三国时期襄阳宜城人，向宠之弟，历任射声校尉、尚书 、梓潼太守。诸葛亮初亡，益州各地要求为其立庙，蜀汉朝廷不听，向充和习隆上表，言宜近其墓，立庙沔阳，为尚书。蜀汉灭亡后，仕晋，为梓潼太守。
骨诱导活性是指移植组织通过诱导受体组织的间充质细胞向成骨细胞分化。
The latter is a process whereby the transplanted tissue induces mesenchymal cells of the recipient to differentiate into osteoblastic cells.
采用分量蓄能策略后，向蓄能系统内充注的氨水溶液量、充能过程结实后储存在氨储罐内的氨液量以及设备负荷可以大幅减小。
In the partial storage system the ammonia, the quantity of the ammonia after the process of the storage energy and the equipment load reduces.
通过向养殖水体充氧，从而使水体中维持较高浓度的溶解氧，是该养殖模式水质管理的主要调控措施之一。
Increasing oxygen in order to maintain the higher dissolved oxygen (DO) concentration in the water body is one of the main adjusting measures in this farming mode.
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