环 - 关于环的双语例句 - 环造句 - 语文书

为您找到1339个与“环”相关的双语例句：

I squinted to adjust my eyes to the dimness.
我眯起眼，努力适应黑暗的环境。
Amphoteric monomer is prepared with acrylic acid , dimethylamine and chloroethanol by Mannich reaction.
以丙烯酸、二甲胺、环氧氯丙烷为原料,通过曼尼希反应制得两性离子单体.
Dimethyl 4,4'- dimethoxy - 5,6 , 5 ', 6'- dimethylenedioxybiphenyl - 2,2'- dicarboxylate ( α - DDB ) and bicyclol exhibIt'significant antiheptotoxic activities and effectively lower the serum - transaminase level.
4,4’ - 二甲氧基-5,6, 5 ’, 6 ’ - 二次甲二氧基-2,2 ’ - 二甲氧羰基联苯 ( α-DDB ) 和双环醇具有明显的抗肝毒活性,能显著降低血清转氨酶水平.
Application of samarium diiodide in mediating intramolecular cyclization reactions was reviewed.
综述了二碘化钐在分子内环化反应中的应用.
The method and the condition of separation epoxy ethane from dihydric alcohol are described.
介绍了环氧乙烷与二元醇的分离方法和条件.
The aminolignin flocculant was prepared based on calcium lignosulfonate, diethylamine and epichlorohydrin by amino grafting.
摘要以木质素磺酸钙、二乙胺和环氧氯丙烷为原料,通过接枝氨基,合成了木质素胺脱色絮凝剂.
The method of cyclopentadiene ( CPD ) from dicyclopentadiene ( DCPD ) with liquid phase thermal decomposition method is studied.
研究了采用液相热分解法由双环戊二烯 ( DCPD ) 制备环戊二烯 ( CPD ) 的实验条件.
Major Composite of thc SeaIant is bisphenol A epoxy resin, dicyandiamide, ureido compound and modifier etc.
以双酚A环氧树脂、双氰胺、脉及改性材料为主要成分配制的胶粘剂可在中温迅速固化.
A new method for recovering 1, 2 - dichloropropane from waste liquor in propylene oxide production was developed.
介绍了从环氧丙烷生产废液中回收1, 2- 二氯丙烷的新方法.
AIM To offer reference for further research of 2, 4 - diaryl - 1 , 3 - dithiolane compounds.
目的为进一步设计和研究2, 4- 二芳基 -1, 3-二硫戊环类化合物提供可参考依据.
For example, the incidence of diarrheal diseases may be an important indicator of environmental problems.
举例, 集体腹泻是出现环境问题的重要征兆.
Under specific enviromental information, neuroendocrine cells produce and secrete diapause hormone ( DH ).
在特定的环境条件信息下, 神经分泌细胞产生和分泌滞育激素 ( DH ).
In this paper, we mainly discuss the diagonalization of a special kind of block circulant matrices.
本文主要探讨了一类特殊的分块循环矩阵的准对角化问题,给出了它的相似类.
The principle, structure and characteristic of Hydrogen determinator and it's application in environmental testing was summerized.
本文叙述了定氢仪的测氢原理、结构、特点及定氢仪在环境试验中的用途.
A major concern is to alleviate environmental pollution and restrict the deteriorative tendency the 21 st century.
进入21世纪以来,减轻环境污染和遏制生态恶化趋势已成为人们关注的焦点.
The subhuman conditions of work soon caused physical deterioration.
非人的工作环境不久就导致了身体状况的恶化。
Among them, phytoremediation has advantage as low cost , non - destructibility for environment potential for public acceptance.
在整治土壤污染的各种技术中, 植物整治由于其费用低、对环境无破坏性且易为公众接受而具有优势.
The vehicles have been modified to suit conditions in the desert.
车辆已改装过以适应沙漠的环境。
Renewables will also support a desalination plant that will provide fresh water.
可循环使用的能源也会提供给会生产干净水的脱盐加工工厂.
Scanty but growing evidence links the character of early diagenesis with specific depositional environments.
有关早期成岩作用的特征与特定沉积环境的关系,证据虽然不多,但却在不断增加.

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