氧

Torr is the optimum value of oxygen partial pressure for forming TiO〓 films by the electron-beam evaporation method.

在一定的沉积条件下，氧压为1.6×10〓Torr时，所制备的氧化钛薄膜中氧对钛的化学配比与标准二氧化钛相一致。

The mechanism studies on the atomic oxygen effects over surface materials become rather difficult due to the fact that the interaction, stemming from a highly complex environment in LEO, where the atomic oxygen are equipping with high translational kinetic energy and strong oxidizing characteristics, may induce complicated physico-chemical processes.

然而，由于空间环境高度复杂，以及环境中原子氧具有高平动能和高度活泼的化学特性，空间材料的原子氧效应呈现复杂的物理化学过程，给该效应的机理性研究带来严重困难。

With glycerol triacetate and emulsion of soyabean oil as a substrate,by determining the current responded from the microbial electrode to the substrate,the esterase and lipase activity could be determined.

应用该方法测定厌氧和好氧反应器内生物膜及悬浮污泥的酶活性时发现，测出的酶活性量大小与单位质量污泥的有机物去除负荷紧密相关。

The crosslinked PEG-20M glass capillary column was prepared by dynamic coating method with boron trifluoride as catalyst,3-glvcidyl-oxypropyl-trimethoxysilane as crosslinking agent.

以PEG－20M为固定相，三氟化硼为催化剂，3－缩甘油氧丙基三甲氧基硅烷（简称KH－560）为交联剂，二氯甲烷为溶剂，对预先用氯化钠沉积法粗糙化的玻璃毛细管柱进行动态涂渍。

In this paper, varied factors which influenced the synthesis of epoxypropyl trimethyl ammonium chloride by the reaction of epichlorlhydrin with trimethylamine were studied.

研究了由环氧氮丙烷与三甲胺反应合成环氧丙基三甲基氮化铵沥青乳化剂中间体的各种影响因素。

Bifidobacterium longum can also form colonies in anaerobic TYG medium after 5 days.

无氧环境下，在TYL培养基中生长的比在TYG培养基中快且多，而在含氧环境下则都无法生长。

In batch culture, the half-saturation constant value for PCP dechlorination of unacclimated sludge was 2075μg PCP/L, which means the sludge had lower affinity for PCP.

在间歇培养中，未驯化的厌氧颗粒污泥对PCP脱氯的饱和常数为2075μg PCP／L，表明厌氧颗粒污泥对PCP的亲和力并不高。

Dept.of Environ.Sci.Zhejiang Agricultural University,Hangzhou 310029）Abstract:The experiments on start-up of degrading-PCP anaerobic bioreactor carried out in two anaerobic bioreactors which were inoculated with unacclimated anaerobic sludge.

近年来，国外研究者基于厌氧微生物具有还原脱氯活性，已将厌氧生物工艺从用于处理一般有机废水，扩展到含氯代有机物等有毒难降解有机物废水处理及受污染环境的生物修复领域。

The alloy catalyst was found to be unstable in the acidic solution because of the electrochemical and chemical dissolution of the catalyst.

发现在酸性溶液中，钯铁合金催化剂对氧还原反应的催化活性不稳定，原因是钯铁合金催化剂在酸性溶液中发生电化学/化学溶解；在碱性溶液中，覆盖在电极表面的钯铁合金催化剂的质量及电化学活性面积在电化学扫描过程中不发生明显变化，保持对氧还原反应的催化活性，证明钯铁合金催化剂在碱性介质中非常稳定。

Treatment efficiency and process parameters of upflow anaerobic multireactor and UAMR-Oxidation Ditch with sedimentation zone were studied in this paper.

对上流式厌氧复合床单元及厌氧复合床和一体化氧化沟组合工艺处理城市污水进行了生产性试验，并对其效果及工艺参数进行了研究。

This one mode pays close attention to network credence foundation of the businessman very much.

这一模式非常关注商人的网络信用基础。

Cell morphology of bacterial ghost of Pasteurella multocida was observed by scanning electron microscopy and inactivation ratio was estimated by CFU analysi.

扫描电镜观察多杀性巴氏杆菌细菌幽灵和菌落形成单位评价遗传灭活率。