搜索结果: 1-7 共查到“化学 sources”相关记录7条 . 查询时间(0.046 秒)
Sources and fate of nitrate in a groundwater-fed estuary elucidated using stable isotope ratios of nitrogen and oxygen
nitrate oxygen isotope
2014/10/16
We used d15N-nitrate (NO{
3 ) and d18O-NO{
3 to unravel the provenance and fate of NO{
3 in a groundwater-fed
estuary. A total of 13 monthly and two time series surveys were undertaken in the Werr...
Ethyl 5-oxo-3-arylamino-2,5-dihydroisoxazole-4- carboxylates as sources of imidazopyrimidine and aminoindole derivatives
Isoxazolones 2-chloropyrimidine 2-chlorobenzoxazole
2010/12/29
The reaction of ethyl 5-oxo-3-arylamino-2,5-dihydroisoxazole-4- carboxylates with 2-chloropyrimidine and 2-chlorobenzoxazole gave the corresponding isoxazolones with pyrimidine and benzoxazole rings s...
Ethyl 5-oxo-3-arylamino-2,5-dihydroisoxazole-4- carboxylates as sources of imidazopyrimidine and aminoindole derivatives
Isoxazolones 2-chloropyrimidine 2-chlorobenzoxazole rearrangements imidazopyrimidines aminoindoles
2010/12/20
The reaction of ethyl 5-oxo-3-arylamino-2,5-dihydroisoxazole-4- carboxylates with 2-chloropyrimidine and 2-chlorobenzoxazole gave the corresponding isoxazolones with pyrimidine and benzoxazole rings s...
World Regulators Debate Management of Disused Radioactive Sources（图）
World Regulators Debate Management Radioactive Sources
2009/9/28
Policymakers from several IAEA Member States explored radioactive waste issues during the Senior Regulators´ Meeting on the penultimate day of the Agency´s General Conference.The participa...
IAEA Removes Dangerous Radioactive Sources from Lebanon
Dangerous Radioactive Sources Lebanon
2009/9/15
An IAEA mission to get powerful radioactive sources out of Lebanon was completed 30 August 2009, after a plane carrying the high-activity cargo safely touched down in Russia, where the sources are now...
Helping Countries Keep Radioactive Sources Secure--IAEA Publishes Implementation Guide on Security of Radioactive Sources（图）
Radioactive Sources Secure Implementation Guide
2009/7/28
The IAEA has just released a guide for implementing security measures on radioactive sources. Published under the IAEA´s Nuclear Security Series, the publication includes guidance and recommende...
Mobile Solution to Radioactive Sources Issue--Technology Helps Developing Countries Process Disused Radioactive Sources
Mobile Solution Radioactive Sources Technology Countries Process
2009/6/12
Developing countries now have the possibility of processing their own disused radioactive sources thanks to new technology conceived by the IAEA. Using a mobile hot cell, the technology was successful...