查询词典 diacetate

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。

The methodrapidly separates a large amount of different kinds of urushioldiacetates.Because the silver ion is very sensitive to theconfiguration and the degree of unsaturation of the unsaturated bonds,urushiol diacetate were well separated.

本文采用涂渍〓的离心旋转薄层层析法，发挥分离速度快，分离量大，固定相利用率高，分离效果好及〓对双键位置及构型作用灵敏等优点，因而使乙酰化漆酚达到了满意的分离。

In China,natural lacquer has been studied for a long time.Because to separate natural homologous is very difficult,it is almostimpossible to obtain a great deal of pure sample.So the structure ofmain constitute of Chinese lacquer urushiol has not an identicalresult due to the incomplete structural data. The urushiol diacetate derived from urushiol have beensuccessfully separated using centrifugal rotational TLC withpreparative silica get thin layer coated silver nitrate.

天然漆的研究，在我国有较长的历史，漆酚组分及结构做过一些工作，但由于天然同系物之间分离的困难，不易大量得到纯的样品，只能通过零星结构数据推断结构，致使中国生漆漆酚主要组分的结构没有一致的认识与确切的结论。

This paper discusses the properties of Sodium Diacetate,a new antifungin,and its inhibition acting on normal mould.

研究了新型防霉剂双乙酸钠对常见霉菌的抑菌作用。

The hepatic metabolism is visualized by imaging sequential uptake of 6-carboxyfluorescein diacetate from hepatocytes and its excretion into bile canaliculi.

藉由观察6-CFDA在肝细胞内被转换并经由微胆管排出，我们真正看到肝脏的代谢功能。

It is referred to in foods as E262 or sodium diacetate.

用在食物中时称作E262或双乙酸钠。

A new method for analysis of finish of diacetate cellulose tow by diffuse reflectance of near infrared spectroscopy was investigated.

研究了应用近红外漫反射技术测定二醋酸纤维丝束中的外油的新方法。

This paper introduced a new preparative method of sodium diacetate within one step and the mate technique of SSDA .

本文采用一步法合成双乙酸钠，介绍了增效双乙酸钠的复配工艺，同时测试其防霉效果。

Dynamic mechanical properties of diacetate fiber with various moisture contents were investigated by DMA. Various relaxations of the fiber and their mechanisms were analyzed.

利用动态力学分析研究不同含水率的二醋酸纤维的动态力学性能，分析二醋酸纤维的各种松弛类型及其机制。

Sodium diacetate,which is the molecular composite of sodium acetate and acetic acid,is a new type of multifunctional addition agent in foods and forages.

双乙酸钠是乙酸钠与乙酸分子的复合物，是一种新型的多功能食品及饲料添加剂。

However, as the name（read－only memory）implies, CD disks cannot be written onorchanged in any way.

然而，正如其名字所指出的那样，CD盘不能写，也不能用任何方式改变其内容。

Galvanizes steel pallet is mainly export which suits standard packing of European Union, the North America. galvanizes steel pallet is suitable to heavy rack. Pallet surface can design plate type, corrugated and the gap form, satisfies the different requirements.

镀锌钢托盘多用于出口，替代木托盘，免薰蒸，符合欧盟、北美各国对出口货物包装材料的法令要求；喷涂钢托盘适用于重载上货架之用，托盘表面根据需要制作成平板状、波纹状及间隔形式，满足不同的使用要求。