Modern refining techniques produce solvents with a high degreeofpurity and stability in a wide range of grades and boiling points.
现代炼油技术可生产各种高纯度和高稳定性的溶剂,并有多种牌号及很宽的沸点范围。
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While other platforms target enterprise developers and strive for a degreeofpurity, PHP is thought of as very pragmatic language that has grown around its developers' needs.
For the low productivity and degreeofpurity of lycopene in China, the article analyze the stabilization, production, purification, separation of isomer and anaysis of lycopene.