重力場常數 的英文怎麼說

中文拼音 [zhònglìchǎngchángshǔ]
重力場常數 英文
constant of gravitation
  • 重 : 重Ⅰ名詞（重量; 分量） weight Ⅱ動詞（重視） lay [place put] stress on; place value upon; attach im...
  • 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...
  • 場 : 場Ⅰ名詞1 （平坦的空地 多用來翻曬糧食 碾軋穀物） a level open space; threshing ground 2 [方言] （...
  • 數 : 數副詞（屢次） frequently; repeatedly
  • 重力 : [力學] gravity; force of gravity; gravity force; power of gravity; pull of gravity; gravitational...
  1. When the field is slowly - varying, the scalar field potential acts like a cosmological constant. in addition to the quintessence models, many other theories for dark energy have been proposed, including models based on super - symmetric gauge theories, super - gravity, small extra dimensions, large extra dimensions, quantum field theory effects in curved space - time. all these models are essentially based on the existence of a mass less scalar field acting at a cosmic scale

    除了真空場模型外，科學家亦提出其他解釋黑暗能量的理論，這些模型建基於不同的物理理論或假設，例如超對稱規范理論超重力增加一些小或大的空間維數量子力學在彎曲時空的影響等等，這些理論模型，返本溯源，其實背後都假設存在著一個特性類似於宇宙常數的無質量純量場。
  2. In recent years, plentiful and substantial fruits achieved by the lb method in simulations of hydraulics, multiphase flows, flows in porous media and heat transfer as well as magnetohydrodynamics, have revealed a broad perspective of application of this method, it will become a powerful competitor to the conventional approaches. in order to absorb the recent achievement in theory and application of the lb method, explore new ways in hydraulic computation to promote the development of practice, some work is car ried out in this thesis, as following : advances in the theory research and application, deductive process of the d2q9 model and some other commonly used models of the lb method are summarized. based on the hydrodynamic and general boundary conditions, a new joint boundary condition is presented, it integrates advantage of the two conditions above and obtains very good results in dealing with all kinds of boundaries of flow fields

    為了消化和吸收近年來lb方法在理論和應用方面的新成果，探索在水力計算方面的新途徑以促進lb方法實用化的發展，本文進行了下列研究工作：綜述了lb方法在理論研究和實際應用方面的新進展，以及d2q9模型的推導過程和其他一些常用的模型；在水動力邊界條件和通用邊界條件的基礎上提出了一種新的聯合邊界條件方法，它綜合了上述兩種邊界條件的優點，在流場的各種邊界處理中取得了非常好的效果，經過模塊化的處理以後這種邊界條件具有更好的實用性；針對均勻網格的lb方法計算效率較低的不足，提出了雙重網格的latticeboltzmann方法，通過二維poiseulle流動、后臺階流動和渠道方槽流動三個算例的模擬，證明這種方法能夠明顯地提高流場模擬的計算效率；此外，根據復雜區域流場的特徵提出了latticeboltzmann方法的分塊-耦合演算法，利用lb方法的計算特性實現塊與塊之間的數據交換，充分利用計算資源提高計算效率，通過對「 t 」型、 「十」型和「 x 」型分岔管道流場的模擬，展示了這種演算法的特徵和優點，以及它所具有的應用前景。
  3. Avoiding the difficulties of detecting the difficult parameters in furnace control and of building up the models, integrated with fuzzy control and conventional pid control, abb ’ s control it system is used to predict the bloom surface and center temperature directly based on the temperature of furnace wall easily to be detected so that the temperature settings in various furnace sections can be self - corrected, the furnace temperature of each section self - adjusted and on - line parameters of combustion control self - optimized. in addition, the heating parameters and the operating status of the field plant can be monitored with alarm

    採用abb公司的controlit控制系統，避開爐子控制中遇到的困難參數檢測及建模困難等因素，直接根據容易檢測的爐壁溫度來推知鋼坯表面溫度及鋼坯中心溫度，將模糊控制技術與常規pid控制相結合，實現各段溫爐設定值自修正、各段爐溫自協調、各參數在線自整定的自尋優最佳燃燒控制;對熱工參數、現場設備的運行情況進行監視、報警，實現爐膛壓力、管道壓力、換熱器的保護控制，並將重要參數送往廠級mis網路。
  4. The valve caused domestic product because of the low quality : the rapid market expansion, the existing state - owned enterprises have close valves, although the rapid development of township enterprises, but because of the low starting point of township enterprises, technical strength is very weak, poorly equipped, most of imitation products production, especially with the drainage of low pressure valves, the problem is serious

    造成國內閥門產品質量低下的原因在於：由於市場急速擴大，原有國營閥門企業紛紛關停並轉，雖然一批鄉鎮企業迅速發展，但由於鄉鎮企業起點低，技術力量非常薄弱，設備簡陋，產品大多數都是模仿生產，特別是給排水用的低壓閥門，問題嚴重。
  5. If a scalar field changes slowly, it resembles a constant, both in its fixed magnitude and in its lack of directionality ; relativity theory predicts it will produce a gravitational repulsion

    如果純量場變化緩慢，它就會有固定的大小，而且沒有方向性，就像一個常數一樣；相對論預測，這種情況會產生重力排斥效應。
  6. Numerical simulation of the unsteady flow in a transonic turbine stage is still a hard work for cfd researcher

    渦輪級內的非定常流場數值模擬是現階段計算流體力學研究的重要領域，也是研究的難點。
  7. Based on abroad consultations and studies on national and foreign related datum, mainly taking shenzhen luohu fracture zone for research object, and by means of analysis on locale monitoring datum analysis, laboratory routine rheopectic testing, finite element numerical simulation and appraisal of gis stability, a few of conclusions can be summarized as the following : ( 1 ) analyzing present and past geological reconnaissance datum and reports of stability appraisal in luohu jiancheng district and synthesizing a mass of crustal stress monitoring datum and huangbeiling faultage f8 monitoring datum, and combining closely with practical engineering activity in luohu district, characteristics of crustal stress distribution is deeply discussed, which has an important guiding meaning for studying region stability and underground structure safety in luohu district

    本文在廣泛查閱、研究國內外有關資料的基礎上，主要以深圳羅湖破碎帶為研究對象，通過現場實際監測資料分析、室內常規流變試驗、有限元數值模擬以及基於gis的穩定性評價，可以得到以下幾點結論： （ 1 ）分析了羅湖建成區以前和現今的地質勘察資料、穩定性評價報告，綜合大量的現今地應力監測資料和黃貝嶺f8斷層監測資料，緊密結合羅湖建成區的實際工程活動，深入探討了羅湖區的地應力分佈特徵，這對于研究羅湖地區區域穩定性和地下建築物的安全性具有重要的指導意義。
  8. With its smaller volume, lower price and better anti - jamming, singlechip have been widely applied in modern control system operating scene which have been put in collecting data in order to achieve shop floor control. the pic singlechip which is made by microchip co. in the u. s. a, with its risc architecture, high price verse performance ration, high speed, has been working in low voltage, lower power depletion, higer driving power, lower price otp technology and smaller volume, has been represents a new trend in the microprocessors ; as a transmission media, sms ( short message service ) which is a basic service in the gsm network, with its lower price and high reliability, has become important media in people ’ s daily life and trade communication ; led ’ s panel which has been applied in publishing the news and advertising in the enterprise is a control technic, a photoelectricity technic, communications technic, digital - image processing technic all rolled into one

    單片機以其體積小、價格低、抗干擾性好等特點，在現代控制系統中常用在操作現場進行數據採集，以及實現現場控制。 pic單片機系列是美國microchip公司推出的，採用risc結構的高性價比嵌入式控制器，其高速度、低電壓工作，低功耗，強大驅動能力，低價otp技術，體積小巧等都體現了單片微控制器工業的新趨勢;作為信息的傳輸媒體， sms短消息服務是gsm網路的一種基本業務，以其低成本、高可靠性的方便快捷通信方式成為人們日常生活和商業交流的重要載體;集控制技術、光電技術、通信技術、數字圖像處理技術於一體的led電子顯示屏為企事業的信息發布和廣告宣傳提供了廣闊的便利。
  9. The condition of water pressure acting on the both sides of cement - soil retaining wall is researched by computing the seepage field around the wall. it is illustrated that the coefficient of water pressure, which isn ' t constant along the height, is affected seriously by some factors, e. g., the distribution and relative hydraulic permeability of the soil beside the wall, the hydraulic permeability of its foundation, and the buried depth of the impervious layer. as a whole, the lateral pressure acting on the wall based on seepage is always smaller than that without regard to seepage in the non - excavated zone. moreover, the pressure based on seepage is greater than that without regard to seepage in the excavated zone if the coefficient of passive pressure is smaller than 1. 176. this case is of great advantage to the stability of the wall

    通過計算水泥土擋土墻周圍的滲流場，研究了墻側水壓力的變化規律.結果表明：水壓力系數沿高程並非常數，且受到墻側土層分佈及其相對透水性、墻基土的透水性和下臥不透水層埋深等因素的嚴重影響.總體來說，考慮滲流時墻后的側壓力總小於不考慮滲流時的相應值，且當墻前的被動土壓力系數較小時，考慮滲流時該側的側壓力則大於不考慮滲流時的相應值，因此，這種情況有利於擋土墻的穩定
  10. Selecting two articles on this section as its research objects, the thesis makes a deep analysis of these two news texts with “ the urban marginalized ”, a sociological term, as its connecting thread. by telling regular days ’ “ rifles ” of “ the urban marginalized ”, the narration itself comes out to be the presentation of and enquiry into the meaning of common people ’ s life, and overthrows the traditional “ mainstream narration ” in content. the narrative style of “ magnetic structure ” exhibits the living surroundings of the narration body more forcefully, although it dissects the typical linear structure conventionally used in in - depth reports

    本文的研究表明，這類報道中的敘述者通過講述「城市邊緣人」日常生活中的「小事」 ，其敘述本身構成對于普通人日常生活意義的呈現與追問，在內容上顛覆了傳統的「主流敘事」 ; 「磁場式結構」的敘述方式，消解了常規深度報道慣用的線性結構，但卻更有力地展示出了敘事主體的生存氛圍，有助於推進受述者閱讀這一群體充滿變數的生活，引發真切感受;語言的修辭性指向意義的播撒，透明樸素的語言中流動著厚重的人文關懷，舒緩細膩的敘述筆調增強了敘述文本的張力。
  11. Why power quality questions are attracting attention increasingly has three chief reasons : the electricity load structure occurs the great change in the modern power system ; very sensitive to power quality control equipment and the electronic installation service based on the computer system of large numbers have been used ; in the power market under the operating mechanism, power is as the commodity, and users certainly puts forward the more and more higher requirement to the commodity quality

    電能質量問題之所以日益受到重視主要有三個原因：現代電力系統中電負荷結構發生了重大變化，諧波源的種類和數量增加；大量對電能質量非常敏感的基於計算機系統的控制設備和電子裝置投入使用；在電力市場運行機制下，電能作為商品，用戶必然對商品質量提出越來越高的要求。
  12. Birth date : 22 september 1976 height : 183 cm weight : 77 kg position : fw current club : internazionale int l goals : 45 as of 30 june 2002 int l caps : 64 as of 30 june 2002 first int l cap : argentina 23 march 1994 ronaldo is one of the most talented soccer players in the world today. his sublime skills matched by his blistering speed is one heck of a combination

    出生日期: 1976年9月22日身高: 183 cm體重: 77 kg位置: fw現效力俱樂部: internazionale ita國家隊進球數: 45截止到2002年6月30日國家隊出場次數: 64截止到2002年6月30日國家隊首次出場: vs阿根廷1994年3月23日他外表不凡長相超常，生長在桑巴的國度，熏陶于先輩的輝煌。
  13. Ronaldo biography : birth date : 22 september 1976 height : 183 cm weight : 77 kg position : fw current club : internazionale int l goals : 45 as of 30 june 2002 int l caps : 64 as of 30 june 2002 first int l cap : argentina 23 march 1994 ronaldo is one of the most talented soccer players in the world today. his sublime skills matched by his blistering speed is one heck of a combination

    出生日期: 1976年9月22日身高: 183 cm體重: 77 kg位置: fw現效力俱樂部: internazionale ita國家隊進球數: 45截止到2002年6月30日國家隊出場次數: 64截止到2002年6月30日國家隊首次出場: vs阿根廷1994年3月23日他外表不凡長相超常，生長在桑巴的國度，熏陶于先輩的輝煌。
  14. The result that this kind of practice spreads, it is to make the number of the annuities that get increases, and the number that pay endowment insurance expends decreases accordingly, accentuated burden of endowment insurance fund, affected the normal retiree that accords with a condition of basic annuities on time full specified amount extends ; 2 it is to make one batch did not arrive the age, the technology, worker that has experience exits working station ahead of schedule, create the waste of labor natural resources not only, and the on the rails that affected an enterprise to manufacture management activity, legitimate rights and interests of the worker also got enroach on ; 3 it is to shift to an earlier date in great quantities retiree 2 obtain employment, formed concussion to the labour market, the normal order that disturbed the labour market develops

    這種做法蔓延的結果，一是使領取養老金的人數增加，而繳納養老保險費的人數相應減少，加重了養老保險基金負擔，影響了符合條件的正常退休人員基本養老金的按時足額發放；二是使一批未到年齡、有技術、有經驗的職工提前退出工作崗位，不僅造成勞動力資源的浪費，而且影響了企業生產經營活動的正常進行，職工的合法權益也受到了侵害；三是大量提前退休人員二次就業，對勞動力市場形成了沖擊，擾亂了勞動力市場發展的正常秩序。
  15. Aiming at the current research situation that our automotive brake manufacture level is lower, this article puts forward a new idea designing mrp brake, and introduces material composition and rheological mechanics of mrf. rheological mechanics of mrp is compared with erf, extensive attention has been paid to mrp because of their high yield stress. the yield stress of mrp is generally one order of magnitude large than that of erf in equivalent conditions

    本文介紹了磁流變液的材料組成、工作機理及流變特性，並在流變特性上同電流變液進行了比較。通常磁流變液的屈服應力大約比電流變液大一個數量級，在3 105a / m的磁場作用下，屈服應力可達60kpa以上，磁流變液由於其具有較強的屈服應力而受到廣泛的重視。
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