水库

Pond smelt ; reservoir ; behaviors ; population structure.

池沼公鱼；水库；活动规律；种群结构

The water quality state was evaluated with Shannon-Weaver index and some indicators of periphyton, and results showed that the nutrient type of Daoguanhe Rerservoir was mesotrophic type, and it had a tendency to develop to the eutrophic type.

依据周丛藻类多样性指数及周丛生物某些指示种类评价该水库水质状态，判定为中营养型，并有向富营养级演化的趋势。

On the basis of the internal force and deformation formulas of straight and curved elastic foundation beams,a program is organized and applied to structure stress analysis of the reinforced concrete bifurcation pipes of the underground penstocks in Panshitou Reservoir.

根据弹性地基直梁和圆弧曲梁内力和位移的计算公式，编制了相应计算程序，并应用于盘石头水库电站输水隧洞岔管的结构分析。

The oil pump control system of governor oil pressure unit at power plant of Naban reservoir was modified with contact-free,soft start,intelligent pressure control unit,which not only remove the defects from traditional oil pump motor control mode consisting of relay and contactor,but also upgrade the control automation degree,improve starting performance and permit convenient operation.

通过利用无触点的智能软启动压力控制装置对那板水库电站调速器油压装置油泵控制系统的改造，解决了油泵电动机采用传统继电器———接触器控制方式所存在诸多缺陷，提高控制的自动化程度，改善启动性能，方便操控，经过3年多的应用，运行良好，为水电站的调速器油压装置油泵控制提供了一个好的借鉴。

Compared with things of the Miyun reservoir, the electrons and vacancies trapped in otoliths of the Baiyangdian Lake are more likely to escape.

分析还表明白洋淀鱼耳石在不同温度下的电子和空穴的逃逸几率均大于密云水库。

The result showed that, the carp otoliths of Heilongjiang Lianhuan Lake and Beijing city Miyun Reservoir has the ball aragonite and the column aragonite two kind of crystal types. The characteristics has relation to the average temperature and the difference in temperature of the water.

研究结果初步显示：黑龙江连环湖和北京密云水库两水域的鲤鱼耳石中分别具有球文石和柱文石两种晶体类型，这与水体的平均温度及昼夜温差有关。

This paper related to a study of removing nitrites contained in micro-polluted source water of a reservoir in Beijing.

采用生物接触氧化法对北京某水库的微污染水源水进行了去除NO2-—N的试验研究。

The objective standards of the EST risk assessment include pipe buried depth, frequency of going on a tour of inspection, amount of cars or trains to get by, thickness of the pipe or tank, occupied rate of the earth's surface on the pipe, depth of the corrosion pit, working time, soil resistively, MAOP, soil I〓, accident frequency, current velocity of river water, cutting down rate of the riverbed, fallback rate of the river bank, distance of the upper reservoir, criminal rate, attaining goal rate, reliability level, GDP, population amount, combustibility N〓, toxicity N〓, long-term danger RQ and so on.

专家评分法的客观性指标有管道埋深，巡线频率，日车辆通过数量，管道和罐的厚度，管道上方地面被占用率，腐蚀坑深度，服务年限，土壤电阻率，最大操作压力，土壤塑性指标I〓，事故频率，河水流速，河床下切率，河岸后退率，上游水库的距离，犯罪率，达标率，可靠度，国民生产总值，人口数量，易燃性N〓，毒性N〓，长期危险性RQ等。

Two kinds of additives for water reduction and quick coagulation are used in the Dahuofang reservoir's water distribution project.

在大伙房水库输水工程中使用的外加剂主要包括减水剂和速凝剂两种。

The intercooler reservoir has more than twice the volume of previous generations, and the intercooler itself is a single core cross-flow radiator which means more efficient cooling.

的中间水库的两倍多数量的上一代，和中间本身是一种单核心横流散热器这意味着更有效的冷却。

As she looked at Warrington's manly face, and dark, melancholy eyes, she had settled in her mind that he must have been the victim of an unhappy attachment.

每逢看到沃林顿那刚毅的脸，那乌黑、忧郁的眼睛，她便会相信，他一定作过不幸的爱情的受害者。

Maybe they'll disappear into a pothole.

也许他们将在壶穴里消失