多环芳烃(PAHs)作为一种芳香族化合物,普遍存在于人们的生产生活中,它具有强烈的致癌性,威胁着人们的生命和健康。所以,对多环芳烃实施简洁、高效、精确的检测方法很有必要。
1969年的10月,在缅因州上大学的年轻画家阿伦·帕克正在为自己的一幅名为“死亡肖像”的画作烦恼,精神显得极为不振,他的朋友和暗恋她的女孩都希望他能放下手头的工作,然
Nine ethyl N-hydroxy-N-(substituted)phenyloxamates(2a—2i), based on the structure of the KARI inhibitor IpOHA, were synthesized. Their structures were establis
A highly efficient and convergent approach for the synthesis of octalone 1, the focal intermediate for the synthesis of several sesquiterpenoids, was developed
Metal-coated fiber Bragg grating(FBG)temperature sensors were prepared via electroless nickel(EN)plating and tin electroplating methods on the surface of normal
Nanocrystals of KMgF3 single-doped and codoped with Ce3+ or/and Yb3+ were synthesized separately by the microemulsion method.The X-ray diffraction(XRD)patterns
Four novel compounds containing two pyridazinone units attached to one benzene or pyridine ring, protected and deprotected 1,5-di[3(2H)-pyridazinon-6-yl]benzene
The oxidation of 3-picoline to nicotinic acid took place efficiently in an ethanol solution with O2 as the oxidant under the catalysis of T(o-Cl)PPMn at 40―150