酮酯 的英文怎麼說
中文拼音 [tóngzhǐ]-
Eighteen compounds in the oil were identified by g c / ms. they are : seven ketone compounds : 2 - undecanone, 6, 10 - dimethy, 1 - cyclohexanol - l - butanone, 2, 5 - hexanedione, 2 ( 4h ) - benzofuranone, 5, 6, 7, 7, a - tetrahydro - 4, 4, 7a - trimethyl, 3 - buten - 2 - one, 4 - ( 2, 6, 6 - trimethyl - 1 - cyclohex en - 1 - yl ) -, ( e ), 6 - dodecanone, 3 - buten - 2 - one, 4 - ( 2, 6, 6 - trimethyl - 7 - oxabicycl o4. 1. 0hept - l - yl ) ; three alcoholic compounds : a - terpineol. benzyl alcoho 1, phytol ; two alkyl and acyl amine components : undecane, tetradecane and hydrazinecarboxamide, n, n - diphenyl -, acetamidobenzene ; one ester, a idehyde, alkyne and acid : butanoic acid : 2 - propenyl ester, 1 - octadecyne, 1 - octadecyne, palmitic acid
三甲基一7一氧雙環p , l , 0庚烷基什丁烯酮上;醇3種:苯甲醇、 a松油醇、 3 , 7 , 11 , 15十六烯2醇1 ;烷2種:十一烷、十四烷;酚胺2種:姘基甲酚h苯胺、乙酞苯胺;酯、醛、炔、和酸備是1種:丁酸烯丙酯、十八碳醛、十八炔、十六碳酸。Since the middle of 20th century chinese scientists have put considerable effort and resources into the search for new antimalarial compounds extracted from chinese traditional herbs. an antimalarial drug was finally isolated in 1971 and named artemisinin or qinghaosu. its rapid action, low toxicity and powerful effect against falciparum malaria made it a favored subject for research
青蒿素是一種含過氧基團組成縮酮的新倍半萜內酯,我國科學工作者於二十世紀70年代首次從中藥青蒿即菊科植物黃花蒿( artemisiaannua )中分離出青蒿素。This complex reaction is characterized by a keto - enol tautomerism eqilibrium and ester exchange reaction
此螯合反應是由酮一烯醇互變異構平衡過程和酯交換反應組成。Isopropylidene glycerol is prepared by condensation of acetone with glycerol, thereafter it was esterified with octanoyl chloride in pyridine as catalyst, and finally the latter was decomposed with boric acid
摘要以甘油和丙酮為原料制得異丙叉甘油,其與辛酰氯在吡啶催化下酯化,再經硼酸作用下分解得到單辛酸甘油酯。( 2 ) an aminobenthiazole schiff base has been synthesized as a new fluorescence carrier by reacting 2 - aminobenthiazole with p - allyoxybenzoldohyde. the new kind of schiff base can be utilized for preparing an optical sensor, used for determining furazolidone based on the fluorescence quenching. aminobenthiazole schiff base immobilized on a glass plate surface by covalent bonding can circumvent the leakage of the fluorephore from the sensor surface and guarantee a relatively long working lifetime
( 3 )用強熒光基團2 -氨基苯並蒽酮與對烯丙氧基苯甲醛合成了另一種新的schiff堿類化合物,與甲基丙烯酸羥乙酯、丙烯酰胺、環乙二醇二丙烯酸酯共聚制得光極膜,制備了一種苯並蒽酮schiff堿光化學傳感器,可用於單質碘的測定。Our product range for architectural applications includes : silicone sealants, two part polysulphide sealants for insulated glass, one part polyurethane sealants, acrylic sealants, butyl sealants, chemical anchor bolts, epoxy adhesives
我們的產品包括:硅酮密封膠系列、聚氨酯密封膠系列、建築錨固系列、中空玻璃聚硫膠及丁基膠系列、環氧樹脂系列、丙烯酸系列,覆蓋建材及汽車行業的六個大類,共幾十個品種。Protective effects of ethyl pyruvate on acute lung injury rats induced by sepsis
丙酮酸乙酯對大鼠膿毒癥肺損傷的保護作用Authority reports that three national champions we hold now are the production of phosphorus oxychloride, the selling volume of 1 - phenyl - 3 - methyl - 5 - pyrazolone and the export volume in europe of triethyl phosphate. in addition, our p - methoxybenzoic acid has good reputation in japanese market
據國家權威機構統計:氧氯化磷在全國產量最大1 , 3 , 5 -吡唑酮在全國銷售量最大磷酸三乙酯出口量最大對甲氧基苯甲酸在日本也有一定知名度。A series of 9 - arylpolyhydroacridine derivatives have been synthesized by reaction of arylmethylidenecyanoacetate with dimedone in hoac in the presence of ammonium acetate, and the structures were characterized by ir, and 1hnmr
摘要以芳亞甲基氰乙酸酯和達米酮為原料,以醋酸銨為催化劑在乙酸中反應,合成了一系列的9 -芳基多氫吖啶衍生物,並通過ir , 1hnmr證實其結構。By using sterically hindered, electron - rich alkylphosphines and n - heterocyclic carbenes ( nhc ), this process has encompassed a broad range of substrates including ketones, aldehydes, esters, amides, malonates, nitrocompounds, nitriles and sulfones
隨著大位阻、富電子烷基膦和氮雜環卡賓( nhc )為配體的催化體系的出現,該類反應的底物已從酮擴展到醛、酯、酰胺以及含酸性氫的化合物如丙二酸酯、硝基化合物、腈、碸等。A comparative study of serum cholinesterase activity influence and clinicaleffect after patients take risperidone
利培酮對分裂癥患者血清膽堿酯酶活力的影響及療效研究Standard specification for ketone ethylene ester based sheet roofing
酮乙烯酯基薄板屋面材料標準規范In order to study the influence factors of aoa of rose flowers, the effects of drying and extraction methods on the aoa of rose flowers were investigated. the results indicated that drying after high - temperature short - time pretreatment was rather effective to maintain their aoa ; the aoa of water extracts was stronger when the temperature was raised from 25 to 100 ; by using orthogonal test, the optimum extraction conditions of rose flowers were : solvent - 75 % ethanol ; ratio of material and solven - 1 : 10 ; extraction times - three times with 24 h at one time, at the room temperature. the extracts obtained by 75 % ethanol were fractionatedly extracted with petroleum, diethyl ether, ethyl acetate and n - butanol in turn, and the various fractions " aoa were analyzed
為了探討玫瑰花抗氧化活性的影響因子,比較了不同乾燥方法、提取方法對其抗氧化活性的影響,發現:經短時高溫處理后再進行乾燥有利於較好地保持玫瑰花的抗氧化活性;以水作溶劑提取時, 25 100范圍內水提液的抗氧化活性隨著溫度的升高而增強;通過正交實驗篩選得到常溫下玫瑰花抗氧化活性物質的最佳提取方法為: 75乙醇為溶劑,液料比1 : 10 ,提取3次,每次24h ; 75乙醇提取物依次用石油醚、乙醚、乙酸乙酯、正丁醇等有機溶劑進行兩相分部萃取,發現玫瑰花的抗氧化活性物質主要存在於乙酸乙酯部,說明玫瑰花抗氧化活性主要成分可能是單寧類、黃酮苷類和原花色素類化合物; 4N - vinylpymolidone - co - 2 - hydroxyethyl methacrylate ( nw - co - hema ) copolymer had been widely studied and used as soft contact lens and controlled - releasing materials in foreign countrys. but this hydrogel material ' s oxygen penetration capability was closely correlated to its equation water content. when the hydrogel had high equation water content, its oxygen penetration capability was improved, but its mechanism performance was droped
N -乙烯基吡咯烷酮( nvp )和甲基丙烯酸-羥己酯( hema )的共聚物水凝膠作為軟質接觸透鏡材料(隱形眼鏡)和藥物釋控材料,在國外已經得到深入研究和應用,但是這種水凝膠材料的氧氣透過性能與其平衡含水量密切相關,水凝膠含水量較高,其氧氣透過性能有所提高,但材料的機械性能下降。Not resistant to inorganic acid, alkali and strong oxidizing solutions
對強溶劑(如:酮、酯類)及植物油的耐度有限。Effects of dibutyl phthalate on testosterone biosynthesis in rats
鄰苯二甲酸二丁酯對睪酮合成的影響Organic bentonite - yh - 938 serial introduction yh - 938 organic bentonite apply to middle polar solvent system, it has very good thickening property in xylene, alcohols, ketone, or their composition solvent. in solvent which contain alcohols or esters, it enjoy the leading place in thickening and viscidity in china
Yh 938有機膨潤土適用於中極性溶劑體系,二甲苯,重芳烴,醋酸丁酯,酮類,醇類和他們的混合溶劑中具有良好的增稠流變性能,特別是在含醇或含醇溶劑體系中增稠粘度屬國內領先。Since establishment in september 1996, our company has been engaged in the manufacture and processing of pharmaceutical raw materials and pharmaceutical intermediates, which mainly include clobetasol propionate, betamethasone dipropionate ramification intermediate, loperamide hydrochloride, 7 - isopropoxyisoflavone, hydroxyurea, methoxyflavone, 7 - hydroxy isoflavone, 7 - methoxy isoflavone, etc
我公司於1996年9月成立,從事醫藥原料、醫藥中間體的生產、加工,主要產品有:丙酸氯倍他索、倍他米松二丙酸酯、倍他米松戊酸酯、糠酸莫美他松、 5 -甲基- 7 -甲氧基異黃酮、伊普黃酮等。Nh2so3h was used to efficiently perform one - pot, three - component, biginelli condensation reactions of aldehydes, - ketoesters and urea under solvent - free conditions at room temperature by grinding method
摘要以nh2so3h為催化劑,室溫無溶劑條件下,研磨芳醛、 -酮酸酯和尿素合成了一系列1 , 2 , 3 , 6 -四氫嘧啶2 -酮衍生物。Effect of extract of ginkgo biloba leaves on expression of inducible nitric oxide synthase after sciatic nerve injury : experiment with rats
銀杏酮酯對大鼠坐骨神經損傷后誘導型一氧化氮合酶表達的影響分享友人