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Utilizing the expression of maximum deviatoric stress yield rule on π plance and the relationship betwen π plane and principal stress this paper deduces and examines the shape and position of maximum deviatoric stress yield rule on π plane and the relation to Mises circle and Tresca hexagon .

利用π平面与主应力空间的关系及最大偏应力屈服准则在π平面上的表达式，推导验证最大偏应力屈服准则在π平面上图形的形状、方位及其与Mises圆和纯拉伸Tresca六边形的关系。

Based on the description of Mohr-Coulomb and Drucker-Prager yield criteria with invariant of stress, a formula for error estimation of unit strain energy between the two stress states is established in the deviatoric plane of the principal stress space, which satisfies M-C and D-P yield criteria respectively. A general procedure to transform M-C material parameters to D-P analysis parameters is obtained.

基于应变比能的概念，在偏平面内建立了分别进入Mohr-Coulomb和Drucker-Prager屈服面时所需形状改变比能的差值公式，获得M-C材料参数向D-P计算参数等效的统一性方案。

In this paper,a probability space is introduced to describe IC yield optimization problem,and the probability measure of the feasible region is employed to indicate the yield The weighted Monte Carlo method is snitable in the early optimizzation stage,while the improved SA algorithm is more efficient in the final stage.

本文引入了一个概率空间来描述集成电路合格率优化问题，并将合格率表示为可行域的概率测度。所提出的变权重MonteCarlo法适合于合格率不太高的场合，而改进后的SA算法则适合于合格率比较高的场合。

We prepared the pyrethric acid II through four reactions: esterification, oxidation, decomposition, diesterification. And the original synthesis route of the pyrethric acidII was improved: the yield of oxidation of allyl rise through increasing the activity of Selenium dioxide; in the document, tert-butyl-trans -2, 2-dimethy1-3-(2"-methoxycarbony1-1"-propenyl)cyclopropanecarboxy late was synthesized from tert-butyl-trans-2,2-dimethyl-3-(2 -formyl-r -propenyl) cyclopropanecarboxylate with two steps, with low yield.

我们经过酯化，氧化，成双酯，热分解四步反应，成功地得到了第二菊酸，并改进了原第二菊酸的合成路线：通过改变二氧化硒的活性提高了烯丙甲基的氧化产率；将原路线中醛氧化成羧酸、羧酸酯化的两步反应改为醛和甲醇、二氧化锰等作用一步直接酯化的方法，减少了反应步骤，提高了总收率。

Results The corrected yield was about 65% and radiochemical purity was over 99%.The rudimental water in reaction system affect the yield of 18F-FDG.

结果 Explora FDG4合成效率65%，18F-FDG放化纯度99% 18F-FDG其他指标符合药典质量要求，反应体系中残留的水等影响合成效率。

The results showed that,the relationship between the relative biomass or grain yield and the soil moisture,or the relationship between the relative biomass or grain yield and the water consumption in the simulation experiment under rainproof shelter in field ;and the re...

结果表明，无论是模拟土柱试验中，相对生物量、相对经济产量与土壤水分保证率之间的关系，或者相对生物产量、相对经济产量与相对耗水量之间的关系；还是大田小区试验中，玉米产量与耗水量之间的关系，或相对产量与相对耗水量之间的关系，它们都遵循如下抛物线变化规律：y＝ax2＋bx＋c，a、b、c为待定常数。

In the test with randomized block arrangement, 31 female varieties of G. biloba and 4 male types of single plant clone were used to study the leaf yield traits and its relativity with leaf yield, leaf flavone and lactone contents.

方法］采用31个银杏雌性品种和4个雄株类型的单株无性系，随机区组排列，研究叶产量性状及其与叶产量的相关性，叶黄酮、内酯含量。

The results showed that the main rice yield on nitrogen applied, planting density, reciprocity nitrogen applied and planting density was best remarkable and the ratoon rice yield was not remarkable.

结果表明：头季施氮量、栽培密度、施氮量与栽培密度互作对头季稻产量差异极显著，但对再生季产量差异不显著。

The yield and sugar of 14 varieties from 5 sites of the Yunnan regional trials in 2004-2006 (2 years of planting and 1 year of ratoon crops) were analyzed using additive main effects multiplicative interaction model and its biplot, stability of varieties parameters represented by D(subscript i, mean yield and sugar and their D values.

利用AMMI模型及双标图、D以及相应表现型值与D值的聚类分析，对2005-2006年14个甘蔗品种云南5个试点的2年新植1年宿根甘煎品种区域化试验蔗茎产量和蔗糖分进行基因环境互作研究分析。

Results from two crops of plant cane and one crop of ratoon cane on five locations showed that YT96-86 was 16.95% and 6.23% higher in cane yield, and 18.73% and 5.33% higher in sugar yield than ROC10 (CK1) and ROC22 (CK2) respectively.

2004～2005年在广东蔗区对5个甘蔗新品种进行区域化试验。5个试验点2年新植1年宿根的试验结果表明，粤糖96-86分别比ROC10和ROC22增产16.95%和6.23%，增糖18.73%和5.33%；粤糖95-168分别比ROC10和ROC22增产19.93%和8.93%，增糖17.10%和3.88%。

Metrorrhagia is also gynaecological problems of common diseases.

崩漏是妇科常见病也是疑难症。

WordFTP gives you the convenience and timesaving you need.

wordftp让您的方便和省时您所需要的。