按化學計量 的英文怎麼說

中文拼音 [ànhuàxuéjìliáng]
按化學計量 英文
stoichiometric air addition
  • 按 : Ⅰ動詞1 （用手或手指壓） press; push down 2 （壓住; 擱下） leave aside; shelve 3 （抑制） restrain...
  • 學 : Ⅰ動詞1 （學習） study; learn 2 （模仿） imitate; mimic Ⅱ名詞1 （學問） learning; knowledge 2 （學...
  • 計 : Ⅰ動詞1 （計算） count; compute; calculate; number 2 （設想; 打算） plan; plot Ⅱ名詞1 （測量或計算...
  • 量 : 量動1. （度量） measure 2. （估量） estimate; size up
  • 計量 : calculate; estimate; meterage; metering; batching; measure
  1. Thirdly, the contents should be organized. arrang the inorganic chemistry experiments, organic chemistry experiments and analytic chemistry experiments in a whole, and in order to make the experimental teaching more systematically, they should be separately organized as these parts : basic knowledge of chemistry experiment, basic operation experiment, experiment of chemical quality, qualitative experiment, quantitative experiment synthesis, extration and experiment design

    三是內容的組織，將無機化學實驗、有機化學實驗和分析化學實驗整體編排，按化學實驗基本知識、基本操作實驗、化學性質實驗、定性實驗、定量實驗、制備和提取及設計實驗等分塊組織，以利於更系統地進行實驗教學。
  2. Considering the special structure of multi - ribbed slab, founding diphase body mechanical model of compound material, strengthening rib beam and rib pillar by equivalent volume ratio of concrete and slice brick, the paper drew elastic compution constant and shear constant. based on the things, the paper simplified isotropy compution model to wall, gave practical design formula of elastic mold and shear mold, provided necessary parameter for practical design formula of elastic rigidity. finally the calculating results agree well with the text results

    結合密肋復合墻板的特殊構造，建立墻板的復合材料二相體力學模型，按照混凝土與砌塊體積比不變原則對肋梁肋柱同時加強，得出墻板的彈性計算常數及剪切常數，在此基礎上，進一步將墻板簡化為各向同性的計算模型，給出墻板彈性模量及剪切模量實用計算公式，為密肋復合墻板的實用彈性剛度計算公式提供必要的參數。
  3. We obtained the full length gene of hbfgf coding sequence with pcr, and adjusted the g + c content according the software dnasisv2. 5, and replaced the cys78 and cys96 with serines by site - directed mutagenesis. 2. sequence result suggested one of the recombinant is correctly synthezied and cloned

    用pcr方法合成了hbfgf編碼區全長，其中前20個氨基酸的g + c含量按暨南大學碩士學位論文：大腸桿菌表達重組hbfgf結構和功能優化摘要照計算機軟體計算的結果進行了調整，第78和96位上的半瞇氨酸被突變為絲氨酸。
  4. The stability of electric power system has been being focused for a long time toprevent a power system from losing synchronism after sudden fault ， researchers have done much work and got many accomplishments this paper applied the direct feedback linearization ( dfl ) technique on the power system ， a strong nonlinear system simulation results by matlab proved this method efficiency main works and results are as follows ： this paper compared some existing methods in excitation control ， fast valve control and coordinated control respectively, analyzed the developments and actuality of nonlinear control research in brief, illustrated why ransient stability could be greatly improved by using the fast valve control in chapter 3 ， indicated the importance of coordinated control farther this paper introduced the inverse system theory, based on which ， discussed the dfl theory, pointed out which had consistency with the inverse theory, expanded the dfl theory combined the idiographic model equations ， made which adapt to the model of a single machine - infinite bus power system this paper referenced abundance articles and educed a set of equations ， which could describe the dynamical process of excitation and fast valve control for synchronous generators in the equations ， there were several very important parameters of power system - - rotor angle ( ) ， rotor speed ( ) ， generator q axis voltage ( eq ) ， transient voltage ( e ' q ) ， active power ( pe ) ， mechanical input power ( pm ) ， valve opening ( ) ， generator terminal voltage ( vt ) ， based on the model ， nonlinear coordinated controller and terminal voltage optimal controller have been designed by using the expanded dfl theory and lq optimal control theory the simulation results showed that the controller could keep power system transiently stable under the effects of a symmetrical 3 - phase short circuit fault ， which achieved better postfault regulation compared with another two routine methods ， one is the proportion excitation controller and proportion fast valve controller, the other is the proportion excitation controller and the optimal fast valve controller, which could exert good performance when met 1ittle disturbance either

    在介紹逆系統理論的基礎上，詳細介紹了dfl理論，通過比較闡明了dfl理論其本質是逆系統方法的一類，並結合具體課題推導出的模型方程將dfl理論進行了擴展，使之適應于電力系統這個強非線性對象。通過參考大量的書籍文獻推導出一套實用的可將大型汽輪發電機勵磁與汽門綜合起來進行控制的模型方程，此模型方程涵蓋了電力系統中特別引人注目的幾個量- -轉子角、轉子轉速、發電機q軸電勢eq 、暫態電勢e ' q 、有功功率pe 、機械功率pm 、汽門開度、機端電壓vt ，在此基礎上建立了實用的電力系統簡化的數學模型，並將擴展的dfl理論應用於此模型系統，結合線性二次型最優控制理論設計出大型汽輪發電機的非線性綜合控制器及機端電壓最優控制器，通過模擬實驗與採用常規的按電壓偏差進行調節的比例式勵磁控制器+汽門比例控制及採用常規的按電壓偏差進行調節的比例式勵磁調節器和基於二次型性能指標設計的最優快控汽門（考慮發電機的飽和因素）進行了對比，證實了採用此種控制器可以有效地提高電力系統的暫態穩定性，並且在電力系統遭受小干擾時同樣具有良好的調節性能。
  5. An attempt has been made by the author to quantify the effect of the covalent bonding on the metallic bonding of most metals by assigning covalent - metallitivities ( c - m ) values to some of the solid elements based on their melting temperatures in as compared to carbon ( diamond ), with a melting temperature of 3500, which is assumed to be 100 % covalently bonded and have a covalent - metallitivity of 4. 0

    作者試圖根據某些固體物質的按攝氏度計算的熔點與碳（金剛石）的比較，指定其共價金屬活性（ c - m ）的值，來量化在大多數金屬上的金屬性化學鍵的共價鍵作用， （比如） ， 3500攝氏度的熔點被認為是100的共價化合，且其金屬活性為4 . 0 。
  6. During the recent years, the environments both inside and outside the group have been changing greatly, in order to adapt itself to the sharp market competition, especially to meet the higher requirements on the electrical machinery enterprises of our country by wto, to enhance the core competitive power, the group " s development strategy is optimized and adapted on the basis of scientific research and analysis. first, according to the historical mission of the company, the author reshapes the management concept. second, the strategic goals are set on the basis of scientific analysis of the inside and outside environments

    為了更好地適應未來激烈的市場競爭，尤其是中國加入wto后對我國電機企業提出的更高的要求，全面提升企業的核心競爭力，本論文經過科學的調研與分析，優化和調整了集團發展戰略：首先，根據企業的歷史使命與定位，重塑了其經營理念；其次，通過分析企業內、外環境條件的變化，確立了集團戰略目標；再次，按照我國電機行業的市場競爭特點，設計了企業人才、產品、技術創新、營銷、質量與組織創新以及多樣化經營等若干競爭戰略；最後，提出了集團戰略的實施與控制辦法。
  7. At some situation, some nodes pressure and supply of all water - supply sources are measured in xi ' ning ( resistance parameter of all pipes are known ). by using the pressure of the experiment and optimal measure points, the state simulation is done respectively to get all nodes " pressure. the comparison of the estimation results express that the optimal measure points is more representative than experiment one

    利用簡約梯度優化法求解給水管網狀態估計的最小二乘數學模型，實測某一工況下西寧市配水管網部分節點水壓h _ 0 、各水源供水量（管段摩阻已知）分別用優化選擇的測壓點水壓和按經驗選擇的測壓點水壓估計所有節點的水壓，對西寧市配水管網進行了狀態估計。
  8. The concrete used in testing bridge is monitored and some performance at definite age including compressive strength, splitting fensile strength, frost resistance, scaling frost resistance, chloride ion diffusion coefficient ( dcl - ), resistance of carbonization and pore structure by mercury porosimetry are tested. these performances are compared with that of concrete which designed by traditional method. the results show that mechanical properties of concrete designed by high durability concrete proportion and traditional method meet require ment at any age, however, frost resistance, scaling frost resistance, chloride ion diffusion coefficient ( dcl - ), resistance of carbonization and pore structure of the former are better than the latter, so high durability concrete is economic benefit

    對試驗橋用混凝土的質量進行監控，並成型試件測量所需齡期內的抗壓強度、劈裂強度與抗凍融、抗鹽凍、氯離子擴散系數（ dcl - ） 、抗碳化等耐久性能指標及孔結構，並與傳統混凝土進行對比研究，結果表明:高耐久性混凝土及按傳統配合比設計的混凝土的力學性能均能滿足相應齡期的要求，但前者的抗凍融性能、抗鹽凍性能、抗碳化性能、 dcl -和孔結構明顯優於後者，並具有明顯的社會經濟效益。
  9. This text describes the project basic principle and system structure and capabilities of production equipment for mechanism and electric, according as require of blast furnace automation, analyzes the chemical reactions in blast furnace by principle, according as mass and energy balance principle build on process models and technology calculate, according as process optimization principle build on process system optimization models, and technology calculate, as one time, expert system command any model. the expert system contains a knowledge base, which already represents the concentrated know - how of blast furnace operation, gathered from many installations world - wide

    本文在介紹了項目的基本原理和系統構成以及相關的生產工藝的基礎上，根據高爐過程優化的要求，從機理上分析了高爐冶煉過程的化學反應，並依據質量能量平衡原理建立了工藝模型和技術計算，按照優化原理建立了過程系統優化模型，並在專家系統的調度下協調工作。系統還包括知識庫，它總結了普通高爐操作的理論知識和控制理念，同時，結合釩鈦磁鐵礦的冶煉知識，形成具有攀鋼冶煉特點的知識庫。
  10. This paper studies the corner layer behavior in quasi linear systems with turning points. under the appropriate conditions and by usin g the theory of differential inequality, the existence of the solution and its c omponentwise uniformly valid asymptotic estimation are obtained when the reduced solution does not have a continuous first - derivative in some point of ( 0, 1 )

    奇攝動轉向點問題是來自量子力學及其他物理力學中的重要問題，特別對非線性系統的轉向點問題，已有的結果甚少，文章研究一類具有轉向點的擬線性系統的角層現象，在適當的假設條件下，利用微分不等式方法證明了當其退化解在（ 0 ， 1 ）內某些點上一階導數不連續時解的存在性，並得到了解的按分量的一致有效的漸近估計。
  11. Abstract : a new method, collaborative allocation ( ca ), is proposed to solve the large - scale optimum allocation problem in aircraft conceptual design. according to the characteristics of optimum allocation in aircraft conceptual design. the principle and mathematical model of ca are established. the optimum allocation problem is decomposed into one main optimization problem and several sub - optimization problems. a group of design requirements for subsystems are provided by the main system respectively, and the subsystems execute their own optimizations or further provide the detailed design requirements to the bottom components of aircraft, such as spars, ribs and skins, etc. the subsystems minimize the discrepancy between their own local variables and the corresponding allocated values, and then return the optimization results to main optimization. the main optimization is performed to reallocate the design requirements for improving the integration performance and progressing toward the compatibilities among subsystems. ca provides the general optimum allocation architecture and is easy to be carried out. furthermore, the concurrent computation can also be realized. two examples of optimum reliability allocation are used to describe the implementation procedure of ca for two - level allocation and three - level allocation respectively, and to validate preliminarily its correctness and effectiveness. it is shown that the developed method can be successfully used in optimum allocation of design requirements. then taking weight requirement allocation as example, the mathematical model and solution procedure for collaborative allocation of design requirements in aircraft conceptual design are briefly depicted

    文摘:探討了一種新的設計指標最優分配方法- -協同分配法，用於處理飛機頂層設計中的大規模設計指標最優分配問題.分析了飛機頂層設計中的設計指標最優分配特徵，據此給出了協同法的原理並建立了數學模型.協同法按設計指標分配關系將最優分配問題分解為主系統優化和子系統優化，主優化對子系統設計指標進行最優分配，子優化以最小化分配設計指標值與期望設計指標值之間的差異為目標，進行子系統最優設計，或對底層元件（如飛機翼梁、翼肋和翼盒等）進行設計指標最優分配，並把最優解信息反饋給主優化.主優化通過子優化最優解信息構成的一致性約束協調分配量，提高系統整體性能，並重新給出分配方案.主系統與子系統反復協調，直到得到設計指標最優分配方案.兩層可靠度指標分配算例初步驗證了本文方法的正確性與可行性，三層可靠度指標分配算例證明了本文方法的有效性.最後，以重量指標分配為例，簡要敘述了針對飛機頂層設計中設計指標協同分配的數學模型和求解思路
  12. A new method, collaborative allocation ( ca ), is proposed to solve the large - scale optimum allocation problem in aircraft conceptual design. according to the characteristics of optimum allocation in aircraft conceptual design. the principle and mathematical model of ca are established. the optimum allocation problem is decomposed into one main optimization problem and several sub - optimization problems. a group of design requirements for subsystems are provided by the main system respectively, and the subsystems execute their own optimizations or further provide the detailed design requirements to the bottom components of aircraft, such as spars, ribs and skins, etc. the subsystems minimize the discrepancy between their own local variables and the corresponding allocated values, and then return the optimization results to main optimization. the main optimization is performed to reallocate the design requirements for improving the integration performance and progressing toward the compatibilities among subsystems. ca provides the general optimum allocation architecture and is easy to be carried out. furthermore, the concurrent computation can also be realized. two examples of optimum reliability allocation are used to describe the implementation procedure of ca for two - level allocation and three - level allocation respectively, and to validate preliminarily its correctness and effectiveness. it is shown that the developed method can be successfully used in optimum allocation of design requirements. then taking weight requirement allocation as example, the mathematical model and solution procedure for collaborative allocation of design requirements in aircraft conceptual design are briefly depicted

    探討了一種新的設計指標最優分配方法- -協同分配法，用於處理飛機頂層設計中的大規模設計指標最優分配問題.分析了飛機頂層設計中的設計指標最優分配特徵，據此給出了協同法的原理並建立了數學模型.協同法按設計指標分配關系將最優分配問題分解為主系統優化和子系統優化，主優化對子系統設計指標進行最優分配，子優化以最小化分配設計指標值與期望設計指標值之間的差異為目標，進行子系統最優設計，或對底層元件（如飛機翼梁、翼肋和翼盒等）進行設計指標最優分配，並把最優解信息反饋給主優化.主優化通過子優化最優解信息構成的一致性約束協調分配量，提高系統整體性能，並重新給出分配方案.主系統與子系統反復協調，直到得到設計指標最優分配方案.兩層可靠度指標分配算例初步驗證了本文方法的正確性與可行性，三層可靠度指標分配算例證明了本文方法的有效性.最後，以重量指標分配為例，簡要敘述了針對飛機頂層設計中設計指標協同分配的數學模型和求解思路
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