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- Keywords remote sensing;surface temperature-vegetation cover index (I_(TVC));ecological water Usage;the Hai River Basin; 地表温度植被覆盖度指数;生态用水;海河流域;
- ecological water usage 生态用水
- They report using 85% less seed and saving 32% on water usage. 他们报高少使用85%25的种子和节约32%25的水利用.
- Reduce Production Costs -able to reduce more than 80% of water usage, energy, dyeing chemicals, and waste water. 降低生产成本用水量、能源、助剂及废水量,最多可降低80%25以上。
- Study on Theory and Method of Ecological Water Demand in the Lower Reaches of Heihe River. 黑河流域下游生态需水理论与方法研究。
- Supervise water rate and water amounts by microcomputer, realizing manage water usage scientifically. 微机管理软件实现水费、水量的监管,实现科学用水管理。
- The corresponding problems of ecological water requirement for vegetation construction in semi-arid grasslands are studied from microcosmic angle. 摘要重点从微观角度研究半干旱草原区植被建设生态需水相关问题。
- Water usage, like our usage of mineral resources, shows a marked increase over the past few decades. 水的用量,象矿产资源一样,比过去几十年有显著的增长。
- This can be valuable in helping you save time and money in costs associated with water usage. 这可以帮助您节省宝贵的时间与金钱成本与用水。
- On the premise of protecting river hydrobiology habitat,ecological water demand in mountainous rivers was studied. 主要从保护河流水生生物栖息地出发,探讨山区河流生态需水量问题。
- Advance ordering water amounts and charging automatically, control water usage by price lever. 预定水量、自动收费,用价格杠杆促进控制用水,真正实现节约用水;
- The Ankang Prefecture was taken as example to calculate ecological water requirement. 本文以安康地区为例,计算现状年生态需水量为61。
- An integrated classification system for ecological water demand is suggested according to different criterions. 建立了不同标准下的生态需水分类体系;
- Automatic operation provides water usage savings over other flushing devices. Reduces maintenance and operation costs. 全自动运行使得水的消耗比其它种类的冲洗设备低得多。也降低了保养维护和运行费用。
- After that,take Yanan city for example to calculate two kinds of ecological water requirement in the year of 2000. 以西北黄土高原地区延安市为例,分别计算了2000年来水条件下的河道内及河道外生态需水。
- The calculation of ecological water consumption is the basis of redistributing water resources. 摘要生态需水量的计算是水资源优化配置的前提和基础。
- It is recommended that the heater be located near the center of greatest hot water usage to prevent heat loss through the pipes. 建议把热水器放置在需要热水最多的地方的附近位置,以减少热量在管道中的消耗。
- The minimum instream ecological water demand is the epiboly value of each instream flow quantity. 河道内各项需水量的外包值为河道内的最小生态环境需水量。
- For now, the publicly recognized standard is: average water usage per person per annum cannot fall below one thousand cubic meters. 现在公认的标准是:人平均年可用水量不能低于一千立方米.
- Therefore,it is necessary to build water conservancy projects at top speed and to promote the technology of economizing water usage. 因此,必须建立健全干旱监测预警服务系统,加快水利建设的步伐,推广旱作节水农业技术。