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The indoor air quality (IAQ) at six residential buildings in Hong Kong was investigated based on different locations and characteristics. IAQ parameters measured from October 1997 to January 1998… (More)
The ISO 14001 environmental management system (EMS) standard has been adopted in many parts of the world. In order to evaluate current implementation in Hong Kong, a questionnaire survey was… (More)
PurposeNon-invasive positive pressure ventilation (NIPPV) has gained popularity over the years in the treatment of acute respiratory failure (ARF). Preliminary evidence suggests that delirium is an… (More)
Reaction of ( R P )- and ( S P )- tert -butylphenylphosphinobromidates and tert -butylphenylthionophosphinochloridates with metallated phenol and BINOL alkoxides, thioalkoxides, amides and enolates… (More)
Abstract Upon treatment with LDA or alkyllithium, enantiomers of P-chiral phosphinates, phosphinothioates, phosphinoamidates, thionophosphinates, thionophosphinothioates and thionophosphinoamidates… (More)
Abstract A facile one-pot procedure for copper-catalyzed PhI(OAc) 2 -mediated asymmetric alkene aziridination had been developed. Commercially available PhI(OAc) 2 and sulfonamides were used to… (More)