isopropyl

[ˌaɪsə'prəʊpɪl]
  • isopropyl
  • n.

    异丙基;

纠错 数据更新时间:2026-06-10 07:58:04
1、

Use appropriate cleaning solvent such as isopropyl alcohol, do not use soap or detergent.

使用合适的溶剂如异丙醇清洁, 切勿使用肥皂或洗涤剂.

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2、

Mixing colour solution contains isopropyl alcohol, triethanolamine, masking reagent and Br-PADAP.

载流溶液为异丙醇,混合显色剂组分为异丙醇、三乙醇胺、Br-PADAP和掩蔽剂。

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3、

Alkylation of benzene with propylene to isopropyl benzene with ionic liquid as catalyst

一种用于苯-丙烯烷基化反应制异丙苯的离子液体催化剂

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4、

Isopropyl ether is an important industrial solvent and organic feedstock.

异丙醚(IPE)是一种重要的工业溶剂和有机原料,它主要应用于医药、烟草、环保和化工等行业。

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5、

Among the five chosen substrate, asymmetric hydrolysis of methyl ester or isopropyl ester formed S (+)-ibuprofen of 97% ee.

在试验的五种布洛芬消旋酯中,水解甲酯和异丙酯生成s(+)-布洛芬ee可达97%,乙酯为93%以上;

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6、

Cumene adsorbed on the basic sites of CaO through H atom on tertiary carbon of the isopropyl group, which caused the weakening of the C-H bond on tertiary carbon of isopropyl group, and was favorable to peroxidation of cumene.

异丙苯通过异丙基叔碳原子上的氢原子与CaO催化剂表面碱中心发生化学吸附,弱化了异丙基叔碳原子上的C&H键,从而有利于催化异丙苯氧化合成CHP的反应。

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7、

Firstly, the synthetic technics of O-isopropyl-N-ethyl thionocarbamate was worked over.

首先研究了O-异丙基-N-乙基硫氨酯的合成工艺。

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8、

The hydrophilic-to-hydrophobic transition of poly ( N-isopropyl acrylamide)( PNIPAM) microgel was studied using a Video based contact angle measuring device.

采用光学视频接触角测量仪研究了聚(N-异丙基丙烯酰胺)(PNIPAM)微凝胶在相转变前后的亲疏水性变化。

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9、

The activation energies of isopropyl, secondary butyl and 1-phenyl ethyl alcohols have been experimentally determined to be 21.0, 20.9 and 16.9 Kcal/ mole respectively.

实验得到的异丙醇,2-丁醇和1-苯乙醇脱氢的活化能分别为21.0,20.9和16.9千卡/克分子。

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10、

O-benzoic acid-p ′-isopropyl phenyl sulfide is synthesized by the reaction of o-chlorobenzoic acid with p-isopropyl thiophenol in the strong basic solution. The productivity of the topic compound is 95% under proper experimental conditions.

以邻氯苯甲酸和对异丙基苯硫酚为原料,以十氢化萘为溶剂,在185&190℃,碱性条件下合成了邻苯甲酸对异丙基苯硫醚,产率可达95%,纯度达98%

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11、

The study depicts the process of tetramethyl ammonium hydroxide pentahydrate and isopropyl alcohol azeotropic in the case of negative pressure 0.1 Mpa for 4h, and then dried by vacuum.

实验研究了在负压0.1MPa的情况下,五水四甲基氢氧化铵与异丙醇共沸4h,然后减压真空干燥得到四甲基氢氧化铵三水结晶化合物的过程。

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12、

Ingredients: France isotonic, hyaluronic acid, white mulberry extract, cucumber extract , isopropyl palmitate, isopropyl myristate, glycerol etc.

成分: 法国等渗温泉水 、 透明质酸 、 白桑葚提取物 、 小黄瓜萃取精华、棕榈酸异丙酯 、 肉豆蔻酸异丙酯、甘油等.

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13、

The resulting strains were induced by isopropyl thiogalactoside(ⅰ PTG) for expression.

对得到的菌株进行异丙基硫代半乳糖苷(ⅠPTG)诱导表达。

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14、

Seven chiral phase-transfer catalysts, among which three have not been reported so far, have been prepared and applied to the asymmetric alkylation of α-isopropyl benzyl cyanide and α-isopropyl-p-chlorobenzyl cyanide.

本文报道了用七种手性相转移催化剂(其中三种未见文献报道)催化氯化苄或溴丁烷对α-异丙基对氯苯乙腈或α-异丙基苯乙腈的不对称烷基化反应。

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15、

N-ethyl-o-isopropyl thioamide that is a floating agent of heavy metal mineral which is prepared with xanthate and chloroacetic acid as raw materials.

以黄药、氯乙酸等为原料合成重金属矿物浮选剂N-乙基-O-异丙基硫代碳酰胺。

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16、

Methods 2-naphthylhydrazine was prepared from 2-naphthylamine via diazotization and reduction reactions, followed by a Fischer indole synthesis with isopropyl methyl ketone to give 1,1,2-trimethyl-1H-benz [ e] indole.

方法由2-萘胺经重氮化反应、还原反应制得2-萘肼,再与甲基异丙基酮经费歇尔吲哚合成反应制得目标化合物。

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17、

Product Name: Tetra-isopropyl Titanate Other Name : Tetra-isopropoxytitanium Chemical structural formula : Property: Colorless or yellowish transparent liquid.

用途: 产品名称: 钛酸异丙酯别名:分子结构式: 性状: 无色或微黄色透明液体.

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18、

Keep isopropyl alcohol away from open flame.

保证酒精远离明火.

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19、

Small bottle or individual swabs of isopropyl alcohol.

小罐装或一次性的医用异丙醇.

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20、

Synthesizing of Isopropyl Ether with DNW High Temperature Colophony Catalyst Development of Composites for the Amylum Colophony-Natural Fibre Needle Punched Felt

以DNW高温树脂为催化剂合成异丙醚淀粉树脂/天然纤维毡复合材料的开发

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21、

951. When isopropyl alcohol as solvent, the molecular weight of EVA is 1.32 × 10~ 4.

当异丙醇为溶剂时,EVA的平均相对分子质量为1.32×104。

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22、

In the range of room temperature ( about 20~ 30), 100% propylene conversion and 87% selectivity of isopropyl benzene was obtained when the ratio of benzene to propylene was 8:1 in weight and the amount of catalyst was 1/ 3 weight of benzene;

在室温范围内(20~30℃),当苯与丙烯质量比为8:1,离子液体催化剂的用量占苯质量的1/3时,可获得100%的丙烯转化率和87%的异丙苯选择性;

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23、

Solubility and Liquid-Liquid Phase Balance of Isopropyl Alcohol-Ammonium Sulfate-Water Ternary

异丙醇-水-硫酸铵的溶解度和液-液相平衡

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24、

The principle and condition of synthesis Isopropyl benzoate with catalyst of ferric chloride was researched.

探讨了氯化铁催化合成苯甲酸异丙酯的反应条件及机理.

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25、

Fusion protein was expressed in Escherichia coli by the isopropyl thiogalactoside ( IPTG) induction.

用IPTG(异丙基-硫代-β-D-半乳糖苷)诱导融合蛋白在大肠杆菌中表达;

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26、

Under the optimum condition the yield of isopropyl cyclopropane carboxylate is 92 %.

在最佳反应条件下,环丙烷羧酸异丙酯的产率达92%.

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27、

Several production methods, application and market demands of methyl isopropyl ketone were introduced.

介绍了甲基异丙基酮的生产方法 、 应用、市场需求.

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28、

Isopropyl p-hydroxybenzoate was synthesized with toluene-p-sulfonic acid as catalyst.

以对 甲苯 磺酸为催化剂合成了尼泊金异丙酯.

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29、

This article refers to the synthesis of methyl isopropyl ketone using isobutylaldehyde-acetic acid as raw materials.

阐述了异丁醛乙酸工艺制备甲基异丙基酮的中试所涉及的若干工程技术问题.

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30、

Synthesis of Methyl Isopropyl Ketone and Diethyl Ketone on ZrO_2/ MnO_x/ ZnO Catalyst

ZrO2/MnO x/ZnO催化剂上合成甲基异丙基酮和二乙基酮

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