推進因子 的英文怎麼說

中文拼音 [tuījìnyīnzi]
推進因子 英文
propulsion factor
  • : 動詞1 (向外用力使物體移動) push; shove 2 (磨或碾) turn a mill or grindstone; grind 3 (剪或削...
  • : 進構詞成分。
  • : Ⅰ動詞[書面語] (沿襲) follow; carry on Ⅱ介詞1 [書面語] (憑借; 根據) on the basis of; in accord...
  • : 子Ⅰ名詞1 (兒子) son 2 (人的通稱) person 3 (古代特指有學問的男人) ancient title of respect f...
  • 推進 : 1 (推動工作 使前進) push on; carry forward; advance; give impetus to 2 [軍事] move forward; dri...
  1. After entry of wto, there are still many maladjustments in guangxi ' s seed industry, such as the weak foundation of sees industry development ; the unformed market of the seed industry for fair competition ; small - scale seed enterprises ; no systematic connection among the cultivation, breeding and marketing ; lower qualification of staff who work in the seed industry and with weak sense of laws, and lack of the knowledge in operating experiences in the international market and trade etc. yet the un - efficiency system, unclear property right in enterprises, the lack of an effective mechanism to promote the rational use of resources in the seed industry and the lack of such concept as " the government creates environment and enterprises create fortune " are the deep - seated causes of the problems in guangxi ' s seed industry. therefore, the key points for promoting development of guangxi ' s seed industry under the wto framework are to focus on the promotion of the developing capability of seeds " integrated products, constantly deepen reforms, to adjust various relevant factors in the system of the seed industry which is inconsistent with each other, and to establish a new - pattern system with evident characteristics of the time spirit in order to meet the requirements of the market economy. hereinto, the specific strategies and measures for promotion of guangxi ' s seed industry development under the wto framework include kee ping up reform and innovation of the system of the seed industry, executing of non - nationalization reform in state - owned seed enterprises, formulating and executing relevant supporting policies, the improving the legal system in the seed industry, increasing public financial support on the seed industry, promoting the integration of cultivation, breeding and marketing, strengthening human resource development, developing the main body of the seed industry ' s market and making proper conditions for the functions of seed associations in the seed industry development etc

    研究結果認為:發展種產業應該把著眼點放在促整體產品的開發上;種產業的發展依賴于能充分發揮整體功能的新型種業體系的構建,而目前廣西種業體系中的品種選育、種生產加工、種經營以及政府管理、公共支持和社會服務六個主要組成部分都存在明顯的缺陷與不足;廣西種企業綜合競爭力總體處于較弱水平;面對wto ,廣西種產業仍有諸多的不適應,突出表現在產業發展基礎薄弱、尚未形成可以公平競爭的種業市場、種企業規模小、育繁銷脫節、種業人才素質不高、種企業法律意識淡薄、國際市場運作經驗和國際貿易知識不足等多個方面,而體制不順、企業產權不明晰、缺乏促種業資源合理流動的有效機制以及「政府創造環境,企業創造財富」的正確理念正是導致目前廣西種產業不能適應入世需要的深層次原此,以提升種整體產品開發能力為核心,不斷深化改革,調整種業體系中不相協調的各有關素,構建起符合市場經濟體制要求的具有鮮明時代特徵的新型種業體系,是wto框架下加快廣西種產業發展必須堅持的指導思想;其中,加快種業體制改革和創新、實施對國有種企業的非國有化改造、制訂落實有關扶持政策、完善種法律法規體系、加大公共財政對種產業的支持力度、育繁銷一體化的形成、加強人才培養與引、壯大種業市場主體、實行重點突破戰略、發揮種行業協會作用等等,都是wto框架下加快廣西種產業發展應該採取的具體對策措施。
  2. According to the geometry of slope measurements for the subjective wavefront optometer, a wavefont reconstruction model using zernike polynomial with normalization factor is put forward. based on householder transformation and gram - schmidt orthogonalization method, two methods for working out unknown zernike coefficients are bring forward. the error propagation parameter for the wavefront reconstruction model is deduced

    深入研究了帶標準化的zernike多項式的性質;針對主觀式像差儀波前斜率采樣方案,提出了採用帶標準化的zernike多項式對眼測試波前行重建的數學模型;提出了兩種求解方法,即基於householder變換求解法和基於gram - schmidt正交化求解法,用於確定重建模型中的未知模式系數;導出了該波前重建模型對斜率測量誤差的傳遞系數。
  3. The existed material fatigue performance test curves are dealt with and analyzed, and the non - dimensional stress - strain curve, tangent modulus factor curve and fatigue life curve are drawn based on the experiment data, and these three non - dimensional parameter curves are used to find the inherent rules that the test curves can be replaced each other to some extent. it can be concluded that if the common character and system error of these materials are found, the test curve of a certain material can be used for reference by another material. this is a simple approach about fatigue life estimate and is engineering practical

    對已有的材料力學疲勞性能試驗曲線行分析整理,利用試驗數據繪制了相對應力應變曲線、切線模量曲線和疲勞壽命曲線,利用這三種無量綱參數曲線發現了其中存在的規律性,即在某種程度上實驗曲線可以互相取代,並用試驗數據對此行了討論,並由此斷,如果找出材料彼此的共性或彼此之間的系統誤差就可以將一種材料的試驗曲線供其它材料參考使用,這是一種估算材料的疲勞壽命的簡便方法,對工程而言具有實用性。
  4. The content of this paper is arranged as foll owing : chapter 1 introduces the concept of credit, credit risk and credit assessment, as well as the history and development of credit assessment ; chapter 2 introduces the history of ai technology, and the background of expert system and neural network. characters and disadvantages of expert system and neural network are presented respectively and the necessity of combining expert system and neural network is lightened ; chapter 3 shows the process of dealing with sample data, including the treatment of exceptional data and factor analysis, and puts forward the concrete framework of the mixed - expert credit assessment system ; chapter 4 introduces concept of object - oriented technology, and constructs object model and functional model after analyzing the whole system. it also illustrates the implementation of concrete classes by an example of rule class and the inference algorithm in the form of pseudocode ; chapter 5 introduces the structure of the whole system, the major functional models and their interfaces, and the characteristic of the system is also generalized ; chapter 6 summarizes the whole work, and points out the remaining deficiencies as well as the prospective of this method

    本文具體內容安排如下:第一章介紹了信用、信用風險、信用評價的概念,回顧了信用評價的歷史、發展和現狀,並綜合各種信用評價模型,指出這些模型各自的優缺點:第二章簡單描述了人工智慧技術,著重介紹有關專家系統與神經網路的基礎知識,通過總結它們的優缺點,指出結合專家系統與神經網路構造混合型專家系統的必要性;本章還介紹了神經網路模塊的概念,提出了混合型專家系統的一般框架與設計步驟:第三章對樣本數據行處理,包括異常數據的剔除、分析等,提出了信用評價混合型專家系統的具體框架結構,介紹了系統知識庫的主要部分、基於優先級的正向理機制的流程、以及基於事實的自動解釋機制的具體實現方法;第四章介紹了面向對象技術,而採用面向對象對信用評價系統行分析,建立了對象模型和功能模型,並在此基礎上,採用c + +語言以規則類為例說明系統中具體類的實現,用偽代碼的形式描述了理的演算法;第五章描述了整個系統的結構,對系統主要功能模塊和界面行了介紹,並總結系統的特點;第六章總結了全文,指出本文所構造系統存在的不足以及對將來的展望。
  5. We firstly summarize the development of yb - doped fiber lasers, pumping methods and the applications of high - power fiber lasers. 2. considering the scattering loss, we deduce the relationships between laser performances of yb - doped double - clad fiber laser and parameters of laser cavity from the steady state rate equations, numerically analysis the changes of laser performances, such as laser power with the parameters of laser cavity, including output mirror reflectivity, optimum length of double clad fiber

    研究主要內容包括如下幾個方面:一、首先對摻鐿光纖及摻鐿光纖激光器的發展狀況、包層泵浦技術和高功率光纖激光器的應用等行了綜述;二、在前人對高功率雙包層光纖激光器的理論基礎上,在考慮了光纖散射損耗的情況對光纖激光器理論行了導,給出了準解析解,一步完善了理論分析。
  6. In this paper, we deduce the decoherent factor in theory, and then we control decoherence by varying coupling coefficient

    本論文從理論上導了退相干,隨后,通過改變耦合系數,對退相干行控制。
  7. The performance of vibration and movement of seedlings is validated in the whole vibration plate simulation. an orthogonal experiment is designed for analyzing the effect that the four parameters ( f, co, a, k ) act on horizontal and vertical velocity of seedlings

    首先驗證虛擬模型的振動性能與物理原型基本相符,一步採用正交試驗,考察四個(激振頻率山、激振力幅值f 、彈簧剛度k及彈簧傾角)對缽苗送速度的影響。
  8. The multi - issues set is a container of some issues that relates to the negotiated proposition. the reasoning frame works out the proposal to the opposing party in terms of the integration multi - tactic, and this integration tactic comprehensively considers time, resource and opponent - tactic. we give a method of calculating the manhattan distance between the utility of two multi - issues vectors with the integrated - utility evaluation

    :據自身和對手的各種信知,交替提議的理機制,該理機制綜合考慮時間、資源、對方底價等多方面的,提高了協商交互中的效率;在協商決策機制方面,該框架採用比較多議題向量整合效用值之間曼哈頓距離的演算法來行效用評估,決策是否達成一致的協定。
  9. It introduces the method of self - adjustment, build the - of predictive fuzzy control. the controller mainly fulfils the following operations ; 1 burring the signal or the m oisture 2applying the blurred control theory and the last, the aim of controlling the moisture of the pulp is achieved through the output control signal of the monolithic microcomputer blurred control

    預測模糊控制的控制器主要功能如下:把水分含量信號模糊化;應用模糊控制理規則行分析;根據雙模糊控製表行模糊決策;並把模糊決策與預測控制結合起來對球磨機制備料漿水分含量實施控制。
  10. This paper mainly deals with the subjects below : the problem on fem analysis, general reliability analysis and calculation, and optimization based on the general reliability of the random or fuzzy parameters structure ; and also brings forward a method for getting the fuzzy answers from the fem equation by taking the fuzzy multiplier from a fuzzy variable ; in the fem analysis and structural reliability optimization, the randomcity and fuzziness of the structural physical parameters and the load applied on the structures are all considered

    文中對隨機和模糊參數結構在不確定性荷載作用下的結構有限元分析、可靠性分析和基於可靠性的優化設計等問題行了研究。以桿系結構為對象,提出結構分析的模糊方法,其中分別或同時考慮了結構材料的物理參數、構件的幾何尺寸和作用荷載幅值等的隨機性和模糊性;對結構響應(位移、應力)為模糊變量時的廣義可靠度行了導。
  11. Furthermore, utilizing the characteristic that filtering error covariance expresses filtering precision and the principle of information conservation, the dynamic and reasonable distribution of distributed tracks weight coefficient is accomplished. jerk model and strong tracking filter is organically assembled, and based on spatio - temporal synthetically analysis and lme, a self - learning estimation method of the system measurement variance is given. the method improves obviously the

    3 、將jerk模型與強跟蹤濾波演算法有機地結合,並利用時空綜合分析和極大似然估計的思想導出了一種系統量測方差自學習修正方法,以優化強跟蹤濾波演算法中次優漸消和濾波增益的在線選擇,同時根據多傳感器數據融合具有改善濾波精度的性質,而給出一種基於jerk模型的多傳感器數據融合演算法。
  12. This text completely and systematically studies the status and the development of the pyrolysis and the fluidization of biomass, which distill the bio - oil in the domestic and international area, as well as the existing problems. this thesis primarily include following aspects : ( l ), by experimenting and measuring the energy ( heat value ) and the content of c, h, n chemical element of right 20 kinds of common biomass, on the base of the experimental result, and respectively established the biomass energy predict experiment formula with the element of h and c is from change, and passed the ro. os examination, which provides the basis and convenience for flash pyrolysis fluidization device energy to convert the rate to compute with biomass energy utilization calculation ; ( 2 ), proceeded the tg and dtg experimentation equal velocity ( 10 ? / min, 20 ? / min, 40 ? / min, 60 ? / min ) heating and constant temperature heating by studying on eight kinds of biomass samples, according to the experimental data and arrhenius formula, we established the dynamics model of pyrolysis of, then, using the goast - redfern and p function, we also solved the dynamics parameters and analyze out every kind of biomass ' s frequency factor and parameters of activation energy, and established the every kind of dynamics model of pyrolysis of biomass, all of these provide the theories and basis to make sure the reactor ' s flash pyrolysis work temperature scope design and the describing of pyrolysis reactor dynamics ; ( 3 ), in order to study and ascertain the process of heat completely getting to pyrolysis time of varied size biomass particles, we observed and measured the ratio of length and diameter ( l / d ) with the varied biomass through electron microscope, we concluded the l / d ratios usually is from 5. 0 to 6. 0, the average is 5. 3 ; ( 4 ), we studied the process of biomass transiting and the theory of complete pyrolysis time with the theory of complicated heat field, we got the time ( t ) of the varied size biomass particles arriving to complete pyrolysis, and we knew that the complete pyrolysis time and the time which get to the biggest production ratio are identical, all of these studies provide the theory base for design and forecasting the flash pyrolysis reactor solid state resort time ; ( 5 ), according to the above experiment result, synthesize to make use of the engineering the mechanics, engineering the material, machine the design to learn the principle, deduce, establish the theory of rotation cone flash pyrolysis reactor material resort time ( t ) and reasonable rotation velocity ( or frequency ) relation theory ; and ( 6 ), we gave the reactor ' s smallest cone angle certain, reactor cone wall strength design theory, the reactor production ability theory, the power design method and the critical rotation velocity theory

    本文較全面、系統地綜述了國內外生物質熱解液化制取生物燃油技術研究發展現狀及存在的問題,主要研究內容有: ( 1 )實驗、測定了20種常見生物質的能量(發熱量)和c 、 h 、 n元素含量,根據實驗結果分別建立了以h和c為自變量的生物質能量預測經驗公式,並通過r _ ( 0 . 05 )檢驗;為閃速熱解液化裝置能量轉化率計算和生物質能量利用率計算提供了依據和方便; ( 2 )選擇了8種生物質試樣作了等加熱速率( 10 min 、 20 min 、 40 min 、 60 min )和恆溫加熱的tg和dtg實驗,根據實驗數據和阿倫尼烏斯公式建立了生物質熱解反應動力學微分方程,並採用goast - redfem積分法和p函數對其動力學參數行了求解,解析出各種生物質的頻率和活化能參數,而建立了各種生物質的熱解動力學模型,為科學確定反應器的閃速熱解工作溫度范圍及熱解反應動力學描述,提供了理論和依據; ( 3 )為研究和確定不同尺度的生物質顆粒中心達到全熱解的時間,在體視顯微鏡下對不同粒度的生物質顆粒的長徑比行了實驗觀察和測定,得出生物質的長徑比( l d )一般在5 . 0 6 . 0之間,平均為5 . 3的結果; ( 4 )採用復雜溫度場傳熱學理論對生物質傳熱過程及充分熱解時間理論行了研究,解析導出了不同尺寸生物質顆粒中心溫度達到充分熱解溫度的時間( t ) ,得出了理論導的充分熱解時間與最大產油率的熱解時間相一致的結果,為閃速熱解反應器固相滯留時間設計和預測提供了理論依據; ( 5 )根據上述實驗結果,綜合運用工程力學、工程材料、機械設計學原理,導、建立了轉錐式閃速熱解反應器物料滯留時間( )與轉速(或頻率)合理匹配理論; ( 6 )提出了轉錐式閃速熱解反應器的最小錐角設計、錐壁強度設計、生產能力設計理論和功率計算方法及臨界轉速理論等。
  13. The approaches establish a relationship between monthly precipitation abnormality and monthly circulation, soil moisture and temperature on the shallow and deep layers. the relationship is the precipitation diagnostic equation and its coefficients and dimensions are determined by using the observed data of huai river basin. then we select the main soil moisture and temperature attributing factors by the dimensional analysis to establish a forecasting equation of summer precipitation over huai river basin with the statistic approach

    通過將大氣中的熱量、水汽收支方程與一個簡化的兩層土壤溫度、濕度方程相結合,並依據月尺度大氣環流的演變特徵,導出月降水距平與500hp月平均高度距平場、土壤深淺兩層溫、濕度的關系;利用臺站觀測資料,使用統計反演方法確定方程中各項的系數和量級,從而找出影響降水的主要土壤溫、濕;利用統計方法建立這些與淮河流域夏季降水異常之間的簡單線性預報方程,並對1992 - 2000年淮河流域夏季降水趨勢行回報。
  14. Different parts in the same seamless system perform different tasks, and the use of oo method becomes the key point in the system integration of netfeaf. by making full use of some strategies like " from top to down ", " divide and conquer " and " step by step ", with the help of oo method, netfeaf creates a new method to build the whole integrated system : using one class hierarchy map to fully stand for the structure of netfeaf, and different parts in netfeaf like cluster class library, fea class library, web fea class library and gravity wharf cad class library can also be further explained by their sub class hierarchies, then the complexity of building netfeaf has been decreased step by step, the whole building procedure becomes much easier, so oo method can really change complexity into simplicity

    Netfeaf系統依據自頂向下、分而治之以及層層的實現原則,採用了全新的系統構造思路,對系統的集成用整體類庫組成圖行表述,對各組成部分通過類庫再一步詳細介紹,系統的整體實現被一層一層分解、細化,各組成部分基於統一的計算核心集成在同一個系統框架內,同時相互之間還保持一定的獨立性,獨成一體,正是為深入利用了面向對象的分析與實現手段,整個復雜系統構成從概念上更有利於理解,集成更加緊湊,具體模塊的實現也更加迅速高效,面向對象方法的變復雜為簡單的策略藝術在系統的具體實現過程中得到了充分展示。
  15. Firstly, she examines visitors ’ underlying motivation to the vernacular villages, xidi - hongcun, in southern anhui and identifies five push factor domains and four pull factor domains. additional analysis investigated differences in the push and pull factor domains for different socio - demographic subgroups. the study results hold useful implications for exploiting and protecting resources, and expanding market in vernacular villages in southern anhui

    第二章從素和引力素兩個不同領域,分析了皖南古村落的代表? ?西遞和宏村旅遊者的潛在旅遊動機,從眾多測量指標中整合出5個和4個引力,並一步檢驗了力和引力素在不同人口統計學特徵群體間存在的顯著差異,為古村落旅遊資源開發與保護、拓展旅遊市場提供理論依據。
  16. The solution formula of dwell time is deduced by using the pulse iteration method and the smoothing fourier transition method, and the formula can be simplified referring to workpiece shape. according to the anastomotic status of the tool and workpiece surface, we present the new model of the inherent relation among local pressure density, removal rate, convergence ratio and residual errors, and the corresponding formulas are given. the forming cause of the edge effect in the polishing process is analyzed, and the means which reduces the edge effect is put forward

    2 、針對計算機控制光學表面成形( ccos )的加工方式、誤差收斂特點,研製了去除函數呈高斯分佈的雙轉結構研拋模;採用脈沖迭代法、平滑傅立葉變換法導出駐留時間的演算法,求解過程中根據工件面形的特點作了各種形式的簡化;提出了工件表面和研拋模的吻合誤差與局部壓強、材料去除率、收斂比之間內在關系的數學模型,並導出相應的計算公式;分析了邊緣效應產生的原,在加工過程中採用相對壓力對去除函數行修正,可以消除邊緣效應的影響。
  17. Then introduce berry ' s work of finding phase factors including quantum phase factors accompanying adiabatic changes, on the base of this, discuss berry phase factors of spinl / 2 particle in rotating magnetic field

    本文接著介紹了berry1984年發現幾何相的工作,內容包括從量絕熱定理導berry幾何相。在此基礎上,把旋轉磁場中自旋1 2系統作為研究對象,對其幾何相位的變化特點行了討論。
  18. In this paper, the gdop ( geometric dilution of precision ) expression of area navigation system is deduced. using the matrix theory the lowest gdop and that gdop is smaller with more navigation stations are proved in theory

    本論文導了區域導航定位系統的幾何精度,並用矩陣理論對其最小值及其隨導航臺個數增加而減小行了證明。
  19. At present, by the immunohistochemical techniques, there have been the expressions of hsp70, bfgf, cox2 after rat cerebral contusion. the consequences show that the expressions of these three indications show certain changing regulations after rat brain contusion. but there has not been any report about the application of these indications on the estimation of the aging on human cerebral contusion

    目前,已有人分別應用免疫組織化學技術對熱休克蛋白70 ( hsp70 ) 、堿性成纖維細胞生長( bfgf )和環氧合酶- 2 ( cox2 )在大鼠腦挫傷后的表達行了研究,結果表明這三項指標的表達在傷后均呈現出一定的變化規律,但未見有人將hsp70 、 bfgf和cox2應用於人腦挫傷時間斷的研究。
  20. In this thesis, the authors analyze the present situation of the development of county economy in different periods and try to find out their characteristics and key issues affecting the development. case analysis was carried out by selecting three pilot counties from south, central and north of jiangsu province. the authors investigated the major positive and negative factors affecting county econ omy development on the base of case studies and second - hand data analysis

    本文從不同階段縣域經濟發展現狀對比分析入手,找到不同發展階段中縣域經濟的運行特點和發展著力點;以江蘇的蘇南、蘇中和蘇北不同區域的典型縣市為例,在實地走訪調查的基礎上,主要採用二手資料分析的方法,研究縣域經濟發展的主要推進因子和制約;最後就新形勢下縣域經濟發展提出建議。
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