Large-sized CsI(T1) single crystals,~Φ100 mmx350 mm,have been grown successfully,and this CsI(Tl) coupled with PD has been successfully utilized at RIBLL (the R
Marine sediments were dissolved by HNO3-HF-HCIO4 in a sealed container at low pressure; I-IF was evaporated in an open container and salts were dissolved in HCl
In this paper,we study the existence of positive solutions of a sub-linear semi-positone differential boundary value problems system with positive parameter.We