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NSF,NSB Statement on Ralph J.Cicerone's passing at 73
NSF NSB Statement Ralph J.Cicerone's passing at 73
2016/11/29
The National Science Foundation (NSF) and the National Science Board (NSB) mourn the sudden death of Ralph. J. Cicerone, president emeritus of the National Academy of Sciences (NAS). He was 73."The NS...
NSB elects new leadership
NSB elects new leadership
2016/5/31
For the first time in National Science Foundation (NSF) history, women hold the positions of director and National Science Board (NSB) chair, and vice chair. During its May meeting, the boar...
Today the National Science Board (NSB) announced that Sea Education Association (SEA) would be bestowed with its 2016 Public Service Award.This esteemed award honors exemplary public service in promot...
"LIGO's detection is one of the coolest discoveries in decades, and hints at the hopes and dreams we have for the 'O,' an observatory that offers a revolutionary new window into the Universe. LIG...
Each year, the National Science Board (NSB) pays tribute to remarkable contributions and public service in science and engineering through its Vannevar Bush and Public Service awar...
NSB selects Museum of Science, Boston's National Center for Technological Literacy for its 2015 Public Service Award
NSB Museum of Science Boston's National Center Technological Literacy 2015 Public Service Award
2015/4/30
Today the National Science Board (NSB) announced that the National Center for Technological Literacy (NCTL), created by the Museum of Science, Boston, is a recipient of its 2015 Public Service Award.L...
NSB selects the American Museum of Natural History for its 2015 Public Service Award
NSB the American Museum Natural History 2015 Public Service Award
2015/4/30
Today the National Science Board (NSB) announced that it will award New York City's American Museum of Natural History (AMNH) with its 2015 Public Service Award.This prestigious award honors exemplary...
New and updated mobile apps for NSB Science and Engineering Indicators（图）
NSB Science Engineering Indicators
2014/9/1
The National Science Board (NSB) today announced the launch of Science and Engineering Indicators (SEI) for Android. The new app joins the existing and recently updated SEI App for iPad. Both free app...
NSB-2000型六氟化硫气体泄漏监控报警系统
气体泄漏 监控报警系统 六氟化硫
2008/10/8
该系统主要用于35kV SF_6开关室或220kV、110kVGIS室，对SF_6配电装置室环境中O_2含量和SF_6气体泄漏情况进行监测。当发生SF_6气体泄漏时，由于SF_6气体的绝缘强度比空气大，传感器测试电极之间的电离电流减小，测量电离电流的大小就可以测出环境中SF_6气体浓度。为了保证在任何环境下，电离电流与SF_6之间都存在稳定的对应关系，可通过检测电路，保证测试电极之间施加一恒定的电...