Performance comparison of column GAC and irregular GAC in drinking water treatment;

This paper deals with the effect of coal fines and its size distribution on the quality of formed activated carbon.

The studying of making formed activated carbon from woody brown coal, using coal tar and industrial waste liquids of paper pulp, sugar molasses and beer as adhesive, shows that the type and amount of adhesive ef- fect significantly on the quality of formed activated carbon.

Clinical analysis of PCI and anti-coagulation in patients with unstable angina;

Clinical analysis for treatment of 30 cases of unstable angina with the Yinxingdamo and Lunanxinkang;

Lipid-lowering efficacy and safety of xuezhikang in patients with early-period of unstable angina;

We consider the second order neutral delay differential equation with unstable type [x(t)-p(t)x(t-τ)]~″=q(t)x(t-σ)~(α-1)x(t-σ),t≥t_0,where α>1,τ>0,σ>0andp,q∈C([t_0,+∞),R~+).

In this paper,we study the existence of positive solutions and the bounded oscillation of a class of high order unstable type neutral differential equations.

In this paper,we study the existence of positive solutions and the bounded oscillation of a class of second order unstable type neutral differential equations.