查询词典 erosion

Soil erosion is defined as the course of destroying, denudating, moving and depositing of soil and other substances on the ground, under the actions of hydraulic forces, wind, gravity and freeze-thaw.

土壤侵蚀是指在水力、风力、重力、冻融以及其它外营力作用下土壤、土壤母质及其它地面组成物质如岩屑、松散岩层等，被破坏、剥蚀、运转、沉积的过程。

This paper analyzed SEM characteristics, surface roughness and micro-hardness of electroformed composite electrode materials, and studied their electrical erosion resistance .

通过复合电铸技术，在耐电蚀性强的铜主体中引入抗电蚀性能优异的石墨微粉，制备了铜-石墨复合电极材料，探讨了复合电沉积条件与石墨含量的关系，用扫描电子显微镜分析了复合铸层的形貌特点，测定了表面粗糙度和显微硬度，试验研究了复合电极材料的抗电蚀能力。

It's foundation covers thirteen areas and has lost 33 feet of all of its dimensions due to erosion of its marble encasing that once was used to protect the pyramid from the brutal desert elements.

它有13个区域，可因为严酷的风沙不断侵蚀外层的大理石，金字塔已经比最初建造它时矮了33公尺。

The most probable cause of the erosion is the too high speed of the fluid with the entrained metal particles.

最可能的原因就是过高的流体速度，而且流体中还夹带有金属颗粒。

I think we have identified the causes. The most probable cause of the erosion is the too high speed of the fluid with the entrained metal particles.

然而， 经过我们完整的调查和分析，我们认为已经找到了问题的原因，最可能的原因就是过高的流体速度，而且流体中还夹带有金属颗粒。

First, let open channel increases the flow area, the second is to void the erosion of the gas entrained dust.

一是让开通道增大了流通面积，二是避免了气体夹带灰尘的冲刷。

The vegetation roots play a very important role in reducing soil erosion by means of being embedded in, entangled in and enwrapped in soil.

植物根系在土壤中穿插、缠绕和网络，与土壤形成了一种天然的复合材料，对防止水土流失具有重要作用。

And prevent erosion,protecting estuaries is very important.

防止侵蚀，对其保护就非常重要。

No patient had neuropsychological deterioration, nor did any patient show side effects. Three patients were explanted after 2 years due to skin erosion in the trajectory of the system.

患者均无神经心理学病变，也未显示副作用。3例患者因刺激系统导线处皮肤溃烂于两年后移除深部脑刺激系统。

Histological observation showed that degeneration,necrosis of liver cells,edema,extravasated blood,erosion and degranulation of the mast cells in intestine mucosa.

肠谷氨酰胺酶活性降低，肠粘膜对谷氨酰胺利用减少，肠粘膜通透性增加。组织细胞学显示，TAA组动物肝细胞发生严重变性坏死；肠粘膜淤血、水肿、糜烂，肠肥大细胞脱颗粒。

And Pharaoh spoke to Joseph, saying, Your father and your brothers have come to you.

47：5 法老对约瑟说，你父亲和你弟兄们到你这里来了。

Additionally, the approximate flattening of surface strip using lines linking midpoints on perpendicular lines between geodesic curves and the unconditional extreme value method are discussed.

提出了用测地线方程、曲面上两点间短程线来计算膜结构曲面测地线的方法，同时，采用测地线间垂线的中点连线和用无约束极值法进行空间条状曲面近似展开的分析。