Cell engineering and genetic engineering technology will open up a new route to artificial synthesis of natural active substances.
细胞工程和遗传工程技术将为人工合成天然活性物质开辟新的途径。
The artificial synthesis sample and the standard steel sample were also analyzed and the selectivity and reliability of the methods were checked.
并对人工合成试样及标准钢样进行了分析，从而验证了方法的选择性及可靠程度。
The raw material is dry acetylene technology of artificial synthesis, and calcium carbide contains certain metal components, this is generally not appear stave machinery.
干法乙炔工艺中的原料是人工合成的电石，而且电石中含有一定的金属成分，这是一般破碎机械中没有出现的问题。
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