查询词典 acetic
- 与 acetic 相关的网络例句 [注:此内容来源于网络,仅供参考]
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A method for determining contents of seven kinds of residual organic solvents such as methanol, ethanol, methylene chloride, ethyl aetate, toluene, tetrahydrofuran and acetic acid in a new pharmaceutical-developing (UP0044) was established by capillary gas chromatography.
建立了测定新药UP0044中甲醇、乙醇、二氯甲烷、乙酸乙酯、甲苯、四氢呋喃、乙酸7种有机溶剂含量的方法,以确定它们在药物中的残留量和比例。
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Only formic, lactic, acetic, and oxalic acids, menthol, thymol, eucalyptol, and camphor may be used for Varroa control
只有蜂酸、乳酸、醋酸、草酸、薄荷醇、麝香草酚、桉油精和樟脑可被用于Varroa 控制。
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Formic acid, lactic acid, acetic acid, oxalic acid, menthol, thymol, eucalyptol or camphor are used preferably to chemically synthetised products in cases of infestation with Varroa jacobsoni.
万一受到蜂螨群袭,蚁酸、乳酸、醋酸、草酸、薄荷醇、麝香草酚、桉油精或樟脑的使用优先于化学合成的药品。
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The paper introduces method and step of determination formic acid and acetic acid in exhaust gas by ion chromatography.
阐述了离子色谱法测定废气中甲酸、乙酸含量的方法和步聚。
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Methods: Used the methods of inflammatory caused by dimethy, benzene, acetic acid twisting, carbon expurgation and the experiments in diabetic model mice, to observe the pharmacological actions of tigogenin; and acute toxicity was observed.
采用二甲苯致小鼠耳廓肿胀法、小鼠醋酸扭体法、小鼠碳末廓清法、葡萄糖引起高血糖小鼠模型,观察剑麻皂素的药理作用;并对剑素麻皂素进行急性毒性实验。
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MethodsUsed the menthods of inflammatory caused by dimethy,benzene,acetic acid twisting, carbon expurgation and the experiments in diabetic model mice, to observe the pharmacological actions of tigogenin;and acute toxicity was observed.
方法采用二甲苯致小鼠耳廓肿胀法、小鼠醋酸扭体法、小鼠碳末廓清法、葡萄糖引起高血糖小鼠模型,观察剑麻皂素的药理作用;并对剑素麻皂素进行急性毒性实验。
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The better reaction conditions are as follows: Reaction temperature is 40°C, Reaction time is 5 hour; the ratio of L - phenylalanine to acetic acid and N - formyl - L- aspartyl anhydrideis 1:10.2:1.1, Its yield is 95.4%.
在查阅文献的基础上,得到较优的α-L-天冬氨酰L-苯丙氨酸甲脂盐酸盐的合成方案,在甲醇一水体系中,N-甲酰-α-L-天冬氨酰-L-苯丙氨酸在浓盐酸的作用下60℃水解90分钟,后冷却到15℃加入浓盐酸在20~30℃保温反应96小时,进行甲脂化,形成甲脂盐酸盐,结晶析出。
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Its commercial technologic processes and products,such as Acetic Acid Production by Carbonylation of Methanol,Formyl Morpholine,Steam Reforming Catalyst,Low Pressure Methanol Synthesis,Dimethyl Formamide Production by Dehydrogenation of Methanol,Dimethyl Ether Synthesis by Methanol Dehydration,Hydrogen Production by Methanol Cracking,Methanol Synthesis Catalyst,PSA Gas Separation Devices, and etc.,have been applied in more than 800 plants over fields including chemical industry,petrochemical,food, metallurgy,machinery,military industry.Many technological products were exported to American,European,Asian countries as well as Hong Kong,Macao and Taiwan.Remarkable economic and social benefits are achieved.
甲醇羰基化合成醋酸,甲酰吗啉,转化催化剂,低压合成甲醇,甲醇脱氢制二甲基甲酰胺,甲醇脱水制二甲醚,甲醇裂解制氢,合成甲醇催化剂,变压吸附制氢等成套工业装置和产品应用于全国800多家化工,石化,食品,冶金,机械,军工等企业,并出口美国,欧州,亚州等国及港,澳,台地区。
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Experimental process: jing and 3- methyl -2- methyl ethyl ketonesynthesizes by the benzene zong; Again the glacial acetic acidcatalysis produces 2, 3, 3 - trimethyl - 3H - yinduo; Again has thealkylate response production yinduo iodide after the methyl iodide;The iodide takes off molecular HI under NaOH to become freejier thealkali; Adds 5 - nitryls salicylic aldehydes in the ethyl alcohol forthe solvent under if to respond finally produces 6 '- the nitryl yinduolin spiral benzene and pinan; Through the infrared spectrum andthe ultimate analysis irrevocably proved its structure, and studiedthe annulus with to open the annulus the light to send changes colorthe performance, explained in different solvent medium ultravioletabsorption spectrometry solvent effect, and the comparisondiscoloration the response speed number difference, finally mixed itadds to the methyl methacrylate, the peroxidation benzoin formyl in the plexiglass, tested 6 '- the nitryl yinduolin spiralbenzene and pinan in the glass fatigue resistance, thethermostability.
实验过程:由苯肼和3-甲基-2-丁酮合成腙;再冰醋酸催化生成2 ,3 ,3—三甲基—3H—吲哚;再经过碘甲烷发生烷基化反应生成吲哚碘化物;碘化物在NaOH下脱去一分子HI成为费歇尔碱;在乙醇为溶剂下加5-硝基水杨醛与其反应最后生成6'—硝基吲哚啉螺苯并吡喃;通过红外光谱和元素分析确证其结构,并研究了环体与开环体的光致变色性能,解释了在不同溶剂介质中紫外吸收光谱的溶剂效应,并比较褪色反应速率数的差异,最后将其掺加到甲基丙烯酸甲酯,过氧化二苯甲酰有机玻璃中,测试6'—硝基吲哚啉螺苯并吡喃在玻璃中的抗疲劳性、热稳定性。
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Budapestensis in maltose, fucose, D-gluconic acid and acetic acid utilizations.
budapestensis存在一定的差异,可能是由于菌株的生态差异造成的。
- 推荐网络例句
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The split between the two groups can hardly be papered over.
这两个团体间的分歧难以掩饰。
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This approach not only encourages a greater number of responses, but minimizes the likelihood of stale groupthink.
这种做法不仅鼓励了更多的反应,而且减少跟风的可能性。
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The new PS20 solar power tower collected sunlight through mirrors known as "heliostats" to produce steam that is converted into electricity by a turbine in Sanlucar la Mayor, Spain, Wednesday.
聚光:照片上是建在西班牙桑路卡拉马尤城的一座新型PS20塔式太阳能电站。被称为&日光反射装置&的镜子将太阳光反射到主塔,然后用聚集的热量产生蒸汽进而通过涡轮机转化为电力