protein-free medium

The content of protein was increased markedly when ammonium acetate was added to the medium.

添加的乙酸铵几乎全部被螺旋藻利用，并且蛋白质含量明显提高。

High protein-medium gluten and lower protein-poor gluten genotypes were affected more by nitrogen and phosphorus fertilizer but less by meteorological conditions than high protein-rich gluten genotype.

灌浆期高蛋白中筋和低蛋白弱筋品种降落值受氮磷肥影响大于高蛋白强筋品种，受气象条件影响则小于高蛋白强筋品种。

The results indicated that there were many mycelia spheres to be evolved and the size of mycelia spheres was even, and the dry weight of mycelia was large in soybean bud-corn powder medium, but the carbohydrate content of mycelia was high in wheat bran-protein peptone medium.

结果表明，在黄豆芽玉米玢培养基中菌丝球最多，大小均匀，菌丝生长量最大，在麦麦夫蛋白胨培养基上菌丝的糖含量最高。

A simple method to quantitatively determine the the backbone structure of a protein from a set of electron density maps at medium resolution has been described.

本文叙述了一个简单的从中等分辨率电子云密度图确定蛋白质骨架结构的方法。

The young cotyledon soybean callus tissues were cultured in the different concentration NaCl medium. For five generations, the contents of protein, amino and soluble sugar of soybean callus tissue were measured.

在含不同浓度NaCl的MS培养基上，继代5次培养大豆发育子叶的愈伤组织，分析了不同盐浓度培养的大豆愈伤组织的蛋白质、氨基酸和可溶性糖的含量。