Dopamine levels wane as dopamine is taken back into cells by an active transport system.
多巴胺通过主动传输过程转运回细胞内后，水平下降。
A molecular mechanism for the active transport of ions or molecules across a cell membrane.
此种蛋白质分子在细胞膜上聚集成“紫斑”。
Taxi, which is the most active transport mode, has been becoming an important part of the urban public transportation.
出租汽车已经成为城市公共交通的重要组成部分，也是最为活跃的交通方式。
Drugs may cross a biologic barrier by passive diffusion, facilitated passive diffusion, active transport, or pinocytosis.
药物可通过被动扩散、易化被动扩散、主动转运或胞饮作用等方式穿越生物屏障。
Active transport: This process is characterized by selectivity and saturability and requires energy expenditure by the cell.
主动转运这种转运过程的特征是选择性和饱和性，需要细胞的能量消耗。
It is highlighted that besides passive transport, dissolved metal transport into bivalves was involved in active transport coupled with ATP.
强调了贝类对溶解态重金属的转运除了被动转运之外，还涉及到需要AT P供能的主动转运过程。
Active transport The use of energy to move a solute across a membrane against a concentration gradient, a potential gradient, or both (electrochemical potential) . Uphill transport.
主动吸收：亦称代谢吸收。指细胞直接利用能量做功，逆着电化学势梯度吸收离子的过程。
Due to the mountainous geography of the island and lack of transport options, locals are forced to remain active later in life, taking regular exercise well into their 80s and 90s.
由于岛上多山，缺少交通工具的选择，当地人不得不在老年阶段仍然保持活力，直到八、九十岁还经常锻炼。
Reactants in radiopharmaceutical kits, or inactive ingredients that physically or chemically combine with active ingredients to facilitate drug transport are considered inactive ingredients.
放射性药物组成中的反应物，或为了便于药物运输将非活性成分与活性成分以物理或者化学而结合都被认为是非活性成分。
They found that those who travelled to work by car or public transport reported higher levels of stress and tiredness compared to active commuters who travelled by foot or bicycle.
结果发现那些驾车或乘坐公共交通工具的人会比那些走路或骑车上下班的人有更高的压力以及疲劳指数。
So the transport ability of fault zones is strong in the active stage but weak in the intermittent stage.
断层幕式活动期对油气的输导能力强，而断层幕式活动间歇期对油气的输导能力相对较弱。
The group, which has been active for a year, has come under fire from local transport officials.
这个联盟已经成立了一年，现正受到当地交通官员的猛烈抨击。
The decreasing of thylakoid membrane electron transport activities in sharp fall phase were significantly higher than that of active photosynthetic duration under strong illumination stress.
强光逆境下，速降期类囊体电子传递活性受抑制程度比高值持续期明显。
The results indicated that the metabolism of brain cells was active; the axoplasmic transport of axon was damaged; synaptic transmission function was abnormal.
提示脑细胞代谢活跃，神经轴突轴浆转运障碍，突触传递受阻。
The results indicated that the metabolism of brain cells was active; the axoplasmic transport of axon was damaged; synaptic transmission function was abnormal.
提示脑细胞代谢活跃，神经轴突轴浆转运障碍，突触传递受阻。
应用推荐