concentration of stress 中文意思是什麼
concentration of stress
解釋
應力集中- concentration : n. 1. 集中。2. 【化學】提濃，蒸濃，濃縮；濃度；稠密度；【礦物】汰選，選礦，富化。3. 集中注意，專心。
- of : OF ＝Old French 古法語。
- stress : n 1 壓力，壓迫，緊迫，緊張。2 【語音】重音；重讀；【詩】揚音；語勢，著重點。3 重要（性），重點，...
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At low concentration of zn, the changes in ultrastructure were nuclei deformation, chloroplast swelling and disorder of thylakoid arrangement ; serious damages in ultrastructure caused by greater zn stress were indicated by scattered nucleoli, condensed chromatin, almost empty nuclei with nuclear membrane disrupted and nucleoplasm flowing into cytoplasm, swollen and partly dissolved cristae of mitochondria, disrupted and collapsed chloroplast envelopes, and some dissolved thylakoids that flew into cytoplasm
超微結構的變化也呈現加重趨勢，低濃度處理的變化為細胞核變形、葉綠體膨脹、類囊體排列紊亂；嚴重的超微結構的損傷是核仁散開、染色質凝集，細胞核幾乎成為空核和核膜破裂，核質散出；線粒體脊突膨脹和部分溶解；葉綠體膜斷裂、消失和部分類囊體溶解和散到細胞質中。 -
Under the stress of nacl lower than 100 mmol / l, the tissue structure of root had no distinct difference from the control. when the concentration of nacl was higher than 250 mmol / l, the stained color of safranine was deep but not even, and color in fibrovascular tissue and peripheral cortex cell were deeper than that around fibrovascular tissue. wild type arabidopsis thaliana and two salt - tolerance mutants were used for rapd analysis
當nacl濃度小於100mmol l時，根組織結構與對照未表現出明顯的差異；但當nacl濃度達到250mmol l時，根組織結構對番紅染料的著色較深而且不均勻，維管組織和外圍皮層細胞著色較深，而維管組織周圍的細胞著色較淺。 -
Some other defects in castings are well - defined cracks and hot tears that develop during solidification, under combination of stress concentration from uneven contraction and the metal ' s low strength at near - melting temperatures
鑄件內部的其它一些缺點是，凝固過程中，在不均勻收縮造成的應力集中和接近熔點溫度下金屬的低強度的綜合作用下，出現的清晰裂縫和熱撕裂。 -
The local stress concentration of the bus body frame was also studied
本文還研究了大客車車身骨架的局部應力集中問題。 -
Atlas of stress distribution and graphs of stress concentration factor ( scf ) were obtained. the atlas and the graphs showed that the scf at the joint crease nonlinearly with the accretion of r / r and the minuet of t / t
結果表明連接點處有明顯的應力集中，並且這種應力集中是隨著開孔率增大和厚度比減小呈現非線性增長的。 -
In order to approach the optimum design of changeover portion structural shapes for submarine ' s different diametral pressure cabins, a new structural type, named the double arc transition form, is introduced based on the analysis of stress concentration, by using the engineering calculation method and finite element mthod
摘要為了探討潛艇不同直徑的耐壓艙室過渡段結構型式的最優設計，利用工程計算方法和有限元方法，分析過渡段結構的應力集中，提出了能夠使不同直徑圓柱殼光滑過渡的結構形式雙圓弧式過渡形式。 -
The critical concentration of mannitol stress is 0. 8 - 0. 9mol - l - 1. the maximal level of aba accumulation is attached after 5 hours " treat with 0. 9mol - l - 1 mannitol solution. cell wall plays important roles in tobacco cells perception to osmotic stress
滲透脅迫誘導aba積累的水平與脅迫處理的濃度和時間相關，脅迫處理的有臨界濃度為0 . 8 ? 0 . 9mol ? l ~ （ - 1 ） ， aba積累水平在脅迫處理5小時后達到最大。 -
Many cases of excavation and support of high rock slopes were symtematically analyzed, and some conclusions were drawn. there exists stress concentration in grading angle induced by excavation and obvious change of stress and strain on sloping surface, which reduce as the increase of distance to surface. initial stresses have important influence on excavation and support
撇面上的應力應變的靴很大，隨著離坡面距離的增加而減小；初始地應力對邊坡的開挖支護產生很大的影響，隨著初始地應力的增加，開挖坡面回彈位移增大。 -
From some phenomenon of nature or engineering, we can know that the process of stress diffusion, transfer and concentration is a bridge between the initial state and final state of soil. and if character of soil is different, so do the approach and result of stress diffusion, transfer and concentration
由自然界及工程中存在的一些現象可知，巖土由加荷到出現最終結果的過程中，應力分佈、傳遞、集聚的過程是一個中間橋梁，土介質的特徵不同，其應力分佈、傳遞、集聚的途徑及展示的結果亦不同。 -
City construction is identical with applying load on soil mass, so researching maximal area coverage and locus of stress diffusion, transfer and concentration in soil will be helpful of analyzing the deformation and stabilization of city foundation. it also is important content in the research of ultimate bearing resistance of city geologic environment, and it will provide beneficial reference for city disaster reduction, prevention and city sustainable development
城市建設等同於在城市下伏土體上不斷施加荷載，土中應力分佈、傳遞、集聚的最大區域、部位的研究，將有助於分析城市地基變形與穩定問題，是城市地質環境極限承載力研究中的重要內容，可為城市減災、防災，城市可持續發展提供有利的依據。 -
This thesis also studied the influence of the spacing, which is between the central action point on the shackle and the exterior plate of the chassis frame side rail, because the spacing influenced the local stress distribution and the stress concentration of the bus body frame and the chassis frame, and the related variational tendency was summarized
本文還研究了吊耳銷作用力中心點與縱梁腹板間距對車架和客車骨架的應力分佈與集中的影響，總結了相關的變化趨勢。 -
The factors of stress concentration in thin plates used as springs in electric switches were required.
要求定出用作電器開關簧片的薄板中的應力集中系數。 -
Electro motive strain is a common method used to measure the maximum strain in stress concentration district, or mostly to extrapolate certain unknown value of stress utilizing some known value
應變電測法是測量應力集中區最大應變值的一種比較常用的方法，主要是利用某些可測點的值去推測不可測點的值，即通常所說的外推法。 -
When a ferromagnetism items is under the application of stress, the phenomenon that the tangential component of magnetic leakage field has maximum value and that the normal component of magnetic leakage field changes polarity and acquires zero value at the stress concentration zone will take place
鐵磁性工件在受到應力作用時，在應力集中處會有漏磁場的切向分量出現最大值、同時法向分量改變符號且過零值點的現象。 -
As concentration of salt solution increased, the vigor index, germination index and the length of shoot and radical gradually decreased. the radicle was sensitive to salt stress and had low tolerance. it can be concluded that p. hendersonii has high salt tolerance, h. strobilaceum has low salt tolerance
隨著鹽溶液濃度的升高，大葉白麻和鹽節木種子的活力指數和發芽指數下降，幼芽和幼根的長度逐漸變短，幼根對鹽分脅迫敏感，忍耐力不強。 -
This kind of illness usually occurs among people whose work requires a lot of concentration ( who undergo a lot of stress )
這種病通常發生在工作要求精神高度集中的（精神緊張的）人們當中。 -
Abstract : fatigue cracks in ship hull structures are most likely to occur in the highly stressed structural details. the conventional fatigue analysis is largely dependent on the determination of stress concentration factors ( scfs ) at the locations considered. this paper is concerned with the stress concentration of cutout in transverse web for longitudinal stiffener. a series of finite element models is carried out for the stress analysis of predefined structural details. the tabulated scfs of typical cutouts ( abs tanker rules ) in transverse web for longitudinal stiffeners are presented based on the finite element analysis ( fea ) results
文摘:疲勞裂紋往往發生在船舶結構的局部高應力區，而疲勞分析結果通常取決于任何準確確定結構的應力集中系數.本文研究為鋪設縱骨而在艙壁板上開孔的應力集中，採用有限元方法對預先給定的結構進行應力分析，基於有限元計算結果給出了艙壁板典型開孔（參見abs油船規范）的應力集中系數表 -
Based on ansys, this paper studies stress concentration on single notch of eight kinds of high strength bolts used in grid structure, obtaining their stress concentration coefficients, discussing the effect of ascending angle, bottom radius of screw thread and bolt - ball on stress concentration, introducing their effect coefficients of a1, a2, a3, putting forward the formulae of stress concentration coefficient
本文以ansys有限元軟體為研究手段，針對網架螺栓球節點的8種螺栓規格進行單缺口應力集中分析，定量求得相應的應力集中系數k _ t ；論述了螺紋升角、螺紋牙根圓角半徑r及球栓直徑比d / d對k _ t的影響，並引入相應的影響系數_ 1 、 _ 2及_ 3 ，最終提出了應力集中系數k的計算公式。 -
After excavation, there are concentration phenomenon of stress at the corner or the shiplock room, and the tension zone lies in half of the middle part as well as the part of the two slopes to the lower part of the upright wall. finally the analysis results are compared with site monitoring data in period of construction as well as the feedback reports, the result of all comes to meet with each other very well
開挖完成後，在閘室拐角處存在不同程度的應力集中現象，中隔墩上部1 2的巖體及南北邊坡至直立墻頂部平臺以下的部分巖體為拉應力區。在兩側邊坡及邊墻的塑性區出現在損傷區和部分卸荷影響區內，中隔墩大部分區域的巖體都進入了塑性狀態，閘室底板處的塑性區基本上與損傷區一致。 -
This concentration of stress further accelerates cartilage wear with thinning of outer layers and propagation of cracks and fissures in the deeper layers
集中的應有盡有力進一步加速外民支軟骨磨損及變薄，也加速深層碎裂和裂隙的擴布。
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