In contrast with conventional methods, gas chromatography technique exhibits its great speed, higher accuracy and less quantity of samples.
与常规培养法比较，气相色谱技术具有速度快、精确度高、标本用量少等特点。
Recent research progresses on high-speed countercurrent chromatography(HSCCC)were reviewed.
综述近几年来高效逆流色谱（HSCCC）的研究进展。
A kind of hepatocyte growth factor was purified from cow placenta through high speed centrifugation, salting out, affinity chromatography, ultrafiltration and anion exchange chromatography.
用高速离心、分段盐析、亲和层析、超滤和阴离子交换层析法，从牛胎盘中分离纯化出一种肝细胞生长因子。
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