Lignosulfonate with low polydispersity index of 1.178-1.210 was isolated by gel column chromatography of Sephacryl S-100eluted with 0.2 mol/L of NaNO3 aqueous s
We study the ages of a large sample (1802) of nearly face-on disk low sur-face brightness galaxies (LSBGs) using the evolutionary population synthesis (EPS)mode
The ability of Cocos nucifera L. water (CW) as non-toxic corrosion inhibitor for acid corrosion of aluminium in 0.5 mol/L HC1 has been studied using chemical te
The separation of enzymatic hydrolysis products of yeast RNA by ion-pair HPLC was studied. A modified chromatographic response function (MCRF) was proposed to a
Recently,Sun et al.published new Galactic 3D-models of magnetic fieldsin the disk and halo of the Milky Way and the distribution of cosmic-ray electron densityb
A ligand-free Heck reaction catalyzed by in situ-generated palladium nanoparticles in PEG-400 has been developed. This catalytic system is a simple and active p
Based on the fact that petroselinic acid showed good inhibitory activity (IC50= 6.99 μmol/L) against protein tyrosine phophatase 1B(PTP1B) in vitro, a series o
A series of new 7-aryl-11,12-dihydrobenzo[h]pyrimido-[4,5-b]quinoline-8,10(7H/,9H)-diones were synthesized via three-component reaction of aldehydes, 1-naphthyl
Background Chronic obstructive pulmonary disease (COPD) is thought to be an inflammatory immune response disease. In most cases, the disease is caused by cigare
Batch experiments were carried out to investigate the effects of initial atrazine concentrations and consecutive desorption steps on the desorption characterist