置換氧化 的英文怎麼說

中文拼音 [zhìhuànyǎnghuà]
置換氧化 英文
substitutionary oxydation
  • 置 : 動詞1. （擱; 放） place; put; lay 2. （設立; 布置） set up; establish; arrange; fix up 3. （購置） buy; purchase
  • 換 : 動詞1. （給人東西同時從他那裡取得別的東西） exchange; barter; trade 2. （變換; 更換） change 3. （兌換） exchange; cash
  • 氧 : 名詞[化學] （氣體元素） oxygen （o）
  • 置換 : displace; substitute; supersede; substitution; replacement; permutation; transposition; transposi...
  • 氧化 : [化學] oxidize; oxidate; oxide; burning; rust; oxygenize; oxido-; oxy-
  1. Meanwhile, fundamental principles about electroless tin plating by reducing agent and disproportionation reaction were explained. function of every component in the bath was explained that complexing agent can effectively change the potential of copper and tin, and accelerate the beginning of replacement reaction favorably ; reducing agent can increase the rate of chemical reaction and has the effect of promoting reaction dynamics too ; antioxidant can effectively prevent sn2 + in the bath from being oxidated ; additive agent a can improve the stability of the bath ; additive agent b has such effects as refining and brightening for the tin deposits, and it enlarges the range of brightening section ; additive agent c used as leveling agent can not only make the depostis level off, but also improve the dispersive ability of the bath ; surface - active agent can solve bubble problem which gathered on the surface of the deposits, and improve the surface quality of the deposits and the bath stability

    闡述了鍍液中各組分的作用：絡合劑能有效地改變銅、錫的電位，促使初期的置換反應順利進行；還原劑能加快化學反應速度，對反應動力學有積極的促進作用；抗氧化劑能有效地防止鍍液中sn ~ （ 2 + ）的氧化；添加劑a能提高鍍液的穩定性，添加劑b對鍍層能有細化和光亮作用，擴大了鍍層光亮區的范圍；添加劑c作為平滑劑，不僅能增強鍍層表面的平整性，而且能提高鍍液的分散能力；表面活性劑較好地解決了化學鍍過程中汽泡在鍍件表面聚集的問題，提高了鍍層的表面質量和鍍液的穩定性。
  2. Hygienic determination method of carbon monoxide in air of residential areas - method of replacing mercury

    居住區大氣中一氧化碳衛生標準檢驗方法汞置換法
  3. The mounted sections were dewaxed in xylene and passed in graded alcohols for pcrmutation, dip in distilled watcr. h. e staining was proceeded, then dehydrated in graded alcohols, cleared in xylene, and sealed 8 with neutralized resin

    Im 、 ph7 2磷酸緩沖液中過夜后，再用上述磷酸緩沖液沖洗切塊三遍，然後梯度酒精脫水，醋酸乙戊酯置換，二氧化碳臨界點乾燥，真空噴金，日歷s七500n觀察、照像。
  4. For the special physical and chemical character of aluminum, a nickel layer is deposited before electroplating. it can avoid the active surface of aluminum oxidized again or substitution reaction in the bath

    由於鋁特殊的物化性質，電鍍鎳鉻合金前採用預鍍鎳的工藝，避免活化后的鋁基體表面再次被氧化或在鍍液中發生置換反應。
  5. There has been an increasing interest in the production of particulate reinforced aluminum matrix composites by the replacement reaction between low - cost oxides and al

    採用廉價氧化物與al的置換反應來制備al _ 2o _ 3顆粒增強鋁基復合材料的方法是目前的研究熱點。
  6. Standard test method for gas content nonacidic of insulating liquids by displacement with carbon dioxide

    用二氧化碳置換法測定絕緣液體中氣含量
  7. Determination of density and total porosity of uranium dioxide pellets by the mercury displacement method

    水銀置換法測定二氧化鈾顆粒的密度和總氣孔率
  8. But most of the researches focus on the reaction of single oxide and al to form wild phase al2o3. these researches show that only cuo / al reaction system can produce al2o3 particles steadily. however, the reaction is very drastic and it belongs to blast reaction

    但大部分的研究集中在單一氧化物與al的置換反應生成增強顆粒al _ 2o _ 3的方法上，研究表明，只有cuo al反應體系在al熔點以上不高的溫度范圍能穩定生成顆粒，但同時cuo al反應過于劇烈，屬于燃爆反應，不易控制。
  9. The main results are as follows : 1. ynthesize the carbon / nickel oxide compound aerogel by sol - gel. it becomes aerogel electrode through heating, aging, followed by supercritical drying from carbon dioxide and subsequent pyrolysis in an inert nitrogen atmosphere

    本文的主要研究內容歸納如下： 1 .採用sol - gel法合成碳/氧化鎳復合氣凝，經過丙酮置換、二氧化碳超臨界乾燥、炭化等過程製成復合碳氣凝膠電極。
  10. The microstructures hardness grinding performances and mechanical properties of the composites have been analyzed. this paper also discusses the influences of quality ratio and mixture of different oxides to the composites " properties. at the same time, the thermodynamic principles and principles of dynamics have been studied

    本文研究了四種原位反應體系： cuo al 、 cuo + sio _ 2 al 、 cuo + tio _ 2 al 、 cuo + sio + _ 2 + tio _ 2 al ，並對由這四種原位反應體系所制備的鋁基復合材料的微觀組織、布氏硬度、耐磨性能以及拉伸力學性能作了分析與檢測，討論了不同氧化物配比以及不同氧化物的混合對復合材料性能的影響，研究了氧化物與al發生置換反應的熱力學與動力學機理。
  11. Implanting copper at m / o interface by means of anodic oxiding simulates the original foil surface. the enlargement of tunnels is determined to some extent by the dissolution competition of foil surface and wall of tunnels

    創造性地採用陽極氧化一置換復合法將銅置於m / 0界面重現了鋁箔的原始表面，提高比容10 %以上。
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