The aim of this paper is to study the asymptotic stability properties of Runge-Kutta(R-K)methods for neutral differential equations(NDDEs)when they are applied
The present investigation showed that the additions of Ca to the alloy AZ91 were mainly dissolved into the Mg17Al12 phase and increased its melting point and th
Both gradual and sharp decrease in organic and carbonate carbon isotope values were detected across the Permian-Triassic boundary in the Meishan section, Changx
This paper refers to the results of study and development of benzene and polyethylbenzene transalkylation catalyst (type AEB-1) for synthesis of ethylbenzene. T
The relationship between the inter-annual variations of the earth rotation, atmospheric angular momentum (AAM), sunspot number and El Nifio is analyzed.The resu
Most noise suppression algorithms of single channel use the mean of noisy segments to estimate the characteristics of noise spectrum, ignoring the estimation of
Sernirings which are a disjoint union of rings form a variety S which contains the variety of all rings and the variety of all idempotent sernirings, and in par
The phase transition of superfluid helium (He Ⅱ ) to normal fluid helium (He I ) is studied in this note. The He Ⅱ-He I interface is found to move upwards und
Objective To investigate how antibodies influence the fermentation of Lactobacillus GG and how Lactobacillus GG influences the biological properties of antibodi