Objective: To clone and express the gene of human enterokinase light chain which would be used in the cleavage and purification of fusion proteins.
研究目的：克隆表达人肠激酶轻链编码基因，以期应用于融合蛋白的切割与纯化。
In the light of asphalt gas produced from different technical processes, he proposes several purification and control methods available in order to decrease or eliminate the pollution of asphalt gas.
针对不同的工艺流程产生的沥青烟，提出可采用几种不同的净化治理方法，有效地减轻或消除沥青烟的污染。
The growth and the purification ability of Hemerocallis fulva Linn. in heavy and light eutrophic water were studied by means of soilless cultivation technique on artificial substratum.
利用小型人工基质无土栽培萱草，研究其在轻度和重度富营养水中的生长及净化能力。
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