等熵面 的英文怎麼說

中文拼音 [děngshāngmiàn]
等熵面 英文
isentrope
  • : Ⅰ量詞1 (等級) class; grade; rank 2 (種; 類) kind; sort; type Ⅱ形容詞(程度或數量上相同) equa...
  • : 名詞[物理學] entropy; thermal charge
  • : Ⅰ名詞1 (頭的前部; 臉) face 2 (物體的表面) surface; top 3 (外露的一層或正面) outside; the ri...
  1. Aspect the evaluation in the now available expressway construction project management is chiefly concentrated at economy with the technology, and to manages the twist hempen thread imitates that the research which appraised chiefly includes in effect which inspected and control evaluation and the construction course the evaluation of some one quotas, the unified evaluation system of not formation ; the twist hempen thread effect assessment method is managed to the now available project item, and stopping certain tier face in the item construction mostly, assessment method adaptability is wrong, and lacks the synthetical evaluation to the scattered assessment method of selection submitted a tender such as beckoning and so on

    現有高速公路建設項目管理中的評價主要集中在經濟和技術方,而對管理績效評價的研究主要包括監理的效果評價和施工過程中的一些單指標的評價,沒有形成統一的評價體系;現有的工程項目管理績效評價方法,諸如招投標的選擇之類的零散評價方法,大多停留在項目施工的某一層,評價方法適應性差,缺少綜合評價。本文通過對現有高速公路建設項目管理評價體系存在問題的分析,結合高速公路建設項目管理的特點,構建了高速公路建設項目管理績效評價內容、指標體系,運用模糊評價法、專家評價法、評價法對高速公路建設工程項目管理績效做出了綜合評價。
  2. Visar - measured wave profiles on the free surface of target were profiles with an initial velocity jump followed by a smoothly - rising front to the peak velocity amplitude, showing that quasi - isentropic loading has been successfully generated

    Visar測試得到的是波陣上升前沿被明顯展寬的準壓縮波,最高的擊靶壓力達到了260gpa 。
  3. The accumulation and transportation of moist available potential energy and the release of the condensation heat offer the material condition for this heavy rainfall. under the condition of the air ' s movement through the stiff moist isentropic surfaces, the development of vertical vorticity of mesoscale low vortex system is accelerated due to the slantwise vorticity development, and to form stronger convective system, so as to result in heavy storm rainfall

    濕有效能量的積聚和輸送為強降水的發生、發展提供了充分的物質條件;由於沿陡立等熵面的空氣上滑運動,因傾斜渦度發展造成了中尺度低渦系統垂直渦度迅速增加,促進了低渦的快速加強,形成強對流系統,導致強暴雨過程的發生。
  4. High energy explosive was used to create a powerful and planar shock wave for accelerating flyer plate to high velocity, and high pressure was produced when flyer impacting with the sample. in the experiments, the impactor was brass and target was ofhc copper. by measuring the shock wave velocities of hr2 steel, high - density glass, aluminium alloy ( ly12 / lf6 ), magnesium - aluminium alloy ( mb2 ), polymethyl methacrylate and air, shock pressure and release isentrope of ofhc copper have been obtained

    採用化爆加載、平波發生器和空腔增壓技術,以黃銅為飛片,無氧銅為靶板,測量了抗氫鋼( hr2 ) 、重玻璃( sio _ 2 ) 、鋁合金( ly12 lf6 ) 、鎂鋁合金( mb2 ) 、有機玻璃( pmma ) 、空氣( air )和無氧銅( ofhccopper )各阻抗匹配樣品中的沖擊波速度,上述材料的hugoniot狀態參數c _ 0 、均為已知,由此確定了無氧銅的沖擊加載壓力和卸載后的狀態,得到了卸載路徑。
  5. In this paper, the climatic variation features and spatial and temporal distribution of the flood and drought in zhejiang province were analyzed by using 36 monthly and seasonal station data during 1961 - 1999 observed over zhejiang province, 160 rainfall and temperature data during 1951 - 1999 observed over china, northern hemisphere 500mb height data during ! 961 - 1999, the planting and flood disasters area data in zhejiang province during 1949 - 1998. we used many method : calculated trend coefficient of rainfall and temperature, used eof, reof, ssa ( singular spectrum analysis ) and mem ( maximum entropy spectrum ) method and synoptic method. we first studied the climatic variation features of summer and autumn and characters of the flood and drought in zhejiang

    本文用1961 - 1999年浙江省36個氣象觀測站的降水量和氣溫資料、 1951 - 1999年全國160站的降水量和氣溫資料、 1961 - 1999年500hpa月平均高度資料和1949 - 1999年浙江省11個地市的受災積、成災積、耕地資料,通過計算趨勢系數、變量場eof分解、旋轉eof分解、奇異譜分析和最大譜分析多種統計學方法和天氣學方法,研究了浙江省氣候變化特點及旱澇災害時空分佈的特徵。
  6. Based on the pilot studies on the evaluation index system and the method of sustainable development on loess plateau, this paper has designed the structure frame of the index system including three types of index including one advanced comprehensive index - the comprehensive index of sustainable development, five basic indexes and thirty element indexes, the analytic hierarchy process which can be used to calculate the sustainable development index weight supported by entropy technology. the model can be used to evaluate the sustainable development of loess plateau comprehensively integrated by mathematical method such as compositive appraisement method of hierarchy multilayer 、 main component analytical method 、 regression analytical method and so on. pilot study on the index system has been carried out on the leoss plateau of the northern shaanxi, and the results is promising

    通過對黃土高原可持續發展評價指標體系和方法的初步研究,設計出了包括1個高級綜合指標- -可持續發展綜合指數、人口狀況5個基本指標和人口自然增長率30個元素指標的層次性指標體系結構框架,技術支持下確定可持續發展指標權重的層次分析法,以及由遞階多層次綜合評價、主成份分析和回歸分析數學方法所集成的可持續發展全綜合評價模型,並以陜北黃土高原為例進行了具體的應用分析與評價。
  7. Discuss the generation of test strategy for diagnosis based on information gain maximization and conditional entropy minimization. this approach can be used into the testability analysis and the optimization of test strategy for diagnosis

    研究了基於信息增益最大和基於條件最小的診斷測試策略生成問題,該方法可用於系統的可測性分析、診斷測試策略的優化
  8. Through analysis of potential vorticity in equity - entropy surface field, a relatively high potential vorticity center in cyclone top in low - troposphere have discovered, and make cyclone develop in a more deep cyclone circulation by this ; and an anticyclone circulation zone with more severe low potential vorticity in high - troposphere

    通過對等熵面的位渦分析,發現了對流層中低層的位渦場,在氣旋上方有一個相對高位渦中心,由此使得氣旋在一個比較深厚的氣旋性環流中發展;而對流層高層則是一個伴有較強位渦低值的反氣旋環流區。
  9. Mesoscale low vortex ' s " wandering " at eastern anhui province and stronger development at the stiff moist isentropic surfaces are very important to this heavy rainfall process

    中尺度低渦在安徽東部移動過程中的「打轉」和在等熵面上沿梯度密集壓線的運動和強烈發展,對這次強降水過程具有重要作用。
  10. The exhaust system and muffler are simplified as a set of 1 - d pipes with non - isentropic flow and with variable sections. the partial differential equations of non - stationary flow are transferred into the stationary differential equations by means of the characteristic lines. these equations are solved by finite difference method

    在排氣管系的計算中將排氣管簡化為一組一維非變截管,並通過「特徵線法」將描述其運動的非定常流的偏微分方程轉化為常微分方程,再用差分數值方法依靠計算機求解。
  11. For focus measures, frequency spectrum functions, gradient functions and entropy function are analyzed in detail

    其次,本文從頻譜函數、梯度函數、函數詳細分析了對焦深度法中常用的對焦評價函數。
  12. The initial velocity jump and velocity peak of the quasi - isentropic waves are greatly concerned with shock wave impedance of the targets. changing the impact conditions, there are evident differences among the quasi - isentropic energy

    隨著擊靶速度的提高,準壓縮波的波陣前沿的上升時間逐漸減小,而對應的速度峰值和初始跳躍則不斷增加。
  13. The corrected visar - measured wave profiles on the interface between target and window were profiles with an initial velocity jump followed by a stepwise - rising front to the peak velocity amplitude, indicating that quasi - isentropic compression energy waves had been successfully generated

    對visar測試到的波形進行合理的修正後,得到的界速度波形都是由一個較弱的初始速度跳躍和一段緩慢上升的波陣前沿所組成的準壓縮波。
  14. The results showed that quasi - isentropic compression energy waves were produced after the impact with mg - face of the flier - plate, whose initial velocity jump, peak velocity and front ' s rise - time were all different from the general shock loading wave profiles

    結果表明,梯度飛片正向擊靶后產生的是波陣明顯被展寬的準壓縮波,準壓縮波的初始速度跳躍、速度峰值和波陣前沿的上升時間都呈現出不同於傳統沖擊波陡峭上升波形的特徵。
  15. Theory of shadowing was developed intensively in recent years and has a lot of deep results

    拓撲和遍歷性概念的聯系做了大量的研究,得到了許多好的結果。
  16. In order to determine thermal loading and working pressure of nozzle inner contour, the gas was regarded as one dimensional isentropic flow, and temperature field of nozzle was computed based on three - dimension finite element model

    將燃氣簡化為一維流以確定噴管內型所承受的溫度和壓力載荷,基於三維有限元模型,計算了噴管的瞬時溫度場。
  17. In the theoretical aspect, secondary combustion in ejectorjet and thermal throat was researched. theory of duct flow was conducted, the difference and homology between heat added flow and entropy fixed flow was described

    在理論研究方,本文對引射火箭二次加熱及熱力喉道進行了研究,推導並分析了一般的管流理論,闡述了加熱管流與變截管流之間的異同。
  18. Information storage implies knowledge capacity inside an enterprise ; its alteration depends on passively or periodically collecting, initiatively absorbing and exploring and innovating information. information entropy indicates the sequencable extent of the knowledge system. in fact, knowledge management is the process to decrease information entropy through administration and estimation on knowledge unit

    知識存量反映了企業內部的知識容量,其變動取決于被動地或周期性收集知識、主動吸收知識、探索創新知識三個方;信息反映了知識系統的有序化程度,知識管理就是通過對知識元的管理與評估活動降低知識系統信息的過程;知識系統的整體內容則表現在知識語義上,不同的人對同一個知識系統獲得的語義是不同的。
  19. The results showed that quasi - isentropic compression energy waves were produced after the impact, whose initial velocity jump, peak velocity and front ' s rise - time were all different from the general shock loading wave profiles. furthermore, the higher the impact velocity, the smaller the extended wave ' s front while the higher the peak velocity

    結果表明,梯度飛片擊靶后產生的是波陣明顯被展寬的準壓縮波,準壓縮波的初始速度跳躍、速度峰值和波陣前沿的上升時間都呈現出不同於傳統沖擊波陡峭上升波形的特徵。
  20. By analyzing expression between a and fuzzy entropy from the view of analytics, this paper analyses the relationship of between a and fuzzy entropy and the changing trend of fuzzy entropy function with the increase of a, then discusses the sensitivity of the parameter a to classification result such as total nodes, rule number, classification accuracy of fuzzy decision tree, proposes an experimental method of obtaining optimal a, it is proved by experiment that the optimal value a obtained by this method can make the classification result of fuzzy decision tree best, and therefore provides the academic evidence of selecting parameter a in order to gain the best classification result

    本文在visualc + +軟體開發平臺及模糊id3演算法的基礎上,從解析的角度出發,通過分析參數與模糊之間的函數關系式,討論了隨著的增加,模糊函數的變化趨勢,進一步分析了參數對模糊決策樹的分類結果在訓練準確率、測試準確率、規則數所表現出的敏感性,探討了得到最優參數的實驗方法。實驗證明,利用這一方法得到的最優參數的值,可以使模糊決策樹的分類結果達到最好的效果,從而為人們用模糊決策樹進行分類時選取參數以獲得最優的分類結果,提供了良好的理論依據。
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