headward erosion是什么意思

网络释义

用法例句

made the headward erosion of the Yellow River stronger,meanwhile the redistribution of water resource made it down erosion power stronger.

5万a前后的共和运动使得黄河溯源侵蚀加剧,水资源的重新分配,导致黄河切蚀能力加强,并于距今1。

The headward erosion is being cut down by the brooklets along the joints.

有的是沿着节理发育的深切溪沟溯源侵蚀 ,其源头已经伸入到了河流阶地之中 ,使阶地面遭受切割 ;有的是阶地面被数条溪沟分割之后 ,胜似滑坡而非滑坡 ;有的是残积坡积层沿着阶地前缘斜坡的部分均质岩层层面顺层滑落 。

Based on the field survey in the Hukou Waterfall reach of the Yellow River, the headward erosion rates of the waterfall during the different time periods tracing back to about 4000 years were obtained.

通过黄河壶口瀑布河段实地考察和测算，得出了瀑布近４０００年来不同时期的溯源侵蚀速度。

According to the field investigation on Dongzhiyuan, the influence factors of head-cuts are natural and human factors.

黄土高塬沟壑区沟头溯源侵蚀非常普遍,已经对塬面地区的土地、农田、村庄民居、道路和工厂造成了严重的威胁。

This paper investigated the situation of head-cuts in Xifeng area, Ning county and Qingcheng county on Dongzhiyuan.

详细调查了董志塬地区的西峰区、宁县以及庆城县的沟头溯源侵蚀情况,并对近年来发生前进的沟头进行了详细的实地测量和地形地貌特点分析,对董志塬沟头溯源侵蚀整体情况做出概括。

INFLUENCE OF ROCK-SOIL CHARACTERISTICS OF XIGEDA STRATA ON RETROGRESSIVE EROSION

昔格达地层岩土特性对溯源侵蚀的影响

The Research on Erosional Types and Process of Head-cut on Dongzhiyuan of Loess Plateau

高塬沟壑区董志塬沟头溯源侵蚀典型调查研究

Erosion Features of Head-cut and Its Control Measures on Dongzhiyuan of the Loess Plateau

黄土高塬沟壑区董志塬沟头溯源侵蚀特征及其防治途径

sheet erosion (sheet wash)

片蚀, 表土侵蚀, 片状侵蚀

Soil erosion is a main contributor to water pollution.

土壤侵蚀是水污染的一个主要根源。

To erode or be eroded by abrasion.

侵蚀通过磨损而侵蚀或被侵蚀

thermal etching

热腐蚀;热浸蚀;热力学侵蚀;热蚀;热蚀法

Study on Erosion Prevention from Foreign Culture in Construction of Information Resource on Internet;

网络信息资源建设中外国文化侵蚀及防范研究

Simulation experiments on source of eroded sediment from slope-gully systems in Loess Plateau

黄土高原坡沟系统侵蚀泥沙来源模拟试验

Assessment of cost of soil erosion in the water source area of the middle-route of the south-to-north water diversion project

南水北调中线陕西水源区土壤侵蚀损失估算

aggressive water

腐蚀性水;侵进水;侵入水;侵蚀水;侵蚀性水

To lower or wear by erosion or weathering.

侵蚀通过侵蚀或风化降低或磨蚀

To trace the origin or derivation of.

溯源追溯…的源头或起源于…

To trace and state the etymology of.

追溯字的词源追溯、阐述或说明…的词源

To cause erosion or gradual diminishment.

侵蚀，消耗使侵蚀或渐渐减小

The first stage in the erosion cycle.

侵蚀的初期侵蚀圈的第一阶段

glass level cut

液面线侵蚀(熔融玻璃对池壁的侵蚀)

Experimental Study on Evolution Process of Sheet Erosion-Rill Erosion-Gully Erosion and Sediment Yield Process on Loess Hillslope;

黄土坡面片蚀—细沟侵蚀—切沟侵蚀演变与侵蚀产沙过程研究