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戊醇

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It can be mutually dissolved with water, methanol, ethanol, amyl alcohol, phenol, glycerin and so on.

乙二醇闪点为116℃,沸点为197.6℃,燃点为121℃,常温下为无色透明粘稠液体,易吸潮,与水、甲醇、乙醇、戊醇、苯酚、甘油等互溶,微溶于乙醚。

Research on techniques for the synthesis of ACR impact modifier with core-shell structure;2. Preparation of polymer-tungsten-silica composite microspheres with multi-layer core-shell structures;3. Organosilicon-acrylate micro emulsion with core-shell structure was synthesized with OP-10,JFC and amyl alcohol nonionic compounded emulsifier by means of seeded emulsion polymerization.

运用种子乳液聚合工艺以OP-10/JFC/戊醇非离子复合乳化剂合成了具有核-壳结构的有机硅-丙烯酸酯微乳液,研究了复合乳化剂类型、丙烯酸酯单体、有机硅单体加入方式和含量、pH值、硫醇对微乳液聚合过程中稳定性和光泽度的影响,通过差示扫描量热仪和透射电镜对微乳液的结构进行了表征。

Organosilicon-acrylate micro emulsion with core-shell structure was synthesized with OP-10,JFC and amyl alcohol nonionic compounded emulsifier by means of seeded emulsion polymerization.

运用种子乳液聚合工艺以OP-10/JFC/戊醇非离子复合乳化剂合成了具有核-壳结构的有机硅-丙烯酸酯微乳液,研究了复合乳化剂类型、丙烯酸酯单体、有机硅单体加入方式和含量、pH值、硫醇对微乳液聚合过程中稳定性和光泽度的影响,通过差示扫描量热仪和透射电镜对微乳液的结构进行了表征。

And propanol and butanol formed from distillation of fermented liquors.

戊醇、丙醇和丁醇的混合物,由发酵醪液蒸馏形成。

Some materials were synthesized in this paper at first, 1-nitro-2-pentanol was synthesized with nitromathane and butyraldehyde and the yield was 70.2%; l-nitro-2-pentanol was reduced to 1 -amino-2- pentanol with iron and the yield was 65.2%.

分别用氢氧化钠、三乙胺为缚酸剂,2-氨基-1-丁醇、1-氨基-2-戊醇、环己酮和二氯乙酰氯为原料,采用一步法和分步法合成了两种潜在除草剂安全剂。

Taking Na_2SnO_3·3H_2O as raw material, organic reagent (pentyl alcohol, butyl alcohol, cyclohexane) as dispersant, and adding anion surfactant (sodium dodecyl alkylbenzen sulfonate, ABS), uniform ultrafine SnO_2 powder is prepared by hydrothermal method using Sn_4 deposition as precursor.

以Na2SnO3·3H2O为原料,有机试剂(正戊醇、正丁醇、环己烷)为分散剂,同时加入阴离子表面活性剂(十二烷基苯磺酸钠,ABS),以氢氧化锡沉淀为前驱体,用水热法制备了粒度均匀的SnO2超细粉体。

Two compounds were synthesized with two methods. The two compounds can be synthesized by two steps with triethylamine as catalyst.

分别用氢氧化钠、三乙胺为缚酸剂,3-氨基-2-丁醇、2-氨基-3-戊醇、环己酮和二氯乙酰氯为原料,采用一步法和分步法合成了两种潜在除草剂安全剂。

The orthogonal experimental result showed that the optimum reaction conditions were as follows: citric acid 7.7 g, isoamyl alcohol 21.7 mL(the molar ratio of citric acid to isoamyl alcohol, 1:5); 1.0 g (4% of the total weight of raw material) NaHSO4H2O as catalyst; 25 mL dimethyl benzene as deaquation reagent; microwave irradiation time 15 mm; the yield of product was 83.2%(the rate of esterification was 95.1%).

通过正交实验,得到最佳的工艺条件如下:柠檬酸7.7g,异戊醇21.7mL(酸醇摩尔比为1:5);一水合硫酸氢钠作催化剂,用量为1.0 g(为原料总质量的4%);带水剂为二甲苯,用量为25mL;微波辐射时间为15min。

The results showed that the use of tourmaline could increase alcoholic fermentation speed of molasses, the fermentation speed kept increasing with the increase of the use level of tourmaline, however, as its use level was above 11 %, the increase of fermentation speed was inevident; the use of tourmaline had no side-effects on the content of the main impurities including methanol, n-propyl alcohol, isobutyl alcohol, isoamyl alcohol; though it had weight loss after a period of use, it could still promote alcoholic fermentation of molasses.

结果表明,电气石对提高酵母酒精的发酵速率有促进作用,随着使用量的增加,发酵速率也随着提高,当使用量超过11 %时,发酵速率的继续提高不明显;电气石对发酵过程主要杂质甲醇、正丙醇、异丁醇、异戊醇等没有影响;电气石在使用一段时间后,重量减轻,但仍有促进发酵的作用。

The synthesis of isoamyl acetate with sulfuric acid and TBAB as catalyst was studied,and the effects of the raw material ratio,the dosage of catalyst and reaction time on the yield were investigated.

以冰乙酸和异戊醇为原料,用浓硫酸和四丁基氯化铵混合物催化合成乙酸异戊酯。

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I can not make it blossom and suits me

我不能让树为我开花

When temperatures are above approximately 80 °C discolouration of the raceways or rolling elements is a frequent feature.

当温度高于 80 °C 左右时,滚道或滚动元件褪色是很常见的特征。

The lawyer's case blew up because he had no proof.

律师的辩护失败,因为他没有证据。