acid mechanism 中文意思是什麼

acid mechanism 解釋
酸化機理
  • 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.
  • mechanism : n 1 (機械)結構;機械裝置[作用];(故事的)結構。2 【哲學】機械論 (opp vitalism)。 3 【文藝】...
  1. Study on the performance and the modification mechanism of the alkalized acid - polymeric mortar

    酸性聚合物堿化的砂漿性能和機理研究
  2. Action and mechanism of arsenious acid to human hepatocarcinoma in nude mouse

    亞砷酸抗裸鼠人肝癌作用及機制研究
  3. Deposition mechanism of electroless plating tin in acid chloride solutions was analyzed theoretically, and three steps were summed up, including period of replacement reaction, coexistence periods of copper - tin codeposition and self - catalyzed deposition, and period of self - catalyzed deposition

    從理論上系統地分析了酸性氯化物化學鍍錫的沉積機理,將其歸納為置換反應期、銅錫共沉積與自催化沉積共存期和自催化沉積期三個階段。
  4. The relationship between capacitance and corrosion conditions in the enlargement of tunnels justifies the latter competition mechanism the varied etching conditions were implemented by enhancing the passivating characteristics and viscosity, changing the a13 + concentration, temperature of etchants and current pulsation. passivating acid in the etchant is conducive to the instant passivation of exposed areas on the foil surface, and hence sustains the balance of competition between aggressive anions and passivators, providing pit nucleatiori sites continuously

    通過侵蝕液中添加草酸、硫酸、乙二醇,改變侵蝕液al ~ ( 3 + )濃度和電流紋波等方法,研究了不同的侵蝕條件對隧道孔形貌和比容的影響,結果表明:草酸和硫酸既保護了鋁箔表面又促進了隧道孔孔壁的迅速鈍化,增加發孔密度。
  5. Through the analyzing the macro - structure to micro - structure, the author considers that retarding mechanism of citric acid is that citric acid and ca in the gypsum form the complexant ion, and hinder the crystallization center of dihydrate crystal bigger ; that of sodium tripolyphosphate is that it combined with ca, hinders the dissolve of hemihydrate. formation and growth of crystallization center ; that of bone glue is the glue - protection and chemical absorption action of active group, which also retards the formation and growth of crystallization center

    通過宏觀到微觀的分析,筆者認為,檸檬酸的緩凝作用的原因主要在於檸檬酸與鈣形成絡合離子,影響了二水石膏晶體的晶核長大過程;多聚磷酸鈉與鈣形成某種復鹽,對于石膏晶體的溶解、成核和長大過程均有強烈的阻礙影響;骨膠則在於膠體對半水石膏的包裹和活性基團的化學吸附,使二水石膏晶體的成核和長大困難。
  6. This article mainly focus on the selection and amelioration of catalyst. we think the mechanism of depolymerization reaction of the poly lactic acid ( oligomer ) is a intramolecular ester exchange reaction

    本文從改善合成反應的催化條件入手,通過對丙交酯合成反應的機理分析,認為整個反應是一個酯化和分子內的酯交換的反應過程。
  7. Mechanism of sucrose fatty acid ester promoting invertase biosynthesis in soybean leaves

    蔗糖脂肪酸酯調節大豆葉片蔗糖酶生物合成機理研究
  8. In this paper, pan based metal gradient composites films ( pmgcf ) were prepared by electrochemical reduction. the effect of polymer matrix on pmgcf and preparation and its forming mechanism of pmgcf were invested, they are as follows : lacrylonitrile - methyl - methacrylate copolymer, acryonitrile - itaconic acid copolymer, acrylonitrile - methyl methacry late - sodium allyl sulfonate terpolymer have been synthesized seperately in order to analyze the effects of the mma monomer unites and the hydrophilic unites of acryonitrile terpolymer on the process of copper deposition in polyacrylonitrile - based metal gradient composite film ( pmgcf ) as well as the flexibility of the film

    其內容如下: 1通過合成的丙烯腈?甲基丙烯酸甲酯二元共聚物( p ( an - mma ) ) ,丙烯腈?亞甲基丁二酸二元共聚物( p ( an - ita ) ) ,丙烯腈-甲基丙烯酸甲酯?丙烯磺酸鈉三元共聚物( p ( an - mma - as ) )分別作為基體制備了聚合物基金屬梯度復合膜材料( pmgcf ) ,以分析加入的mma基團和親水性基團對pmgcf沉積層中金屬銅的梯度分佈形態和膜的柔韌性的影響。
  9. Water - borne epoxy resin has been synthesized by grafting route, epoxy resin, methacrylic acid, butyl acrylic as primal materials. the mechanism of the preparation, emulsification and curing of the resin were described, and the whole course was analyzed. the correlative factors on each step reaction were discussed in detail

    探討了以環氧樹脂、甲基丙烯酸和丙烯酸丁酯為原料,由接枝的路線合成水可分散性環氧樹脂的制備、乳化及固化成膜一系列的反應機理,對過程進行了分析,並討論了有關因素對各步反應的影響。
  10. The article analyze the concrete drying shrinkage mechanism, find the major factors of affecting the drying shrinkage, analyze the lack of shrinkage reducing agent, who be of low molecular weight and line chain, design a new shrinkage reducing agent ? ? shrinkage reducing agent of poly - acrylate. the shrinkage reducing agent of poly - acrylate is mainly composed of crylic acid 、 cinnamene 、 poly - glycol 、 solicitating agent 、 chain transferring agent and activator, which come by these processes of polymerization 、 esterifing and neutralization to form a pectinate polymer, which have a high molecular weight and many poly - oxidative alkenes

    論文分析了混凝土乾燥收縮的機理,確定了影響乾燥收縮的關鍵因素,分析已有低分子量的、直鏈型減縮劑的不足,設計了一種新型的減縮劑? ?聚丙烯酸鹽類減縮劑,其主要由丙烯酸、苯乙烯、聚乙二醇、引發劑、鏈轉移劑、催化劑等經過聚合、酯化和中和反應,生成一種高分子量的、含聚氧化烯鏈的聚合物。
  11. Adsorption behavior and mechanism of amino methylene phosphonic acid resin for cu

    氨基膦酸樹脂對銅的吸附性能研究
  12. From the aspects of agricultural economic and environmental ecological effects, were the effects and mechanism of rare - earth micro - fertilizer to improve the growth, development, quality and yield of the crops ; the adjustment of crops growth by influencing the number of microbial population in soil district and the function of the soil dehydrase, alkaline phosphatase, urease and sucrase ; the ecophysiological effects of alleviating the injure of acid rain, ultraviolet radiation, heavy metal on crops were illustrated ; the sureness of bee ' s use in agricultural was provided, according to the rule of the distribution and enrichment of be in crops

    摘要從農業經濟效應和環境生態效應二方面,論述了稀土肥料促進作物生長、發育,提高作物產量,改善作物品質的效應與機理;影響土壤區系中微生物種群數量和土壤脫氫酶、堿性磷酸酶、脲酶及蔗糖酶的功能,繼而反饋調節作物生長;緩解酸雨、紫外輻射和重金屬傷害作物的生態生理學效應;並以稀土在作物體內分佈與富集規律為參考,探討了稀土農用的安全性。
  13. With the rapid development of molecular biology, the researchers of different scientific background are provided with a good opportunity to enter the field. people can resolve some important difficult problems with all kinds of research methods and knowledge in their fields. it is chemists " tribute that they design and synthesize effective nucleic acid cleavage reagents and clarify the reaction mechanism of complexes and dna, which makes it possible to search effective remedial reagents and structural probes by molecular design

    分子生物學的迅猛發展為不同科學背景的研究者涉足該領域提供了良好的機遇,人們可以利用各自領域的研究方法和知識來攻克生物學中的一些重要難題,化學家所能做的貢獻就是設計和合成一些特異識別和高效切割的核酸斷裂試劑,並闡明其作用機理,從而使通過分子設計尋找有效的治療試劑和結構探針成為可能。
  14. Effects of f - aminobutyric acid on morphine withdrawal symptoms in rats and its possible mechanism

    氨基丁酸對大鼠嗎啡戒斷癥狀的影響及其作用機理
  15. Study on dispersion morphology and mechanism of decanedioic acid in acrylic powder coating

    丙烯酸粉末塗料中交聯劑的分散形態及機理的研究
  16. This paper mainly aims at the strategic demands for large - aperture lightweight mirror proposed by high - tech development. its main research contents are : select material blank for lightweight mirror according to physical and chemical properties of optical glass ; analyze and calculate the deformation quantity of the mirror with finite element method ; design and optimize mirror body structure of 400 lightweight plane mirror and 450 lightweight spherical mirror, analyze glass cutting principle, design specisl - use grinding wheel structure, select reasonable technological parameters to implement the processing of weight reduction holes on 400 plane mirror ; analyze etching mechanism of hydrofluoric acid, look for the technological parameters such as the optimal acid concentration and etching time etc. ; eliminate the stress of weight reduction holes and micro - cracks on 400 lightweight plane mirror ; discuss the processing principle and

    本論文的研究主要是瞄準國家高技術對大口徑輕型鏡的戰略需求而開展的。主要研究內容是:根據光學玻璃的物理與化學性能,選擇輕型鏡坯材料;用有限元法對鏡子的變形進行分析、計算,找出變形規律,優化設計400mm輕型平面鏡、 450mm輕型球面鏡鏡體結構;分析玻璃切削原理,設計專用磨輪結構,選擇合理工藝技術參數,完成400mm平面鏡輕量化減重孔的加工;分析氫氟酸腐蝕光學玻璃機理,尋找最佳酸濃度、腐蝕作用時間等工藝參數,實現400mm平面鏡減重孔應力與微裂紋的消除;討論分離器加工原理和工藝技術特點,完成400mm平面輕型鏡面形加工。
  17. The mechanism of chloramphenicol toxicity is apparently failure of the newborn to conjugate chloramphenicol with glucuronic acid due to inadequate activity of hepatic glucuronyl transferase

    氯黴素中毒的機制顯然是由於新生兒肝臟的葡萄糖醛酸轉移酶活性不足,不能使氯黴素與葡萄糖醛酸結合。
  18. 3. amino acid assay found that besides the release of glu, preincubation with synaptosomes at 370c for 30 min enabled - agtx to reduce kcl induced asp, gly, gaba release from synaptosomes by 90 3 %, 94. 5 2 % and 95 1. 5 %, however ionomycin evoked release of these transmitters is not significantly affected. it is indicated - agtx has a common inhibitory effect on the release of these transmitters by a resemble mechanism

    氨基酸測定發現,與突觸體370c下共保溫30分鐘,除glu外, 18nm - agtx還可以有效抑制50mmkcl誘發的asp , gly和gaba神經遞質的突觸前釋放,與鈣對照相比,抑製程度分別為90 3 % , 94 . 5 2 %和95 1 . 5 % ,但對ionimycin激發的遞質釋放沒有明顯抑制作用,顯示- agtx對這些神經遞質的釋放可能存在一個相同的作用機制。
  19. Abstract : this paper discusses the reaction mechanism of neutralizin g iron salt process for treating high - arsenic contaminated acid and sums up the application of this process in the commercial operation over the years

    文摘:論述了中和鐵鹽法處理高砷污酸的反應機理,對該法幾年來在實際生產中的應用進行了總結。
  20. This paper reviews the definition, action mechanism of antisense nucleic acid, as well as its application and researches progress in fighting virus, preventing and curing cancer, cell languishment, signal mechanism, nerve center system and ophthalmology

    綜述了反義核酸技術的作用機理及其在抗病毒、抗腫瘤、細胞凋亡、信號機制、中樞神經系統以及眼科等方面的運用以及研究進展。
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