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- soil secondary shear surface 土壤副剪切面
- A nother two expressions of the torsional stiffness matrix, taking into account the effect of the secondary shear stress, have been introduced. 介绍了另两种可统一考虑二次剪应力影响的扭转刚度矩阵表达式。
- The shear zone boder and the belt of the transition between the secondary shear zones where the stress gradient changed greatly are f. 成矿的有利部位是剪切带的边缘及次级剪切带问的过渡地带,它们是剪切带内应力梯度变化大的地带。
- Steel cutting surface or shear surface should have no cracks, slag, stratification and the lack of greater than 1 mm Prism. 钢材切割面或剪切面应无裂纹、夹渣、分层和大于1?的缺棱。
- Results of the study showed that soil secondary salinization would not have happened if the soil had been ameliorated and managed in a scientific way. 研究结果表明,如果管理科学或进行土壤改良不会发生土壤次生盐渍化。
- The irrigation area of Alar, located at the upper reaches of Tarim river, is one of the cotton area production and markedly affected by soil secondary Saline-alkalization. 摘要土壤次生盐渍化是制约阿拉尔灌区农业生产发展的关键因子。
- The irrigation area of Tarim, located at the upper reach of Tarim River, is one of the producing area of cotton and markedly affected by soil secondary saline-alkalization. 摘要土壤盆碱化和次生盐渍化是威胁塔里木灌区农业生产的主要因素之一。
- The result indicates: when the weakly secondary shear grows (decays), the maximum value of the perturbation kinetic energy also grows (decays), and the change of the energy accelerates (slows). 结果表明:当环境流中弱二次切变强度增加(减少)时,扰动动能的最大值增加(减小),扰动动能的变化加速(减速);
- The prevention and suggestion is brought up, it is important for a good drain system for preventing soil secondary salinization, it can lowerer the underground water lever and ejecter the soil salt in order to adapt to douche and drain. 为了防止土壤次生盐渍化,良好的排水系统是非常重要的,它可以降低地下水位和排出土壤盐分,做到灌排配套。
- The shear strain decreases with the increase of the distance to the sheared surface. 剪应变随与剪切分离面距离的增大而减小;
- the maximum cyclic shear surface 最大往返剪切作用面
- The variations of the cutting tools radii do not show any significant effect on the shearing surface quality in this study. 对于冲头 - 冲模刀刃的钝锐参数是否对剪断面品质的影响程度,在本次实验条件范围内并不明显。
- The effect V-ring indenter on the sheared surface in the fine blanking of shifting fort is investigated by means of finite element method. 使用有限元分析法对拨叉零件的精冲过程中V形齿圈对冲剪面的影响进行了研究。
- Analysis for the results consider that the main reason of edge crack is the stress concentration produced by shear bow and barbs on original shearing surface and improper re-working process. 剪切间隙、重叠量调整、剪切温度、剪切力、剪切量等因素都影响钢板的剪切质量。
- Some plants push their roots deep into the soil. 一些植物的根深深长入土中。
- Such crops won't grow in limy soil. 这类作物不能在石灰质的土壤中生长。
- What shall we grow in this alkaline soil? 我们应该在碱性土壤里种什么?
- There are a lot of worms in the soil. 泥土中有许多蠕虫。
- Soil Secondary Salinization and Its Forecast in Waste Material Processing Place 纳污场引起的土壤次生盐碱化及其预测
- Water has permeated (through) the soil. 水已渗遍那片土壤。