查询词典 benzene

Methods Changes of Benzene concentration in the air of workshop were analyzed, the existing protective facilities were remodified on the basis of the original equipment in the enterprise. Control effects of occupational hazards were assessed combined with strengthening supervision and management of occupational health and hygiene guide etc. The environment of workshop had significantly improved.

分析海门市某工业园区4家企业车间空气中苯浓度变化状况，在企业原有的设备基础上对企业现有防护设施进行改造，结合加强职业卫生监督管理和卫生指导等措施，对该项目职业病危害控制效果进行评价。

The relations between inhibition efficiency of carb on steel in hydrochloric acid and molecular structure of compounds of benzene ni t riles were studied by constructing the grey inhibition model of inhibition syste m.

通过运用灰色理论建模思想，建立缓蚀体系的灰色缓蚀模型，研究了盐酸溶液中苯腈类化合物对碳钢缓蚀的缓蚀性能与分子结构的关系。

Benzene molecule may be adsorbed on the surface of the roughened Rh electrode with a structure like 1,3- cyclohexadiene.

作为最简单的芳环化合物，苯是该方面研究的首选分子。

The composition is meth methyl of benzene, tasted like propylene sugar, brokers to facilitate use, make use of various specifications of tablet, pill, is "head wriggling pills"- after the release of energy for food to stop dancing and rubbernecking.

冰毒的成分是甲基苯丙安，纯品很像冰糖，贩卖者为了便于吸食者使用，制作成各种规格的片剂、丸剂，就是&摇头丸&---人服食后为释放能量会不停手舞足蹈，摇头晃脑。

Spectra of I_2 in benzene solution shows that Raman scatting light intensity is increased gradually as scattering distance is increased, in the scattering process it is accumulated and it is getting stronger and stronger.

苯溶液的I_2拉曼光谱，表明在液芯光纤内产生的拉曼散射光谱的强度是随着激发光束在介质中作用距离的增加而增强的，拉曼散射光在光纤的传播中不断累积得以增强。

The solution was then sparged with nitrogen to remove any residual benzene or any chlorine formed in the oxidation step.

然后用氮喷射溶液，除去任何残留的苯和在氧化时生成的氯。

The intrinsic viscosities reported were detemined in benzene at 25℃.

特性粘数是在苯中于25℃测定的。

Even if use old car, when 25 ℃,、 of benzene 、 toluene always volatilizes the ill other people such as organic matter still exceeds bid, and thick degree lift and increase what follow temperature.

即使是使用多年的车，在25℃时，苯、甲苯、总挥发有机物等有害物仍然超标，且浓度随温度的升高而增加。

They are insoluble in water, ethanol, methanol, acetone, chloroform and benzene, but soluble in DMA, DMF and DMSO.

它们溶于N，N-二甲基甲酰胺、N，N-二甲基乙酰胺和二甲基亚矾等溶剂，但不溶于水、乙醇、甲醇、丙酮、氯仿和苯。

Thisresearch adopts the method of PA to realize the transfer of BP-ANN model madeup of acetone, benzene, chloroform and methanol between two FTIR apparatus.

由于其更针对在不同仪器上的量测信号进行处理，消除这些信号间的差别，同时具有较好的适应性，因此是一种更有意义的模型传递方法。

We have no common name for a mime of Sophron or Xenarchus and a Socratic Conversation; and we should still be without one even if the imitation in the two instances were in trimeters or elegiacs or some other kind of verse--though it is the way with people to tack on 'poet' to the name of a metre, and talk of elegiac-poets and epic-poets, thinking that they call them poets not by reason of the imitative nature of their work, but indiscriminately by reason of the metre they write in.

索夫农 、森那库斯和苏格拉底式的对话采用的模仿没有一个公共的名称；三音步诗、挽歌体或其他类型的诗的模仿也没有——人们把&诗人&这一名词和格律名称结合到一起，称之为挽歌体诗人或者史诗诗人，他们被称为诗人，似乎只是因为遵守格律写作，而非他们作品的模仿本质。

The relationship between communicative competence and grammar teaching should be that of the ends and the means.

交际能力和语法的关系应该是目标与途径的关系。