For example, acetylene generated by the carbide process contains arsenical and sulphur compounds, and other impurities, which must be removed by scrubbingwith concentrated sulphuric acid before it is sufficiently pure for reaction with hydrochloric acid (此處有誤,應(yīng)為hydrochloride氯化氫) to produce dichloroethane.

例如国产欧美高清，由碳化鈣發(fā)生的乙炔氣含有砷和硫的化合物以及其他的雜質(zhì)在线看高清无码免费www.，必須在乙炔有足夠的純度與氯化氫反應(yīng)制造二氯乙烷之前，用濃硫酸洗去這些雜質(zhì)欧美色日韩。

The article analyzes the dominant factor of gas well productivity based on absolute open flow potent and binomial deliverability equation.

結(jié)合氣井絕對無阻流量定義及氣井的二項式產(chǎn)能方程韩国Ⅴ欧洲V日本VA片在线观看，對影響氣井產(chǎn)能的井底污染、地層滲透率麻豆国产在线观看无码、地層壓力欧美久久精品影院一本到综合、地層有效厚度、氣井半徑一上l一老女一级A免‘、泄氣半徑欧美老妇人和小伙子性生交、天然氣粘度、硫的沉積、氣層產(chǎn)水等因素作了詳細的分析毛片精品視频一区二区三区。

For the system of industrial test for treatling 200m 3/d wastewater, the removal rate of COD reached to over 90%, and the H 2S in firedamp was finally recovered as the by-product of sulfur.

這些物質(zhì)在厭氧環(huán)境下亚洲欧美h视频在线观看，通過硫酸還原菌的作用，產(chǎn)生大量硫的還原產(chǎn)物存在于消化液中特黄又爽又大又粗一级A片，一方面引起設(shè)備的腐蝕毛毛黄片一下，使水質(zhì)產(chǎn)生異味；當這些物質(zhì)在消化器中積累到一定濃度毛片在线播，就對甲烷菌產(chǎn)生嚴重的抑制作用免黄色网页网站。

The major pollutants emitted are sulphur oxides, nitrogen oxides, hydrocarbons, carbon monoxide, and malodorous materials.

排出的主要的污染物是硫的氧化物、氮氧化物欧美独黄色网站、烴類日韩视频日韩精品视频在线观看、一氧化碳和和有惡臭的物料。

The increase severeness of pollution make people bring forward higher demand for the quality of coal increasingly, especially the content of sulfur.

污染的加重插插黄色网站，使人們對煤的品質(zhì)提出了更高的要求www.av性爱，尤其是煤中硫的含量。

The results show that:the purification efficiency of cyanide and sulphur increases remarkably with the increase of the electrical motive force and current of the corroding couple and the increase of the area of ...

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Bacterial and chemical oxidation of gold-bearing pyrite gives rise to not only ferric sulfate and sulfuric acid but also ferrous sulphate and low-valence oxide of sulfur. The potential in the system is too low to dissolve native gold to form Au(SO4)2- Experiments indicate that gold does not dissolve in sulfatic iron solution.

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It is found that the loss of sulfur in sulfurized catalyst for both catalysts will be observed when sulfur content in inlet gas is lower than 0.1%, however, the sulfur content in practical coal gas is enough to avoid the phenomenon.

然而在實際的熱煤氣含硫的情況下三级网址免费久久，它顯示出相當高的催化轉(zhuǎn)化反應(yīng)活性免费一级A片26分钟，適于在熱煤氣凈化的條件下使用。

The fundamental studies of this dissertation could provide new idea and theoretical direction to the development of industrial sulfur resistant noble metal catalysts for HDA.

本文的基礎(chǔ)研究工作能夠為抗硫的高活性柴油脫芳催化劑開發(fā)提供新的思路中国黄片精品，也有較大的理論指導(dǎo)意義日本全黄在线视频。

Taurine , a ?-amino acid containing sulphur, is vital free acid in the body and perform various biological effects.

牛磺酸是一種含硫的β-氨基酸中国农村熟妇ⅩXX，是人體內(nèi)的一種必需的游離氨基酸3p视频免费视频，有穩(wěn)定細胞膜和抗氧化等多種生物學(xué)效應(yīng)国产AV一级无码影院。