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- Distribution charts of ash, total sulfur and calorific value weredrawn. 分別繪出了灰分、全硫和發(fā)熱量的分布圖。
- It is produced by the reduction of fuchsin by sulfurous acid, and is oxidized by aldehydes and ketones, restoring the magenta color of the fuchsin. 配法是用亞硫酸使品紅溶液還原，若有醛酮類(lèi)存在時(shí)便使之氧化而重新呈現品紅本身的洋紅色。
- The cooking liquor, called acid, is thus a solution of calcium which contains an excess of sulfurous acid. 蒸煮所用酸液是一種含有過(guò)量硫酸的酸性亞硫酸鈣的溶液。
- Most sulfuric acid is made by the contact process. 大多數的硫酸是用接觸法制造的。
- The determination of total sulfur content i n BaCO 3 by burn volumetric analysis is introduced. 介紹了燃燒容量法測定碳酸鋇總硫含量的分析方法。
- The virulent matter such as the sulfurous acid and so on in fog is harmful to people's health, outside agriculture and metal material. 霧中含有亞硫酸等有毒物質(zhì),有害人們身體健康,有害室外農業(yè)和有損外露金屬材料,屬氣象災害。
- The active cooking chemicals in the sulfite process are sulfur dioxide, sulfurous acid, and calcium bisulfite. 亞硫酸鹽法制漿過(guò)程中活性化學(xué)物質(zhì)是二氧化硫、硫酸以及酸性亞硫酸鈣。
- A corrosive solution of sulfur trioxide in sulfuric acid. 發(fā)煙硫酸含三氧化硫酸的一種腐蝕性溶液
- A new method of total sulfur in coal was successfully developed based on the combination of chemical pre-treatment of samples with ICP-AES. 結合國標中煤樣的化學(xué)預處理方法和儀器分析方法,提出了一種新的測定煤中全硫含量的方法。
- The paper introduces the reaction mechanism of oxidating sulfurous acid calcium to gypsum and some factors to influence the reaction process. 介紹了亞硫酸鈣氧化為石膏的反應機理及影響反應過(guò)程的某些因素。
- It can be seen that precleaning alone would not reduce the total sulfur content of the four coals to levels anywhere near the standards. 參考譯文：可以看出，這四種煤的總含硫量?jì)H靠預先洗選將不能降低到完全接近標準規定的水平。
- The microcoulomb method was proposed to determine the total sulfur in drying gas, and possible disturbances were considered. 提出應用微庫侖定硫儀測定干氣中總硫的方法,并對可能的干擾進(jìn)行討論,在氣體氨存在條件下,提出有效且經(jīng)濟的分析方法。
- The analysis theory of gravimetric method is used for analyzing the experimental conditions in determining total sulfur in coal by Eschka method. 將重量法分析理論應用于煤中全硫測定中艾氏法的試驗條件分析,介紹了影響艾氏卡重量法測全硫準確度的幾大因素與對策。
- Chlorination is carried out with Nhaloamines and sulfuric acid. 氯化是用N-鹵胺和硫酸。
- The measurements of hydrogen sulfide release during pyrolysis were realized by iodometry, the total sulfur release was evaluated through char analysis. 熱解導致的總硫釋放量通過(guò)對熱解焦的分析得到，并用碘量法確定了氣相中H2S含量。
- A substance, such as sulfuric acid, that removes water. 脫水物質(zhì)脫去水分的一種物質(zhì)，如硫酸
- The paper summarized the methods of determining the sulfur content in petroleum and its products, including total sulfur, elemental sulfur, mercaptan and other sulfide etc. 摘要綜述了石油及其產(chǎn)品中總硫、元素硫、硫醇、硫醚、二硫化物等的測定方法。
- Conclusion:The sulfuric acid anthrone method is reasonable. 結論:該法可作為桑葉中多糖的含量測定方法。
- Measurement method of the total sulfur content in coal water mixture (CWM) was studied through comparison between directed sampling from CWM and from raw material coal. 研究水煤漿中全硫的測定方法,主要研究比較直接稱(chēng)取水煤漿試樣和稱(chēng)取水煤漿固體試樣測定水煤漿全硫含量方法,其中包括水煤漿分析試樣制取方式的研究。
- Properly controlling the injecting speed of smple,the micro-coulometry was proved to be a accuraty and speed method for determing total sulfur content of propylene. 采用微庫侖法測定丙烯中的總硫含量,只要嚴格控制進(jìn)樣速度就可以準確、快速地測出分析結果。
