two-reaction method 中文意思是什麼

two-reaction method 解釋
雙分析法
  • two : n. （pl. twos）1. 兩人；兩個東西，一對。2. 二的記號。3. 兩點鐘。4. 兩歲。n. -ness
  • reaction : n 1 反作用，反應；反沖；反動力。2 【政治學】反動，倒退；復古（運動）。3 【化學】反應，【物理學】...
  • method : n 1 方法，方式；順序。2 （思想、言談上的）條理，規律，秩序。3 【生物學】分類法。4 〈M 〉【戲劇】...
  1. Two kinds of wo3 powder are prepared by sol - gel method and gas - phase reaction method with tungsten filament, and heater type gas sensors to trimethylamine are made. under different work temperatures, these sensors ’ sensitivities are measured, and the result indicates that wo3 by sol - gel has better gas sensing performance to trimethylamine. at the same time, the wo3 - based gas sensor to trimethylamine can work at low temperature, which

    3 、本課題對不同摻雜的wo3材料進行了研究，發現摻雜3 % pd的wo3基氣敏元件在150ppm三甲胺氣體中，最佳工作溫度僅為85 ，該溫度下元件最高靈敏度可達11 . 7 ，並且元件的靈敏度隨tma濃度的升高而變大，這表明摻雜pd的wo3材料在低溫下對tma氣體有很好的響應。
  2. This paper is concerned with, the existence and stability of travelling wave solutions for the viscous balance law which is an extension of viscous conservation law where a reaction term g ( u ) is added. l ) the existence of travelling wave solutions by geometric singular perturbation method, we investigate the existence of travelling waves ( a2 ) connecting a saddle point and a sink point and the existence of viscous shock waves c connecting two adjacent or disadjacent saddle points. by giving a detailed analysis of the fast and slow manifolds and verifying the transversality of the intersection of singular stable and unstable manifolds of the reduced problem along the singular heteroclinic orbit, we obtain the existence of travelling waves ( a2 ) in the case of a convex flow function / and that of viscous shock waves c under the assumption that f " is bounded

    主要結果如下： 1 ）行波的存在性本文利用[ 37 ]中幾何奇異攝動理論，通過仔細分析= 0時的快流、慢流，驗證= 0時慢流方程的穩定與不穩定流形橫截相交於奇異異宿軌道，先在f為凸的條件下嚴格證明了（ ）存在連接不相鄰的鞍點、結點的行波（ a2 ） ；然後在地f有界的條件下得到（ ）存在連接鞍點（包括相鄰和不相鄰）的粘性沖擊波c ，彌補了[ 11 ]缺少嚴格證明的不足，並推廣了[ 11 ]在f為凸的條件下得到的粘性沖擊波的存在性結果。
  3. Based on decreasing the production cost and enhancing the high rate performance of this material, this paper adopted a two - step solid - state reaction to improve lifepo4 ` s behavior mainly using carbon coated or doped and mg2 + doped method

    本文從降低材料生產成本的同時提高材料的大電流放電性能出發，採用球磨高溫固相法主要針對碳摻雜/包覆和金屬離子摻雜對磷酸亞鐵鋰進行改性。
  4. This paper deals with seismic analysis of an immersed tunnel using the travelling wave method the objective of the analysis is to obtain the maximum stresses in the tunnel body and the relative displacements at the joints for design purpose in analysis ， the axial and transverse input waves are treated as two independent waves with different amplitudes and periods the method has been found to have the advantages of simplicity and clearness in physical concepts however ， reasonableness of the prediction by the method depends largely on the input data ， such as the wave amplitude ， the wave length ， the propergation speed of the travelling wave as well as the reaction coefficient of the ground thus ， determination of the input data is discussed in detail finally ， the method is applied to analysis of huangsha - fangcun immersed tunnel across the pearl river in guangzhou

    將行波法應用到剛度較大、分段較多的水下沉管隧道的地震分析中，提出把軸向、橫向兩個輸入波處理為兩個獨立的行波的方法行波法是否符合實際，與輸入地震波的有關參數及地基系數選取有很大關系，作者對此進行了比較深入的討論，使輸入參數的選取簡單、明確，便於對計算結果進行分析與判斷最後應用此法對珠江水下隧道的工程實例進行了計算
  5. Recently, the research in this area has been focus on the modification and functionalization of the polyimide structures. in this paper, firstly, two series of polyisoimides ( piis ), odpa - bapp ( piil ) and 6fda - ba pp ( pii2 ) were prepared respectively. the isoimidization process was monitored by the ft - ir method and the reaction conditions were confirmed

    為此，本論文設計併合成了兩種聚異酰亞胺（ pii ） ，即odpa - bapp （ pii1 ）和6fda - bapp （ pii2 ） ，並對異酰亞胺化過程進行了紅外跟蹤，確定了異酰亞胺化的最佳條件。
  6. Imev and the data in which the energy respectively is 166mev 139mev, 104mev, 90mev. on the basis of two wave functions and two optical potentials above mentioned, we have investigated a serie s of knockout reactions : through the comparing of two wave functions and two optical potentials, we find that two a cluster relative vave functions which contribute to the energy sharing results of the reaction sections are very well, especially for the ; that the received spectroscopic factors used vfm ( r ) are better than that used ; that the former not only suits to the elastic scatterings but also to the knockout reactions ; that the a cluster of knockout reactions are its local behaviors of surface. and we further testify that the distorted influences are not neglected if the incidence energies are not very high, but can be used the plane wave impulse approximate method and neglect the effects of the distorted influences if the incident energies are high enough

    在利用上述的兩種束縛態波函數和兩種光學勢的基礎上，我們研究了一系列的敲出反應：通過對比兩種束縛態波函數和光學勢，我們得到的結論是：兩種束縛態波函數和光學勢對反應截面的能量分配譜的貢獻都比較好，但尤以波函數_ （ li ） （ r ）為佳；光學勢v _ （ clu ） + （ r ）得到的光譜因子比用woods - saxon勢v _ （ ws ） （ r ）的結果要好，它不僅能適用於彈性散射，且對敲出反應也能得出比較好的結果；集團的敲出反應是集團表面局域性的表現：在中低能的入射條件下，扭曲效應不能忽略，但入射能量較高時，扭曲效應影響較小，可以用平面波沖量近似的方法。
  7. The fitness of four negative electrode materials such as al, fe, zn, cd, and of six membranes materials : microfiber glass mat separator, polyethylene, polypropylene, polyvinyl chloride, vinylon, soapnated cellulose acetate, and of four current collects : carbon fiber ; nickel foam ; nickel foam sthongthened by iron wire net, punched silver grid in the super - iron alkaline batteries was comparatively studied. the influence of two storaged method ( with and without electrolyte ) and two impurities ( zno, fe ( oh ) 3 ) to the experiment cell ' s self - discharge nature was also comparatively studied. at last, the nature of discharge. structure and electrochemistry of experimental cell with k2feo4 as cathode active material prepared by three different methods : high temperature reaction, hypochlorite oxidizing and electrolysis, was comparative ly studied. we can conclude : i ) the open - circuit potential and the flat of work potential and the percent of capacity of k2feo4 till 1. 0v during the discharge at constant load of experimental cells decreased by the order of al / k2feo4, zn / k2feo4, cd / k2feo4, fe / k2feo4. as for the nature of charge - discharge cycle, cd / k2feo4 fe / k2feo4 zn / k2feo4. in water solute electrolyte, although al / k2feo4 can n ' t be used as storage battery, it have great potential as primary cell or storage cell from the aspect of its discharge capacity. discharge power

    採用組裝實驗電池、 x -射線衍射（ xrd ）和循環伏安（ cv ）的方法，從實驗電池的放電特性、充放電循環特性、自放電特性，不同高鐵酸鹽的結構特性和電化學特性幾個方面，對4種金屬負極材料（ al 、 fe 、 zn 、 cd ） 、 6種隔膜材料（復合玻璃纖維、幅射接枝聚乙烯、改性聚丙烯、聚氯乙烯、維尼綸無紡布、皂化再生纖維素） 、 4種集流體材料（泡沫鎳、以鐵網為加強層的泡沫鎳、切拉銀網、炭纖維編織網）在堿性高鐵電池中的適用性進行了比較研究；對2種雜質組分（ zno 、 fe （ oh ） _ 3 ）和2類不同貯存方式（干、濕）對實驗電池自放電特性的影響進行了比較研究；對3種方法（高溫固相反應、次氯酸鹽氧化、直流電解）所制k _ 2feo _ 4的實驗電池的放電特性、結構特性和電化學性能進行了比較研究。
  8. This text has studied two subsidence - separation means, which are flocculant and control reaction temperature method to remove the chlorine in magnesium hydroxide produced by the method of bischfite - sodium hydroxide

    摘要研究了絮凝劑法及控制反應溫度法兩種沉降分離方法除去水氯鎂石氫氧化鈉法制備氫氧化鎂中的氯。
  9. In this article, constituting some the equations which reflect the flow law and building and applying many mathematical models of physical and chemical reactions in the the plasma ignition : applying k - two equations turbulence model to calculate the turbulence parameter supplying simplied reaction systerm model and applying eddy break - up model and p - i thermal radiation model. with these reasonable simplied modles, numerically simulating the flow field in the plasma ignition. during the numerical simulation, applying the body - fitted coordinates for the complex geometry of the computional field ; using the mixing format to disperse the equations ; applying simplec algorithm method to solve the equations ; using above models and methods, it can get flow field distribution ; including temperature, pressure, turbulent kinetic energy and its dissipation rate, turbulent viscosity, velocity, density. these results are significant to design and improve the plasma ignition

    本文旨在通過構造反映等離子點火器內部流動規律的基本方程組，建立描述等離子點火器內部的復雜物理化學過程機制數學模型：模擬等離子發生器內部燃燒的-雙方程湍流流動模型；模擬氣體燃料在燃燒時中化學反應的簡單化學反應系統模型；模擬等離子點火器內部湍流預混燃燒的漩渦破碎模型；模擬等離子點火器高溫燃氣及其壁面的p - i輻射換熱的模型等等，對模型進行一定的合理的簡化，然後數值模擬等離子點火器內部流場的流動。
  10. This paper has reviewed the resources of ceo2 in our country, the markets and the condition of application. the advantages and drawbacks of the important preparation methods were reviewed. it puts emphasis on the reaction mechanism of precipitation method to nanoparticals and analyzes redox potential between ce3 + and ce4 +, puts forward a new technics named " a two - stage precipitation process " to succeed in obtaining nanocrystalline powers of cerium oxide

    本文簡要介紹了我國ceo _ 2的資源和市場以及國內外納米ceo _ 2的應用現狀：分析對比了納米ceo _ 2制備研究現狀；重點討論了沉澱法制備納米粉體的理論基礎：結合鈰（ ）離子、鈰（ ）離子的氧化?還原電位分析，提出以兩步沉澱法來制備納米二氧化鈰。
  11. Part : study on the intercalated copolymerization and properties of exfoliated polyacrylic acid / acryl amide / montmorillonite ( paa / am / mmt ) hybrid using cation exchange resin as cation source, the montmorillonite convert to sodium form by means of the cation exchange reaction of the montmorillonite and cation resin. the two - step intercalation method by using two different organic salts was sued in the modification of montmorillonie. its effect was much better in preparing polyacrylic acid / acrylamide / montmorillonite ( paa / am / mmt )

    第三章插層共聚制備剝離型聚丙烯酸/丙烯酰胺/膨潤土納米雜化材料及其熱性能研究利用732陽離子交換樹脂對膨潤土進行鈉化，二次插層對鈉化膨潤土進行處理，溶液共聚法制備了剝離型聚丙烯酸/丙烯酰胺/膨潤土（ paa / am / mmt ）納米雜化材料。
  12. The two - dimensional body - fitted grid was created by method of partial differential equation and zonal method. the k - equation subgrid - scale model was used to simulate the turbulent viscosity, the chemical reaction rate was determined by the subgrid ebu combustion model and the heat flux model was employed for the heat flux

    運用偏微分方程和區域法生成二維貼體網格，湍流模型採用k方程亞網格尺度模型，燃燒模型採用亞網格ebu燃燒模型，採用熱通量輻射模型估算輻射通量。
  13. Used long pcr primers as sequencing primer, the two sides of sequence of the long pcr product were separately sequenced one reaction by the direct sequencing method of pcr products, and the sequencing sequence were carried on constrasted analysis with sequence of 168 strain in genebank

    一2片段克隆質粒為模板，採用skippcr方法，得到了約4 . 3kb產物，以ta克隆方式，插入pgem一t載體中。將經鑒定的陽性克隆質粒進行測序，結果表明: biob與biol基因間的5lbp的終止子序列已被刪除。
  14. The main work includes four contents as follow : 1 ) the electrodes annealed in various temperatures were studied. with x - ray diffraction spectroscopy ( xrd ) and sims, the interfacial reaction is analyzed and a new two - step annealing method is suggested

    研究了al單層電極及ti al雙層電極與藍寶石基gan在不同退火條件下的歐姆接觸情況，並用x射線衍射譜（ xrd ） ，二次離子質譜（ sims ）對界面固相反應進行了分析。
  15. In this study, the whole e2 genes of two strains of classical swine fever virus ( csfv ) isolated from guangxi ( gx ) were amplified by reverse transcriptase polymerse chain reaction ( rt - pcr ) method and seqenced. the e2 gene fragments of csfv were 1090 base pair in length and encoded 364 amino acid residues

    研究採用反轉錄?聚合酶鏈式反應（ rt ? pcr ）技術對兩株分別從柳州（ gxlz ）和南寧（ gxnn ）分離的廣西流行豬瘟病毒（ classicalswinefevervirus ， csfv ）進行e _ 2全基因的擴增、克隆和測序。擴增片段長度為1090bp ，編碼364個氨基酸殘基。
  16. An implicit lu - sgs ( lower - symmetric gauss - seidel ) finite - volume method is used for solving the full, compressible, two - dimensional navier - stokes and species transport equations. for turbulence closure a two equation ( k - e ) model is used. the combustion process in chemical nonequilibrium is modeled by a 7 - species, 8 - reaction steps finite - rate chemistry and is implicitly coupled with the fluid motion

    採用lu - sgs有限體積法求解了包括兩方程（ - ）湍流模型和7組元8方程有限速率化學反應模型的緊耦合二維n - s方程，數值模擬了氫燃料在燃燒室內的化學非平衡燃燒過程。
  17. Various distribution models of the coefficient of subgrade reaction can be considered after the two - parameter method is employed. the commonly used " k " method, " m " method, and " c " method can easily be obtained from it. thus, the solutions of the internal force along the studied stabilizing piles have more ordinary representation by the two - parameter method

    2 、引入雙參數法后，能夠考慮土抗力的多種分佈模式，常用的m法、 k法、 c法均被涵蓋在其中，從而在計算樁的嵌固段內力分佈時得到的計算表達式更具有代表性。
  18. The analytical and numerical solutions of the established mathematical model have been achieved. in the whole paper, two - parameter method is employed to calculate the coefficient of subgrade reaction or subgrade modulus

    本文將雙參數法引入到土抗力模數或地基系數的計算中，並貫穿到整個結構計算中。
  19. The purpose of studying the structure - activity relationship ( sar ) of vitamin e is to study the difference of the molecular geometry, which has different effect on the reaction activity of the molecule and produce different biological activity. semi - empirical ami and pm3 method and ab initio 3 - 21g methods are applied to optimize the four different geometries of tocopherol in the present work. using the two methods we have obtained some parameters about the biological activity

    計算步驟是，先使用hyperchem6構造出各種化合物，用hyperchem自帶的分子力學mm +和polak - ribiere優化方法在目標分子的構象空間中尋找能量相對較低的構象，然後用am1半經驗方法進一步優化其構型，得到一系列能量值，然後利用hyperchem6 . 0其中集成的qsar模塊，計算化合物的qsar參數，其中包括：疏水性參數（ logp ） 、分子表面積、總體積、折射率、極化率等參數。
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