查询词典 acetic

The effect of several variables such as temperature, concentration of acetic acid and initial concentration of xylose on furfural yield was studied.

考察了催化剂浓度、温度和木糖溶液初始浓度对糠醛收率的影响。

Acetic acid is the most important component of furfural wastewater, which was degraded by UV/O3 method.

利用UV/O3法对糠醛废水中的乙酸进行光氧化降解实验。

Showed that: After being treated with the combined antiseptic germicide of 60% ethanol, 0 5% lactic and 0 2% acetic acid, together with calcium alginate coating, the cooked meat was left unspolled at 28 ℃ for 7 days.

将两种可食性涂膜材料，分别与无毒抑菌剂联合使用，对熟肉制品进行保鲜处理，研究表明，经 60 %乙醇、 0 。5%乳酸和 0 。2 %醋酸复合抑菌剂浸泡，并以海藻酸钠涂膜包被，处理后的熟肉制品在 2 8℃保温 7天不腐败变质，细菌总数及大肠菌群均未检出

As a kind of widely used fine chemical, glyceryl triacetate was synthesized by esterification of glycerin with acetic acid.

三乙酸甘油酯是一种用途广泛的精细化工产品。

As a kind of widely used fine chemical,glyceryl triacetate was synthesized by esterification of glycerin with acetic acid.

以乙酸、甘油为原料，通过酯化反应合成乙酸甘油酯。

SODIUM GLYCOLATE— Transfer about 500 mg of it, accurately weighed, into a 100-mL beaker, moisten thoroughly with 5 mL of glacial acetic acid, followed by 5 mL of water, and stir with a glass rod to ensure proper hydration (usually about 15 minutes). Slowly add 50 mL of acetone while stirring, then add 1 g of sodium chloride, and stir for several minutes to ensure complete precipitation of the carboxymethylcellulose.

乙醇酸钠—取本品500mg，精密称定，置于100mL烧杯中，用5mL冰乙酸完全润湿，接着加5mL水，并用玻棒搅拌使水合作用完全（搅拌时间一般为15分钟），边振摇边缓缓加入50mL丙酮，再加入1g氯化钠，振摇几分钟以确保羧甲基纤维素沉淀完全。

Theresults showed that the average pene-tration rate was 62% before adminis-tration of gossypol acetic acid.

结果表明，在口服醋酸棉酚前的9名男性精子对金黄地鼠卵的穿透率平均为62%。

No significant changes in the concentrations of K and Ca are observed, although the concentration of Ca of mice fed with gossypol acetic acid is lower.

本实验用PIXE法分析大鼠血清中的微量元素，观察了醋酸棉酚对这些元素的影响。

Its main synthesis method is nitration of guaiacol by fuming nitric acid and glacial acetic acid as nitration agent.

它的合成目前主要采用愈创木酚硝化法，以发烟硝酸和冰醋酸混酸做硝化剂。

With semi-lignified branches of 2-year-old C. surattensis, that haleness and no diseases and pests as the materials, and treatment with clean water as CK, the effects of 250, 500, 1000 mg/L indole butyric acid and 250, 500, 1000 mg/L naphthalene acetic acid on survival rate, plant height, average rooting number and root length of shoot were studied.

方法］以生长健壮、无病虫害2年生黄花槐的半木质化枝条为材料，以清水处理为对照，研究250、500、1000 mg/L吲哚丁酸和250、500、1000 mg/L萘乙酸处理对枝条成活率、株高、平均生根数及根长的影响。

The split between the two groups can hardly be papered over.

这两个团体间的分歧难以掩饰。

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。