查询词典 organic

Methanol and acetonitrile are the important organic solvenst, which are widely used in chemical and pharmaceutical industry and so on.

甲醇、乙腈是两种重要的有机溶剂，在化工、制药等领域广泛使用。

They may be dissolved in most common organic solvents,excluding methanol.Examples of suitable solvents include acetonitrile or acetone.

该化合物可以溶解在除甲醇以外的大多数普通有机溶剂中，适宜的溶剂有乙腈和丙酮。

The invention relates to a method of preparing acetophenone by ethylbenzene photocatalysis and oxidation, belonging to the technical field of organic synthesis application.

本发明涉及一种乙苯光催化氧化制备苯乙酮的方法，属于有机合成应用技术领域。

Cuprous acetylide takes the form of a russet or reddish-brown powder, insoluble in water and in the majority of organic solvents

乙炔亚铜是黄褐色的红棕色的粉末，不溶于水和大多数有机溶剂。

Cuprous acetylide takes the form of a russet or reddish-brown powder, in soluble in water and in the majority of organic solvents

乙炔亚铜是黄褐色的红棕色的粉末，不溶于水和大多数有机溶剂。

Translation - urea characteristic The urea is one kind of achromatic color, tasteless, the odourlessness acicular or the orthogonal prism build crystallizes, in the actual production is granulated for the white or the tint; The granularity may be possible to be small greatly according to enterprise's characteristic; When heats up to 132.7℃ starts to melt, the solid urea density is 1.335g/cm 3, dissolves in the water and the few organic reagents, the urea assumes the alkalescency, may live the salifying with the acid function, when the temperature surpasses 60℃, the urea in the acid, the alkalinity or the neutral solution has the hydrolisis.

问题补充：尿素是一种无色、无味、无臭的针形或正交棱柱体形结晶，实际生产中为白色或浅色颗粒状；粒度则根据企业的特点可大可小；当加热到132.7℃开始熔化，固体尿素密度为1.335g/cm 3，溶于水和少量的有机试剂，尿素呈微碱性，可与酸作用生成盐，当温度超过60℃时，尿素在酸、碱性或中性溶液中发生水解。

In the domestic coffee bean sample, the higher roasting terminal temperature, the higher pH value, and the content of organic acid will drop with rising of temperature.

中文摘要在国产咖啡豆样品中，烘焙终点温度愈高，则取样调配所得咖啡之中pH值即愈高，且有机酸含量会随著温度的上升而下降。

Main products: glass of acid mist purification tower; organic exhaust gas purification; FRP cooling tower, water treatment equipment; FRP fan; composite pipe, tube; glass steel storage tanks, tank.

公司主要产品为：玻璃钢酸雾净化塔；有机废气净化器；玻璃钢冷却塔；水处理设备；玻璃钢风机；复合管道、管件；玻璃钢贮槽、贮罐。

In order to industrialize the organic acid pulping process, more research on process simulation and optimization is necessary.

有机酸制浆要实现工业化，需在原料开发、流程模拟和优化等方面进一歩深入研究。

However, when the target organic was acetic acid (an inhibitor of radical reaction),Fe2+/O3 and O3 had similar degradation efficiencies.

当目标有机物是对自由基链反应具有抑制剂作用的乙酸时，O3和Fe2+/O3对乙酸有着相似的降解效率。

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