yield-stress ratio

The experimental results show that, a tensile overload was followed by higher fatigue threshold and higher overloading ratio and lower material yield strength accompanied higher fatigue threshold.

实验表明：四种组织过载后疲劳门槛均会提高，其幅度随过载比的加大和材料屈服强度的降低而增加；

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The effects of the kind and dosage of dehydrating agent, the mole ratio of acid to alcohol, reaction time on conversion, yield and purity were studied.

所得主要结论性成果如下：1.在丙烯酸和二乙二醇单甲醚进行酯化制备MOEOEA的过程中，考察了共沸剂种类及用量、酸醇摩尔比、酯化时间对转化率、产物收率及纯度的影响。

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The yield ratio of Mozzarella cheese is 12.38% which meets the standard of the same-type cheese.

Mozzarella干酪的实际产率达到12.38%，达到了同类型干酪的产率要求。

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Methyl Acrylate yield of over 98% was obtained under the optimized reaction condition of methanol/ crylic acid ratio of 1.15:1 with with 5.56 wt% catalyst added in the alcohol and acid mixture and reaction time was 55 min.

最佳条件为：甲醇与丙烯酸的物质的量比为1.15∶1，催化剂用量为醇和酸总质量的5.56%，反应时间为55min，丙烯酸甲酯收率可达98%以上。

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The result indicated that basic fertilizer and tillering fertilizer pro ratio 3 ∶ 3 can achieve the best result which is many tiller and Glumales, high yield and thousand kerner weight.

结果表明，施用化肥时，基、蘖肥比例3∶3施法分蘖多、颖花多、结实率和千粒重高、产量高，效果最好。

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