乙烷

A method is introduced for quantitative determination of 1,2-dichloride ethylane by gas chromatography with PEG-20M chromatographic column,FID and using undecane as internal standard.

介绍用气相色谱仪、以PEG-20M色谱柱和FID检测器对1，2-二氯乙烷进行的一种定量测定方法，其内标物选用正十一烷。

RESULTS Twelve hours were spent in the sterilization to the undurable orthopedic instruments when the ethylene oxide was used, and 10h were needed using the 2%GTA.

结果 不耐热骨科手术器械采用环氧乙烷灭菌法进行消毒每次需要12h；戊二醛浸泡灭菌每次需要10h；低温过氧化氢等离子灭菌法消毒每次需要55rain。

Since this method probably killed the unoccluded spores, the strips for the moist- and dry-heat experiments were first treated, at 54 C, 40% RH, with 1,200 mg of ethylene oxide for 1 hr.

由于这种方法可杀死未封闭的孢子，因此进行湿热和干热试验的纸带均在54C、40% RH下用1，200 mg环氧乙烷首先处理了1小时。

Resistance of Bacillus subtilis var. niger Spores Occluded in Water-insoluble Crystals to Three Sterilization AgentsJOHN E. DOYLE AND ROBERT R. ERNSTResearch Laboratory, Castle Company, Rochester, New York 14623The resistance to destruction of spores of Bacillus subtilis var. niger occluded in crystals of calcium carbonate and exposed to ethylene oxide and moist and dry heat was determined and compared with the destruction of unoccluded spores.

检测了封闭在碳酸钙晶体中的枯草杆菌黑色变种芽孢暴露于环氧乙烷、湿热和干热中的耐受性，并与未封闭孢子的破坏相比。

The first part of this study is focused on the synthesis and electro-optical properties and of poly(2,3-diphenyl-1,4-phenylene vinylene) containing polyethylene oxide side chains. The formation meso-structure nanocomposites by sol-gel process with tetraethyl ortho-silicate was demonstrated .

第一部份为聚-(2，3-双苯基-1，4-仲苯基乙烯)侧链接上聚环氧乙烷之合成、光电性质研究及透过溶胶-凝胶制程研究其自组装之奈米复合材料。

Progress in researches on catalysts for fluidized bed oxychlorination of ethylene to make dichloroethane;2. The catalytic performance of CuCl2-KCl/MgO-Al2O3 catalysts was evaluated for the oxychlorination of ethane to produce vinyl chlorid.

采用浸渍法制备了不同含量MgO改性的γ-Al2O3，采用X射线衍射、N2物理吸附、NH3的程序升温脱附和程序升温还原等手段表征了催化剂的结构、表面酸性和氧化还原性质，并对CuCl2-KCl/MgO-Al2O3催化剂催化乙烷氧氯化制氯乙烯反应进行了活性评价。

Amphiphilic graft copolymers were synthesized by the copolymerization of polyoxyethylene macromer with butyl acrylate and methyl methacrylate in benzene using azobisisobutyronitrile as initiator.

以偶氮二异丁腈为引发剂，将大单体聚环氧乙烷与小单体丙烯酸丁酯、甲基丙烯酸甲酯在苯溶液中进行共聚，合成了两亲性接枝共聚物。

Conductivity of Polyoxyethylene/Poly (2-vinyl pyridine)Blend and Compatibilizing Effect of Lithium Perchlorate;2. Graft terpolymerization of polyoxyethylene macromer with acrylates;3. Then multiblock copolymers was obtained by condensing polyoxyethylene and poly(2 vinylpyridine)with dichloromethane in the presence of potassium hydroxide.

甲基萘锂作为引发剂利用阴离子聚合得到 2 乙烯基吡啶的遥爪双羟基低聚物(P2VP)，然后以二氯甲烷作偶联剂与聚环氧乙烷反应制备P2VP和PEO多嵌段共聚物，考察了反应时间对偶联反应的影响，并对共聚物进行了IR和1H NMR表征，由1H NMR谱的积分曲线得到了共聚物中PEO链段质量分数。

Including high temperature for the pyrolysis of natural gas to produce carbon black and acetylene; steam reforming of natural gas or partial oxidation of natural gas, synthetic gas can be obtained; natural gas through chlorination, sulfide, nitrification, ammoniated oxide, oxidation can be obtained A N all kinds of derivatives; in the wet gas ethane, propane, butane and natural gas liquid condensate, and so on, the steam cracker or pyrolysis to produce ethylene, propylene and butadiene; dehydrogenation of butane oxidation or produce small Diene or acetic acid, methyl ethyl ketone, and maleic anhydride, and so on.

包括在高温下进行的天然气热裂解，主要生产乙炔和炭黑；天然气蒸汽转化或天然气的部分氧化，可制得合成气；天然气经过氯化、硫化、硝化、氨化氧化、氧化可制得甲烷的各种衍生物；湿性天然气中的乙烷、丙烷、丁烷和天然气凝析液等，经蒸汽裂解或热裂解可生产乙烯、丙烯和丁二烯；丁烷脱氢或氧化可生产丁二烯或醋酸、甲基乙基酮、顺丁烯二酸酐等。

The interfaces electric circuit and the control program can be transplantated to other micro voltage control equipment very easily.Then we take the C_2H_5Br and the hydrogen (H_2) as the source gas to deposite the gradient bromating amorphous hydrogenated carbon film in the improved low-pressure plasma polymerization unit.

然后在改进的低压等离子体聚合装置中以溴乙烷(C_2H_5Br)和氢气(H_2)为源气体沉积了掺溴非晶碳氢薄膜和梯度掺溴非晶碳氢薄膜，用Perkinelmer Lambda12型紫外／可见分光光谱仪测量了样品的透光谱，并利用透光谱计算了薄膜的光学厚度和光学带隙：利用NICOLET MX—1E傅立叶变换红外光谱仪和XSAM800型X射线光电子能谱仪分析了薄膜的化学键和结合态以及薄膜中氧碳元素比和溴碳元素比。

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。