微门户首页  新闻  讨论区  活动  博客  求职招聘  行业报告  圈内成员  供应   
已读[89] 发布: 2013/05/17 19:28:48
化学方法处理,通过投加水质稳定剂,如缓蚀阻垢剂、分散剂、杀菌剂,使水中的结垢性离子稳定在水中,其原理是通过螯合、络合和吸附分散作用,使钙镁离子稳定地通过...
已读[85] 发布: 2013/05/17 19:28:06
U-T San Diego The effort would result in sand stretching 100 feet to the water in Encinitas and 200 feet in Solana Beach, according to a report that went to city councils in both cities during separate meetings May 8. The wider beaches, the report says, would lead ... and more »
已读[84] 发布: 2013/05/17 19:28:02
Red and Black At UGA he is looking at interactions between oysters and Spartina marsh grass, two species that benefit the environment through improving water quality and stabilizing shorelines. His research will help scientists predict future habitat changes ... and more »
已读[93] 发布: 2013/05/17 19:27:56
London Free Press This specific technology, developed in Belgium, is used in Europe in hospitals and other closed systems that require ultra-high water quality , said Andy Valickis, engineer and senior project manager with the Ontario Clean Water Agency, which also ...
已读[86] 发布: 2013/05/17 19:27:53
WHMI However, Council Member Claudia Roblee says the pond is becoming choked and the city needs to be, in her words, “good stewards” of the water . Corrigan Oil Co. has offered to dispose of the accumulated sediment at no cost, if the state Department of ...
已读[87] 发布: 2013/05/17 19:27:41
The Reporter Putah Creek Council and Audubon Working Waterways program are seeking volunteers to help plant herbaceous, grass-like native plants along Union School Slough as part of a larger restoration project to help improve wildlife habitat and water quality on ...
已读[93] 发布: 2013/05/17 19:27:19
Patch.com “My only reservation that I would have, if any, is what impact would this have on our quality of life on the water flow issue,” said Gerry McCaffery, a 30-year Morris Plains resident. “The only possible impact is during construction, if the topsoil isn ...
已读[85] 发布: 2013/05/17 19:27:12
NOLA.com The project is part of an on-going effort to improve water quality in Bayou St. John and reconnect it with Lake Pontchartrain. The Orleans Levee Board has already removed a dysfunctional gate near Robert E. Lee, and will next week begin dredging the ... and more »
已读[89] 发布: 2013/05/17 19:27:07
Wilkes Journal Patriot “By stabilizing the shoreline and establishing founder colonies of aquatic vegetation, we are eliminating threats to water quality , creating habitat, protecting property and increasing aesthetics,” said Brad Carey, a Corps natural resource specialist.
已读[130] 发布: 2013/05/17 18:46:16
New York Daily News This energy—in the form of methane gas—can be produced from manure and other organic materials through a process of decomposition and bacterial fermentation in a relatively simple apparatus called an anaerobic (oxygen-free) biodigester. The methane ... and more »
« 上一页  |   查看结果251-260共357   |  下一页 »

新闻标签:

没有标签


最新报告


求职招聘