乙烷

In this work, we report the reverse electron transfer reaction between TCNQ in 1,2-dichloroethane and ferrocyanide in water.

应用扫描电化学显微镜和微电极技术研究了水/1，2-二氯乙烷界面上的反向电子转移反应。

Based on design of software system, test result indicates the system possesses high sensitivity to tolerance for fog, firedamp, ethane, nocuous air, etc.

测试结果表明，该系统对烟雾、甲烷、乙烷等有害气体具有较高的灵敏度，可用作消防网络的监测与报警。

The causing agents which have been documented in Taiwan included tetrachioroethane, carbon tetrachloride, dimethyl formamide and chloroform.

中毒性肝炎是最常见的职业性肝脏疾病，被报告的肝脏毒物包括四氯乙烷、四氯化碳、二甲基甲醯胺和氯仿。

Through process simulation and optimization, a double-tower process with depropanizer and propane fractionator and without deethanizer is presented for gas fractionation as well as optimized process conditions of different units.

通过装置的流程模拟和优化，提出了气体分馏装置新双塔流程(无脱乙烷塔，只有脱丙烷塔和丙烯精馏塔)，以及各装置的优化工艺条件。

Our country ethylene diamine mainly uses in producing the agricultural chemicals (woods manganese zinc, dithane Z-78, generation of woods amine and pesticide, weed killer, disinfectant), the surface active agent (lives geminate stearic acid amide, alkyl imidazole lin, double amide, with oxirane, epoxypropane synthesizes non-ionic surface active agent), the epoxy resin firming agent (polyamide resins, epoxy firming agent, hydroxyethyl ethylene diamine and so on), the wash assistant (ethylene diamine four ethanoic acid and sodium salt series chelating agents), medicine raw material (aminophylline, washes must be peaceful, nose eye only, deinsectization spirit and so on), water treatment medicinal preparation (ethylene diamine four methylene phosphonates, second grade trunk base ethylidene two phosphine acids), corrosion inhibitor dye fixing agent, photography materialFixing bath and oil dope and so on.

我国乙二胺主要用于生产农药（森锰锌、代森锌、代森胺及杀虫剂、除草剂、杀菌剂），表面活性剂（生成双硬脂酸酰胺，烷基咪唑啉、双酰胺，与环氧乙烷，环氧丙烷合成非离子表面活性剂），环氧树脂固化剂（聚酰胺树脂，环氧固化剂，羟乙基乙二胺等），洗涤助剂（乙二胺四乙酸及其钠盐系列螯合剂），医药原料（氨茶碱，洗必泰，鼻眼净，灭虫灵等），水处理剂（乙二胺四甲叉膦酸盐，乙脒基乙叉二膦酸），缓蚀剂染料固色剂，照相材料定影液及润滑油添加剂等。

The properties of single-chain and pauci-chain polystyrene microspheres and recent results on the electron microscopy and selected area electron diffraction of single-chain monocrystals of polyethylene oxide, isotactic polystyrene, cis-1, 4-polybutadiene and guttapercha are presented and discussed.

介绍和讨论了单链和寡链聚苯乙烯玻璃体微球的性质以及聚环氧乙烷、全同立构聚苯乙烯、顺-1， 4-聚丁二稀、反-1， 4-聚异戊二烯单链单晶电子显微镜和选区电子衍射观察的最新结果。

1,2-dichloroethane can damage blood-brain harrier cells, and induce cerebral edema.

结论］1，2-二氯乙烷可造成血脑屏障细胞的损伤，引起血管源性脑水肿。

Effects of reaction temperature, initiator dosage , residence time and dilution ratio of steam to n -heptane on initiated cracking performance of n - heptane were studied.

以硝基乙烷为引发剂，考察了反应温度、引发剂用量、停留时间和水蒸气稀释比（水蒸气与正庚烷的质量比）对正庚烷引发裂解性能的影响。

EMF of the probe was stable for 1.8 ks and also responded rapidly and accurately to the dehydrogenation by hexachloroethane.

用六氯乙烷脱氢处理时电动势也有迅速正确的响应。

One-pot reactions of 4 with isocyanates, triphenyl phosphine, hexachloroethane and triethylamine produced 2-anilino-5-arylidene-1-aryl-4,5-dihydroimidazo[1,2-b]-1',2',4'-triazol-4-ones 6 (or 7) in good yields.

而后用4与芳基异氰酸酯、三苯基膦、六氯乙烷和三乙胺"一锅"反应，得到4，5-二氢咪唑并[1，2-b]-1'，2'，4'-三唑-4-酮衍生物6或7。

According to the clear water experiment, aeration performance of the new equipment is good with high total oxygen transfer coefficient and oxygen utilization ratio.

曝气设备的动力效率在叶轮转速为120rpm～150rpm时取得最大值，此时氧利用率和充氧能力也具有较高值。

The environmental stability of that world - including its crushing pressures and icy darkness - means that some of its most famous inhabitants have survived for eons as evolutionary throwbacks, their bodies undergoing little change.

稳定的海底环境─包括能把人压扁的压力和冰冷的黑暗─意谓海底某些最知名的栖居生物已以演化返祖的样态活了万世，形体几无变化。