concentrated sulfuric acid 中文意思是什麼

concentrated sulfuric acid 解釋
濃硫酸
  • concentrated : adj. 1. 集中了的；濃縮了的；汰選出來的。2. 聚精會神的。
  • sulfuric : 〈美國〉＝sulphuric.
  • acid : adj. 1. 酸味的。2. 【化學】酸的，酸性的。3. 〈比喻〉尖酸刻薄的，易怒的。n. 1. 酸味物。2. 【化學】酸。adv. -ly ,-ness n.
  1. Production of manganous sulfate by curing process with pyrite, pyrolusite and concentrated sulfuric acid

    兩礦加濃硫酸熟化法生產硫酸錳
  2. High temperature concentrated sulfuric acid fluid pump ; force diluted acid special purpose pump ; diluted acid wear - resisting special purpose pump, three items of products hich were presided by him passed through provincial level new product appraisal in 2001

    主持開發研製的高溫濃硫酸液下泵；強力稀酸專用泵；稀酸耐磨專用泵，三項產品2001年通過省級新產品鑒定。
  3. Yellow - brown powder. it is insoluble in water. it is soluble in sodium sulfide solution with a yellow - orange colour, slightly soluble in concentrated sulfuric acid

    黃棕色均勻粉末，不溶於水，溶於硫化鈉溶液中呈黃光橙色，微溶於濃硫酸。
  4. The new material xds high temperature concentrated sulfuric acid equipment use special stainless steel to resist corrosion the material and its applies 2 items ; providing technology service 8 items for the users such as taiyuan steel works group, yinguang company, and have received the users high praise, building good foundation for the market development. these success of new product development strengthened the enterprise s core competitive power, fatherly expanded the market share, laying good foundation for the enterprise sustainable development

    新材料xds高溫濃硫酸設備用特種不銹鋼耐蝕材料及其應用2項；為太鋼集團、銀光公司等用戶提供技術服務8項，受到用戶好評，為市場開拓打下了基礎，這些新產品開發成功增強了企業的核心競爭力，進一步擴大了市場份額，為企業可持續發展奠定了基礎。
  5. The test solution is placed in a test tube, and a small amount of alpha - naphthol added ; concentrated sulfuric acid is then trickled slowly down the side of the tube

    在試管中放入待檢測的溶液，加入少量的萘酚，接著把濃硫酸沿著試管壁緩緩滴入試管。
  6. In this paper, concentrated sulfuric acid and titanium dioxide are used to prepare the tios04 solution that test later required under long time heat. the influences of reaction time and reaction temperature to yield of tioso4 are discussed. in the experiment of preparing tio2 powder, reaction temperature, ph values, material ratio, operation way, velocity of feed, calcining heat and time are researched by the principle of nucleation and growth in thermodynamics and kinetics

    在制備tio _ 2粉體實驗中，根據成核生長的熱力學和動力學原理，深入分析了沉澱反應時環境的溫度、 ph值、反應物配比、操作方式、加料速度等因素對ti （ oh ） _ 4粒度的影響，以及焙燒溫度和保溫時間等因素對制得的納米tio _ 2粉體性能的影響，得出了制備銳鈦型納米tio _ 2粉體的優化工藝條件。
  7. Study on decomposition mechanism of rare earth concentrate by concentrated sulfuric acid

    包頭稀土精礦濃硫酸焙燒反應機理研究
  8. The russian telilong - concentrated sulfuric - acid circulation technique of cleaning for russian - made supercritical once - through boilers

    加濃硫酸循環工藝法清洗俄制超臨界直流鍋爐
  9. Hydroxyquinol triacetate was prepared from p - benzoquinone by 1, 4 - addition reaction with acetic anhydride and then 6, 7 - dihydroxy coumarin was synthesized from it by hydrolyze and cyclization in concentrated sulfuric acid. then 6, 7 - dimethoxy coumarin was synthesized by methylating from 6, 7 - dihydroxy coumarin with an overall yield of 74. 4 %. the procedure was practical. its structure was confirmed by ir and 1hnmr

    對苯醌與乙酸酐經1 ， 4 -加成生成1 ， 2 ， 4 -苯三酚三乙酸酯，然後與蘋果酸反應經水解、環合反應得6 ， 7 -二羥基香豆素，再經甲基化得到6 ， 7 -二甲氧基香豆素，總收率為74 . 4 % ，整個過程反應條件溫和，操作方便，適合工業生產的要求，對產品結構進行了ir和1hnmr表徵。
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