查询词典 triacetate

Acetate-Base Film: Any film with a support that contains cellulose triacetate; safety film.

醋酸纤维片基∶任何具有片基的胶片其片基由三醋酸纤维素酯组成；安全胶片。

Cellulose triacetate is the product of a chemical reaction between cellulose and acetic acid. Vinegar syndrome is the reverse reaction of the breakdown of the acetate.

醋酸纤维素是纤维素和醋酸反应的产物，而醋酸综合症就是醋酸盐衰化中退化反应的结果。

Cellulose diacetate and cellulose triacetate, for example, are not attacked by microorganisms because most of the hydroxyl groups have been converted to acetate groups.

比方说由于大部分的羟基已经被转化成了醋酸基，双乙酸纤维素和三乙酸纤维素就不再受微生物的侵蚀。

SO(superscript 2- subscript 4)/ZrO2-TiO2 solid super acid was prepared and used as the catalyst for synthesis of glycerol triacetate from glycerol and acetic acid.

采用复合固体超强酸SO(上标 2-下标 4)/ZrO2-TiO2为催化剂，甘油和醋酸为原料，结合醋酸精馏回流工艺，合成了三醋酸甘油酯。

As the dichloro methane are mainly used for isododecane, flushing agent and the original material of triacetate fiber rubber sheet.

由于二氯甲烷具有不可燃性和极强渗透性以及易挥发性等优良性能，被誉为多功能超强溶剂的代表。

The optimum conditions were obtained: reaction time 10 h, amount of catalyst for the quality of glycerin 5%, molar ratio of glycerin to acetic acid 1:8, under which the yield of glycerol triacetate reached 93.8%.

实验结果表明，反应时间10h，催化剂用量为甘油的5%，甘油／乙酸=1：8的条件下，三醋酸甘油酯的收率达93.8%。100~130℃时，反应活化能为113.245kJ/mol。

The factors,including triphenyl phosphate content, hydrolization time,the volume of water and catalyzer concentration,affecting degree of substitution of cellulose triacetate in hydrolization are studied.

研究了增塑剂磷酸三苯酯含量、含水量、催化剂的比例以及水解时间对三醋酸纤维素水解产物取代度的影响。

The extracting ability of several organic solvents such as ethyl acetate, butyl acetate, glycerol triacetate, iso-amy lacetate, and n-butanol, was compared, and it was found that ethyl acetate was a good kind of organic solvent.

比较了几种不同的有机溶剂：正丁醇、乙酸丁酯、乙酸乙酯、三乙酸甘油酯、乙酸异戊酯等的萃取能力，发现乙酸乙酯是一种理想的提取溶剂。

Glycerol triacetate was synthesized using several acidic functional ionic liquids as the catalysts.

将几种酸功能化离子液体应用于三醋酸甘油酯的合成反应中，筛选出了一种催化效果好又可以重复使用的离子液体[HSO3-pmim][HSO4]。

With glycerol triacetate and emulsion of soyabean oil as a substrate,by determining the current responded from the microbial electrode to the substrate,the esterase and lipase activity could be determined.

应用该方法测定厌氧和好氧反应器内生物膜及悬浮污泥的酶活性时发现，测出的酶活性量大小与单位质量污泥的有机物去除负荷紧密相关。

In the negative and interrogative forms, of course, this is identical to the non-emphatic forms.

。但是，在否定句或疑问句里，这种带有"do"的方法表达的效果却没有什么强调的意思。

Go down on one's knees;kneel down

屈膝跪下。。。下跪祈祷