It was found that the development of the power stations caused serious pollution, water eutrophication, river flow cutoff and other negative effects.

The Affection and Countermeasures of the Yellow River Flow Cutoff to the Lower Reaches The Yellow River' Break

黄河断流对下游地区的影响及对策

Ased on type selection of stilling basin for the river cutoff project in Lishi county, slope types of stilling basin are presented in this paper.

结合山西省离石县改河扩城工程中消力池的选型试验，提出了几种消力池体型。

Type selection and design of stilling basin in river cutoff project in Lishi county, Shanxi province

山西省离石县改河扩城工程中消力池选型及其设计

Application of Vibration Shaking Grouting Board in the Project of Yellow River Cutoff Seepage Wall

振孔摆喷板墙在黄河截渗墙工程中的应用

Environmental geologic effects caused by the Yellow River cutoff in its lower course

黄河下游断流问题的环境地质效应分析

The basic way of bring the Yellow River cutoff under permanent control

根治黄河断流的基本途径

Numerical Computation of Cutoff Wavelength of the Dominant Mode in Asymmetric Single Ridge Waveguide

非对称单脊波导主模截止波长的数值计算

The cutoff wavelength and approximate solved fields of a cam rectangular waveguide

圆突-矩形波导中截止波长及场的近似解

The Calculation of the Higher Order Modes Cutoff Wavelength in TEM Cells with TLM Method

用TLM方法计算TEM小室高次模的截止波长

Fundamental mode cutoff wavelength measurement of single polarization single Mode optical fiber

单模单偏振光纤基模截止波长的测量

The numerical calculation methods of the cutoff wavelength and mode field diameter are described in detail.

给出了数值计算截止波长和模场直径的方法；

Theoretical calculation of cutoff wavelength and attenuation constant in elliptic waveguides

椭圆波导的截止波长和衰减常数的理论计算

The effects of the Jibbs'phenomenon and the phase property of the digital filter on the edges of cutoff signal with limited time domain after filtered is studied.

研究了截断信号边界的吉布斯现象及数字滤波器相位特性对有限区间信号滤波处理的影响。

Danger of injury and material damage due to incorrect handling of cutoff relay!

切断继电器操作不正确会造成人身伤害和材料损坏！

In catalyzer plant, it's very important to select the discharging cutoff valve for solid.

在催化剂生产中，固体原料的卸料切断阀的选择十分重要。

The electric workers said the power company should not be used as a tax collector, with customers threatened with a power cutoff if they don't pay the tax.

电力公司员工说，电力公司不应该被当作收税机构。用户被威胁如果他们不缴纳财产税，他们家中的电力就会被切断。

For a given input power, the cutoff spatial frequency, the fastest growing frequency and the maximum perturbation growth, in an amplifying medium, increase with the increase of the gain of the medium and propagation distance.

主要是在一定的输入功率下，小尺度调制增长的临界频率、最快增长频率及其对应的最大增益（B积分）均随介质增益或传输距离的增大而增大；

This paper presents a compact microcomputer system having the functions of self-diagn osis, self-restoring and the ability of protection for power cutoff.

本文介绍的专用微机系统结构紧凑，具有自诊断和自恢复功能，并有掉电保护措施。

The base and emitter transit time increase and the cutoff frequency decreases at low temperature due to the trapping effect of shallow energy level impurities.

而由于浅能级杂质的陷阱效应，低温下基区和发射区渡越时间变长，截止频率下降。

A study of cutoff properties of low permeability reservoirs

低渗透油层物性下限研究