theoretical yield 中文意思是什麼

theoretical yield 解釋
理論產出率
  • theoretical : adj. 1. 理論（上）的，學理上的 （opp. applied）。2. 假設（性）的；純理論的，推理的。3. 空論的 （opp. practical）。adv. -ly
  • yield : vt 1 生出，產生（作物、報酬、利益等）。2 給與，讓與；讓渡；放棄（權利、地位等）；交出。3 承認。4 ...
  1. In the hogging condition, double bottom and the side shell remain the ultimate bucking strength, deck and upperwing tank remain the yield stress, and the other parts keep elasticity. then the key to calculate the ultimate strength of ship hull girders is to ascertain the ultimate bucking strength of the stiffened panels. in this regard, the developed formulation is designed to be more sophisticated than previous simplified theoretical method for calculating the ultimate strength of stiffened panels under combined in - plane bending and lateral pressure. fabricatio n - related initial imperfections ( initial deflections and residual stresses ) are included in the panel ultimate strength calculation as parameters of influence. all possible collapse modes involed in collapse of stiffened panels, including overall buckling collapse, column or beam - column type collapse, tripping of stiffeners and local bukling of stiffened web are considered

    確定了船體梁整體破壞時的剖面應力分佈之後，關鍵在於確定板架的極限屈曲強度。本文充分考慮了在縱向彎曲、橫向壓力作用下加筋板可能發生的幾種破壞模式，即板架的整體屈曲破壞、樑柱形式的破壞、筋的側傾、腹板的屈曲並同時考慮了初始焊接殘余應力、初撓度的影響，使其更精確的計算加筋板的屈曲強度。對于加筋板中加強筋腹板的局部屈曲，採用解析法推導出筋的腹板的撓度方程及其邊界條件，求解相應的方程，從而計算出腹板的局部屈曲應力。
  2. This study run through the basic idea of ecoregional approach methodology and systematic design by integrating agronomy, ecology, environmental economics, resource economics and maths. the study methods included macro - and micro - analysis, qualitative and quantitative analysis, theoretical and case study, statistical analysis and model simulation and so on. resources shortage and environmental pollution casued by intensive agriculture were examined for a specific suburban area shunyi district beijingissues were systematically analyzed including landuse changes, landuse driving force, water - limited yield simulation with wofost model, ecological, environmental and economical analysis of landuse, as well as optimizing pattern of landuse with rcsadss model

    本研究立足於生態區域法的基本思路，採用系統設計的思想，通過農學、生態學、環境經濟學、資源經濟學、數學等多學科的交叉與融合，宏觀與微觀、定性與定量、理論與實證研究等相結合的方法，運用統計分析、模型模擬等技術手段，在大量調研基礎上，針對目前大城市郊區農業用地中存在資源短缺、環境污染等問題，以北京市順義區為典例，從土地利用現狀與動態、驅動力、 wofost模型產量模擬、生態環境經濟分析及種植業結構優化模式等方面進行了系統研究，獲得如下研究結果： （ 1 ） 2002年順義區的土地利用仍以農業用地為主，耕地、園地、林地和牧草地之和占總土地面積的56 ，農用地中糧食作物仍佔43 。
  3. Aiming at the present low efficiency of well irrigation works and through pumping tests and theoretical analysis, the paper derives a method for calculating the optimum water yield, the best lifting distance and economic pipe diameter of low pressure pipe delivery system of irrigated area by wells, increasing the efficiency of motor - pumped wells

    針對目前井灌工程效率低下的問題，通過抽水試驗，經過理論分析，推導出了井灌低壓管道輸水灌溉系統的最優出水量、最佳揚程和經濟管徑計算方法，從而可提高機井灌溉效率。
  4. Effect of steel pit on the mechanical property was discussed in succession. numerical results show that exponential relation exists between the yield strength and depth of corrosion pit. the work in this part is the theoretical foundation on the study in modeling of constitutive behavior of the corroded concrete and rusty rebar

    基於微觀腐蝕機理分析了硫酸鹽介質對混凝土的膨脹性腐蝕作用，從理論上研究了由於膨脹作用引起混凝土內部產生的膨脹應力；討論了鋼筋表面銹蝕坑對鋼筋力學性能的影響，建立了鋼筋屈服強度與蝕坑深度之間的關系；為受腐蝕混凝土和銹蝕鋼筋本構關系的建立提供了一定的理論基礎。
  5. The comprehensive research of typical wells in water - yield pattern shows that the theoretical curves are accordant with actual situation, indicating this method is applicable to analysis and prediction of water - yielding pattern in such a reservoir

    對典型井的產水規律綜合研究表明，理論曲線與油藏實際產水情況比較吻合，說明該方法對薄層底水油藏產水規律分析預測具有較好的適用性。
  6. Not enough is known about these forces to yield accurate theoretical expressions for the virial coefficients.

    要想得到維里系數的準確理論表達式，我們還缺乏關于這些力的足夠知識。
  7. Meanwhile it can serve as reference for government to issue bonds, supervise bonds, implement monetary policy and adjust interest rate. the important issue of the research of yield curve is to discover the quantitative relation between yield to maturity and years to maturity by the analysis of the past trading data so as to calculate the theoretical yield to maturity and predict the forward interest rate of any years to maturity in the future

    研究國債的利率期限結構（國債收益率曲線）重點要解決的問題是通過對國債交易的歷史數據的分析，找出國債收益率與到期期限之間的數量關系，從而能夠準確地推算擬合曲線上任意點的理論收益率，並預測出將來任意給定期限的國債所對應的遠期利率。
  8. The important issue of the research of yield curve is to discover the quantitative relation between yield to maturity and years to maturity by the analysis of the past trading data so as to calculate the theoretical yield to maturity and predict the forward interest rate of any years to maturity in the future

    研究國債收益率曲線重點要解決的問題是通過對國債交易的歷史數據的分析，找出國債收益率與到期期限之間的數量關系，從而能夠準確地推算擬合曲線上任意點的理論收益率，並預測出將來任意給定期限的國債所對應遠期利率。
  9. The rapid and reversible change between fluid and solid enables erf potential applications in mechatronic devices, cars and general machines. the transmission ability of a self - made cylinder coupling with zeolite - based erf was investigated, the torque transmission of the coupling in wide ranges of driving speed and electric field was measured. the relationship between the transmission torque, the zero field viscosity of erf and shear yield stress of erf under different electric fields was obtained and compared with theoretical prediction

    本文用沸石和硅油配製的電流變液，在自製圓筒式聯軸器上研究了在一定的速度范圍和有無電場作用條件下測量了其扭矩傳遞能力，獲得了傳遞扭矩與零電場電流變液粘度以及電場中電流變液的剪切屈服應力之間的關系，並與理論值進行了比較。
  10. On the basis of expounding the effects of plastic deformation behavior and forming limit on the analysis of sheet metal forming, this paper overviews the research progress on yield criterion, hardening model, forming limit and effects of complex loading paths, and obtains that establishing the test method of complex loading paths according with sheet forming characteristics, verifying the accuracy and applicability of theoretical results, and determining the analytic description and practical criterion under complex loading paths, are main research directions in sheet metal forming

    摘要本文在闡述塑性變形行為與成形極限對于解析板料成形過程的作用與意義的基礎上，針對板料屈服準則、強化模型、成形極限及復雜加載路徑的影響規律的研究進展進行了綜述與分析，得出：建立符合實際板料成形特點的復雜加載路徑的實驗方法，驗證理論研究結果的準確程度及適用范圍，確定復雜加載路徑下的解析描述及實用判據，是目前該領域主要的研究方向。
  11. In the yield data acquire multi - line geometric in a radial pattern is adopted. before theoretical explanations about the non - uniqueness of inversions and the necessity of constrains are illustrated, the description of linear travel - time interpolation ( lti ) calculations, the derivation of jacobian linear equations, and the deductions of solving large sparse matrix equations, i. e. the lsqr iterations, are involved. in order to cope with the uncertainties in tomography, we reach several categories on constraint methods

    對於野外數據採集採用多測線上放射狀布置檢波器；圍繞層析成像方法，文章分析了線性差值射線追蹤lti技術，推導出在矩形網格內速度以雙線性關系變化時方程組的解析式，進一步詳細探討方程組的求解方法，即最小平方正交分解法，並給出了迭代公式。
  12. In laboratory experiments, their reactor generated hydrogen gas at nearly 99 percent of the theoretical maximum yield using aetic acid, a common dead - end product of glucose fermentation

    在實驗室的實驗中，研究者們的反應裝置利用醋酸產生的氫氣量達到理想情況下的99 % 。醋酸是常見的葡萄糖發酵后的最終生成物。
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