yield strain 中文意思是什麼

yield strain 解釋
屈伏應變
  • 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 ...
  • strain : vt 1 用力拉,拉緊,抽緊,扯緊。2 使緊張;盡量使用(肌肉等)。3 強迫,強制;濫用,盡量利用。4 拉傷...
  1. The strain 2009 and the pure culture were used as experimental materials to study the relationship between the pregermination methods of auricularia auricula and the emergence rate, the contamination rate and the yield by six methods

    摘要以黑木耳菌株2009作試驗菌株,選用木屑培養基作試臉材料,在同一黑木耳栽培菌培養室採用6種不同的催芽方法,研究了催芽處理方法與耳基分化率、污染率和產量之間的關系。
  2. Breeding of high - yield l - isoleucine producing strain by protoplast fusion

    異亮氨酸高產菌的原生質體融合育種
  3. First a strain with high lysine content is crossed with one having good yield characteristic.

    首先把一個賴氨酸含量高的品系與一個具有豐產特性的品系相雜交。
  4. In order to fully refect the geo - tech basic mechanics behaviors and to rationally explain the strain localization, this paper establishes the theory framework of gradient - dependent plastic model based on the theory framework of gradient - dependent plastic mechanics and in considering the plastic strain ' s gradient - dependence in double yield function, offers a kind of possible concrete pattern of the generalized plastic gradient model and analyzes each parameter of the model, particularly with the physical sense of " localized parameters " and the elements producing possible effect upon the model

    為了較全面地反映巖土的基本力學性質,同時合理解釋應變局部化現象,本文基於廣義塑性力學的理論框架,在雙重屈服函數中考慮了塑性應變的梯度依賴,建立了廣義塑性梯度模型的理論框架,並給出了廣義塑性梯度模型的一種可能的具體形式,分析了該模型的各個模型參數,尤其是其中的「局部化參數」的物理意義和可能對其產生影響的因素。
  5. After saccharifying the residue of bran koji vinegar through multiple strain culture fermentation, the reducing sugar yield of the saccharified vinegar residue was as high as 27. 2 %

    摘要經過多菌種發酵糖化麩曲醋渣后,糖化醋渣的還原糖生成率達到27 . 2 % 。
  6. For the first time a 1539bp squalene synthase ( asqs ) cdna was cloned from a high - yield artemisia annua strain 001 by race strategy

    用race方法首次從青蒿中克隆了一個1539bp全長鯊烯合酶cdna 。
  7. An anisotropic time - dependent trinal - yield - surface model for the stress - strain - time behavior of soft clay

    軟土各向異性三屈服面流變模型
  8. This thesis briefly analyzes some yield criteria and instability criteria to the sheet metal forming first. then according to the transformation rule from ultimate strain to ultimate stress, it establishes the mathematical calculation models of the forming limit stress diagram for the software development according to hill48 、 hill79 and hosford yield criterion irrespectively

    本文首先分析了板料成形的屈服準則和失穩準則,然後根據極限應變到極限應力的轉換關系,分別採用hill48屈服準則、 hill79屈服準則和hosford屈服準則,建立了用於軟體開發的成形極限應力圖的數學計算模型。
  9. Among inorganic salts tested, k2hpo4was more essential to the sclerotia formation and carotenogenesis of strain pt9s than kcl, mgso4 or feso4 it was also shown that the combination of k2hpo4, kcl and mgso4 could produce the best positive cooperation and give the highest sclerotia biomass ( 782mg / plate ) and pigment yield ( 328 g / plate ). all of five carbon sources, i. e

    4 .研究了無機鹽和碳氮源對青黴pt95菌株菌核生物量和類胡蘿卜素產率的影響作用,結果表明:供試的4種無機鹽中, kzhpo ;的單因子效應最好; kzhpo4 + kci + mgs04表現出最好的正協同效應。
  10. The research shows that : 1 ) the ductility of the hsc bending members constructed is much greater than 5 ; 2 ) increasing the vertical links and distribution steel can increase the deflection under ultimate moment ; 3 ) with appropriate compressive bars, vertical links and distribution steel the increase of moment after yield and the decrease of moment under ultimate moment can be ignored, so the ductility of the hsc bending member is much larger ; 3 ) the width / depth ratio of hsc bending member has no obvious effect on the ultimate compressive strain of concrete ; 4 ) the method used here to calculate the deflection is applicable ; 5 ) the location of crack coincides with the location of vertical links and distribution steel ; 6 ) the bending property of the hsc structure under the blast load can meet the demand of protective engineering

    研究表明:本文研究的梁、板構件的延性比遠大於5 ;增加箍筋(鉤筋、分佈筋)含量,可以提高壓區混凝土剝落時的撓度;在適當的受壓筋、箍筋(鉤筋、分佈筋)含量下,可以忽略壓區混凝土剝落瞬間的承載力下降,從而大大提高構件的延性;受彎構件的寬高比對壓區混凝土極限應變的影響不明顯;受彎構件的裂縫間距受箍筋(鉤筋、分佈筋)的布置影響;文中所用的承載力和變形計算方法是可行的。化爆試驗表明,高強混凝土構件的動載抗彎性能能夠滿足防護結構的要求。
  11. The triaxial shear test of the original loess is carried out and the ct scanning is ongoing at the same time. combining images and data of the ct scanning with the stress - strain curve, the course of soften dehiscence damage and harden yield damage is explained by means of damage theory

    進行了原狀黃土的三軸剪切試驗過程中的ct掃描,結合ct圖像、數據與應力應變曲線,利用損傷理論方法解釋了軟化開裂破壞和硬化屈服破壞過程。
  12. By treatment with both ultraviolet rays and licl, a mutant strain b. s. lx - 19 with high yield of heparinase and stability was obtained, whose enzyme activity increased by 40 % over strain lx - 10

    Lx ? 19 ,其肝素酶產量較出發菌株提高了40 。通過單因素條件研究,發現n源和c源對酶產量影響較大,接種量以10 ,初始ph6 . 5 ,種齡12h為宜。
  13. Determination method of the damage threshold stress and damage threshold strain is given, six kinds of damage variables ( which are across isotropy effectual elastic modulus damage variable, simple effectual elastic modulus damage variable, density damage variable, volume damage variable, volume density damage variable and area density damage variable ) are defined, evolution curves and evolution equations of harden yield damage are obtained

    提出了損傷應力和應變門檻值的確定方法,並定義了六種損傷變量(即橫觀各向同性有效彈性模量損傷變量,簡單有效彈性模量損傷變量,密度損傷變量,體積損傷變量,體積密度損傷變量和面積密度損傷變量) ,在此基礎上得出了硬化屈服損傷過程中的損傷演化曲線和演化方程。
  14. Experimental techniques for simulating cavity decoupling explosion in laboratory wear developed, which include a center initiating explosive charge designed in shape of mini - spherical with yield equivalent to 0. 125 ~ 8. 00gtnt, circular electromagnetic particle velocity gages and aluminum bar strain gages measurement techniques, spherical divergent stress waves generator. large amount of tamped and cavity explosion experiments had been made in granite, soil, cement mortar and water media environment, respectively

    本文建立起了包括中心起爆的0 . 125 8 . 00gtnt微型球形炸藥裝置的研製、圓環形電磁粒子速度計及鋁桿應變計測試技術和球形發散應力波實驗裝置等在內的實驗室微型藥量空腔解耦化爆模擬技術,並在花崗巖、土、水泥砂漿和水等介質中進行了大量的填實和空腔爆炸實驗研究。
  15. Individual dislocation - solute interactions are extrapolated to ensemble effects, including " upper yield points " during mechanical testing, serrated flow, strain aging, and viscous drag

    由個別的差排溶質交互作用推衍到整體效應,包含機械測試時之上降伏點、鋸齒狀應力-應變行為、應變時效及黏滯力。
  16. The panels of hull girder may collapse or buckle before it reaches the yield stress. the curve of the stress - strain is usually constituted by stable zone -, non load - shedding zone and load - shedding zone

    並且船體截面的組成單元(一般是加筋板單元)在達到材料屈服應力之前還可能發生多種形式的屈曲。
  17. It was observed, from experiments, that this alloy presented abnormal performance after undergoing low strain rate and high - temperature deformation. the flow stress reduced to only one percent of the yield point at room temperature and the elongation to fracture increase twice

    試驗發現: 480下ly12經歷低應變速率拉伸后,將其冷卻至室溫,性質會發生極大變化:流動應力只有普通室溫屈服應力的十分之一左右;延伸率比通常條件下增加一倍左右。
  18. The ultra - low carbon steel ( 0. 001 % c ) is subject to a strain of ~ 10 by utilizing equal channel angular pressing of ten passes with route c at room temperature. the grain size is refined to ~ 0. 3m and the resultant steel exhibited the yield strength over 678mpa with a reasonable good elongation of 47. 4 %

    本研究成功實現了室溫下超低碳鋼c方式下的ecap變形,累計等效真應變達到10 ,獲得了晶粒尺寸為0 . 3 m超細晶試樣,其屈服強度達678mpa ,是普通熱軋態的兩倍多,並保持高的塑性。
  19. Regard yield function as temperature and plastic strain ' s function, the deflection of simply - supported slabs under fire are analyses by coordinate finite element. the computing results show in good agreement with the results of tests. it is demonstrated that the method and the computer programs are reliable

    理論分析主要是採用二維有限元分析了構件截面溫度場;採用拖帶坐標描述法的有限元格式,在考慮了在時間步內屈服面是溫度和塑性的函數基礎上,分析了簡支板在火災作用下的變形規律,所得結果與試驗吻合較好。
  20. In this paper, the ductility of steel bar is expressed by ductility ratio b, the figure of dividing ultimate strain by yield strain. the ductility of section is expressed by ductility of section ratio, the figure of dividing ultimate curvature by yield curvature. the displacement ductility is expressed by displacement ductility ratio, the figure of dividing ultimate displacement by yield displacement

    論文中鋼筋延性採用鋼筋延性比b來表示,即極限應變與屈服應變的比值;構件截面延性採用截面延性比來表示,即極限曲率與屈服曲率的比值;構件位移延性採用位移延性比_來表示,即極限位移與屈服位移的比值。
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