赫斯认为，水的存在可能是由地幔中分解的矿物质释放出来的，这可能意味着含镁高的岩浆可能在较低的温度下存在。
Hess suggested that the presence of water, probably released from minerals decomposing in the Earth's mantle, might have meant that a high-magnesium magma could have existed at a lower temperature.
被压力从岩石孔隙空间之中挤出的水以及夹带在水中的油雾雾珠和气泡会迁移到具有较低压力的高带中去。
The water squeezed out of the pore space, along with the drops of oil and GAS, moves toward high zones with lower pressure.
当金属的一部分与溶解氧浓度相对较低的水接触，而邻近部分与溶解氧浓度高的水接触，则前一部分为阳极。
When a part of the metal is in contact with water relatively low in dissolved oxygen, it is, of course, anodic to adjoining areas in contact with water higher in dissolved oxygen.
凤凰山水库2009年2月初发生局部微囊藻水华，主要原因是较好的水体稳定性（高水位，较长的水力滞留时间，较低的入库流量和降雨量），以及水温的迅速回升。
Microcystis-bloom in Fenghuangshan reservoir occurred in Feb. -2009, long water retention time, low precipitation and inflow, high temperature were the main reasons.
适用于地下水位较低的场所及其它扬程要求高的场合，如矿井、高楼大厦、自来水增压、山区果农灌溉用水等。
Applies to the lower groundwater levels for high head sites, and other occasions, such as mines, high-rise buildings, water booster, mountain water for irrigation and other fruit.
本发明有益效果为：成本较低、对高硬度、高硅含量的水阻垢处理效果好、对膜系统不会造成二次污染。
The invention has the advantages of lower cost, good treatment effect to water obstruction scales with high hardness and high silicon content and no secondary pollution to a film system.
本发明有益效果为：成本较低、对高硬度、高硅含量的水阻垢处理效果好、对膜系统不会造成二次污染。
The invention has the advantages of lower cost, good treatment effect to water obstruction scales with high hardness and high silicon content and no secondary pollution to a film system.
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