reference strain 中文意思是什麼
reference strain
解釋
標準物-
The existed material fatigue performance test curves are dealt with and analyzed, and the non - dimensional stress - strain curve, tangent modulus factor curve and fatigue life curve are drawn based on the experiment data, and these three non - dimensional parameter curves are used to find the inherent rules that the test curves can be replaced each other to some extent. it can be concluded that if the common character and system error of these materials are found, the test curve of a certain material can be used for reference by another material. this is a simple approach about fatigue life estimate and is engineering practical
對已有的材料力學疲勞性能試驗曲線進行分析整理，利用試驗數據繪制了相對應力應變曲線、切線模量因子曲線和疲勞壽命曲線，利用這三種無量綱參數曲線發現了其中存在的規律性，即在某種程度上實驗曲線可以互相取代，並用試驗數據對此進行了討論，並由此推斷，如果找出材料彼此的共性或彼此之間的系統誤差就可以將一種材料的試驗曲線供其它材料參考使用，這是一種估算材料的疲勞壽命的簡便方法，對工程而言具有實用性。 -
Due to temperature performance of fbg, a reference fbg is adopted to compensate temperature and the compensation principle is expounded. moreover, this scheme not only realizes temperature compensation but also reduces repeatability error of ffptf and errors from power fluctuation of light source, noise of pd and noise of electro - circuit. in the end, temperature and strain performance of fbg is tested and
基於光纖光柵的溫度響應特性，提出用一個參考光柵來進行光纖光柵傳感陣列溫度補償的設計方案，並論述了其補償原理，證明了該方法的可行性；同時可以看出，該方法不僅可以實現溫度補償，也可以減小光纖f - p可調諧濾波器的重復性誤差以及光源功率波動、探測器噪聲和電路噪聲等引起的誤差。 -
The corresponding control equation is given. the control equation and boundary condition about the addiontional small deformation ' s effect caused by initial stress using virtual principal theory in cylindrical reference frame. generalized stress and strain and equivalent constitutive equation are given
第四章提出了描寫柱形薄殼中初應力的數值特徵，將應力的三維分佈轉化為二維分佈，給出相應的支配方程；在柱坐標系中，利用虛功方程建立了初應力對附加小變形影響的控制方程和邊界條件；給出了廣義應力、廣義應變及等效本構關系。 -
And the variation characteristics of stress field, strain field and plastic failure zones in the surrounding rock mass of the underground cavities are summarized, which provides basic information and reference for the evaluation of underground cavities stability and project construction
總結了地下洞室群圍巖應力、變形和破壞區的分佈特徵和變化規律，為洞室群穩定性評價和工程施工設計提供了基礎資料和參考依據。 -
The choice dam type is especial importance, during the designed research of the rock - fill dam, particular under the rock - fill dam with very deeply cover layer, the stress and strain of the middle wall and cutting interpenetration wall of the dam foundation is mostly sensitive, whether the. design of dam is scientific and reasonable, it is very important for cutting interpenetration and stability of the dam, the article offer the reference for the design of cutting interpenetration in the foundation with deep cover with earth the water conservancy in xiaban zone, based on the study and analysis the design of cutting seep in the foundation with deep cover with earth, cutting interpenetration concrete wall and the joining model of cutting interpenetration material in body of dam and the applying effect in the practical worko based on the foundation which absorbed and summarize the achievement of design and research in the inter and outer country, for the project of the clay vertical middle wall and vertical cutting interpenetration, the asphalt concrete vertical middle wall and vertical cutting interpenetration the clay inclined middle wall and the lever carpet layer cutting interpenetration, respectively in terms of the different stage of complete period sluice period and working condition, adopting nonlinear calculate and analysis with the finite element method ; carrying the analysis and study with the 3d finite element method as to the different joining model of the left bank high slope cutting interpenetration body and the foundation concert cutting interpenetration wall ; carrying the analysis and study with the 3d finite element method as to the effect of the wall stress and strain because of the different elasticity modulus of the concert cutting interpenetration wall through the analysis and study with the different project. have comparatively all - around comprehended the various model dam, particular the distribute rule of stress and strain of the cutting interpenetration system, provide for the important evidence of the plastic area size the join model of the foundation cutting interpenetrate wall and dam body cutting interpenetrate system the choice of the dam model and the design of the structure of the dam body, the result of research and advice have very importance value in design and building for the similarity project
工程設計中，壩型的選取顯得尤為重要，特別對于壩基有深厚覆蓋層的堆石壩，心墻和壩基防滲墻的應力和變形是壩體、壩基最敏感的部位，設計方案是否安全、科學和合理，對大壩防滲和穩定起到至觀重要的作用。本文研究分析了國內外深厚覆蓋層基礎防滲設計、壩基混凝土防滲墻與壩體防滲體銜接形式及工程實際應用效果，為下坂地水利樞紐工程深厚覆蓋層基礎防滲設計的方案選擇提供了參考；在吸收和歸納了國內外堆石壩的設計研究成果的基礎上，對粘土心墻和壩基垂直防滲方案、瀝青混凝土心墻和壩基垂直防滲方案以及粘土斜心墻和壩基水平鋪蓋防滲方案，分別按竣工期和蓄水運行期的不同工作情況進行了有限元非線性計算分析；對左岸高陡邊坡的大壩防滲體與基礎混凝土防滲墻的不同結合型式進行了三維有限元靜力計算分析和研究；對混凝土防滲墻不同彈性模量對墻體應力和變位的影響進行了三維有限元靜力計算分析和研究。通過對不同方案的計算分析和研究，比較全面的了解了各方案壩體，尤其是防滲體的應力和變形分佈規律，為壩型選擇、壩體結構設計、基礎防滲墻與壩體防滲體的結合型式以及塑性區大小的確定提供了重要依據。 -
Relatively, the new wibdv strains gx8 / 99 had less homology to wibdv reference strain hk46 and other 3 field strains as 96. 8 % - 97. 2 % at dna or aa levels, than the homology among hk46 and 3 strains, strains gx8 / 99 more than 98. 4 % - 98. 6 % at dna or aa levels
為研究病毒的核酸分子結構與其致病性的關系，本研究選取了在致死率上不同的4個ibdv野毒株，比較了它們的vpz基因高變區共494個堿基序列。 -
This strain ' s virulence was judged by mean death time of chick embryos ( mdt ), intracerebral pathogenicity index in day - old chicks ( icpi ) and intravenous pathogenicity index in 6 - week - old chickens ( ivpi ) and it was found to be the virulent strain. at last, it was tested by the recurrent infection and found that it was the newcastle disease virus ( ndv ), and it was named hbg - 1 strain. in order to find the difference of the cleavage site of this strain with f48e9 and ? 30 strain, a part of the cleavage site of fusion protein gene fragment was amplified by rt - pcr using a primer and sequenced. the sequence analysis showed this strain had low homology with f4ge9 and cso. a phylogenetic tree based on the published sequences of ndv reference strains was constructed and showed the isolated strain hbg - 1 belonged to the genotype w ndv, a novel genotype ndv
為了進一步探尋分離株與標準株的異同，又採用rt - pcr方法，擴增獲得分離株f _ o裂解位點附近的基因片段，經測序后與國際上已發表的新城疫病毒的核酸序列進行比較，結果表明其與標準株和疫苗株之間的同源性較低，僅為82 86之間。經系統發育進化樹分析后，判定該分離株為新城疫病毒（ ndv ）基因型。運用計算機軟體對其裂解位點處的氨基酸序列進行預測和分析，結果表明該分離株為新城疫病毒強毒株並具有基因型的典型結構特徵。 -
The deformation characteristics and the formula for equivalent strain of large plane - pure - shear deformation mentioned in reference [ 1 ] are questioned in this paper
摘要對文獻[ 1 ]中的平面純剪切大變形的變形特徵及等效應變表達式提出質疑。 -
Taking the results as boundary constraint and the velocity field of horizontal movement after transforming reference frame as the load of fem node, the velocity field of horizontal movement in the region is simulated, the principal strain rate field and maximal shear strain rate field are calculated, the variety characteristics of the two rate fields and relation between the variety characteristics and strong earthquake preparation are analyzed
將反演結果作為邊界約束並將變換參考框架后的水平速度場作為有限元節點載荷，模擬區域內部水平運動場並計算其主應變率場、最大剪應變率場，以分析這兩個時段中這兩種場的變化特徵及其與地震孕育之間的關系。 -
And another nine strains and strains hclv, shimen of two major reference strains of china belonged to group i. in addition, strain p97 was the special individual
G皿z 、 gxnn 、與屬1群的中國主要參考毒株hclv 、 shimen在遺傳關繫上較遠，與italy株和paderborn株比較接近。 -
Error analysis in fbg ' s differing temperature and strain measurement of reference grating method
參考光柵法分離光纖光柵溫度和應變的誤差分析 -
The reference min - a strain of pseudorabies virus ( prv ) was reproduced by adaption to pk - 15 cell and genome dna was extracted from the harvested infected culture after ultrasonification and centrifugation as template
將收獲的細胞經- 20和37反復3次凍融后，超聲粉碎，低速離心收集上清液，再以超速離收獲病毒。 -
Based on theory analysis and lots of experiment data, converting relation of symmetrical elongation and breaking elongation of testing steel bars have been tropical and the reference to consolidating ductility is provided. at last, in this paper consolidating steel bar ' s ductility by comparing to stress - strain curves of steel bars and is assessed
在理論分析基礎上結合大量試驗數據，回歸出各類試驗鋼筋均勻伸長率_ （ gt ）與斷后伸長率_ 5 （ _ （ 10 ） 、 _ （ 100 ） ）的折算關系，為統一延性評定指標提供參考，進一步比較鋼筋應力?應變曲線和_ （ gt ）值，最終統一評定我國混凝土結構用鋼筋（絲）的延性性能。
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