mechanism of reduction 中文意思是什麼

mechanism of reduction 解釋
還原機理
  • 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】...
  • of : OF ＝Old French 古法語。
  • reduction : n 1 縮小，減少；降級，降位；（刑罰等的）輕減；減速；減價，折扣。2 （城市、國家等的）陷落，投降，...
  1. Reduction mechanism of artemisinin in the presence of hemin

    氯化血紅素存在下的青蒿素還原機理
  2. Study on the electrochemical behaviors of artemisinin qinghaosu and its derivatives reduction mechanism of artemisinin in the presence of hemin

    青蒿素及其衍生物的電化學性質研究氯化血紅素存在下的青蒿素還原機理
  3. 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。
  4. Based on extensive investigation of construction technique history of chinese ancient buildings, the structure method, structure developing history and seismic behavior of chinese ancient timber structure buildings are analyzed in several respects of the structural system and form. through a series of experiments on constituent parts of chinese ancient timber building structure, including the tests on the corbels and brackets called dougong subjected to low cyclic reversed loadings, the tests on the wooden frame using the tenon - mortise joints as connections of column and beam subjected to low cyclic reversed loadings, the tests on vibration isolation effect of friction and slippage between column footing and their socle base, and a series of shaking table tests on a chinese ancient timber structure palace building mode under artificial earthquake at serving conditions, destroyed conditions and reinforced conditions, many valuable results of structures such as moment - curvature hysteretic loops of dougong structure and tenon - mortise joints under low cyckc reversed loadings, the static function, the seismic performance, energy dissipation, vibration reduction, energy - loss mechanism, nechanicalmode and failure mode were studied. aplenty of valuable parameters of the structure system were obtained, such as the natural period of structure, vibration modes, damping ratio, factor of vibration isolation, oscillate amplitude of ineitial accebration, velocity and displacement, magnitude of slippage, and the mechanism of structure failure and collapse etc. based on these research, the complete analysis of ancient timber structure under earthquake were carried out in which including mechanism analysis method, calculating mode, strength analysis of members and joints, strengthening methods for serving damaged ancient timber structure buildings were also taken into account

    依照宋代《營造法式》建造了抬梁式殿堂木結構構件及結構模型，對中國古代木結構中的典型構造如：柱腳在礎石頂面平擱簡支、柱架榫卯連接、柱高不越間之廣、側腳、生起、斗拱等的構造機理及結構功能進行了量化分析和實驗研究： （一）通過木柱石礎靜摩擦試驗，測定了柱腳與石礎古鏡面間的摩擦系數及摩擦力隨上部結構荷載變化的規律； （二）通過單柱承載力試驗，測定了古建築中木柱的受力變形特徵、破壞模式、及模型材料的變形模量、極限承載力、極限變形等參量； （三）通過柱架低周反復荷載試驗，測定了柱架的抗側移剛度、柱架恢復力特性及滯回曲線、榫卯張角剛度及其變化規律、柱架及榫卯的極限承載力和極限變形、及榫卯減振參數； （四）通過斗?低周反復荷載試驗和受壓試驗，測定了古建築木構件與木構件間摩擦系數，斗?抗側移剛度，斗?恢復力特性及滯回曲線，斗?抗壓極限承載力及受力變形規律； （五）通過抬梁式殿堂間架模型振動臺試驗，測定了殿堂木構架結構自振周期，地震反應振形、阻尼特性及阻尼比；按結構分層特點對柱腳、柱頭和斗?層上的屋蓋的地震反應採用多點同步測量，對柱根滑移、榫卯變形、斗?的變形、復位、耗能減振參數等進行了定量分析。
  5. The mechanism of anti - wear and friction reduction of nanometer cacoa has been discussed and individual opinions of the nanometer particles " existing way and effects have been proposed. 1 ) the shape of the nanometer cacos particle is approximate to that of sphericity. its function is similar to that of the miniature " ball bearing "

    6 、探討了納米碳酸鈣粒子的抗磨減摩機理，對于納米粒子在潤滑油中的存在方式和作用提出了個人見解： （ 1 ）納米碳酸鈣粒子近似為球形，它們起了類似微型「球軸承」的作用，從而提高了摩擦副表面的潤滑性能。
  6. 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。
  7. The mechanism of fuel saving and emission reduction were discussed in this paper. based on surface chemistry, proper emulsifiers were selected to produce stable emulsified diesel oil, which contains different amount of water. the characters of emulsified fuel such as viscosity, heat value and factors in connect with stability were analyzed

    本文以利用乳化油減少柴油機燃油耗和降低排氣污染為主要目標，先從理論上分析了乳化油節能和降低排放的機理，然後利用表面化學的知識篩選出適當的表面活性劑，復配出高效的復合型乳化劑並用其配製出不同摻水率的穩定的乳化柴油，對乳化油的物性（粘度、熱值等）及影響乳化油穩定性的因素進行了分析。
  8. Analysis based on a large amount of data about the load - settlement, pile soil stress ratio and stress distribution obtained from the model tests shows that in the horizontal - vertical multiple reinforcing system, the horizontal reinforcing function of the geocell reinforced gravel mattress, the vertical reinforcing function of the gravel pile, the system of load transfer and supporting formed through interaction and working together mechanism between gravel pile composite foundation and geocell reinforced gravel mattress are the main mechanism of its load capacity improvement, settlement and asymmetrical settlement reduction

    試驗結果分析表明：在土工格室碎石墊層碎石樁復合地基這一水平向豎向多元復合地基共同作用的加固體系中，結合了土工格室碎石墊層的水平向增強體作用和碎石樁的豎向增強體作用；土工格室碎石墊層和碎石樁復合地基相互作用，共同工作構成的荷載傳遞和支撐體系是其提高承載力，減少沉降和差異沉降的主要機理。
  9. The formation mechanism of titanium nitride powders by reduction of carbon and nitridation was researched by method of continuous weighing. the possibility to obtain the titanium nitride from this process was asserted by thermodynamical analysis and by the means of x - ray diffraction and sem

    用連續稱重法研究了鈦白粉被活性碳還原氮化合成氮化鈦粉末的還原氮化反應機理，並進行了反應的熱力學、反應產物的顯微結構以及x - ray衍射分析。
  10. Reduction of state - owned stocks and foundation of stock stimulation mechanism of the enterprise

    國有股減持與企業股權激勵機制構建
  11. The second part profoundly analyzes the rationality and feasibility of parallel construction of reduction of state - owned stocks and establishing incentive mechanism of stock ownership for managers

    第二部分深入分析了國有股減持與經營者股權激勵機制構建并行的合理性和可行性。
  12. At the first step of the algorithm, based on the theory of principal component analysis, a modified principal component analysis ( mpca ) approach is adopted to reduce the dimension of data horizontally, then after comparing existing clustering algorithms, an immune clustering algorithm is put forward based on similarity measurement of principle component core for vertical reduction by using related mechanism of clone selection as well as immune network self - stabilization in natural organic immune system for reference

    在進行樣本參量的降維處理時，基於主元分析的思想，採用一種改進的主元分析（ mpca ）方法用於橫向數據壓縮，在壓縮樣本數量時，綜述和比較了現有的各種聚類演算法，借鑒生物體自然免疫系統中克隆選擇以及免疫網路自穩定等有關機理，提出了基於主元核相似度的免疫聚類演算法用於縱向數據壓縮。
  13. In this paper, it analyzes the mechanism of automobile noise polytechnic and routes of noise propagation, expoundes the research of active control and passive control of the vibration and noise reduction control technology of automobile. then it puts forward the means of automobile noise reduction in practical application

    從汽車噪聲的產生機理入手，分析了噪聲傳播的途徑，從主動控制與被動控制兩方面對汽車減振降噪技術進行了研究，介紹了實際應用的降噪方法
  14. The mechanism of vibration reduction and support characteristics are analyzed and a friction damper is designed

    分析了該支承的減振機理和支承特性，設計了摩擦阻尼器，研究了其對轉子系統不平衡響應的影響。
  15. Mechanism of drag reduction by spanwise wall oscillation in turbulent channel flow

    壁面展向周期振動的槽道湍流減阻機理的研究
  16. The asymmetric reduction mechanism of p - methylcyclohexanone by sodium borohydride was investigated with ab initio calculations

    用從頭計算方法對硼氫化鈉不對稱還原對甲基環己酮的機理進行了研究。
  17. Characteristics of flow - field, total pressure loss / reduction, species distribution ; parameters of reactive domain and mixing mechanism of reactant streams have been investigated. ssg ( small signal gain ) coefficient, utilization of f atom and heat release in reaction have been computed

    討論了該類噴管的流場特徵、組分分佈特點、總壓損失特徵、反應區流場參數和反應流混合機理，並對小信號增益系數、 f原子利用效率和反應放熱進行了計算。
  18. By testing some parameters, such as the maximum non - seizure load, the shape and diameter of wear scar, the friction factor, the nanometer caco3 particles " properties of extreme pressure, anti - wear and friction reduction have been tested and analyzed. the properties of the nanometer caco3 particles " tribology chemistry have been analyzed through x - ray photoelectron spectrum test. also the nanometer caco3 particles " mechanism of anti - wear and friction reduction has been studied systematically

    通過測試最大無卡咬負荷、觀察磨斑表面形貌和測定磨斑直徑以及測試摩擦系數，對納米碳酸鈣粒子的極壓性能和抗磨減摩性能進行了分析和研究；通過xps測試對納米碳酸鈣潤滑油添加劑進行了摩擦化學的分析和研究，對于納米碳酸鈣粒子的抗磨減摩機理做了系統的分析。
  19. For improvement of effectivity and reduction as much as possible of reciprocaing motion stroke o f oil press, amplifier - mechanism of distance has been applied to structure adde d hence realization of speed autotransmitting

    為了能提高效率，讓油壓機往復運動行程盡量縮短，模具結構中採用了增距放大機構並分析了實際應用中出現的誤差，增加了可調結構，可完全實現快速自動上下料。
  20. This mode of damage is essentially analyzed with a simple static approach by comparing post - earthquake residual strength of sand with initial stress due to gravity. the other involves limited, but often large, amount of deformation due to significant reduction in soil stiffness but without involving mechanism of failure in soil

    一種為飽和砂土的強度的降低而導致的完全流動破壞；另一種為不涉及土體的破壞機理，但由於土體勁度的降低而產生有限的大變形，稱為循環活動性。
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