過度還原 的英文怎麼說

中文拼音 [guòdùháiyuán]
過度還原 英文
over reduction
  • 過 : 過Ⅰ動詞[口語] （超越） go beyond the limit; undue; excessiveⅡ名詞（姓氏） a surname
  • 度 : 度動詞[書面語] （推測; 估計） surmise; estimate
  • 還 : 還副詞1 （表示現象繼續存在或動作繼續進行; 仍舊） still; yet 2 （表示在某種程度之上有所增加） even...
  • 原 : Ⅰ形容詞1 （最初的; 原來的） primary; original; former 2 （沒有加工的） unprocessed; raw Ⅱ動詞（原...
  • 過度 : excessive; over; undue; ana-; hyper-
  • 還原 : 1 （恢復原狀） return to the original condition or shape; restore2 [化學] （還原作用） reduction;...
  1. This article analyzes the mineralization mechanism of the uranium ore, constructs a series of spectra indexes including the ferric oxide index, the ferrous oxide index, the oxidation index, clay mineral index, brightness index, the green index and the humidity index, and draws the distribution and scope of the oxidation belt, deoxidation belt, the supplies and partial drainage of ground water in the research area, thus selects the advantageous area of uranium mineralization

    通過分析鈾礦的成礦機理，構建了氧化鐵指數、氧化亞鐵指數、氧化指數、粘土礦物指數、亮度指數、綠度指數和濕度指數等一系列光譜指數，提取了研究區氧化帶、還原帶、地下水補給與局部排泄的分佈和范圍，從而圈定了鈾礦成礦的有利區。
  2. In order to improve the electro - catalytic activity of platinum based catalyst to methanol oxidation, in this thesis, firstly prepare heteropoly acid modified pt / gc electrode with different concentration by cyclic voltammetry method, and then test the cyclic voltammetry curves individually in vitriolic and methanol solution. the study shows the best concentration for both phosphomolybdic acid and phosphotungstic acid is 1 10 ~ ( - 3 ) mol / l. and find the more heteropoly acid modified on electrode, the lower peak - up potential towards methanol because of the existence of oxygenous species

    為了改善鉑基催化劑氧化甲醇的催化活性，本論文首先通過循環伏安掃描法制備了不同濃度磷鉬酸和磷鎢酸修飾的pt / gc電極，通過研究pt / gc電極在修飾前後在硫酸溶液中及含甲醇的硫酸溶液中的循環伏安行為發現，磷鉬酸和磷鎢酸均能在ptru / c電極上發生氧化還原反應，而且雜多酸修飾濃度對pt / gc電極氧化甲醇的催化活性有很大影響。
  3. Flumiclora - pentyl was prepared from p - fluorophenol as starting material via several steps such as chlorination, nitrification, reduction and condensation. the yield of the product was 50 %, and the purity was higher than 97 %

    摘要以對氟苯酚為原料，首先與氯氣發生反應，生成2 -氟4 -氯苯酚，再經過硝化、還原、縮合等幾步反應得到氟胺草酯，反應總收率達到50 % ，產品純度大於97 % 。
  4. From the perspective of structuralism and phenomenology, there are many important literary and artistic phenomena can be seen in the course of " signifier - signified - revivification by readers ", which will contribute further to understanding the text characteristic of literature

    從結構主義和現象學的角度視之，可以在「所指能指讀者還原」這一過程里見出許多重要的文藝現象，這都有利於我們對文學文本特徵的進行深入理解。
  5. When i was as old as you, i was a feeling fellow enough ; partial to the unfledged, unfostered, and unlucky ; but fortune has knocked me about since : she has even kneaded me with her knuckles, and now i flatter myself i am hard and tough as an india - rubber ball ; pervious, though, through a chink or two still, and with one sentient point in the middle of the lump

    「此外，我曾有過一種原始的柔情。在我同你一樣年紀的時候，我是一個富有同情心的人，偏愛羽毛未豐無人養育和不幸的人，但是命運卻一直打擊我，甚至用指關節揉面似地揉我，現在我慶幸自己像一個印度皮球那樣堅韌了，不過通過一兩處空隙還能滲透到裏面。在這一塊東西的中心，還有一個敏感點。
  6. Finally, the atomic coherent population trapping is studied in a multilevel laser - induced continuum structure system including cascade two - photon processes by means of quasi - classical theory. the condition leading to the atomic coherent population trapping and the dark state are given explicitly. the effects of atomic initial state and the laser intensity on the populations distributed in the atomic bound states are discussed

    我們還運用準經典理論研究了含級聯雙光子過程的多束縛態激光場誘導原子連續態結構系統中原子布居數的相干俘獲，給出了產生相干俘獲的條件及暗態的表達式，討論了原子初態和激光強度對原於布居數的影響，揭示了原子相干對穩定rydberg原子的重要作用。
  7. A series of near roundness cds nanoparticles with a particle diameter of 3 ~ 6nm have been prepared by controlling the concentration and proportion of reactants and adopting sodium hexametaphosphate as stabilizing agent. the studies demonstrate that these particles present obvious quantum size effect and an appropriate excess of cd2 + ion and hexametaphosphoric acid group polysnion are helpful to the dispersion and flame capability ' s improvement of particles. another series of near roundness monodisperse au nanoparticles with a diameter of 12. 3nm was prepared via sodium citric acid deoxidizing auric chloride acid

    利用六偏磷酸鈉作為穩定劑，通過控制反應物的濃度及比例，制備了粒徑為3 6nm 、呈近似球形的cds納米顆粒，光譜測試結果表明，顆粒具有明顯的量子尺寸效應，適當過量的cd ~ （ 2 + ）離子以及六偏磷酸根聚陰離子有助於顆粒的分散並提高其發光性能；採用檸檬酸鈉還原氯金酸，制備了接近球形、平均粒徑約為12 . 3nm的單分散體系au納米顆粒；採用wessling的前驅聚合物法獲得導電聚合物ppv前驅體。
  8. But the underlying reason is that the media gave over - publicity to wap service when various conditions are not mature. people had too many expectations of the new service. however, in fact when they bought wap handsets, they disappointedly found them not as useful as they expected

    但是其最根本的原因是當wap推向市場后，在一切條件還不成熟的情況下，媒體不負責任地過度炒作造成了用戶過高的期望，令wap這項原本前途無量的新技術從一開始就步入了畸形發展的軌道。
  9. 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。
  10. The electrode was found to decrease the solubility of dithizone in alkalescence solution and effectively minish the lose of deoxidize state of metal. third, a potentiometric sensor was prepared by adding copper diethyldithiocarbamate directly into the carbon paste mixture, and the electrode was found has nerst response to copper ion in solution. and in our research two pharmaceutical selective electrodes were fabricated by coating polyvinyl chloride ( pvc ) which contained electroactive material on carbon rod electrode

    第二，利用- cd與環氧氯丙烷形成的交聯聚合物（ - cdp ） （不溶性）包合了雙硫腙，然後將- cdp與雙硫腙包合物樹脂作為修飾劑制備了碳糊修飾電極，利用陽極溶出伏安法（ asv ）測定了pd ~ （ 2 + ） ，實驗發現通過包合降低了雙硫腙在堿性溶液中的溶解度並且減少了金屬還原態的流失，取得了較好的效果。
  11. 4. a novel amperometric sensor has been constructed for the determination of h2o2. it was based on catalyzing electroreduction of hydrogen peroxide by metal hexacyanoferrate, which were electrodeposited on gold wire electrodes, under a certain potential

    利用循環伏安法，在金電極表面電化學沉積一層鐵氰酸鎳膜（ nihcf ） ，在一定電位條件下，它能快速催化還原過氧化氫，其響應電流與過氧化氫的濃度呈線性關系。
  12. The fallacy of composition is a kind of " macro - market failure ", so the stabilization policy should be chosen by the state. also, the paper analyzed the economic bodies " responses and the state ' s behaviors in the deflationary environment, and studied the price fluctuations in the money angle, and finally summarized the causes of the deflation in our country, pointing out that over - investment is the main factor. several suggestions about setting up some institutional and physical infrastructure facilities are brought forward in the end

    本文所做的工作還包括對通貨緊縮環境中微觀經濟主體的反應以及政府（央行）的行為進行了分析，並從貨幣角度對物價變動和通貨緊縮的形成作了探討，最後對我國通貨緊縮形成的原因進行了總結，認為90年代初期以來過度投資造成的生產能力相對過剩是引起我國通貨緊縮的主要原因，而抑制高通脹的「雙緊」政策、亞洲金融危機的沖擊以及國內一系列重大改革措施的負面影響等原因，則在一定程度上提前、加劇或延長了我國的通貨緊縮。
  13. A quantitative appraisal of the prospect of uranium mineralization is completed based on a set of hydrochemical data acquired from the known in - situ leachable sandstone - type uranium, including radon content, acid - alkali ratio, oxidized and reduced electronic potential, hydrocarbonate radical and uranium content in water

    但是在找鈾過程中僅用水化學成份、氡含量、酸堿度和氧化還原電位等數值進行描述，說明它們與鈾礦化的關系，這種單一因素的描述不能綜合反映與鈾礦化的聯系程度，以定量評價鈾礦化與上述因素的關系，從而影響了水化學找礦的效果。
  14. Copper - nanosized tibi composites were prepared by in - situ process. the microstructure, mechanical and electrical properties, and dry sliding wear behavior and electric sliding wear of cu - nanosized tib _ 2 in - situ composites was investigated ; mostly task as follows : the thermodynamic data for the reactions between b and ti in the molten liquid of copper were analyzed, the copper matrix composites reinforced by in - situ tibi nanoparticles were prepared by reactions of 8263, carbon and titanium in copper - titanium melt, and copper - titanium, copper - boron in alloy melt, respectively, which controlled the reaction temperature, reaction time and solidification process. the rnicrostructure and mechanical and electrical properties of the in - situ composites were investigated by using optics microscope, tem and xrd

    本文採用原位反應法制備了cu -納米tib _ 2原位復合材料，在此基礎上分析了原位復合材料的微結構，進行了干滑動摩擦磨損和電接觸滑動磨損實驗，完成的主要工作如下：從熱力學的角度出發，分析了陶瓷tib _ 2顆粒在銅基體中原位生成的熱力學條件，並用電解銅、工業純鈦、 b _ 2o _ 3 、 c （還原劑）以及cu - ti 、 cu - b等合金為原料，通過控制適當的反應溫度、反應時間和快速凝固等工藝手段，制備了cu -納米tib2原位復合材料。
  15. Because of the limitation of experimental conditions we failed to form foam lead grid in the experiment. copper draw net is used as anode grid and it can improve to some extent the utilization of pam. due to human errors in the experiment we have not used the same discharge current density

    在實驗中我們試圖通過鑄造法、電鍍法和還原法等一系列的實驗辦法製作泡沫鉛板柵，由於實驗條件的限制，沒能夠成功制得泡沫鉛，而在使用銅拉網作為正極板柵的時候，能夠使電池的正極活性物質利用率有提高，但由於實驗時候的失誤，沒能夠使用相同的放電電流密度進行放電，我們無法利用實驗數據比較出具體能提高的數字。
  16. When nals was used as the collector in the process, the optimal conditions were the ph of feed solution 5. 0 - 6. 0, air flow rate 100ml / min, the liquid column depths 20cm, the surfactant concentration determined by its cmc and feed concentration. under this condition, the 3 can be above 20. also, the optimal ph ( 5. 0 ) was calculated theoretically for the recovery of the cu ( ii )

    對以十二烷基硫酸鈉為捕集劑的泡沫吸附分離過程的工藝參數進行了研究，並得出本分離系統所確定的最佳工藝參數為： ph5 . 0 6 . 0 ，氣體流量100ml min ，液位高度20cm ，最佳表面活性劑濃度由其臨界膠束濃度和原料液濃度確定，此時（濃縮比）可達20以上；同時還從理論上推算出泡沫吸附分離銅的最佳ph值范圍為5 . 0左右。
  17. Its oxygen - sensitivity is related to its oxidation and reduction process and non - stoichiometric ratio. in la _ 2nio _ 4 + system with excess oxygen, the conductivity is in proportion to o21 / 6. the effect of doping on a and b site have been studied in this paper

    其本身的氧化還原過程和非化學計量是其氧敏性的根源，在氧過剩的la _ 2nio _ 4 +系統中載流子濃度與氧分壓的1 / 6次方成正比。
  18. If you are overly nice to them, they might reciprocate with the odd positive story, but will revert to type at the first opportunity

    如果你過度的對他們好，他們或許偶爾報道一下正面新聞，但是一有機會還是回到原來的樣子。
  19. In the third chapter of this thesis, the nickel electrodeposition process in leaching solution containing ammonia and chloride was summarized, and the electrochemical behaviour of nickel electrodeposition in ammonia complex bath was investigated by measuring polarization curves. the effects of total nickel, ammonia, ammonium chloride concentrations in the electrolyte as well as its anion species and temperature were studied systematically

    在第三章中首先對氨絡合物體系電積金屬鎳的工藝進行了總結，並通過極化曲線測量，對氨絡合物體系中鎳陰極電沉積電化學行為進行了研究，系統探討了溶液中總鎳離子濃度、氨水濃度、氯化銨濃度、陰離子及溫度等工藝條件對鎳陰極還原的影響，而後著重對電積鎳的反應機理進行了研究。
  20. By considering the effect of different binders, basicity, reduction temperature and time on the compression strength and dezinc degree after reducing, find out the best scheme a1b3c3d3 and get the metallic pellets with higher compression strength and dezinc degree

    通過研究不同粘結劑、堿度、還原溫度和還原時間對熟球抗壓強度、脫鋅率的影響，找出最佳試驗方案為a1b3c3d3 ，得到脫鋅率和抗壓強度較高的金屬化球團。
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