The electrical conductivity of Middle East Atmospheric Residue (ME-AR) diluted by n-heptane was continuously measured, and the mass fraction normalized conductivity of ME-AR was calculated.
测定了中东常压渣油加入正庚烷后的电导率，并计算得到了不同正庚烷加入量时的质量分数电导率值。
The results show that high cross-linking degree of resin can be gained as the mass fraction of comonomer N-hydroxymethyl acrylamide (NMA)and hydroxyethacrylate (HEMA)are 6% and 15% respectively.
结果表明，当共聚单体N 羟甲基丙烯酰胺（NMA）和甲基丙烯酸羟乙酯（HEMA）的质量分数分别为6%和15%时， 树脂的交联度较高；
The mass fraction of n-butene in mixed C4 from catalytic cracking after etherized was approximately 40%.
混合c 4中含有质量分数约为40%的正丁烯，是生产丙烯的优质原料。
应用推荐