烯醇
- 与 烯醇 相关的网络例句 [注:此内容来源于网络,仅供参考]
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PVC resin, PTFE resin, fumaric acid, anthraquinone, nitroanthraquinone, paraaminophenol, melamine, cyanuric acid, sulfanilic acid, chemical inhibitor 168, azoic coupling component As, stearate, aniline, nitroaniline, pentaerythritol, chlorcosane, sodium calcium, triethylene diamine, sodium benzene sulphinate, m-phthalic acid, thiourea, aniline black dyestuffs, acid dyestuff, etc.
聚氯乙烯树脂、聚四氟乙烯树脂、反丁烯二酸、蒽醌、硝基蒽醌、对氨基苯酚、三聚氰胺、氰尿酸、对氨基苯磺酸、抗氧剂168、色酚As、硬脂酸盐、苯胺、硝基苯胺、双季戊四醇、氯???腊、甲酸钙、三乙烯二胺、苯亚磺酸钠、间苯二甲酸、二甲酯五磺酸钠、硫脲、油溶性苯胺黑染料、酸性黑染料等有机化工原料和中间体。
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Isobornyl methacrylate ; Ion exchgange resin ; Methacrylic acid ; Camphene ; Kinetics
甲基丙烯酸莰醇酯;离子交换树脂;甲基丙烯酸;莰烯;反应动力学
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Were extracted by sterilize distillation and analyzed by GC-MS, 69 constituents were identified according to NIST MS database, the main constituents were thymol, carvacrol, p-cymene, caryophyllene, terpineol. 27 constituents from this plant were discovered for the first time. The phytochemical study of this plant was also conducted.
通过水蒸气蒸馏法提取牛至挥发油,利用GC-MS现代技术分析,通过NIST质谱库检索,鉴定了挥发油中的69种成分,其主要成分为麝香草酚、香荆芥酚、对聚伞花素、石竹烯、松油醇等;其中27种化合物为首次从该植物中鉴定。
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Results Two compounds were isolated from D. diandra. Theirs structures were identified as 6-carboxymethy1-5,7,4'-trihydroxyflavone and l-O-β-D-glucopyranosyl-(2S,3R,4E,8E)-Z-N-(2'-hydroxypalmitoyl) octadecasphinga-4,8-dienine(soya cerebroside Ⅰ,Ⅱ).
结果分离并鉴定了2个化合物:6-羧甲基-5,7,4'-三羟基黄酮和4,8-N-[2'-D-羟基-十六烷酰基]-1-O-D-吡喃葡萄糖基-4,8-二烯-十八鞘氨醇。
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However the chlorohydrin route generates chlorinated by-products, mainly dichloropropane and CaCl_2, which results in equipment erosion and serious environmental pollution, while the co-production route needs large investment and its economic benefit is linked to market of the by-products, namely styrene or tert-butyl alcohol.
氯醇法设备腐蚀和环境污染严重,共氧化法设备投资巨大且受到联产物——苯乙烯或叔丁醇销路的制约。1983年,Taramasso首次报道了钛硅分子筛(TS-1)的合成,为低碳烯烃选择氧化开辟了一条新的途径。
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Meanwhile, the synthetic route is simplified by avoiding chromatograph and might be benefit for industrialization.
同时还优化了反应过程,避免了柱色谱分离,有利于多烯紫杉醇的工业化生产。
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Glycerin and the glycol matter behind the combustion, not only may make smoker trouble bladder cancer, moreover the what comes into being acrolein may restrain the air tube and cilium secreta from lung inner snapout, increase the chance suffering from the tracheitis and emphysema thereby , make the person state of illness developing this two kinds disease increase weight and.
甘油和乙二醇在燃烧后的物质,不但可能使吸烟者患膀胱癌,而且所产生的丙烯醛可抑制气管和纤毛分泌物从肺内排出,从而增加患气管炎和肺气肿的机会,并使患有这两种病的人病情加重。
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In the synthetic procedure to chiral docetaxel C13 side chain, the expensive cinchona alkaloid derivatives can be recycled, which dramatically decreased the reaction cost.
在多烯紫杉醇手性C13侧链的合成过程中,对价格昂贵的金鸡纳生物碱衍生物配体进行了回收和再利用,大大降低了反应成本。
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The Australian standards require that the oil of Melaleuca alternifolia must be composed of less than 15% cineole and over 30% terpinen-4-ol.
根据澳洲政府所定立的标准,茶树油需要符合案叶油少於15%而松油烯-4醇超过30%的合理成分表。
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Our Tea Tree Oil is composed of less than 5% cineole and over 35% terpinen-4-ol which qualifies for Pharmaceutical Grade as established by the Australian Tea Tree Oil Industry Association.
本产品茶树油案叶素含量少於5%而松油烯-4醇含量则超过35%,符合澳州茶树油行业协会所订的"医药级"茶树油规格。
- 推荐网络例句
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I am accused of being overreligious," she said in her quiet, frank manner,"but that does not prevent me thinking the children very cruel who obstinately commit such suicide.""
客人们在卡罗利娜·埃凯家里,举止就文雅一些,因为卡罗利娜的母亲治家很严厉。
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Designed by French fashion house Herm è s, this elegant uniform was manufactured in our home, Hong Kong, and was the first without a hat.
由著名品牌 Herm è s 设计,这件高贵的制服是香港本土制造,是我们第一套不配帽子的制服。
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Do not 'inflate' your achievements and/or qualifications or skills .
不要 '夸大' 你的业绩或成果,条件或者技能。