CONCLUSION: in a given column volume of gelatin, the quantity of purified fibronectin was closely related with the plasma retention time in column and the total loading amount of plasma.
结论在明胶亲和柱体积不变的条件下，制备纤维蛋白结合素的量与血浆加样量、血浆在柱内停留时间密切相关。
You're going to have to think about measuring annual and total contract values, payments and declines, monthly and annual recurring revenue, and relationship retention.
你必须估量年均和总合约价值、付款与下降、月度与年均经常性收入，并设法留住用户。
Phosphorus utilization efficiency and phosphorus retention coefficient attained optimal levels at 0.89% and 1.26% total dietary phosphorus by analysis, respectively.
分析发现，饲料总磷含量为0.89%和1.26%时，磷的利用效率和磷沉积系数分别达到最佳水平。
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