stress v 中文意思是什麼
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Maximum circumferential stress criterion of brittle fracture for v - notch
型切口脆性斷裂的最大周向應力準則 -
Under cold stress condition, cold hardiness of 12 vitis species including 45 lines ( cultivars ) was identified based on the leakage of electrolytes, water loss ratio and percentage of bud bursting on the stem and estimated the hardiness resistance of 12 v. species by the average of subordinate function ( sf )
摘要在冷凍脅迫條件下，測定了葡萄屬12個種45個株系枝條的膜透性變化、含水量動態變化及萌芽能力3項指標，並以種內不同株系間3項指標的平均值綜合評價了12個種的抗寒性。 -
The greatest stress is found at the location on the cross section where v is the largest.
最大應力出現在橫截面上V為最大的地方。 -
The v was tested by yjy stress transducer with mvad card by the methods of recording the deformation in the wideness and thickness direction of the specimens during the tensile test. a stable auxetic polyolefin blend with the minimal value - 1. 4 was observed after repeated test
採用附有mvad通道卡的yjy型片式傳感器，記錄試樣在拉伸過程中寬度和厚度方向的形變並根據泊松比的定義進行計算，反復實驗后獲得最小值為- 1 . 4的負泊松比烯烴共混體系。 -
Here, fem is applied in the analyses of i ) fiber axial stress and interphase shear stress in fragmentation tests during initially applied strain, ii ) influence of temperature on the stress transfer across the interface, iii ) modulus and thickness of the interphase and their influence on interfacial stress transfer, iv ) interfacial debonding process, and v ) fragment aspect ratio, contact friction along the interface and their influences to the interfacial stress transfer efficiency
在論文的這部分工作中，使用有限元法描述和分析了逐節斷裂試驗中初始應變下的纖維軸向應力和界面相剪切應力，溫度對界面應力傳遞的影響，界面相模量和厚度、纖維節長寬比、界面脫粘過程、界面接觸中的摩擦效應等因素對逐節斷裂試驗中應力傳遞的影響。 -
In the paper we mainly researched space gainp2 / gaas / ge high efficiency tandem cells " making process by home - made low pressure mocvd technology and new solar concentrators. firstly, we presented reseached and development of solar cells in china and foreign countries ; secondly, on the basis of fundamental priciples and theories, we discussed some factors of influcing conversion efficiency of solar cells, and analysed the i - v output feature of two - junction tandem cells ; then the design concept of gainp2 / gaas / ge two - junction tandem cells was discussed, the detailed aspects of gainp2 / gaas / ge tandem cells epitaxy growth by low pressure mocvd was studied, and some questions on epitaxy growth ( such as crystal qualities, interface stress, element interdiffusion, n - and p - type doping et all ) were solved ; after that, the cell fabrication process was described ; finally, we reseached the hot pressing and mould process technology of an arched line - focus fresnel lens made by pmma, designed and fixed new solar concentrators
本文致力於用自製的低壓mocvd裝置進行cainp _ 2 / gaas / ge空間用高效級聯太陽能電池製作的工藝以及聚光太陽能電池組件的研究。首先，介紹了國內外太陽能電池的研究現狀及應用情況；其次，運用太陽能電池基本原理討論影響電池轉換效率的因素，分析了級聯電池的伏安特性；隨后，討論了cainp _ 2 / gaas / ge雙結級聯電池的結構設計理念，研究了採用低壓mocvd技術生長cainp _ 2 / gaas / ge級聯太陽電池材料的工藝過程，解決了異質材料生長的結晶質量、界面應力、材料互擴散以及材料n 、 p型摻雜等一系列問題；然後總結了級聯電池的后工藝製作；最後，研究了以pmma為材料的菲涅耳線聚焦透鏡的熱壓成型工藝及其模具的加工工藝，設計並安裝完成新型聚光太陽能電池組件。 -
These data imply that emotional stress may contribute to the development of cancer and may also reduce the effectiveness of cancer treatments, " said george kulik, d. v. m., ph. d., an assistant professor of cancer biology and senior researcher on the project
一名擁有學士學位的癌癥生物學和高級研究員的助教說到，這些數據表明感情壓抑可能導致癌癥的發展也可能降低癌癥治療效果。 -
After i. c. v. 6 - ohda, the c - fos expression of these areas induced by cold stress reduced significantly. 2 ) double staining showed that fos - like immunoreactive positive granules were observed in some vasopressin ( avp ) - immunoreactive positive neurons in paraventricular and supraoptic nuclei, as well as in some tyrosine hydroxylase ( th ) - immunoreactive positive neurons in nts and lc nuclei
（ 2 ）雙重染色顯示，寒冷應激誘導的fos樣免疫反應陽性顆粒可見于室旁核（ pvn ）和視上核（ son ）中的部分加壓素（ avp ）陽性神經元及孤束核（ nts ） 、藍斑（ lc ）中的部分酪氨酸羥化酶（ th ）陽性神經元。 -
2. effect of nacl treatment on the subunits expressions and activities of h + - atpase and h + - ppase from suaeda salsa northern blot analysis indicated that the transcription of v - h + - atpase subunits b, h and c were obviously up - regulated by nacl stress. the transcripts of mrna of b and h subunits in 400 mmol / l nacl - treated plants were significantly higher than those in control during 0 - 120h and the mrna levels of b, h and c subunits were also increased under 100 and 400 mmol / l nacl treatment
400mmol lnacl處理鹽地堿蓬植株0 - 120h發現鹽脅迫明顯誘導了鹽地堿鹽脅迫下鹽地堿茨液泡膜質子泵衷達分析及過量系達印mhxaw對擬甫芥耐鹽性的影響蓬液泡膜h 」 atpaseb 、 h亞基基因表達； 100 、 400mmol lnaci處理鹽地堿蓬植株，分析其葉片液泡膜h 」 -
Using gap elements to simulate the practical worki n g situation of a piston, a new finite element contact model is proposed both th e stress and deformation of the piston and the pressure distribution between the p iston and the pin are obtained the contact area and the pressure distribution v ary with the stiffness of the pin and the clearance between the piston and the p in
該文使用間隙元模擬活塞的實際工作狀態，提出活塞的有限元接觸模型，不僅可以得到活塞的應力和變形，還可以計算出活塞與活塞銷之間的壓力分佈以及銷的剛度、銷與銷座的間隙變化對接觸區域的大小和壓力分佈的影響 -
Abstract : using gap elements to simulate the practical worki n g situation of a piston, a new finite element contact model is proposed both th e stress and deformation of the piston and the pressure distribution between the p iston and the pin are obtained the contact area and the pressure distribution v ary with the stiffness of the pin and the clearance between the piston and the p in
文摘:該文使用間隙元模擬活塞的實際工作狀態，提出活塞的有限元接觸模型，不僅可以得到活塞的應力和變形，還可以計算出活塞與活塞銷之間的壓力分佈以及銷的剛度、銷與銷座的間隙變化對接觸區域的大小和壓力分佈的影響 -
With topographic map and other methods, some class i v active faults that run through laohutai mine field in modern stress environment are found out by means of geodynamic zoning
通過逐級使用地形測量圖並結合其他方法查明了井田i v級活動斷裂，由各級斷裂所分割的斷塊結構展現出了井田現今構造運動的結果。 -
We can obtain the trap density by measuring the change of gate voltage of mos capacitance under constant current stress and the change of high frequency c - v curve before and after the stress
該方法根據電荷陷落的動態平衡方程，測量恆流應力下mos電容的柵電壓變化曲線和應力前後的高頻cn曲線變化求解陷階密度。 -
The results showed that v. amurensis, v. yeshanensis and v. riparia were the most resistant to the hardiness ; v. adstricta, v. piazezkii and v. quinquangularis were middle resistant ; v. romanetii, v. davidii and v. daridii var. cyanocarpa were less resistant ; v. qiolingensis, v. bashanica and v. vinifera were susceptible to cold stress
結果表明，我國葡萄屬野生種（東亞種群）山葡萄、燕山葡萄以及美洲種群中的河岸葡萄為高抗類型； ? ?葡萄、復葉葡萄、毛葡萄為中抗類型；秋葡萄、刺葡萄、瘤枝葡萄為低抗類型；秦嶺葡萄、麥黃葡萄和歐洲葡萄為不抗類型。 -
The newly developed cutting - type integral unit v - belt can carry heavy - load transmission. thetransmission is of multi - stress surface, therefore the belt can resist abrasion whit small slippage and high effciency and work reliably, and is suitable of heavy - load transmission
本公司新開發切邊式聯組v帶，該帶可承載高負荷傳動，傳動受力面多、耐磨損，滑差小，效率高可靠性好，適于大負荷的傳動。 -
Abstract : from the equilibrium and continuity conditions of wave impedance boundary of stress wave and velocity, wave, the paper derives the expressions of reflection coefficient and transmission coefficient of stress wave and velocity wave, further, discusses the characteristics of f - v curves at different impedance ratio, and analyzes the application of these characteristics to ascertain the defects of pile and soil resistance distribution around pile by practical engineering examples
文摘:該文從力波及速度波在波阻抗界面的平衡及連續條件，推導了力波、速度波的反射系數、透射系數表達式，進而討論在不同阻抗比時的f ? v曲線特徵，並引用幾個工程實例對應用這些特徵判定樁身缺陷及樁周土的阻力分佈進行了分析。 -
Cluxtalx analysis indicated that the v - h + - atpase b, h and c subunits from halophyte s. salsa had high amino acid sequence identity with subunits from mesembryanthemum crystallinum, which is an inducible cam species as its growth rate is maximal at moderate salt concentrations. sequence alignment results suggested that the evolutions of v - h + - atpase subunits b, h and c were involved in environmental adaptation and these subunits of v - h + - atpase might have an important role in responses of plants to salt stress
Clustalx分析表明鹽地堿蓬液泡膜h ~ + - atpaseb 、 h 、 c亞基氨基酸序列與來源於兼性cam植物冰葉日中花液泡膜h ~ + - atpase的相應亞基具有最高的序列一致性，表明植物液泡膜h ~ + - atpaseb 、 h 、 c亞基的進化可能與環境刺激有關並且可能參與了植物對鹽脅迫的響應。 -
3. under different kinds of wall rock and the same condition, from ii iii v kinds of wall rock, and conditions of construction period and operation period, it gradually increases that the maximum of displacement and the first main stress third main stress of pipe liner structure
3 、不同種類圍巖在相同的工況下，從、 、類圍巖看，不論是施工期還是運行期，管片襯砌結構的位移的最大值和第一主應力、第三主應力最大值都逐漸增大。 -
The research indicate that the structured soft clay has below several characteristic, the viscous strain is produced during the stage of primary consolidation and of second consolidation, and in the prophase, the relation of stress - strain - strain rate is unique, so the form of constitutive model, such as, f ( v ', e ) = 0, f ( ' v, e, t ) = 0, ca n ' t describe strain behavior of soil skeleton rationally ; the time - dependent properties involve three aspects, in addition the time - dependent strain, apparent preconsolidation pressures that depend on strain rate, and the effect of creep compression on apparent preconsolidation pressures ; because of holding structural strength, the mechanics characteristic is determined by the magnitude of stress, and the compression curve is composed of several sections. by combining structural yield stress and it ' s characteristics with the improved time line model, a new one - dimensional elastic visco - plastic consolidation model is established
研究結果表明，結構性土的固結過程具有以下特性：主固結和次固結階段都包含有因土骨架的粘滯性移動而產生的變形，而且在正常固結階段，存在應力?應變?應變速率的唯一性， f （ _ v ， e ） = 0 、 f （ _ v ， e ， t ） = 0形式的本構關系不足以描述土骨架的變形行為；固結壓縮過程中的時間效應包括三個方面的內容，除了應力應變關系與時間相關外，還包括粘滯性變形引起表觀前期固結壓力增加和屈服應力的應變速率效應；軟土的結構性使其力學特性與應力水平相關，壓縮曲線具有分段性。 -
Based on the theory of fracture mechanics, the relation between the critical stress intensity factors for v - notch kc and the plane strain crack toughness k10c and the brittle fracture criterion of the maximum circumferential stress for single and double stress singularity with the v - notch problems are proposed. experiments were carried out using two kinds of v - notched specimens made out of plexiglas to verify this brittle fracture criterion
本文基於斷裂力學原理，推導出了型切口的臨界應力強度因子k _ c與材料的平面應變斷裂韌度k _ （ 10c ）之間的關系，給出了平面單奇異性和雙奇異性型切口問題的最大周向應力脆性斷裂準則，並用有機玻璃板材加工了兩種型切口試樣，進行了實驗驗證。
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