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- National Air Sampling Network 全国大气取样网
- air sampling network 空气取样网
- The Burbank Court concluded that the widespread imposition of such local restrictions would interfere with flight scheduling and navigational patterns nationwide, thus hindering federal management of the national air traffic network. 最高法院在“伯班克”一案中认为，广泛实行地方限制将会干扰全国范围内的航班规划与导航格局，因此妨碍了联邦政府对全国航空运输网络的管理。
- That provides for the implementation, maintenance, and enforcement of the national air quality standards. 它为贯彻、维护、并执行国家的空气质量标准作准备。
- Note:(-)indicates no bumer(+)indicates bumer.Burner ignited at 23:30 hrs(after air sampling)and extinguished02:30hrs(after air sampling). 注：(-)没有燃烧器(+)设有燃烧器。燃烧器烬23:30时点（空气取样后），并烬02:30时熄灭（空气取样后）
- Zefon 37mm Air Sampling Cassette w/ MCE Filters are designed to meet all applicable NIOSH, OSHA and EPA air sampling standards. Zefon 37mm 的气体采样盒被设计用来适应各种NIOSH, OSHA 和 EPA 的气体采样标准。
- Yes. But in Russia, the Strategic Rocket Forces and the Troops of National Air Defense also belong to the services. 对。但是在俄罗斯,战略火箭和国土防空军也属于军种。
- METHODS: The plate sedimenation method was used for air sampling and the efficacy was compared between cangshu compound disinfectant and formaldehyde disinfectant. 方法：采用空气菌落自然沉降法，并与福尔马林消毒液及对照组比较。
- National Airs (10) with variations for flute/violin &piano, Op. 国家气（10）与变化的长笛/小提琴及钢琴作品。
- National Airs (6) with variations for flute/violin &piano, Op. 国家气（6）与变化的长笛/小提琴及钢琴作品。
- To establish an useful method for sampling and detecting glutaral in the workplace. [Methods] Glass tubes filled with DNPH-coated silica gel were used for air sampling. 目的]建立一种实用的工作场所空气中戊二醛的采样、测定方法。
- Apply Ion chromatography method on determining Fluoride in ambient air sampling, which has more convenient operation, higher sensitivity, higher accuracy and better repeatability. 采用离子色谱法测定环境空气样品中的氟化物,具有操作简单,灵敏度高,准确度高、重现性好等优点。
- All water defector products are tested through national air conditioning apparatus testing center. 所有档水器产品均通过国家空调设备检测中心检测。
- To establish a useful method for sampling and determination of crotonaldehyde in the air of workplace.[Methods] Glass tubes filled with silica gel were used for air sampling. [目的]建立一种实用的工作场所空气中巴豆醛的采样、测定方法。
- In 1972, Lopez became the Assistant Director for Aeronautics at the National Air and Space Museum in Washington, D. 1972年,洛佩斯在位于华盛顿的国家航天航空博物馆担任航空学助理。
- On Friday, U.S. officials said an air sampling after North Korea's claimed nuclear test detected radioactive debris consistent with an atomic explosion. 周五美国官员们说，北朝鲜宣称的核试验之后得到的大气采样侦测到了与核爆吻合的放射性残留物。
- National Air Surveillance Network 全国大气监视网, 国家空中监视网
- The FAI unites National Air Sport Control (NAC) organisations, who administer sporting aspects of air activities in their own countries. FAI联合管理自己国境内体育方面空中活动之国家航空运动总控（NAC）机构。
- Programmable Sampling Network Switch 程控取样网络转换器
- From 1996-1997, the Admiral assumed the position of Ramsey Fellow at the Smithsonian National Air and Space Museum in Washington, D.C. 1996年到1997年，米勒中将在位于华盛顿的史密森国家航空航天博物馆里承担了拉姆齐伙伴的位置。
