Methyl ethyl ketone, isobutyl methyl ketone and isoamyl ethyl ketone for industrial use; Determination of alcoholic impurities ; Volumetric method

工业用甲乙酮、异丁基甲酮和异戊基乙酮 醇类杂质的测定 容量法

属类：行业标准名称-ISO标准-

Phthalic anhydride for industrial use; Methods of test; Part IX : Determination of impurities oxidizable in the cold by potassium permanganate; Iodometric method

工业用邻苯二甲酸酐 试验方法 第9部分:低温下可被高锰酸钾氧化杂质含量的测定 碘量法

属类：行业标准名称-ISO标准-

Methyl chloride for industrial use; Determination of impurities ; Gas chromatographic methods

工业用氯甲烷 杂质的测定 气相色谱法

属类：行业标准名称-ISO标准-

Light olefins for industrial use; Determination of impurities by gas chromatography; General considerations

工业用轻烯烃 用气相色谱法测定杂质 一般考虑

属类：行业标准名称-ISO标准-

Ethylene for industrial use; Determination of hydrocarbon impurities ; Gas chromatographic method

工业用乙烯 烃类杂质的测定 气相色谱法

属类：行业标准名称-ISO标准-

Ethylene for industrial use-Determination of hydrocarbon impurities -Gas chromatographic method

工业用乙烯中烃类杂质的测定气相色谱法

属类：行业标准名称-国家标准名-GB/T3391-1991

Semiconductors containing such impurities are called p-type semiconductors

含有这类杂质的半导体叫做P型半导体。

属类：综合句库--

Toluene--Determination of hydrocarbon impurities --Gas chromatographic method

甲苯中烃类杂质的气相色谱测定法

属类：行业标准名称-国家标准名-GB/T3144-1982

Toluene of coal carbonization--Determination of hydrocarbon impurities --Gas chromatographic method

焦化甲苯中烃类杂质的气相色谱测定方法

属类：行业标准名称-国家标准名-GB/T8038-1987

Transistors consist of layers of different semiconductors produced by addition of impurities (such as arsenic or boron)to silicon.

晶体管由不同的半导体层构成,这些半导体是将某些杂质(如砷和硼)加到纯硅中而制成。

属类：IT行业-电子电脑-

To this day coal is said to be screened in the colliery when it has stone and other impurities removed from it

据说煤中掺有石子和其它杂质须去掉时,至今仍得把煤在矿上筛过。

属类：综合句库--

Methods of testing insulating materials. Methods of test for the determination of ionic impurities in electrical insulating materials by extraction with liquids.

绝缘材料的试验方法.用液体提取法测定绝缘材料中离子杂质的试验方法

属类：行业标准名称-国际标准-NF C26-280-1978

An aqueous caustic solution removes carrier gas impurities harmful to the detector cell

苛性碱溶液去除运载气体中对检测元件有害的杂质。

属类：综合句库--

The siliceous impurities in the ore are removed by reaction with the calcium oxide that is formed when the limestone is heated, CaO + SiO2--Ca-SiO3.

矿石中含硅的杂质同氧化钙(加热石灰石形成的)化合而被排除出去。

属类：工程技术-冶金-炼铁

Ion Chromatographic Method for Determination of Impurities in Tripolyphosphate

离子色谱法测定食品添加剂三聚磷酸盐中的杂质含量

属类：化学及生命科学-化工-化工论文摘录

For example, both HF and water decrease the corrosion resistance and compatibility of metals exposed to NF3, and both impurities should be minimized.

例如,HF和水都会降低暴露于NF3的金属的抗腐蚀性和相容性,要最大程度地减少这两种杂质。

属类：产品说明书-产品安全-

Additionally, carbon dioxide exists in natural wells. Once the product has been isolated, impurities are filtered out, moisture is removed in driers, and the purified carbon dioxide is compressed for liquefaction.

另外,二氧化碳存在于天然井里。产品分离出来以后,过滤掉杂质,在干燥剂里去除水蒸气,净化了的二氧化碳被压缩液化。

属类：产品说明书-产品安全-

Filter paper: High quality hand or machine-made unsized paper used for filtering not only liquids but gases,according to grade.Principal characteristics are freedom from ash and consequent impurities .

滤纸:高品质手造或机造的无纸张。是其品质,它不独用做过滤液体,还可用做过滤气体。主要特性是没有灰和附带杂质。

属类：行业术语-印刷-

Friction spun yarns are uniform, quite free of impurities , fuller with more body than ring-spun yarns, but they tend to have less strength.

摩擦纺纱生产的纱线条比较均匀,含杂量少,比环锭纺纱线丰满且更有身骨,但强度略低。

属类：行业术语-纺织服装-

Fluxes are used to combine with the impurities in the ore and coke to form a low melting point slag, which floats at the surface and is separated from the hot metal. The commonly used fluxes are limestone and dolomite.

熔剂用来与矿石和焦炭中的杂质化合,生成一种低熔点的渣浮在铁水表面,从而与铁水分离。常用的熔剂有石灰石和白云石。

属类：工程技术-冶金-炼铁

Impurities such as lubricants, dirt and other natural materials, water-soluble sizes, antistatic agents and fugitive tints used for yarn identification are removed in scouring.

润滑剂、尘土、其它自然物质、水溶性浆料、抗静电剂以及为了鉴别纱线而施加的浅色等杂质,均可通过煮炼去除。

属类：行业术语-纺织服装-

To make woolen yarns the fibers are fed to the carding machine where the fiber assemblage is opened or separated, tangles are removed. Fibers are straightened to some degree and impurities are removed.

生产粗梳毛纱时,将纤维喂入梳毛机。在梳毛机上,毛块被开松分离,纤维之间的纠缠被松解。

属类：行业术语-纺织服装-

The limestone absorbs impurities from the ore.

石灰石从矿石中吸收杂质。

属类：综合句库--

To rid of impurities ;cleanse.

使纯净,净化除去玷污物;清洗

属类：综合句库--

Carding: In yarn production, a process of separating individual fibres, causing many of them to lie parallel and removing most of the remaining impurities .

梳理:制造纱线时把个别纤维分开并使众多纤维平行的过程,也除去大部分残留的污物。

属类：行业术语-艺术-工艺

Petroleum products and additives--Determination of mechanical impurities --Gravimetric method

石油产品和添加剂机械杂质测定法(重量法)

属类：行业标准名称-国家标准名-GB/T511-1988