查询词典 erosion

The experimental results show that the erosion behavior is similar to that of brittle ceramic materials while the maximum erosion is found to occur at a jet angle of 90 degrees. The successive spalling of splats ...

结果表明：Cr3C2 NiCr涂层的冲蚀磨损呈现脆性材料的冲蚀磨损特征，在 90°冲蚀率最大；磨料冲击引起的裂纹沿涂层内粒子界面萌生、扩展并最终导致粒子剥落，是涂层主要的冲蚀磨损机制。

Meanwhile, it is also illustrates that the smaller chromium carbides have less restriction to formimg thin splats than larger ones, which beneficial to limit the size of pieces removed by impact of the sand particles, and the higher volume fraction of small chromium carbide may effect the erosion through enhancing interlamellar bonding of the splats which leads to increase the erosion resistance of the coating.

揭示了细小碳化物颗粒有利于获得扁平粒子厚度较小的涂层结构，可减小涂层冲蚀磨损过程中每次剥落的体积；较高含量的细小碳化物颗粒有利于提高涂层扁平粒子间的结合，从而提高涂层抗冲蚀磨损性吉臣。

The real-time, fast, and accurate measurements of sediment and flow rate can help to understand the dynamic soil erosion processes and to automate the monitoring practice of water loss and soil erosion.Volumetric or oven-dry method has long been the standard method for determining sediment concentration.

坡地径流全过程含沙量和径流量的连续、快速、准确和动态监测，为研究土壤侵蚀动态力学过程提供重要的参数，同时使水土流失动态监测网络向自动化和智能化过渡。

In water erosion area, soil erosion is caused by the several few heavy rainfalls.

在水蚀区，土壤侵蚀主要由少数几次暴雨所引起。

Then, the method to estimate cavitation erosion characteristic of high pressure piston plunger pump by analyzing impingement angle on outlet of throttling groove is put forward. That is, to hold the impingement angle range of 30°～60°as appraisal criterion of cavitation erosion characteristic on high pressure hydraulic plunger pump.4 The throttling characteristic of hydraulic control valve is studied by CFD calculation and experiment.

最后，提出了一个通过分析节流槽出口处的射流方向来评价高压轴向柱塞空蚀特性的空蚀评价方法，即将节流槽出口的射流角范围30°～60°作为评价高压轴向柱塞泵空蚀特性的标准。4对液压控制阀的节流特性进行了CFD数值计算和试验研究。

The throat floater in horse-shoe flame tank furnace is susceptible to erosion of glass fluid and the service life is shortened by the erosion.

马蹄焰窑炉流液洞挡砖易受玻璃液流冲刷侵蚀，使用寿命缩短，为延长其使用时间，需对其进行冷却。

To discuss the mechanism of controlling soil erosion by wind with standing crop stubble, combined the wind tunnel experiment with field experiment, the influence of soil erosion by wind on standing crop stubble under no-tillage practices was analyzed.

为了探讨直立作物残茬防治农田土壤风蚀发生的机理，该文利用风洞试验和野外观测相结合的方法，分析土壤免耕条件下直立作物残茬对农田土壤风蚀的影响。

It is advanced farming technology which through the implementation of reduced tillage, no-tillage technology, using crop stalks stubble ground cover to reduce soil water erosion, wind erosion, so as to enhance the capacity of soil fertility and drought-resistance .Function and role of conservation tillage technology have been proved by practice.

保护性耕作技术是相对于传统耕作的一种新型耕作技术，起源于19世纪末的美国，通过对农田实行少耕、免耕技术，尽可能用农作物秸秆、残茬覆盖地表，以减少土壤水蚀、风蚀，从而提高土壤肥力和抗旱能力的先进耕作技术。

Results showed that soil and water loss was serious, and soil erosion modulus was about 32 360 t/(km^2a) on spoil ground. Moreover, distinct gully erosion was observed on the slope.

结果表明，弃土场水土流失剧烈，侵蚀模数平均为3.24×10^4t/，边坡沟蚀现象明显。

Therefore, the resonant cavity that is composed of porous structures produced by wind erosion, water erosion, chemical dissolution and gel of SiO2 is vital to sound-producing of booming dune.

因此自然沙粒表面由风蚀、水蚀、化学溶蚀及硅凝胶沉淀等多种因素所形成的多孔状结构所构成的共鸣腔，是鸣沙发声的关键所在。

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。