Zobrazeno 1 - 10
of 36
pro vyhledávání: '"Xin Fa Li"'
Publikováno v:
Palaeoworld.
Publikováno v:
Journal of Paleontology. 94:819-828
During recent stratigraphical and micropaleontological investigations of the Gulupu section in Tüna, Yadong, of the Eocene Zhepure Formation, numerous holoplanktonic mollusks (pteropods) were recovered. Four species, assignable to two genera of pter
Publikováno v:
Applied Mechanics and Materials. 262:567-571
Polylactic acid as a biodegradable polymer shows relative high rigidity, but it is brittle and has poor heat resistance, which greatly limits its application. The goal of this experiment is to prepare polylactic acid/organic modified montmorillonite
Publikováno v:
Applied Mechanics and Materials. 262:572-576
To enhance the crystallizability and flexibility, Poly L-lactide (PLLA)/ Talc/ tributyl citrate(TBC) composites were prepared via melt extrusion and investigated by thermogravimetry (TG) and derivative thermogravimetry (DTG). It was shown that the th
Publikováno v:
Crystal Growth & Design. 12:4663-4668
An organic ligand 4-(1,2,4-triazol-1-yl) benzoic acid (Htzbc) with a nonlinear optical (NLO) chromophore has been synthesized. Reaction of Zn(NO3)2 with Htzbc ligand in 1-n-butyl-3-methylimidazolium tetrafluoroborate ionic liquid afforded compound Zn
Publikováno v:
Advanced Materials Research. :278-284
Yaguila Pb-Zn polymetallic deposit in Tibet is discovered through geochemical exploration techniques. The deposit is located in the eastern section of Longmala-Yaguila fault sag belt in the area of Nyainqentanglha Range. The ore bodies lie in the lit
Publikováno v:
Advanced Materials Research. :2686-2690
The tens of micrometers sized polystyrene(PS) microspheres were produced by dispersion polymerization in ethanol/H2O medium with poly(N-vinyl pyrrolidone) (PVP) as a dispersant and 2,2’-azobisisobutyronitrile(AIBN) as a radical initiator. The effec
Publikováno v:
Advanced Materials Research. :625-628
The effect of uniaxial stretching of different stretching ratio at 80 °C, 90°C, 100°C, 110 °C and 120°C on the crystallization behavior of polylactic acid (PLA) film was investigated by using differential scanning calorimetry (DSC), wide-angle X
Publikováno v:
Advanced Materials Research. :86-89
Biodegradable foams derived from poly(lactic acid) (PLA) and gelatinized cornstarch (GS) were prepared by twin-screw extrusion using Azodicarbonamide(AC) as blowing agent and talc as nucleation agent. Foams with a relatively fine and uniform cell mo
Publikováno v:
Advanced Materials Research. 380:265-269
Poly(L-lactic acid ) (PLLA) /oganic montmorillonite (OMMT) composites were prepared by means of melt-mixing using a twin-screw extruder. The mechanical properties and melt flow rate of the composites were investigated, and their crystallization struc