硅酸率 的英文怎麼說

中文拼音 [guīsuān]
硅酸率 英文
silica modulus
  • : 名詞[化學] silicon (14號元素符號 si)
  • : 酸構詞成分。
  • : 率名詞(比值) rate; ratio; proportion
  1. In this thesis, the development of emulsion polymerization theory and related new technologies are comprehensively reviewed, and the synthetic technologies of acrylate latex modified by organosilicon both at home and abroad are also reviewed. based on the current development and research in this field, attentions of this study are focused on three ways for preparing novel acrylate latexes modified by organosilicons, that is, 1 ) the acrylate monomers are copolymerized with unsaturated silicons by emulsion copolymerization ; 2 ) a new latex with microphase separation morphology is synthesized, which shows a core - shell structure character ; 3 ) soap - free polymerization is explored for preparing a higher - performance latex using an unsaturated silicon monomer, different acrylates and a reactive emulsifier. by using techniques of delaying addition of organosilicon monomer and a hydrolysis inhibitor, the hydrolysis and condensation of 3 - ( trimethoxysilyl ) propyl methacrylate during polymerization can be effectively prevented, as a result, organosilicon content in the macromolecular chain is increased

    同時採用有機單體延遲滴加及添加水解抑制劑等技術,有效防止了-甲基丙烯酰氧基丙基三甲氧基烷在乳液聚合過程中的過渡水解及縮合反應,提高了聚合物大分子鏈中有機鏈節的含量;利用紅外光譜與差示掃描量熱儀對產物分子結構進行了表徵,並通過對共聚產物力學和吸水的測試,證實了本研究所制備的有機改性丙烯酯共聚物具有比純丙烯酯聚合物更優良的力學及耐水性能;從分子設計角度出發,利用醇解反應合成出水解、縮合反應速較慢的兩種新型不飽和有機單體: ?甲基丙烯酰氧基丙基三乙氧基烷和?甲基丙烯酰氧基丙基三異丙氧基烷;利用核磁共振對新型烷單體結構進行了證實;研究表明利用新型烷單體可以制備出高烷含量的有機改性丙烯酯乳液,且其聚合產物具有較高的力學及耐水性能。
  2. Metasilicate acid can improve telangiectasia, decrease incidence of cardiovascular and avoid skin diseases, gynecopathy & diabetes

    :能改善血管擴張,降低心血管發病,可防治皮膚病、婦科病、糖尿病。
  3. Abstract : it is proposed that the sturdiness of silicic acid congealed gel is a key factor to make the reaction of producing “ " lead trees ” successful. the better conditions of preparing silicic acid congealed gel are detemined. the success rate of this oxidation - reduction equilibrium is raised by 90 %

    文摘:提出了生成「鉛樹」反應成功的關鍵是凝膠的堅固性,找到了較好的凝膠的制備條件,使該氧化還原平衡移動的反應成功提高了90以上
  4. Abstract : experiments were made on a ultrasonic machining tool with work - piece adhered to ultrasonic transducer head, to machine micro - holes on hard and brittle materials such as soda glass and si, to study the effects of tool materials , work - piece materials , amplitude , machining load , slurry concentration , tool length and the size of work - piece on machining rate and wear ratio. in this experiment, the micro - tool was made through wedg

    文摘:通過以wedg放電加工手段製作微細超聲加工用工具,在採用工件加振方式的微細超聲加工機上對碳玻璃、半導體等硬脆材料試件進行微孔加工的實驗,來探討在某一特定加工條件下工具材料、工件材料、工件的振幅、加工靜載荷、磨料懸浮液濃度、工具長度及工件尺寸等重要因素對加工速度、工具損耗的影響,為微細超聲加工技術的實用化提供參考依據。
  5. The algae removing rate of four algaecides increased with dose increasing, and the sequence of four algaecides " removing rate on algae from high to low were potassium permanganate, sodium hypochlorite or copper sulfate and hydrogen peroxide. the suitable contact time of four algaecides was also given. the paper compared with the rate of algae removal by any one of three algaecides for two source water

    結果表明,實驗期間,引黃水中藻類絕大多數為藻,優勢藻屬為藻門的直鏈藻屬,占藻類總數的78 94 ;四種殺藻劑的藻類去除隨殺藻劑投加量的增加而提高,實驗條件下,四種殺藻劑的藻類去除由大到小依次為:高錳鉀次氯鈉或硫銅過氧化氫。
  6. An iron - containing material with an iron grade of over 20 % can be recovered from magnetic separation tailings of liuling iron mine by gravity method. this material can be used instead of partial clayey material to produce portland cement so as to reduce the mine tailings discharge amount to 43. 52 %, to raise the iron recovery from 70. 89 % to 84. 62 % and to reduce the iron ore powder consumption in raw cement mixture and the energy consumption of raw material grinding

    用重選法從劉嶺鐵礦磁選尾礦中回收鐵礦物,可獲得鐵品位大於20 %的含鐵物料,用此物料代替部分粘土質原料生產鹽水泥,使礦山尾礦排放量減少至43 . 52 % ,鐵的回收由70 . 89 %提高到84 . 62 % ,並且減少了水泥生料配料中鐵礦粉的用量,降低了生料粉磨能耗。
  7. Abstract : the iodine is extracted from fluorosilicic acid solution by carbon tetrachloride after the iodine ion is oxidized to the free iodine. the oxidant b is adopted through sifting oxidants

    摘要對氟提碘過程的氧化劑進行選擇研究,結果表明,對碘回收而言氧化劑b較好。
  8. The results show that : the fillers of sio2 based investment consist of sio2, al2o3 and mgo, and the binder is nh4h2po4 for sio2 based investment, the bulk density and the compression strength decrease, the apparent porosity and the thermal expansion increase, when the specimens are heated to 900 ; the fillers of al2o3 based investment consist of al2o3 and mgo, and the binder is nh4h2po4 ; for al2o3 based investment, the bulk density decreases and the apparent porosity increases when the specimens are heated to 900 ; the fillers of mgo based investment consist of mgo and al2o3, and the binder is ca cement ; for mgo based investment, the compression strength decreases and the thermal expansion increases greatly when the specimens are heated to 900

    結果表明:氧化系包埋料的骨料是氧化、氧化鋁、氧化鎂,結合劑為磷二氫銨,其900鍛燒后顯氣孔增加,體積密度下降,耐壓強度降低,熱膨脹增大;氧化鋁系包埋料的骨料是氧化鋁和氧化鎂,結合劑為磷二氫銨,其900燒后顯氣孔增加,體積密度下降,熱膨脹變化不大;氧化鎂系包埋料的骨料是氧化鎂和氧化鋁,結合劑是鋁鈣水泥,其900燒后耐壓強度明顯降低,熱膨脹明顯增大。
  9. It is indicated that the hydration process of cement - based materials with slag, fly ash and silica fume is different in some degree from that of neat cement because of the difference in mineral structure and hydration mechanism. the periods of accelerating, decelerating and terminating are prolonged and hydration reaction decelerates. the second peak of rate curve of the heat evolution could be divided into two small peaks, which are contributed to the hydration of clinkers and mineral mixtures at the temperature of 30 but when temperature comes to 50, the two small peaks combine into one and the reaction accelerates

    結果表明,與鹽水泥相比,由於礦物摻合料與水泥熟料在活性和水化機理上的差異,水化歷程有較大的改變:多組分體系誘導期、加速期和衰減期延長,水化反應速明顯降低;低溫時,水化放熱速曲線上的第二放熱峰細化成分別對應于熟料和礦物摻合料水化的兩個小峰;高溫時,反應速加快,雙峰合併;進一步研究發現,摻合料的種類與摻量對水化歷程也有較大的影響;建立了適用於多組分水泥基材料不同水化階段的水化動力學方程。
  10. Abstract : an iron - containing material with an iron grade of over 20 % can be recovered from magnetic separation tailings of liuling iron mine by gravity method. this material can be used instead of partial clayey material to produce portland cement so as to reduce the mine tailings discharge amount to 43. 52 %, to raise the iron recovery from 70. 89 % to 84. 62 % and to reduce the iron ore powder consumption in raw cement mixture and the energy consumption of raw material grinding

    文摘:用重選法從劉嶺鐵礦磁選尾礦中回收鐵礦物,可獲得鐵品位大於20 %的含鐵物料,用此物料代替部分粘土質原料生產鹽水泥,使礦山尾礦排放量減少至43 . 52 % ,鐵的回收由70 . 89 %提高到84 . 62 % ,並且減少了水泥生料配料中鐵礦粉的用量,降低了生料粉磨能耗。
  11. The result indicated that catalyst of ni2so4 had low catalysis to the preperation of humic acid ; the yield of humic acid can be enhanced by the catalysts of ni2so4 / ac and ni2so4 / sio2 evidently, and compared with none catalysts, the productivity of humic acid increased by 11. 2 % and 14. 73 % ; the catalyst of ni2so4 / cnts increased the prodictivity by 15. 84 %

    結果表明:純硫鎳催化劑活性低,腐植較低;活性炭負載硫鎳和二氧化負載硫鎳作為催化劑時,腐植的產較高,較不加催化劑時產提高11 . 2 %和14 . 73 % ;碳納米管負載硫鎳作為催化劑時,腐植提高15 . 84 % 。
  12. The paper focused on consumption of atmospheric co _ ( 2 ) through rock weathering and weathering reactions what were attributable for dissolved loads in the major basins of china. generally, dissolved loads were preferentially considered to evaluate chemical weathering relative to river - borne particulate / sediment because they are directly from source rock weathering

    中國主要流域盆地巖石化學風化的大氣co :消耗通常較高,而且中國主要流域盆地整體上碳鹽類的風化溶解對河水化學的影響程度明顯強于鹽類,這是中國主要流域盆地較為突出的特徵。
  13. So far, most studies on water chemistry in china had focused on water quality and dissolved flux, scarce literatures could be used to understand the sources of solute load and co _ ( 2 ) consumption budget in china. however, many scholars had attempted to fill in the gap in our knowledge of atmospheric co _ ( 2 ) wastage by rock weathering and tried to link water chemistry with weathering reactions in the major world watersheds

    總體而言,中國主要流域盆地大部分以碳鹽類的風化溶解為主,其對河水溶解質的平均貢獻介於30 - 60之間,而鹽類和蒸發鹽類風化通常較微弱,對河水溶解質中國土要流域盆地的風化剝蝕作用與人氣co :的消耗及其影響因子研究的貢獻分別為。
  14. Pavlova viridis, isochrysis zhanjiangensis and isochrysis galbana 3011 were cryopreserved in liquid nitrogen using encapsulation - dehydration. algal cells in early stationary phase were encapsulated in 3 % ca - alginate beads with 30 nacl, 2 million cells in one bead. beads were desiccated with silica gel then directly immersed in liquid nitrogen. the cell viability after warming was evaluated by chlorophyll content. the main factors influencing the cell viability, such as water content of beads, dehydration rate, dehydration procedure, preculture and recovery methods after thawing were studied. the results are as follows : 1

    本文以綠色巴夫藻( pavlovaviridis ) 、湛江等鞭金藻( isochrysiszhanjiangensis )和球等鞭金藻( isochrysisgalbana3011 )等三種餌料金藻為試驗材料,用包埋脫水法進行冰凍保存。選擇靜止初期的藻細胞包埋在含有30氯化鈉的3 %的褐藻鈣膠球中,細胞負載約200萬個細胞/膠球,經過膠吸濕法脫水后,探討了膠球含水量、脫水速、脫水程序、預培養以及化凍后恢復方法對冰凍保存存活的影響。
  15. This paper deals with the dry - milling production of the zrsio4 superfine powder, and through a lot of experiments, discusses the main factors affecting the grinding effciency. as a result, the optimum condition of the high grinding effciendy are determined and the related basis are provided to increase the production efficiency

    通過大量實驗,對干法制備鋯超細粉進行了研究,對影響粉碎效的主要因素進行了討論,確定了粉碎效的最佳條件,為鋯超細粉制備提供了依據。
  16. Methods of test for masonry units - determination of volume and percentage of voids and net volume of clay and calcium silicate masonry units by sand filling

    磚石結構的試驗方法.通過添加沙對鹽磚石體的體積和孔隙及凈體積百分的測定
  17. Methods of test for masonry units - part 9 : determination of volume and percentage of voids and net volume of calcium silicate masonry units by sand filling

    圬工單位試驗方法.第9部分:用沙充填法測定鈣圬工單位的體積空隙百分和凈容積
  18. Constraints on silicate weathering rates in different settings : climatic or tectonic

    不同構造帶鹽化學風化的制約:氣候還是構造
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