熱硫酸法 的英文怎麼說

中文拼音 [liúsuān]
熱硫酸法 英文
hot sulfuric acid process
  • : 名詞[化學] sulphur; sulfur [美國] (16號元素, 符號s)
  • : 酸構詞成分。
  • : Ⅰ名詞1 (由國家制定或認可的行為規則的總稱) law 2 (方法; 方式) way; method; mode; means 3 (標...
  • 硫酸 : [無機化學] sulphuric acid; sulphoacid; vitriol; vitriol oil; dipping acid; sulfuric acid; hydric ...
  1. Mas precursor powders are prepared using aluminium sulfate, colloidal silica, and magnesium nitrate as raw materials via sol - gel methods, dsc - tg and xrd show that the mas precursor powders transform to cordierite completely at 1300

    鋁、硝鎂和硅溶膠為原料,採用溶膠-凝膠,制得mas先驅體粉末, xrd表明,該粉末經1300的處理后,完全轉變為堇青石。
  2. The extracting technology of fucoidan from sporophyll powder of sea mustard undaria pinnatifida suringar by enzymatic hydrolysis

    水浸提提取裙帶菜孢子葉粉巖藻聚糖酯的工藝研究
  3. The major performances of concrete and mortars, which are mixed with different quantities of expansion admixtures under the same mix proportions, are studied systematically and deeply in this work. sulphoaluminate mixed with a type of new expanding component by use of the composite methods are studied in the laboratory, and some achievements have been obtained. the service conditions, the characteristics and the shortcomings of expansion admixture in the concrete engineering are analyzed and summarized based on literatures, and the expanding mechanism of concrete is discussed

    本文試圖從膨脹劑不同摻量研究其對混凝土和砂漿主要性能的影響,進行了一系列宏觀力學性能試驗研究;利用差分析( dta ) 、掃描電子顯微鏡( sem )等分析手段對鈣礬石等水化產物的結晶和生成量、形貌特徵進行微觀分析;並採用復合方摻加新型膨脹組分對鹽類膨脹劑( uea )進行了改性試驗研究,根據多因素模糊綜合評價方就各類膨脹劑的主要性能進行綜合評價,得出摻加新型膨脹組分pt的膨脹劑性能較優,取得了明顯的效果。
  4. - acetolactate decarboxylase is purifed from cell extract by 50 % - 80 % ammonium sulfate - fractionation, 50, 2min heat treatment and deae - sepharose fast flow column chromatography, which we study the different ph and different buffer of deae - sepharose fast flow column chromatography and conclude ph 6

    對其酶學性質進行了研究。 -乙酰乳脫羧酶經50 80銨分級沉澱、 50 , 2min處理、 deae - sepharosefastflow離子交換柱層析方分離純化。
  5. The temperature of the mixture can be kept at above 200, thus the oxidation power of nitric acid can be kept at a rather high level and the non - diamond carbon can be removed completely

    其做是,將半成品與濃混合,加到200以上,將濃硝緩慢滴入,進行氧化處理,這樣可以使混合物保保持較高溫度,從而提高了硝的氧化能力。
  6. The pretreatment, effect of bath compositions and operation conditions such as temperature, currenty and time on compactness of the zinc and cu / ni / cr coatings have been investigated. the relationship of operation conditions to thickness of the coatings was studied by weight method. the specimens have been pickled in nacl or sulfate acid solution to evaluate the porosity of the coating

    研究了鎂合金電鍍前處理工藝,電鍍鋅、電鍍銅/鎳/鉻工藝配方及其施鍍溫度、電流密度和時間對鍍層緻密性的影響;採用稱重研究施鍍工藝與鍍層厚度的關系,利用nacl溶液和溶液浸泡試樣來考察鍍層孔隙率,採用劃痕試驗和震試驗檢驗鍍層的結合力,採用金相顯微鏡和掃描電子顯微鏡觀察鍍層表面形貌。
  7. 3. bring forward a new idea : the ideology of synergetics used in atomic simulation and multi - scale simulation of materials design. on the basis of this, next tasks were put forward : ( 1 ) analyzing the changes of stress - strain curves of the interphase before and after pre - treatment ; ( 2 ) the efficient of the coupling effect of o2, na2s04 and h2o stream on the oxidation and erosion resistance of interphase ; ( 3 ) the methods of improving environment performance of interphase above 1273k

    提出將協同學的思想用於原子級模擬及跨尺度模擬的思路,並在此基礎上,提出下一步的工作設想: ( 1 )分析處理前後界面相區域應力-應變曲線的變化; ( 2 )航空發動機模擬環境中,氧、鈉蒸汽及水蒸汽耦合效應對界面相抗氧化性、抗腐蝕性的影響; ( 3 ) 1273k以上界面相環境性能提高的方
  8. Complex acid barium spectrophotometry in determining sulfate in water

    鋇分光光度測定水中鹽的異同
  9. Standard test method for determination of the moisture and volatile content of sulfonated and sulfated oils by hot - plate method

    測量碘化油和鹽油中含水量和揮發量的標準試驗方
  10. Catalysts were prepared by impregnation reduction, thermal reduction, advanced thermal reduction and sol - gel methods from these metals. electrochemistry measurements, xrd, tem were used to test these catalysts. the results showed that these metals have some electrocatalysis activities towards hydrogen oxidation reaction

    本文選擇了w 、 mo 、 co等金屬,採用浸漬還原還原、改進的還原以及溶膠凝膠分別制備了這幾種金屬的碳載催化劑,對制備出的非貴金屬催化劑進行了電化學測試、 x -射線衍射( x - raydiffraction , xrd ) 、透射電子顯微鏡( transmissionelectronmicroscopy , tem )等測試,研究結果表明:這些非貴金屬在體系中對氫氣的氧化反應均有一定的催化活性。
  11. The optimum conditions of preparation were as fellows : the concentration of zinc sulfate solution of 1. 8 - 2. omol / l, the concentration of ammonium bicarbonate solution of 1. 4 ~ 1. 6mol / l, the time of ultrasonic radiation of 25 ~ 30min. iv. preparation of active zinc oxide by means of microwave radiation to calcine precursor of basic zinc carbonate firstly, and a mechanism on preparation of ultra - fine active zinc oxide by means of microwave radiation has been investigated emphatically as well as the effects on quality of ultra - fine active zinc oxide have been analyzed and discussed in detail, the time of microwave radiation was 7 ~ 16 min ; comparing microwave radiation calcining with conventional calcining, the calcining time of microwave radiation was one thirty to one twenty, the calcining time shortened hugely, energy consumption saved hugely, the quality of product improved

    首次引入超聲波輻射制備超細活性氧化鋅前驅體堿式碳鋅新技術,研究了超聲波輻射制備前驅體堿式碳鋅的機理,並分析和討論了影響前驅體質量的各種因素,確定了最佳的前驅體制備條件為:鋅濃度為1 . 8 2 . 0mol / l ,碳氫銨的濃度為1 . 4 1 . 6mol / l ,超聲波輻射25 30min ; 4 、首次採用微波加煅燒前驅體堿式碳鋅制備超細活性氧化鋅的新技術,研究了微波輻射加煅燒前驅體制備超細活性氧化鋅的機理,並分析和討論了影響活性氧化鋅質量的各種因素,確定了最佳的超細活性氧化鋅制備條件為:微波加煅燒時間為7 16min ,與傳統煅燒方相比,煅燒時間僅為傳統的1 30 1 20 ,大大縮短煅燒時間,節省能耗,提高了煅燒產品的質量; 5 、完成了從鋅浮渣中制備超細活性氧化鋅的小試試驗和擴大試驗。
  12. Using aluminium sulfate and colloidal silica as raw materials, another kind of mullite precursor powders is made. the relative density of silica - rich mullite ceramic sintered from these powders at 1550 for 1 hour with a pressure of 15mpa is 97 %

    鋁、硅溶膠為原料,採用溶膠-凝膠制備了莫來石先驅體粉末,所得富硅莫來石先驅體粉末在1550 、 15mpa下壓燒結1小時后,緻密度達97 。
  13. Abstract : methods and main equipment of waste heat recovery in sulphur - buring sulphuric acid plants are described

    文摘:系統闡述了磺制生產過程中的廢回收方、主要設備和提高回收率的措施。
  14. Nano - cuo powders were successfully prepared by pressure - hydrothermal method with cuso4 5h2o and naoh as materials. xrd, sem and tem were used to characterize the samples. the influence of raw materials " initial concentration, thermal treatment " temperature, pressure and thermal treatment " time on the morphology and size of cuo were analyzed, and the possible growth mechanism was also discussed

    銅和氫氧化鈉為原料,用壓力-合成了納米氧化銅粉體,用xrd 、 sem 、 tem對所制得的氧化銅進行了觀察與表徵,分析了原料起始濃度、處理溫度、壓力、 ph值及處理時間對氧化銅形態和大小的影響,初步探討了不同形態氧化銅的生長機理。
分享友人