The regional hydrological system is extremely complex because it is affected not only by physical factors but also by human dimensions.And the hydrological mode
A new predictive model for evaluating the vibration of a sawing machine was developed using a new rock classification system.The predictors are machine paramete
An analysis was conducted on the evolutional process of a mesoscale convective vortex (MCV) and associated heavy rainfall in the Dabie Mountain area on 21-22 Ju
Climate change and human activities are the two kinds of driving forces in desertification,and assessing their relative role in desertification is of great sign
Five benzamide deriatives containing capsaicin were synthesized which have similar structures to capsaicin.Their yield was high.The monomers synthesized were ch
A cloud of gas collapsing under gravity will fragment. We present a new theory for this process, in which layers of shocked gas fragment due to their gravitatio
Polyaniline (PANI) was prepared by the chemical oxidative polymerization of aniline,and ZnO,with the mean particle size of 28 nm,was synthesized by a non-aqueou
We present high-precision, multi-band CCD photometry of two less-studied close binaries V1123 Tau and V1128 Tau. Complete covered light curves and a number of n