查询词典 diphenyl-carbinol

Similarly, over the last 30 years flame-retardant chemicals known as polybrominated diphenyl ethers have been widely used, although little is known about their broader effects.

类似地，在过去的30年里，像我们知道的多溴二苯醚等阻燃化学药剂也被广泛应用，但我们并不了解它们具有的其他功能。

The advantages and shortcomings of the synthetic routes and the catalysts are also commented. It is suggested that the development of heterogeneous catalysts should be the focus in the process for production of diphenyl carbonate.

并进一步对各工艺过程及所用催化剂的优缺点进行了评论，认为多相催化剂的开发是今后碳酸二苯酯合成研究的重点方向。

Perhaps this is relevant to emodin and diphenyl ethylene glucoside which are the main ingredients included in the herb.

何首乌具有延年益寿，抗衰老作用，可能与其所含的主要成分大黄素、二苯乙烯苷有关。

The qualitative analysis by gas chromatography-mass spectrometry showed there were minor phenol and diphenyl carbonate in the MPC sample.

采用气相色谱-质谱法对所制备的MPC样品进行定性分析，结果表明其中还含有少量的苯酚和DPC杂质。

Diphenyl hydroxybenzene is offwhite slice or powder. It is an important organic material and coloration intermediate.

一、项目简介：2—萘酚系灰白色片状或粉末，本品是重要的有机原料及染料中间体。

Objective: To observe protective effect of dimethyl diphenyl bicarboxylate on the liver with acute injury induced by carbon tetrachloride (CCl4) in rats.

目的：通过观察联苯双酯对四氯化碳(CCl4)所致大鼠急性肝损伤的防治作用，结合文献复习，对DDB的临床应用价值进行再评价。

Objective:To investigate the effects of Emodin and diphenyl ethylene glucoside on antioxidation of Radix Polygoni Multiflori at molecular lever.

目的：从分子水平研究何首乌中主要成分大黄素、二苯乙烯苷的抗氧化作用。

The molar ratio of different metal ions within support, the preparation methods of supports and catalysts, and other factors had been studied. The activity of catalyst was evaluated by the synthesis experiments of diphenyl carbonate.

实验考察了载体金属离子的组成和配比、载体和催化剂的制备方法等因素对催化活性的影响，以苯酚氧化羰基化反应合成DPC的实验结果对催化活性进行了评价。

Polybrominated diphenyl ethers have been used as flame retardants of plastics in electronic and electricale quipment.

在世界范围内，电子电气设备的总产量不断增长，技术的不断革新和市场的不断扩张加速了EEE的更新换代，从而导致了废旧电子电气设备的剧增[1]。

The paper reviewed the synthesis and production of the surfactant - dodecyl diphenyl ether sodium disulfonate .

介绍了十二烷基二苯醚二磺酸钠的合成及生产情况。

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。