The tibia weight and its zinc concentration were affected by dietary zinc levels.
鸡只的胫骨重量及胫骨锌浓度，受饲粮的锌含量影响。
2
An. optimum specific concentration of abrasive byweight, traverse speed and target distance will get the highest volume removal rate while keeping up other parameters unchanged.
在其它参数不变时为获得最大的冲蚀体积率则有一最佳的磨料重量比浓度和横移速度及靶距；
3
This paper described a pilot process of polymerization of acrylamide in middle concentration (30 ~ 35% byweight) aqueous solution with the additive disodium EDTA.