乙酸
- 与 乙酸 相关的网络例句 [注:此内容来源于网络,仅供参考]
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Ingredients:water,glycerin,caprylic/capric triglyceride, cetyl alcohol ,propylene glycol,glyceryl stearate,panthenol,betaine dimethicone,simmondsia chinensis, rosa rugosa flower extract,allantoin,carbomer,parfum,triethanolamine,tocopheryl acetate,methyl paraben,propyl paraben,creatine,tetrasodium edta,phenoxyethanol,caprylyl glycol,sorbic.
成分:去离子水,甘油,辛酸/葵酸三甘油酯,鲸蜡醇,丙二醇,硬脂酸甘油酯,泛醇,甜菜碱,聚二甲基硅氧烷,霍霍巴油,玫瑰花提取液,尿囊素,卡波姆,香精,三乙醇胺,生育酚乙酸酯,对羟基苯甲酸甲酯,对羟基苯甲酸丙酯,肌酸,乙二胺四乙酸四钠,苯氧乙醇,辛二醇,山梨酸。
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Ingredients: Water,Glycerin,Caprylic/Capric Triglyceride,Myristyl Myristate,Butyrospermum Parkii Butter,Glyceryl Stearate,Panthenol,Betaine,Dimethicone,Hydrolyzed Collagen,Allantoin,Polysorbate-60,Carbomer,Xa-nthan Gum,Parfum,Triethanolamine,Tocopheryl Acetate,Hyaluronic Acid,Methyl Paraben,Propyl Paraben,Creatine,Tetrasodium Edta,Phenoxyethanol,Caprylyl Glycol,Sorbic.
成分: 去离子水,甘油,辛酸/葵酸三甘油酯,肉豆蔻酸肉豆蔻酯,乳木果油,硬脂酸甘油酯,泛醇,甜菜碱,聚二甲基硅氧烷,水解胶原蛋白,尿囊素,聚山梨醇酯-60,卡波姆,汉生胶,香精,三乙醇胺,生育酚乙酸酯,透明质酸,对羟基苯甲酸甲酯,对羟基苯甲酸丙酯,肌酸,乙二胺四乙酸四钠,苯氧乙醇,辛二醇,山梨酸。
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The use of benzazepin-N-acetic acid derivatives which contain an oxo group in the a position to the nitrogen atom and are substituted in the 3 position by a 1--cyclopentyl-carbonyl-amino radical, and of their salts and biolabile esters, for the prophylaxis and/or treatment of heart damage caused by cardiotoxic doses of medicaments or chemicals, in larger mammals and in particular humans.
本发明涉及苯并氮杂∴-N-乙酸衍生物及其盐和生物不稳定的酯的应用,其中苯并氮杂∴-N-乙酸衍生物在氮原子的α位置含有氧代基,且在3-位置上被1--环戊基-羰基-氨基残基取代,用于预防和/或治疗大的哺乳动物和特别是人体的心脏损伤,其中心脏损伤是由心脏中毒剂量的药物或化学品引起的。
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The synthesis of butyl acetate with acetic acid and butanol as reactants and ammonium ceric sulfate as catalyst was studied.
研究了以硫酸铈铵为催化剂,乙酸和正丁醇为原料合成乙酸正丁酯,通过试验确定了最佳合成条件,结果表明,在适宜条件下其酯化率可达 93.4 %。
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The isopropyl chloracetate was synthesized by esterification of chloracetic acid with isopropyl alcohol using aluminium phosphotungstate as catalyst.
以氯乙酸和异丙醇为原料,磷钨酸铝作催化剂进行酯化反应,合成氯乙酸异丙酯。
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Synthesis of n-butyl chloroacetate from chloroacetic acid and n-butanol in the presence of stannic chloride pentahydrate was studied.
在五水四氯化锡存在下,由氯乙酸和正丁醇合成氯乙酸正丁酯。
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Ethyl phenoxyacetate has been synthesised by the reaction of phenol with ethyl chloroacetate under the condition of solid-liquid phase transfer catalysis using PEG-400 as the catalyst.
于固一液相转移催化条件下,以PEG-400为催化剂,通过苯酚与氯乙酸乙酯反应合成了苯氧基乙酸乙酯。与85%的水合肼作用得到相应的酰肼。
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The optimum synthetic conditions of ethyl chloroacetate are: molar ratio of chloroacetic acid to ethanol is 1:8, the quantity of catalyst[Fe2(SO4)3 xH2O] is 10% of the mass of chloroacetic acid, reaction time is 1 hour, 5A zeolite was used as dehydrating agent. In these conditions, the yield of ethyl chloroacetate was up to 73%.
用Fe_2(SO_4)_3·xH_2O作为催化剂合成氯乙酸乙酯的较佳反应条件是:酸醇物质的量之比为1:8,催化剂用量为氯乙酸质量的10%,以5A分子筛作为脱水剂,回流时间1h,收率达73%以上。
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Meanwhile, the optimum operation conditions obtained by orthogonal experiment are as follows: microwave power is 585 W, irradiation time is 30min, the amounts of catalyst is 1.5% of feed stock, mole ratio of alcohol to acid is 1.5:1, the yield of isoamyl chloroacetate is 93.2% Comparing with conventional heating method, the heating time under microwave irradiation is less than 1/14 of the former.
最佳工艺条件为:微波功率585W,加热时间为25min,催化剂用量为2.0%,醇酸比为1.5:1,此条件下氯乙酸异戊酯的产率为93.2%。对比实验结果表明,微波辐射加热法合成氯乙酸异戊酯的反应速度至少是常规加热法的14倍。
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Production process and market requirement of chloroacetic acid at home and abroad were introduced.
钱伯章,氯乙酸的生产工艺和市场分析介绍了国内外氯乙酸的生产工艺和市场需求。
- 推荐网络例句
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But we don't care about Battlegrounds.
但我们并不在乎沙场中的显露。
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Ah! don't mention it, the butcher's shop is a horror.
啊!不用提了。提到肉,真是糟透了。
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Tristan, I have nowhere to send this letter and no reason to believe you wish to receive it.
Tristan ,我不知道把这信寄到哪里,也不知道你是否想收到它。