营养支持的目的是维持氮平衡、维护细胞代谢、改善组织器官(包括脑组织)功能，促进脑血管病人的康复。

And the purpose of nutritional support is to keep nitrogen balance, strengthen the cellular metabolism, improve tissue functions and speed up habilitation of cerebral patients.

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渗透膜不能保持营养平衡(制糖)酵母细胞内的副产品(乙醇)之外。

The membrane cannot maintain the osmotic balance of nutrients (sugar) inside the yeast cell and the by-products (alcohol) outside.

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IRS - 2对正常营养动态平衡至关重要，因为它能同时介导外周胰岛素的作用和B -细胞中igf - 1的作用。

IRS-2 is essential for normal nutrient homeostasis because it mediates both peripheral insulin action and the effect of IGF-1 on B-cell growth.

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