkinasea ， pka ）是依賴于camp的絲蘇氨酸蛋白激酶，是重要的信號傳導途徑之一，廣泛參與許多生命過程，包括生長、分化、腫瘤發生、細胞凋亡、細胞周期調控等。以小鼠卵母細胞為實驗對象，給予pka激動劑camp 、 8 - br - camp或磷酸二酯酶抑制劑imbx （ isomethylbutylxanthine ）均可抑制小鼠卵母細胞的胚泡破裂及減數分裂成熟。Acylglycerol ( glyceride ) an ester of glycerol and one or more fatty acids
酰基甘油：一種甘油酯或者一種或幾種脂肪酸。In particular, the resulting active ester with pentafluorophenol facilitated the subsequent reaction with an amine and the hydrazine derivative to yield the c - terminal amide and hydrazide, respectively
特別是與五氟苯酚生成的酯對后續的與氨或肼衍生化分別生成c端酰胺或酰肼非常有利。In order to find replacer for metronidazole and drug selection. some diesters or esters of acids containing nitrogen with metronidazole were designed and synthesized, which have difference in water - solubility. metronidazole was reacted with the corresponding amino or imino multi - carboxylic acid compounds in the presence of acetic anhydride or thionyl chloride or dcc. the intermediate of nitrilotriacetic acid with ac
為尋找羥乙基甲硝唑的替代物，分別採用酸酐法酰氯法或dcc法，將氨基羧酸與羥乙基甲硝唑反應，得到5個親水性不同的單酯或二酯，用ms譜確證了次氨基三乙酸與乙酸酐反應的中間物，並對得到的酯的The product is a off - white crystallized particle. it is insolvable in water, and soluble in alcohol, ethyl acetate or benzene
本產品為類白色固體，產品不溶於水，可以溶於酒精、乙酸乙酯或苯。Conventional available fat emulsions contain long - chain triglycerides ( lct ) which has been considered association with numerous adverse effects including impaired immune, pulmonary, hepatic and platelet functions
目前臨床上常用的脂肪乳劑是富含長鏈甘油三酯的脂肪乳劑，其大劑量或長期使用被認為可影響機體網狀內皮系統、肝臟等重要臟器的功能。With your know - how with things alcohol, mica, with titanium, lithopone or paraffin, phosphate, also polyethylene and titanium dioxide, its worth it to enquire by e - mail, in order to receive an interesting offer from the enterprise
通過電子郵件或電話咨詢方式，您可以獲悉關于供給營養、喂養、給食、營養、食物、贍養、撫養、替換材料的具體介紹，您當然也可以垂詢鈣和磷鹽酸、磷酸酯。分享友人