In order to reach the aim of the lowest loss water of main reservoir, the best dispatching problem is drawn and come to a conclusion.
依此作为约束条件,以主库弃水量最小为目标,提出了北大港水库优化调度的问题,并予以求解。
The experimental results show that the latex cement system has a good overall performance, including low loss water, less free fluid, thickening time easy to control, and good rheological property.
实验结果表明,该胶乳水泥浆体系具有良好的综合性能,失水量低、游离液少、稠化时间易于调控、流变性好等。
Even in the areas that retain a soil cover, the reduction of vegetation typically results in the loss of the soil's ability to absorb substantial quantities of water.
即使在保留土壤覆盖的地区,植被的减少通常也会导致土壤丧失吸收大量水分的能力。
The gradual drying of the soil caused by its diminished ability to absorb water results in the further loss of vegetation, so that a cycle of progressive surface deterioration is established.
土壤吸收水分的能力减弱使土壤逐渐变得干燥,导致植被进一步减少,从而建立了一个渐进的地表退化循环。
We fear the breakdown of the electric grid, the end of non-renewable resources, the expansion of deserts, the loss of islands, and the pollution of our air and water.
我们担心电网会崩溃、不可再生资源会枯竭、沙漠会扩张、岛屿会消失、空气和水会受到污染。
Immersion in cold water resulted in rapid loss of heat.
浸泡在冷水中导致热量迅速散失。
The removal of dams remains controversial because of high restoration costs, loss of low-cost electricity, and the loss of water storage facilities.
大坝的拆除仍然存在争议,因为高重建成本,损失低成本电力,以及损失蓄水设施。
Desertification is accomplished primarily through the loss of stabilizing natural vegetation and the subsequent accelerated erosion of the soil by wind and water.
起到稳定作用的自然植被不断减少,随后土壤受风雨的侵蚀加速,就成为了沙漠化的主要成因。
However, with climate change, loss of water resources and the growing ascendancy of Asia's populous nations one thing is clear.The era of cheap food is definitely over.
然而,随着天气变化无常,水资源流失和亚洲密集人口国家成长起来,有一件事是可以确定的:廉价食品时代显然已经远去了。
However, with climate change, loss of water resources and the growing ascendancy of Asia's populous nations one thing is clear. The era of cheap food is definitely over.
然而,随着天气变化无常,水资源流失和亚洲密集人口国家成长起来,有一件事是可以确定的:廉价食品时代显然已经远去了。
Food loss and waste are also a major squandering of resources - water, land, energy and Labour - and contribute to greenhouse gas emissions.
食品的损失和浪费也是对主要的资源的浪费——水、土地、能源和劳动力——而且还会增加温室气体的排放量。
The melting has been recorded since 1979; scientists put the annual net loss of ice and water from the ice sheet at 300-400 gigatonnes, which could hasten a sea level rise of catastrophic proportions.
自1979年以来,融冰已经记录在案;科学家们估计每年冰的净损失以及冰盖融水达300-400千兆吨,这有可能促使海平面上升、足以引发灾难。
The most serious threat, however, is the loss of warm water due to habitat loss.
而最严重的威胁是温水的减少导致的栖息地流失。
The difficult problem that still awaits an answer is how to get higher yields from food crops without a commensurate rise in the loss of water through evapotranspiration.
困难的问题是,仍在等待怎样获得与蒸散而损失的水相对应的食用作物产出。
The only appreciable loss of niacin occurs when it leaches into cooking water.
当溶入烹调水中,仅烟酸的损失发生。
Internal emergencies in health facilities - such as fires and loss of power or water - can damage buildings and equipment and affect staff and patients.
卫生机构内的紧急情况,如火灾、断电或停水,会损坏建筑和设备,并影响到医护人员和患者。
One major problem with conventional "horizontal" farms is loss of water to runoff.
传统“水平”农场的水流失是一个重要问题。
Steam and water continues to be released through the PORV, creating a LOCA (loss of coolant accident).
蒸汽和水通过减压阀持续释放,造成失水事故。
Preparing food after an earthquake may be complicated by damage to your home and loss of electricity, gas, and water.
地震后,房屋被破坏和电力、燃气和供水中断,准备食物会变得更加复杂。
Considering the magnitude of the displacement, the performance of the dam was quite remarkable. It did not fail as indicated by the definition of failure as a complete loss of the reservoir water.
从位移的严重程度角度考虑,大坝受到的影响非同寻常,整个库区的蓄水全部损失,所以它不仅仅是一个大坝的摧毁。
Ecological conditions will improve with the increase in land under vegetative cover and reduced soil and water loss.
生态环境也会随着植被面积扩大和水土流失减少而得到改善。
Zijin said it regrets the fish deaths and 'certain economic loss, ' but said water 'usage' downstream is unaffected.
紫金矿业表示,对鱼的大批死亡和导致的“一定经济损失”表示遗憾,但下游用水没有受到影响。
There can still be warm water in the tank for several days after a loss of power.
即使是停电了,水箱里依然有足够几天使用的热水。
The problem, according to Japanese media reports, is a loss of grid electricity to run the pumps that bring in cooling water.
据日本媒体报道,这是一次输电设施运行水泵的失败。
"It depends on the rate of water loss," says Michael Sawka at the us Army Research Institute of Environmental Medicine in Natick, Massachusetts.
“这要看水分流失的速率”,位于马萨诸塞的Natick的美国陆军环境医学研究所的Michael Sawka说。
“In two years the growth rates of water and dairy will make up for the loss of biscuits, ” declared Mr Riboud confidently.
Riboud宣称:“两年内水和乳制品的增长率将补偿饼干业务的损失。”
This unique creature is part of an imperiled community of aquatic organisms in the Gulf of Mexico, where poor water quality and habitat loss have weakened the ecosystem.
这种独特的生物是墨西哥湾水生生物中遭到威胁的物种之一,墨西哥湾恶劣的水质和栖息地的丧失减弱了生态系统。
Of course, warm temperatures also increase water loss.
当然炎热的天气也会增加失水。
Of course, warm temperatures also increase water loss.
当然炎热的天气也会增加失水。
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