An intermediate template route was developed to grow cubic silicon carbide (β― SiC ) nanorods at relatively low temperature of 600 ~ 700 ℃ using tetrachloroethylene ( C_2Cl_4 ) and silicon tetrachloride ( SiCl_4 ) as carbon and silicon sources respectively by a solvothermal method .

采用中间模板路线在600~700℃相对低的温度下，用 四 氯 乙烯和四氯化硅作为原材料，用溶剂热的方法合成了立方相的碳化硅（β-SiC）纳米棒。

The effects of leaching temperature liquid / solid ratio and addition of tetrachloroethylene on the leaching of zinc were studied .

考察了浸出温度、液固比、 四 氯 乙烯 的 加入对锌浸出的影响。

In order to improve the electrophoresis properties of the spherical SiO_2 particles in tetrachloroethylene the prepared spherical sub-micron SiO_2 particles were modified by butanedioic acid .

采用丁二酸对球状亚微米级SiO2颗粒进行表面改性，以提高SiO2颗粒于 四 氯 乙烯 溶剂中的电泳性能，制备适于电子墨水用的白色电泳颗粒。

Abstract Molybdenum ( IV ) chloride with high purity was prepared by the photochemical reaction of tetrachloroethylene and molybdenum ( V ) chloride in special reactor .

本文 以 四 氯 乙烯与五氯化钼为原料，在特制反应器内进行光化学反应，制得了高纯度四氯化钼。

To Determine Trichloroethylene and Tetrachloroethylene in Air by Gas Chroma to graphy

气相色谱法测定空气中三氯乙烯和 四 氯 乙烯

Trichloroethylene and tetrachloroethylene in environmental air were determined directly by gas chromatography with taking 5 % PEG-6000 as fixed liquid and 6201 as carrier then to isolate by stuffing column and to detect by electron capture detector .

应用气相色谱法以5%PEG-6000为固定液、6201为担体填充柱分离，电子捕获检测器检测，直接进样测定环境空气中三氯乙烯和 四 氯 乙烯。

Meanwhile Purification effect of tetrachloroethylene IP bacteria number CO CO 2 and reduction of negative ion with time was also assessed .

同时对 干洗 场所 室内 空气 中 四 氯 乙烯、IP、 空气中细菌总数、CO、CO2的净化效果以及不同时间负离子 衰减量进行了评价。

Addition of zinc stearate as ionic plasticizer reduced both mechanical properties and conductivity . The effects of leaching time a n d tetrachloroethylene on zinc leaching processes are described .

加入硬脂酸锌会降低复合物的电导率及力学性能。考察了浸出时间、四 氯 乙烯 的 加入对锌浸出的影响。

Enhanced Biodegradation Potential of Tetrachloroethylene under Natural Groundwater Environment

天然地下水环境四 氯 乙烯的强化生物降解玫瑰 红， 四 碘 四 氯荧光素

Feasibility Study on Substitution of Tetrachloromethane with Tetrachloroethylene

四 氯 乙烯替代四氯化碳作为油类萃取剂的研究

For the existing methods it had been suggested that tetrachloroethylene is one possible substitute of carbon tetrachloride which will be limited by international protocol at 2010 .

对于现行方法使用的四氯化碳萃取剂在2010年被禁用的问题，提出了 以 四 氯 乙烯代替四氯化碳的建议。

A preliminary study of anaerobic biodegradation of tetrachloroethylene with acetic acid as co-metabolism substrate

以醋酸为共代谢基质 时 四 氯 乙烯的生物降解初步研究

Coupling Process of Zinc Concentrate Leaching in H_2SO_4-HNO_3 Medium and Sulphur Extracting with Tetrachloroethylene

H2SO 4-HNO3体系中锌精矿浸出与 四 氯 乙烯萃硫的耦合

The Effects of Tetrachloroethylene in Leaching Sphalerite

四 氯 乙烯在锌精矿浸出中的作用研究

Gas-liquid balance gas chromatography was introduced to measure the trichloroethylene and tetrachloroethylene in drinking water and source water .

本方法采用顶空气相色谱法测定生活饮用水及水源水中三氯乙烯、 四 氯 乙烯。

The TiO2 / ACF catalysts were characterized by BET XRD and SEM . The photodegradation activity of TiO2 / ACF was investigated using tetrachloroethylene ( TCE ) as a probe molecule .

采用BET、XRD、SEM等手段对其物理化学特性进行表征，以 四 氯乙烯光降解反应为探针反应，考察了 TiO2/ACF催化剂的光催化降解性能。

Migration of adult worms may occur spontaneously or as a result of some stimulus such as fever or tetrachloroethylene .

成虫的移行可自然发生，或因一些刺激诸如发热或 四 氯 乙烯而 造成。

Study on anaerobic biodegradation of tetrachloroethylene with different co-metabolism substrates

不同共代谢基质下 四 氯 乙烯厌氧生物降解研究

Objective The carcinogenicity of tetrachloroethylene ( TCE ) a dry-cleaning solvent was explored quantitatively and qualitatively in order to assess extra risk on dry-cleaning workers exposed to TCE and develop a much valid health standard .

目的对干洗剂 四 氯 乙烯（TCE）的致癌性作出定性定量的评价，以预测干洗店从业人员的终生患癌危险度，并为研制合理的 四 氯 乙烯卫生标准提供依据。

Study on cultivation and acclimation of anaerobic sludge for tetrachloroethylene degradation

用于 四 氯 乙烯降解的厌氧污泥的培养与驯化研究

Study on organic sulfur removal from coal by copper chloride oxidation and tetrachloroethylene extraction

氯化铜- 四氯 乙烯 复合脱除煤中有机硫的研究

The measurement shows that 310.8 nm is the suitable wavelength for detection of trichloroethylene and 322.5 nm is the suitable wavelength for detection of tetrachloroethylene in this wavelength range .

研究表明，该波长范围内三氯乙烯的最佳检测波长为 310.8nm， 四 氯 乙烯的最佳检测波长为322.5nm。

Tetrachloroethylene ( PCE ) is biodegraded by reductive dechlorination in anaerobic condition .

四 氯 乙烯（PCE）在厌氧条件下通过还原脱氯发生生物降解。

A coupling model of leaching and separation of coordinated extraction for sphalerite with complex solvents composed of tetrachloroethylene ( C_2Cl_4 ) 2-ethylhexyl phosphate ( P204 ) and surfactant in oxidation reagents of H_2SO_4-HNO_3-O_2 was put forward .

提出了闪锌矿在 H2SO4HNO3O2中的氧化浸出与以 四 氯乙烯和磷酸二（2乙基己基）酯组成的协同萃取3剂和表面活性剂的分离耦合操作模式。

Development of Hygienic Inspect Method for Indoor Air Tetrachloroethylene

室内空气中 四 氯 乙烯卫生检验 标准方法的研制

Study on Tetrachloroethylene Degradation by Anaerobic Bacteria

厌氧菌降解 四 氯 乙烯的研究

The device can recycle and utilize the tetrachloroethylene steam distilled from the distilling box .

本实用新型可将蒸馏箱蒸馏出的 四 氯 乙烯蒸汽回收利用。

Establishment and application of gas chromatography method for determination of tetrachloroethylene in workplace air

作业场所空气中 四 氯 乙烯气相色谱检测方法的建立与应用

Electrophoretic microcapsules were prepared via in-situ interfacial polymerization using ureaformaldehyde ( UF ) resin as the outer membrane and oil blue and TiO2 nanoparticles dispersed in tetrachloroethylene as core materials .

以尿素和甲醛为壁材，油性蓝和TiO2纳米粒子分散在 四 氯 乙烯中作为囊芯，通过原位聚合法制备了蓝色电泳显示微胶囊。

Environmental impact assessment on present occupational health standard of tetrachloroethylene

现行 四 氯 乙烯职业卫生标准的环境影响评价