The Spanish Steps were crowded with the sellers of grotesque caricatures.西班牙阶梯上挤满了出售荒诞漫画的人。The boys amused themselves by drawing caricatures of their teacher.这些男孩画他们老师的漫画来取乐.He does very funny caricatures of all his frie...
增溶溶解对于任何要纯化的蛋白质都是必需的.Solubilization is required of any protein to be purified.纯化的ALA纯度达到90%.The purity of ALA after purification is up to 90 %.任选的是, 可用加氢催化剂将纯化的二聚异丁烯加氢生成异辛烷.Optionally, the purified diisobutylene may be h...