将荧光增白剂的母粒形式与粉体形式的增白效果进行对比，得出母粒添加法试样的白度比粉体添加法试样高5 ~ 10的结果。
The results indicated that whiteness of sample into which FWA was added in the form of masterbatch was 5 ~ 10 degrees higher than in directly mixing form.
干酪根主要是母源体中的孢粉素与木质素在埋藏环境中不同热变质阶段的残留物，是油气形成的母源物。
Kerogen is the leftover material of sporopollen element and lignin in original bodies in different thermal metamorphic period and it is the original material of gas-oil formation.
添粉和不添粉的5A02和5A06铝合金拼焊板的横向拉伸试件均断裂于薄板母材，证明焊缝的强度合格。
The longitudinal tension PM specimen of Tailor Welded Blanks of 5A02 and 5A06 were all fractured on the thinner base metal, which indicated that welds were eligibility.
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