查询词典 headwater erosion

Scanning electron microcopy observation was employed to investigate its erosion behavior.

通过SEM观察研究其冲依磨损行为，并对AT30（70wt％Al_2O_3－30wt％TiC）和ATC陶瓷的冲蚀行为及冲蚀机制进行了比较研究。

Based on the dry-wet cycling experiment of concrete and micromechanics, the study of mechanical properties of concrete in seawater erosion is carried out.

基于混凝土干湿循环试验和混凝土细观力学，对混凝土在海水侵蚀环境下力学性能的变化进行了研究。

The obtainted quantitatively statistical results of the assemblages of the quartz grain surface textures formed by the chemical erosion precipitation are well correlated to the analytical results of mineral X ray diffraction and micropaleontology and can better explain the changes of sedimentary environment and paleoclimate which the marine zone concerned underwent.

石英颗粒因化学溶蚀－沉淀作用形成的组合表面特征的定量统计结果与矿物的X射线衍射和微体古生物的分析结果相对应，能较好地解释该海区经历的沉积环境和古气候变化。

Theoretical and experimental research of 100 kA microsecond conduction time plasma erosion opening switch.

陈林。100 kA微秒导通时间等离子体融蚀断路开关理论和实验研究。

Methods 411 cases of patients mith cervical erosion were treated with microwave therapeutic apparatus.

对411例宫颈糜烂患者采用微波治疗，微波治疗仪输出电流10～20mA，自动电凝固时间3s。

The main research work is detailed as follows: First, the characteristics of MEDM are mentioned and two basic conditions for achieving MEDM were pointed out, high precision of shaping movement and the minuteness of the erosion.

本文的主要工作如下：首先，根据微细电火花加工过程的特点，指出了实现微细电火花加工的两个基本条件，即：成形运动的高精度和加工蚀除的微细化。

This can provide references for the monitoring of soil erosion modulus in similar construction project.

可为类似项目的土壤侵蚀模数监测提供借鉴和参考。

A field experiment was conducted on loess farmland in Northwest China to test different conservative tillage systems, and to compare them with conventional moldboard plough practice in terms of their effects on runoff and soil erosion.

在黄土坡地建立天然降雨径流小区，采用翻斗式自动测试系统同步动态地监测降雨—径流的过程，试验研究了保护性耕作农田水土保持的效果和耕作、覆盖及压实 3种因素对农田水土流失的影响。

Based on the survey data in recent years, there are five micro-morphological feature parts in the sea bed of Chengdao area, including erosion morphology, sliding extrusion ridge and collapse, remained scarp or monadnock, blocky seafloor, rough and smooth seafloor, etc.

根据多次的调查资料分析，埕岛海域现在的海底上主要存在5种微地貌形态区即冲蚀地貌区、滑动挤压脊和塌陷凹坑地貌区、侵蚀残留岗丘或台地、斑状海底地貌区、粗糙和平滑海底。

D to stop and reverse the process of genetic erosion and spread of monoculture

阻止并扭转基因流失进程与单一栽培的蔓延

The use of the web to spread fears that flicking the switch on the LHC could create a Black Hole that could swallow up the Earth particularly concerned him, he said.

他说，使用互联网散布恐慌说启动LHC会生成一个可能吞噬地球的黑洞的做法让他感到忧虑。

Not a single word have I written down.

我一个字也没有写下来。