为改进微生物发酵法生产谷氨酰胺的流程，提出用电渗析方法来分离谷氨酰胺和谷氨酸。
In order to improve the microorganism fermentation process of producing glutamine, an electrodialysis method was developed to separate glutamic acid and glutamine.
该谷氨酰胺合成酶是自氨基端第405位氨基酸残基突变为苯丙氨酸的谷氨酸棒杆菌的谷氨酰胺合成酶。
The said glutamine synthetase is prepared by abrupt change of the 405th amino acid residue of amino end to phenylalanine corynebacterium glutamicum .
谷氨酰胺-谷氨酸、亮氨酸、组氨酸及牛磺酸浓度的降低反映了小儿恶性实体瘤的氨基酸代谢特点。
The decreased levels of glutamine, leucine, histidine and taurine reflect the nature of the tumor′s metabolism.
谷氨酰胺-谷氨酸、亮氨酸、组氨酸及牛磺酸浓度的降低反映了小儿恶性实体瘤的氨基酸代谢特点。
The decreased levels of glutamine, leucine, histidine and taurine reflect the nature of the tumor′s metabolism.
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