但是最大的原因是在1837年由小石头和木材构建的爱德华兹水坝，它被用来水力发电，水坝阻拦了鱼群到达它们的产卵地。
But the biggest culprit was the Edwards Dam — a small stone-and-timber structure built in 1837 for hydropower generation that blocked the fish from reaching their spawning grounds.
其部分原因在于，魁北克得天独后地可以利用水力发大量的电，其供电量大到在满足其自身需求之后还有剩余，可以向安大略省以及美国东北部出口。
That is partly because of Quebec’s good fortune in generating so much hydroelectricity that it exports its surplus to Ontario and to north-eastern United States.
他还补充道水力发电经营，矿产和其他人类活动正侵占驯鹿的栖息地。
He added that hydropower operations, mining and other human activities are additionally taking over caribou habitat.
同时，陆地上的主要威胁来自于水力发电。
Karimabad像其它很多聚居地一样，依赖附近冰川上的融雪来推动水力发电。
Karimabad, like many other settlements, relies heavily on melt water from the nearby glaciers to provide hydro-electric power.
孔隙压力也强烈地影响地层中的(多达50%)的应力状态，并针对设计水力压裂处理而言是一项重要信息。
The pore pressure also strongly influences the state of stress in a formation (by as much as 50%) and is therefore a critical piece of information for designing hydraulic fracturing treatments.
还进行了为期21天的连续过滤试验，发现滤床在高水力负荷条件下能持续地去除景观水中的磷。
In column experiment during 21 days, it was observed that the granulated fly ash could continuously remove the phosphorus under high hydraulic loading rate.
进水流道水力设计优化可有效地改善进水流道出口流态，确保水泵有良好的进水条件，大幅度提高水泵装置效率。
The optimal hydraulic design can effectively improve the outlet flow pattern of suction box to ensure better flow conditions for pump and raise the efficiency of pumping system substantially.
安装一个电导体或水力导管将进一步地提高挠性管柱的性能，并使相对复杂的采油井下工艺措施技术能安全地被使用。
Installing an electrical conductor or hydraulic conduit further enhances the capability of a coiled tubing string and enables relatively complex intervention techniques to be applied safely.
空气核的稳定性极大程度地影响着水力旋流器的有效分离。
The influence of air core on separation performance of hydrocyclones was deeply analyzed.
以矩形槽为例，分析求解渡槽最优纵坡，提出了渡槽最优水力要素的计算步骤和计算方法，所推导公式的方法同样适应于淤地坝无压输水涵洞、暗渠等类似工程。
In this paper, taking the rectangular aqueduct as the example, based on the analysis of the optimal solution aqueduct, the calculation steps and method of the optimal hydraulic elements are proposed.
用于水力压裂设计的一个分析参数。在闭合压力下，当在适当位置没有支撑剂的情况下，裂缝有效地闭合。
An analysis parameter used in hydraulic fracture design to indicate the pressure at which the fracture effectively closes without proppant in place.
本文概括地综述我国通航水力学历史与研究现状。 对通航水利枢纽布置上航道水力学问题；
In this paper, the history of navigation hydraulics and the existing state of the study in our country are generallg presented.
为了快速、有效地消除煤巷掘进工作面的突出危险性，结合六矿煤层赋存特点，采取水力挤出消突措施。
In order to removing tunneling working surface outburst quickly and effectively, combine the Six Mineral coal beds characteristics, hydraulic pressing are taken to remove outburst measure.
被要求成功地进行水力压裂作业的人员的集合术语。
Collective term for the personnel required to run a successful hydraulic fracturing operation.
该系列泵由于采用了高效节能的优秀水力模型，因此具有效率高，性能范围广等优点，更好地满足了用户的使用要求。
Thanks to the advanced energy-saving hydraulic model, it is featured by high efficiency and wide performance range to better meet the operating requirements of users.
模型试验表明本方法可以比较准确地反映这种窄缝挑坎的水力特性，试验结果与计算结果基本一致。
Hydraulic model tests have showed that the devised method describes the hydraulic characteristics of the bucket well, and the computational results agree with those measured.
加大堆芯出口水力提升段的质量惯性能有效地抑制可压缩性密度波振荡，提高系统的稳定性。
By increasing the inertia of riser in the core outlet, the compressible density wave oscillation can be suppressed effectively and the system stability can be enhanced.
看着那么多的水力量十足地流过边缘，迅速地降落到底部，我觉得很震惊。
I was shocked at the shear volume and power of the water as it flows over the edge and how quickly it settles once at the bottom.
采用正交试验设计，系统地研究了水力旋流器流场结构对其能量耗损的影响。
The influence of the structure of flow fields of a hydrocyclone on energy consumption was systematically studied by using an orthogonal design.
一旦某一地区对水力资源的需要量超过水利资源的供应量，人们就得为使用水利资源支付等价物。
When more water power is wanted in a particular district, than there are falls of water to supply it, persons will give an equivalent for the use of a fall of water.
本文较系统地介绍了三向电阻网渗流模型试验原理及其实际应用，提出了较合理的模型电阻计算方法和测试技术和水力坡降计算公式。
The paper describes systematically the principles of the model test techniques using the electric-resistance networks to simulate the three-dimensional seepage problems and its practical applications.
这一系统成功地应用于指导沁水盆地潘庄区块煤层气垂直井的现场水力压裂施工设计。
The system was successfully applied to guide the design of the site hydraulic fracturing operation for the coal bed methane well in Panzhuang Block of Qinshui Basin.
设计了一种在旋流器轴心线位置具有中心固棒的新型水力旋流器，该中心固棒的引入有效地消除了旋流器内的中心空气柱。
A new hydrocyclone was designed with a solid core fixed along the central axis in this study. By introducing the solid core, the air core inside the hydrocyclone could be eliminated effectively.
文摘：通过水力学模拟六流连铸中间包后发现，原设计的中间包在夹杂物的上浮及温度的均匀性方面还存在不足，不能很好地满足生产工艺要求。
Abstract: Water modeling of the six-strand caster tundish shows that the original design of the tundish can not meet the technical requirements for inclusion floatation and temperature homogenization.
文摘：通过水力学模拟六流连铸中间包后发现，原设计的中间包在夹杂物的上浮及温度的均匀性方面还存在不足，不能很好地满足生产工艺要求。
Abstract: Water modeling of the six-strand caster tundish shows that the original design of the tundish can not meet the technical requirements for inclusion floatation and temperature homogenization.
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