絡化劑 的英文怎麼說

中文拼音 [làohuàjì]
絡化劑 英文
complexing agent
  • 絡 : 絡構詞成分。
  • 劑 : Ⅰ名詞1 （藥劑; 制劑） a pharmaceutical or other chemical preparation 2 （某些有化學作用的物品） a...
  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. In the machinery industry, the sodium citrate is widely used for replacing sodium cyaniding to clean the metal surface of heat exchanger metal surface and the chemical pipeline, because of its nonpoisonous, no pollution, high combine performance, it is good buffer and complexing agent in the electroplate industry

    在機械造業中，檸檬酸納由於無毒、無污染，高整合性能，因此廣泛用於替代氰化鈉，處理金屬表面熱交器和化工管道的清洗劑，是電鍍工業良好的緩沖劑和絡合劑。
  3. When the concentration of cosc > 4 was 30g / l, the plating rate was max

    絡合劑在濃度較低時對化學鍍有加速作用，濃度太高反而會延緩鍍速。
  4. Least sweep voltammetry method was employed to study h2po2 - anodic oxidation and ni2 + cathodic reduction in electroless nickel plating solutions containing different complexing agents

    運用線性電位掃描法，研究了含有不同絡合劑的化學鍍鎳溶液中鎳離子陰極還原行為和次磷酸鹽陽極氧化行為。
  5. When the bath load was increased, the plating rate was shortened. the effects of bath composition and plating conditions on the composition were also investigated. the x - ray analysis showed that edta and the stabilization agent can effectively increase the content of the copper oxidation in the composite powders

    粉體x ray分析的結果表明，絡合劑對防止鍍液中的氫氧化銅的產生起來關鍵作用，而氫氧化鋼是產生氧化亞銅的直接原因，因而選用edta作為絡合劑，以及合適的量，可以減少二射線中的氧化亞銅的饅頭峰。
  6. Yin, yue - yan ; zhao gang * ; yang, gao - sheng ; yin, wei - xing, “ preparation of 6, 6 ' - bisperfluoroalkylated binols and their application in asymmetric alkylation of benzaldehyde ”, chinese journal of chemistry, 2002, 20, 803 ? 808

    楊高陞，盛恩宏，程林，周雙六，孫益民，王紹武* ， 「含茂基稀土金屬有機絡合物催化劑在有機合成中的應用」 ，中國稀土學報， 2002 ， 20 ， 97 ? 106
  7. The complexation approach applied with the addition of acetic acid complexing agent is used to synthsize dy2o3 / zro2 ceramic power under low temperature. the best heat treatment temperature is about 600

    採用乙醇酸作絡合劑的化學絡合法可以在較低的溫度下制備出氧化鋯和氧化鏑的復合氧化物，最佳的熱處理溫度為600左右。
  8. Research and applications progress of chitosan metal complex catalysts

    殼聚糖金屬絡合物催化劑的研究與應用進展
  9. Metal complex catalyst

    金屬絡合物催化劑
  10. Regioselectivity in catalytic oxidation of alkanes using zeolite - encapsulated catalyst

    沸石負載釩絡合物催化劑對烷烴氧化反應的擇形選擇性
  11. Applications of a variety of metal - based catalysts to asymmetric oxidation of sulfides were reviewed

    綜述了各類手性金屬絡合物催化劑在硫醚不對稱氧化中的應用。
  12. Recently, the rational design of chiral metal complexes for enantiomerically catalytic oxidation of sulfides attracts much attention

    理性設計各種手性金屬絡合物催化劑應用於催化對映選擇性氧化潛手性硫醚反應中，近年來引起了化學家們較大的關注。
  13. During the preparation process of the solid solution, a series of effect conditions were discussed such as ph value, si / h2o, the content of ligant, the surface active agent, the aging temperature, the drying means, the drier gel calcine and their effects on the gel quality, the process of sol - gel, the granular of powder and the density of the pellets, from which the best reaction condition was found

    在制備過程中系統地研究了各種反應條件如ph值、 sal ； o 、絡合劑的添加量、老化溫度、乾燥方式、干凝膠的鍛燒方式等對溶膠「的質量、溶膠凝膠過程、粉體粒度及燒結體密度等的影響，確定了最佳反應條件：三、以li 。石i 。 。
  14. In this study, the preparing processes of zro2 - ni nanocrystalline composite powder aremixing the nickel salt, zirconium salt and stabilizer, solvent ( distilled water ) together to prepare the mixing solution according to certain ratio ; commingling the mixing solution, coordination solution of carboxylic ammonia, intrusion aid in accordance with certain rate to form sol, drying the sol and turning it into gel, pre - sintering the gel to get the zro2 - nio powder and gaining zro2 - ni nanocrystalline composite powder by reducing the zro2 - nio powder. xrd, x - ray wide - angle diffractometer, bet, sem, tem, hrtem analyses are used to study the zro2 - ni nanocrystalline composite powder and zro2 - ni cermet. the sintering temperature is determined

    本研究的zro _ 2 - ni納米復合粉末的制備方法如下：將鎳鹽、鋯鹽、穩定劑和溶劑（水）按所需成分配成混合溶液，再將混合溶液、外加劑和氨羧絡合劑按比例混合形成溶膠，溶膠經乾燥成為凝膠，凝膠經預燒得到zro _ 2 - nio納米粉，將該氧化物粉還原得到zro _ 2 - ni納米復合粉。
  15. On the basis of electroplating and immersion plating tin, and through large numbers of experiments, a new process of electroless plating tin in acid chloride bath solutions including sncl2 2h2o, nah2po2 h2o, special complexing agent, additive agent, stabilizing agent and antioxidant, was established. continuous self - catalyzed deposition of tin on copper substrate was achieved successfully, and half - bright and silvery - white tin deposits with excellent properties were obtained

    本文是在電鍍錫、浸鍍錫工藝配方的基礎上，通過大量的試驗，確立了一種以氯化亞錫、次亞磷酸鈉和特定的絡合劑、添加劑、穩定劑，抗氧化劑為基本鍍液組成的酸性氯化物化學鍍錫體系，成功地在銅上實現了錫的連續自催化沉積，獲得了性能優異的半光亮銀白色錫鍍層。
  16. The intermediate - temperature sofc ( solid oxide fuel cell ) ’ s electrolyte with perovskite - type lsgm ( la _ ( 0. 9 ) sr _ ( 0. 1 ) ga _ ( 0. 8 ) mg _ ( 0. 2 ) o _ ( 3 - ) ) was synthesized using advanced pechini method and solidification method. the thermal and electrical properties of the sintered samples ( synthesized by two different methods ) were measured and compared by thermal expansion and ac impedance spectroscopy ; the phase transformation process and inner structure were measured and compared by xrd, dta - tg and ac impedance spectroscopy. the research results show that the electrolyte synthesized by advanced pechini method has several advantages, such as fine pre - powders, low sintering temperature, reduced or eliminated impurity phases and high conductivity etc. so, the apm is ideal method to synthesize lsgm

    採用改進的檸檬酸法（以檸檬酸和edta乙二氨四乙酸為復合絡和劑，檸檬酸為燃料）和固相法分別制備了具有鈣鈦礦結構的中溫固體氧化物燃料電池的電解質材料lsgm （ la _ （ 0 . 9 ） sr _ （ 0 . 1 ） ga _ （ 0 . 8 ） mg _ （ 0 . 2 ） o _ （ 3 - ） ） ，用差熱?熱重分析（ dta / tg ） 、 x光衍射分析（ xrd ） 、交流阻抗譜技術（ ac - impedancespectra ） 、比表面積分析（ bet ）和燒結收縮率曲線等手段對產物的熱分解過程、物相轉變和內部結構等進行了表徵，並對由這些粉體燒結而成的固體氧化物燃料電池的電解質材料的電導率進行了檢測。
  17. The orthogonal experiment has been used to optimize the electrolyte composition and the craft parameters, with the increasing of the main salt and reducing agent concentration in the electrolyte, the electroless plating coating ’ s adhesive strength and the coverage ratio also increase ; increasing the complex agent content, the electroless plating coating ’ s adhesive strength and the coverage ratio exist the maximum value ; the electroless plating deposition rate distinctly increases when the electrolyte temperature and the ph value were increased, but the increasing of temperature and ph value affects the electrolyte ’ s stability

    採用正交實驗對鍍液成分、工藝參數進行了優化，隨著鍍液主鹽、還原劑添加量的增加，鍍層結合強度及其覆蓋面依次增強，隨著絡合劑添加量的增加，鍍層結合強度及其覆蓋面先增加然後減少，隨著鍍液溫度及其ph值的升高，化學鍍沉積速度明顯提高，但影響鍍液的穩定性。
  18. In addition, we use spectrophotometric to study the compositions of nickel - iron alloy prepared by electrodeposition, and the main results are as follows : iron ( ) forms a stable deep purple complex with ethylenediaminetetraacetic acid disodium salt ( edta ) and hydrogen peroxide in aqueous solution at ph = 10. 7 - 11. 3 ; nickel ( ) forms a red complex with dlacetyl dioxime in aqueous ammonia when an oxidation ( iodine ) exists ; thus the amount of iron ( ) and nickel ( ) can be determinated by the absorption of their complexes at 519nm and 538nm respectively

    利用三價鐵與edta和h2o2形成穩定的深紫色三元絡合物，在氨性溶液中，當有氧化劑存在時，鎳與丁二酮肟形成酒紅色的絡合物，用吸收光度法可分別在519nm和538nm波長處測定鐵、鎳的含量， fe和ni的相對標準偏差分別為0 . 95和1 . 2 ；對實際樣品的測定結果與xps分析一致。
  19. An effective way to reduce phosphorus content in electroless nickel deposits is to use appropriate complexing agents

    降低化學鍍鎳鍍層磷含量的主要方法是選擇合適的絡合劑。
  20. Still further, the research work was described in detail as the following aspects : l ) the preparation of ti02 solution doped with ag ~ the main components of the prepared solution contained ot tic ) 2, ti ( oc4h9 ) 4, which served as precursor to prepare homogeneous and transparent solution, and ag ~, which was introduced from agno3 and stabilized by citric acidor na2s2o3. with different ratio of water, alcohol and complexing agent, different kinds of tic ) 2 - ag " solution were got

    本論文的工作主要包括以下六個方面： 1 ）含銀離子二氧化鈦溶膠的制備以鈦酸丁脂為先驅體，調整溶液的ph值，以及絡合劑制得均勻、穩定的含銀二氧化鈦溶膠，討論了加水量、乙醇的加入量以及絡合劑與溶膠過程特性的關系。
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