time of low water

Since water price has been quite low for a long time and it does not reflect the scarcity of water resources, it led to a weak awareness of conservation and lack of efficiency in water use.

由于水价格长期偏低、不能反映水资源的稀缺性，这导致了节约意识淡薄、用水效率低下，水资源供需矛盾日益突出，阻碍了水资源的可持续发展。

Under low flow condition, when the inlet temperature of storage tank is 11 degree, 12 degree, and 13 degree separately, the changing rule of the storage tank outlet water temperature and discharge velocity with time are compared.

在较小流量的条件下，比较了蓄冷槽进口温度分别为11℃，12℃，13℃时，蓄冷槽出口温度和取冷速率随时间变化的规律。

Partial nitrification via nitrite at ordinary and low temperatures in an SBR treating domestic wastewater The water in the lake is comparatively cold and the lake remains frozen half of the time each year.

SBR法常、低温下生活污水短程硝化的实现及特性池水温度较低，一年中有半年冰封期。

At the present time, water-based fracturing fluids are popular because of low costs and steady performance, which has the proportion of 90%. However it performs badly in the high temperature and do damage to the formations which confines its development.

压裂液种类繁多，目前，90%的压裂液都是水基压裂液，这类压裂液成本低，性能稳定受到青睐，但目前的水基压裂液其抗高温性差，对地层伤害大。

At the same time, high-water supply can improve the growth of capsicums while low-water supply delays its growth rate.

水分控制对辣椒的影响表现为充分供水促进辣椒生长，水分胁迫延缓辣椒生长速度。

Cement concrete may undergo the thaumasite form of sulfate attack when it is exposed to low temperature, high humidity, sulfate, carbonate and adequate water for a long period of time.

TSA侵蚀是水泥混凝土在低温、高湿、硫酸盐与碳酸盐长期作用下发生的一种特殊的硫酸盐侵蚀形式。