查询词典 yield strength

Density has great effect on yield of root tuber, but its exhibition on colony and individual plant is different. It was shown that there was a negative correlation between the individual yield and density, while a positive correlation between the colony yield and density.

结论密度对白首乌产量性状影响较大，但在群体和个体上表现不同，与个体块根产量呈负相关，与群体根的生物产量呈正相关。

But the rhizosphere effects on spring-sown maize and summer-sown maize were quit different. At level of N1 and N2, rhizosphere effects had decreased the dry matter, grain yield, crud protein yield and crud fibre yield, while increased the grain starch content and the ratio of amylopectin to amylase.

两个氮水平下，根际作用对春玉米生物产量、籽粒产量、粗蛋白产量、粗纤维产量表现负效应，而对籽粒淀粉含量、直链淀粉含量、支链淀粉含量及支/直则为正效应。

Reaction of citric acid with paraformaldehyde gave anhydromethylene citric acid with a yield of 63%;the reaction of compound with acetic anhydride gave the corresponding anhydride with a yield of 87%;the esterification of compound with lauryl alcohol gave anhydrocitric acid monoester with a yield of 76%.

将等浓度的柠檬酸和多聚甲醛加热，反应生成柠檬酸缩醛环酯，产率为63%；与乙酸酐反应得到相应的柠檬酸酐，产率为87%；与月桂醇酯化，生成产物，产率为76%；用二氧六环做溶剂，将与等浓度的碱进行开环反应，生成柠檬酸月桂醇单酯，产率为83%。

Based on the complex potential method about the plane theory of the elasticity of an anisotropic body, stress distributions in the plate with multiple cracks are obtained by using the conformal mapping and the Faber series expansion. The equivalence yield stress considers the effect on plastic zones. The Swift strip yield criteria is used to predict the residual strength of plate containing multiple collinear cracks.

采用各向异性体平面弹性理论中的复势方法，应用保角映射技术和Faber级数展开，导出在任意载荷作用下多裂纹板应力场的级数解，引入当量屈服应力修正裂尖塑性区，并利用Swift韧带屈服准则建立含共线分布多裂纹结构的剩余强度分析模型，计算结果与试验结果吻合较好。

The indentation loading curve with a spherical diamond tip was employed to determine the yield strengths and hardening indices of Cu films which were prepared on silicon substrates by different ways with the same thickness of 1. 5μm. The result showed that the yield strength of the Cu film depends on the deposition technology, and is much higher than that of the bulk material.

结果表明，在薄膜厚度相同的条件下，铜膜的屈服强度与铜膜的制备方法有关，选择IBED法较MS法可获得更高的屈服强度〓此外，由两种方法所镀制铜膜的屈服强度均远高于其体材，这与铝膜的情况相一致，说明薄膜与整体材料在强度方面存在显著差异的结论具有普遍性。

Yield Strength Many materials do not have a yield point.

许多材料没有屈服点。

Such high strength steel usually yield gradually but have no yield plateau .

这类高强度钢筋通常是逐渐屈服的，没有屈服平台。

This paper makes the optimum autofrettage analysis of thick-walled cylinder of the material with different yield strength in tension and compression base on the Mohr's yield criterion.

本文运用莫尔屈服准则对承受内压的拉压屈服强度不同材料的厚壁圆筒进行了自增强分析，得到了依赖于材料拉压比的厚壁圆筒的最佳弹塑性界面半径、最佳自增强内压。

The slump and the time of slump are tested through the method of slump test, and the properties of concrete are calculated and analyzed. The study denotes that for C20 grade concrete, the value of the shear yield stress σ0 and plastic viscosity η is the smallest when the fly ash contains 20% weight of Portland cement; for C60 strength grade concrete, the value of plastic viscosity is the smallest when fly ash contains 20% weight of Portland cement and the value of the shear yield stress σ0 is the smallest when fly ash contains 30% weight of Portland cement.

利用改良坍落度筒的实验方法对坍落度和坍落时间进行测试，并进行相应的计算与分析，实验结果表明：强度等级为C20的混凝土，粉煤灰掺量为20%时粘度和屈服应力值最低；强度等级为C60混凝土，粉煤灰掺量为20%时，其粘度最低，而屈服应力值在粉煤灰掺量为30%时最低。

FIGS. 1 and 2 show the influence of billet temperature and time on ultimate tensile strength and tensile yield strength.

图1和2示出了坯料温度和时间对极限拉伸强度和拉伸屈服强度的影响。

As a dominant party,CPC government should play a guardian,supervisee and guarantee role to overcome all the difficulties in the development of charitable cause and bring it into full play in the establishment of harmonious society on policies and regulations basis.

在中国共产党的文献中第一次把发展慈善事业提到&最广泛最充分地调动一切积极因素，不断提高构建社会主义和谐社会的能力&的高度来认识。近年来，社会学界对慈善事业的理论专著发表较多，有鉴于此，笔者不揣浅陋，谈谈自己的认识和见解。

Flow through the land, the land of the scale of operation allows the effectiveness of the land may be raised.

通过土地的流转，土地的规模经营可以让土地的效益得到提升。