推力變化規律 的英文怎麼說
中文拼音 [tuīlìbiànhuàguīlǜ]
推力變化規律
英文
thrust law- 推 : 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...
- 力 : Ⅰ名1 (力量; 能力) power; strength; ability; capacity 2 [物理學] (改變物體運動狀態的作用) forc...
- 規 : Ⅰ名詞1 (畫圓形的工具) instrument for drawing circles 2 (規則; 成例) rule; regulation 3 [機械...
- 律 : Ⅰ名1 (法律; 規則) law; rule; statute; regulation 2 (律詩的簡稱) short for lüshi 3 (姓氏) a ...
- 推力 : visatergo; soot; propulsive force; thrust; momentum thrust
- 規律 : law; regular pattern
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Fist of all, on the basis of the research of agone boffins, this author investigates the interaction mechanism of bolts and rock, and introduces the elastic ? lastic analytical resolution which is consist of the liner structure, the equivalent reinforced wall rock and the original wall rock in the simple loading from the equivalent well - proportioned view ; this solution is very important meaning for the engineering design. on the basis of coulomb friction model, the author introduces the finite element equation of the contact problem in order to provide the academic foundation for the application of msc. marc. finally, combining the engineering practice of the non - linear analysis of shield tunnel through yellow river of the south - north water transfer and using the model of friction, the author researched the evolution law of stress and displacement field in the structure of grouted rock bolts, and analyzed the effect to the stress and deformation of surrounding rock mass due to anchor supports
首先,在前人研究成果的基礎上,對錨桿與圍巖的相互作用機理進行研究,利用全長錨固錨桿的中性點理論,從等效均化的角度來考慮錨桿對圍巖的加固作用,並推導了在簡單荷載作用下,含有襯砌、等效加固后的圍巖、原始圍巖三者的彈塑性解析解,對工程設計有著重要的參考意義;在數值模擬方面,以考慮錨固圍巖滿足規則化庫侖摩擦模型為基礎,利用虛功原理推導了接觸問題的有限元方程的計算格式,為開發運用大型商用有限元軟體msc . marc提供了理論根據,也形成了本文的理論基礎:最後,論文以南水北調東線穿黃隧洞穩定性分析項目為工程實例,利用本文所述的接觸問題的摩擦模型理論,對錨桿支護結構的應力場、位移場的變化規律進行了研究,分析了加錨支護對隧洞圍巖應力、變形的影響。Dynamic control of the limit water level belongs to non - structural measures of reservoir operation. with the analysis of the cause and rule of flood in the catchments and taking advantage of hydrology and metrology information, the operable method can be obtained which not only satisfies the flood prevention but also takes full advantage of flood resources, and the upper and lower limits of the limit water level are determined with serial hydrology calculation. then, the rule of using the upper and lower limits is put forward to reach a beneficial flood operation with small risk
汛限水位動態控制方法屬於水庫風險調度的非工程措施范疇,通過分析流域洪水的成因和庫區降雨及致洪規律,結合水庫的蓄泄能力,積極慎重的利用水文氣象預報信息,研究既能滿足防洪要求,又可充分利用洪水資源的可操作性的調度方法,利用水文系列的連續演算方式推求汛限水位的變化范圍,提出使用汛限水位上下限的原則,達到風險較小、效益較大的目的。Abstract : this paper presents an analysis of the moment of inertia ofcoiler in hot strip mill in detail, the derivation of theoretical formula of the inertia and the analysis, taking 2050 hot strip mill for example, of the inertia change rule and the compensation of moment of inertia
文摘:對熱軋帶鋼卷取機的慣性力矩進行了分析,推導出慣性力矩的理論表達式,並結合2050熱軋卷取機分析了慣性力矩的變化規律,對慣性力矩進行了補償。Based on energy theory, wrinkling criterion in deep drawing for axisymmetric parts is derived to take geometry parameters, friction coefficient, material properties, and the law of critical blank - holder force ( bhf ) of side wall wrinkling in the constraint condition of initial wrinkling into account
從能量平衡原理出發,通過對屈服準則的線性化處理,推導了考慮幾何參數、摩擦系數和材料性能參數、板材皺曲時約束條件的軸對稱拉深成形過程中側壁起皺臨界壓邊力的變化規律,給出了皺曲判據。It should meet the general requirements of being qualified politically and competent militarily and having a fine style of work, strict discipline and adequate logistic support, with a view to enabling itself to win battles and never degenerate, paying attention to strengthening itself through and technology and building itself into a more revolutionary, modernized and regularized army
按照政治合格軍事過硬作風優良紀律嚴明保障有力的總要求,著眼于打得贏不變質,注重科技強軍,全面推進革命化現代化正規化建設,確保軍隊永遠忠於黨,忠於社會主義,忠於祖國,忠於人民。Take the marxism as the important content and the theory instruction socialism ideology, is our country society ' s mainstream ideology, but in the new historical period, the socialism ideology is facing social reforming, the system innovation, the members of different social classes thought idea change and the economical globalization and so on many impacts and the challenge which brings, therefore, how further advances our country ideology construction, consolidates and strengthens the marxism in the ideology domain instruction status is important issue which the time proposed, only then persists pace with time, requests by the time comprehensively to carefully examine the new situation and the challenge which the current ideology construction faces, by the judgment science which develops grasps the mainstream ideology the essential connotation and the law of development, by the spirit which innovates positively impels the mainstream ideology the theory consummation and the practice innovation, can make our country mainstream ideology to maintain the vigorous vitality and the exuberant vigor throughout
以馬克思主義為重要內容和理論指導的社會主義意識形態,是我國社會的主流意識形態,但在新的歷史時期,社會主義意識形態正面臨著社會轉型,體制創新,社會成員思想觀念變化及經濟全球化等帶來的諸多沖擊與挑戰,因此,如何進一步推進我國意識形態建設,鞏固和加強馬克思主義在意識形態領域的指導地位是時代提出的重大課題,只有堅持與時俱進,以時代的要求全面審視當前意識形態建設所面臨的新的情況與挑戰,以發展的眼光科學把握主流意識形態的本質內涵和發展規律,以創新的精神積極推動主流意識形態的理論完善與實踐創新,才能使我國主流意識形態始終保持蓬勃的生機和旺盛的活力。The static loading test for three group of testing piles of jiading power plant secend stage project are analyzed and studied in this thesis, and the practical applying of high - accurate data collector, technique of waterproof insulation and testing technique of burying in the body of pile are introduced also. the vertical and horizontal loading features of three group of piles of different kind and constructing technique in different earth layer at the pile point are analyzed and compared and summed up with basic integro - differential equation calculating the pile earth system load transmit, transforming principle of stress - deforming and pile body rating of burying electric measuring element. changing law of stress, and changing law of pile body shifting and bending for different testing piles under vertical and horizontal load are showed so that the loading features of soil layer and pile at testing spot, reliable design data for pile type and base for scientific construction technique are provided
本文僅就嘉定電廠二期工程中的三根試驗樁的靜載試驗進行了分析和研究,利用樁土體系荷載傳遞分析計算的基本微分方程及應力-應變轉換原理,結合預埋電測元件的樁身率定,對三組不同種類、不同施工工藝、不同持力層中的樁的豎直、水平承載特性進行了分析、比較和歸納,通過大量、全面的實測數據,經過整理、轉換和推演,揭示了不同試驗樁在豎直、水平荷載作用下的應力變化規律和樁身變位、撓曲變化規律,最終提供試驗場地土層和樁的承載特性,為該工程合理設計樁型提供了可靠的設計參數,為確定科學的施工工藝提供了有力的依據。Meanwhile, the mathematic model of torpedo ' s electrical propulsion system is established, which is composed of zn / ago batteries, two step shifting electrical equipment, cooterrotating dc motor and counterrotating propellers. the torpedo electrical drive system ' s changing regulations in stining, shifting and stopping ttansient process are exposited as well
同時對由鋅銀( zn / ago )電池、兩級變速電器、雙轉推進電機和對轉螺旋槳組成的魚雷電動力推進系統建立了系統數學模型,揭示了由雙轉推進電機和對轉螺旋槳為主組成的魚雷電動力推進系統在啟動、變速和停車的暫態過程中的變化規律。Statistically, it makes a quantitive analysis on the evolvement of the country economic structure in xi ' an city, the economic benefit of the changes in industry structure, the effect on labor resource collacation in industry structure and the effect of the increasing income of countrymen in industry structure changes, which discloses a rule of the industry structure evolvement in country. the putting forward of the non - agriculture industry in country, especially the rapid increase in country industry will promote the rise of the country industry level for a long term. the country industry structure influences a lot the increase of the farmer ' s income which is also affected by agriculture structure and planting structure, but less. the non - agriculture industry plays a main role in the increase of farmer ' s income. for the low level of the townlization and industrialization, developing industry, construction and commercial in country is very feasible to resolve the problem of spare labors in country. it is strengthening labors transferring and reducing the modulus of labor over the infield that farmers income could be kept increasing. after a theoretical analysis and twenty years practise in the regulation of country economy structure after the reform and opening policy in xi ' an, a new thought of regulating country economy structure in xi ' an is put forward that a strategic regulation must be taken in country economy structure and the agriculture structure must be optimized. moreover, an expanding agriculture must be developed and transfer the spare labors in country effectively. so the government function during the regulation of country economy structure is transferred to : the first one, making the stress policy in the regulation of country industry structure. 2ndly, strengthening the force in regulating country industry structure ; 3rdly, making a plan on the regulation of country industry structure ; 4th promoting the optimizition and upgree of industry relying on sci - tech progress ; 5th enhancing the townlization and optimizing the country industry structure ; last one, improving the quality of labors in full scale
本文在概述經濟結構理論的基礎上,第一次系統地研究了西安市農村經濟結構調整,用數據統計的方法,定量、定性地分析了西安市農村經濟結構演變的軌跡,分析了產業結構變動的經濟效益、產業結構勞動力資源配置效應、產業結構變動的農民收入增長效應,揭示了農村產業結構演變的規律。提出農村非農產業,尤其是高速增長的農村工業,對促進農村產業水平的提升起著長?推動力的作用;農民收入增長直接受農村產業結構的影響最大,農業產業結構、種植業結構對農民收入有影響,但作用不可高估;非農產業是農民增收的主要支撐力量,解決農村余勞動力在城鎮化、工業化水平不高的情況下,切實可行的選擇是在農村發展工業、建築業、商飲業等非農產業;農民收入要保持快速增長態勢必須加大農村勞動力轉移力度,減少耕地承載勞動力的系數。通過理論分析,結合西安市改革開放后20多年的農村產業結構調整的實踐,提出了西安市農村產業結構調整的發展思路及目標、原則,明確指出了政府在農村經濟結構調整過程中的職能轉變的重要方面:一是制定農村產業結構調整的傾斜政策,二是加大對農村產業調整的投入力度,三是制定產業結構調整的規劃,四是依靠科技進步促進產業優化和升級,五是加快城鎮化過程,優化農村產業結構。This new method has the capability of calculating complicated 3d grain burning surface. dealing with evolving interface of complicated material and topology change ( splitting. breaking. merging ), based on level set method and burning surface process law. this technique can get accurate area of burning surface each moment and data of geometrical structure that provide access to examination of grain change in the srm working process. 2
結合固體火箭發動機燃面推移規律,在等值面函數法基礎上開發的裝藥燃面演算法能夠成功計算任意復雜三維裝藥燃面,並且具有處理復雜物質邊界及其拓撲結構發生變化(如分裂、破碎、合併)的能力,能夠準確計算出發動機工作過程中各個時刻裝藥的燃燒面積,同時輸出裝藥幾何構形數據直觀地觀察裝藥的變化情況; 2The article has researched the intention of agricultural industrialization which is guided by market and mainstay enterprises, based on agricultural product base organized by a lot of families, and characterized by joint management and mutual benefit. it also realized production specialization, product commercialization, service socialization and etc. the article has also researched the existing conditions of agricultural industrialization both at home and abroad. although it is different in national conditions and actual practice, the developed countries follows the market economic law and naturally steps on the road of agricultural industrialization. as the continuous reforming and opening up, china actively explores and enhances the management level of agricultural industrialization. the writer uses system changing theory, scale management theory, trade expense theory. market system theory and industrial economics theory, to put forward the main type of mainstay enterprises, which is divided by ownership, organization form, contact form and product. the writer thinks that development of mainstay enterprises can promote effective joining between small production and big market, the developing of high - benefit agriculture, establishing trade / industry / agriculture operation system, region economics and joining process between urban area and rural area. the existing conditions in strengthening the mainstay enterprises in zhaoyuan embodies continuous expanding in scale. continuous widening in fields, continuous enhancing in benefits, continuous improving in techology and quality. by finding the problem and shortage in product quality, developing ability and scale strength, the article has put forward the following views : face to market and enhance quality and techological content of agricultural products ; enforce flexible policy and investments ; establish fair and reasonable benefits joining system. the article has also put forward the countermeasures and suggestions on enhancing the enterprises ' management level
文章研究了農業產業化經營的內涵,明確其以市場為導向、以龍頭企業為依託、以一大批農戶組成的農產品生產基地為基礎,形成農工商有機結合、風險共擔、利益均沾的本質特點,表現出生產專業化、經營一體化、企業規模化、產品商品化、服務社會化等特徵。分析了國內外產業化經營的現狀,認為盡管各國的國情不同,具體的做法和叫法不盡相同,但是經濟發達國家都遵循市場經濟規律,很自然走上了農業產業化經營的道路,發展中國家紛紛仿效,中國也隨著改革開放不斷深入,積極探索發展提高農業產業化經營水平。作者運用制度變遷理論、規模經營理論、交易費用理論、市場機制理論和產業經濟學理論,提出了龍頭企業從所有制形式、從組織形式、從聯系方式及從產品上劃分的主要類型;認為發展龍頭企業有促進小生產與大市場的有效對接、推動優質高效農業縱深發展、建立貿工農一體化運行機制、振興區域經濟、加速城鄉一體化進程等作用;考察了招遠市壯大龍頭企業推進農業產業化的現狀,表現在規模不斷擴大、領域不斷拓寬、效益不斷提高、技術不斷改進、質量不斷提高等方面;找出了龍頭企業產品質量上、開發能力上、規模實力上和行業自律上的問題和差距,提出了要面向市場,努力提高農產品的質量和科技含量,多策並舉,搞活投入機制,建立公平合理的利益聯結機制,加強行業自律,提高企業經營管理水平等對策和建議。In addition, the variations of the viscous effect with different inlet temperature is studied, the changing law of thrust and thrust efficiency with temperature is analyzed
其次,變化來流氣體溫度,研究粘性效應的變化,分析推力、推力效率受溫度影響的變化規律。Through the research of paleo - environment change and process with regard to east asia monsoon environment system, loess, karst, ice core, lakes, paleo - oceanography, the impact of human activities over terrestrial ecological system, and marine ecologic dynamics, they rebuild the natural environment evolution regularity of east asia, thus actively and effectively push forward the research of global change study
通過東亞季風環境系統、黃土、巖溶、冰芯、湖泊、古海洋學和人類活動對陸地生態系統影響以及海洋生態動力學等方面,開展古環境變化和過程研究,重建了東亞自然環境演化規律,積極而卓有成效地推動了全球變化研究。This article analyses the reinforcement mechanism of pile - net composite foundation mainly, combining natural equilibrium arch theory and reinforced cushion tension membrane theory to deduce the calculation formula of the stress ratio of pile - soil in the pile - net composite foundation under embankment
本文主要對樁網復合地基的加固機理進行分析,並結合自然平衡拱理論和加筋墊層拉膜效應理論推導出路堤下樁網復合地基樁土應力比計算公式,同時分析了各設計參數變化對樁土應力比的變化規律。Based on the catastrophic characters of the whole strain energy in truss structural instability, the relationship between the whole strain energy and the stress rate in the link element was educed, and the stress rate criterion for judging the instability of truss structures was built up through analyzing the changing law of stress rate
基於桿系結構發生動力失穩時的總應變能突變特徵,推導總應變能同桿單元應力變化率之間的關系,並分析應力變化率的變化規律,建立了判定系結構動力失穩的應力變化率準則。And the theoretical a nalyses done in this paper are listed below : first, the experimental data on the members of varied parameters under torsion demonstrate the general rule of the deformation while the tubular is under torsion. the paper establishes three phases of the deformation of the tubular under torsion, namely, the elastic deformation, the elastic - plastic deformation, and ultimate failure. through regression analysis, a simplified method is proposed for calculating the capabilities of the tubular under elastoplastic torsion, and the formulary for bearing value, is also recommended as a reference in engineering design
本文根據不同參數的構件受扭性能試驗結果,研究了該結構受力變形全過程的基本規律,提出了受鈕全過程的三個工作價段,即彈性變形階段,彈塑性變形階段和極限破壞階段,經分析回歸得到扭轉全過程彈塑性的簡化分析方法及承載力計算公式,可供工程設計參考;同時根據本文的彎扭試驗結果以及對離心鋼管混凝土構件進行的理論分析,推導了彎扭試驗相關承載力的關系。分享友人