基本释义
n.
分子式
相关例句
molecular formula
4.an expanded molecular formula showing the arrangement of atoms within the molecule.
5.The molecular formula shows nothing but the total member of carbon and hydrogen atoms.
6.Ginsenoside Rg3 is a kind of effective chemical component extracted tracely from the red Panix with molecular formula C42H72O13 and molecular weight 784.30 dalton.
7.Polyacrylamide (PAM) is a general designation of a kind of homopolymer and copolymer of acrylamide (its molecular formula is CH2=CHCONH2) and its derivative.
8.The molecular structure of Ia, which was deduced from the result of crystal structure analysis of Ib, shows that it is a novel diterpene containing chlorine with a 5,11-bicyclic carbon skeleton, the molecular formula C20H33O4Cl.
9.A theoretical formula is proposed for the refractive index increment correction of SEC chromatogram of polymer, which involves the molecular formula weights and the ratio of dn/ dc of the end group and the structural repeating unit. The refractive index increment ratio could be evaluated a priori by Lorenz-Lorentz or Gladstone-Dale equations.
10.Add triethanolamine [molecular formula is N(CH2CH2OH)3]to de-ionized waters in proportion,doing slice up examination when machine tool and other technologic parameters(the same machine cool,wire,testing part and technologic parameters) are invariable,and observed the effect of working efficiency and roughness of surface.