The Ediacaran period is critical for the evolution of multicellular life.Selenium(Se)play a physiologically important role in the normal functions of the organisms.
A 4.43mol/L ammonium bicarbonate solution was prepared with ammonium bicarbonate and ammonia water,under the room temperature,neodymium nitrate solution and hydrogen peroxide were added to the ammoniu
A study is carried out on the growth of escherichia coli in the culture medium containing iron ore tailings powder with cerium doped by detecting the bacteria colony counting and monitoring the physic
In this paper,we adopted simulate rain experiment method to study the transformation of the change of raindrop speed and diameter with time and the results indicated that the rain intensity change str
The catalytic combustion of methane is an effective way to achieve high efficiency and low pollution.This paper presented the status of perovskite-type methane catalytic materials,and elaborated the l
The new tripod ligand [N-bis(4-methyl benzene-diamino formyl)methyl phosphonic acid] and its europium(Ⅲ)complex(Eu(pic)3L)was synthesized and characterized by TG-DSC,IR spectroscopy,UV-vis spectroscop
The Schiff Base consisted of 3,5-diiodo-salicylalidehyde and 4,4-Diaminodiphenyl Methane and its Cu(Ⅱ)and Mn(Ⅱ)complexes have been synthesized and characterized by elemental analysis,TG-DSC,IR spectra