A method for identifying the writing age of blue ballpoint pen ink has been established due to the imperative demand in forensic laboratories.The content of the
The bioreaction mechanism and kinetic behavior of protein enzymatic hydrolysis for preparing active peptides were investigated to model and characterize the enz
The Mesozoic intermediate-acid intrusive rocks in Tongling area can be divided into two magmatic series, namely the shoshonitic series and the high-potassium (K
N,N-dimethyldodecylamine,hydrochloride and epichlorohydrin (molar ration is 2:1:1) were used to synthesize bis-quateary ammonium Gemini surfactant with a hydrox
Polyaniline (PANI)/polysulfone (PSF) composite films are successfully prepared by phase separation and one-step in-situ polymerization.It is found that the head
A grain of unexpected mineral composed of FeO (wiistite) and SiO2 (quartz) with au intergrowth structure was found in ophiolitic chromitite, Luobusa, Tibet. Acc
A kind of biodegradable material,poly(ε-caprolactone-co-lactic acid) [P(CL-co-LA)] was synthesized via the direct melting polycondensation of lactic acid (LA)a