2) water quality in the Yangtze River estuary
长江口水质
3) water quality improvement of Yangtze River
长江水质改善
1.
Evidenced in Nanging area, with the contingent valuation method which structured by payment card, this paper measures public’s willingness to pay(WTP) for water quality improvement of Yangtze River, the results show as following: (1) The mean WTP is 100.
1%的受访者拒绝支付;(2)影响居民支付意愿的主要因素包括家庭收入、环境意识及文化程度;(3)南京市居民偏爱的支付方式依次为捐款、交税、存取基金方式及提高水价,水价上涨并不是面向公众筹集长江水质改善资金的唯一有效方式。
5) Yangtse River water
长江水体
1.
Therefore,the use of Yangtse River water as the heat and cold sources of water source heat pumps will have great potential of energy efficiency.
对重庆段长江水温进行了实测,在仅考虑制冷剂与冷却水、制冷剂与长江水体之间的传热温差影响的情况下,水源热泵机组的性能系数能达到6。
6) Yangtze River water
长江水
1.
Numerical simulation of solid-liquid flow of Yangtze River water in a semi-annulus reentry tube;
半圆环折返管内长江水固液两相流的数值模拟
2.
The investigation shows that used as cold and heat sources,the Yangtze River water is suited for developing water source heat pump technology and the shell-and-tube direct water source heat pump system is a feasible form.
研究表明,长江水作为冷热源适于发展水源热泵技术,应优先选择壳管式直接利用热泵系统。
3.
The variation of fouling resistance and frictional resistance coefficient of heat exchanger using connate Yangtze River water as cooling water is tested experimentally.
通过实验方法测试了以原生长江水为冷却水的换热器污垢热阻和摩阻系数的变化。
补充资料：地下水水质测定(见水质测验)
地下水水质测定(见水质测验)
dixiashui shulzhi eeding地下水水质测定见水质测验。
说明：补充资料仅用于学习参考，请勿用于其它任何用途。
参考词条