多巴胺

Any of a group of amines derived from catechol that have important physiological effects as neurotransmitters and hormones and include epinephrine, norepinephrine, and dopamine.

儿茶酚胺一种从苯磷二酚中获得的胺，具有神经传感和荷尔蒙的重要生理功能，包括肾上腺、去甲肾上腺素和多巴胺

One major central dopaminergic system that has been implication in cardiovascular regulation is the mesolimbic system. This system originates from ventral tegmental area of the midbrain.

而中枢的多巴胺系统中与心血管调控较有关系的路径即是由中脑腹侧被盖区(ventral tegmental area，VTA)的多巴胺细胞本体所投射出的中边缘路径。

Dopamine is a neurotransmitter that's at least partially responsible for regulating sensation and movement, said Winkelman, who added that medications that increase dopamine activity in the brain, such as ropinirole or pramipexole, are effective in treating RLS.

多巴胺是一种神经递质，至少部分负责调节敏感度和运动，能增加多巴胺在大脑中活性的治疗药物对于治疗RLS很有效，如普拉克索或罗匹尼克。

Cerebral lesion ; vigil coma ; dopamine ; dopaminergic receptor ; bromotipine

脑损伤；醒状昏迷；多巴胺；多巴胺受体；溴隐亭

We postulated that decreased levels of dopamine receptors predisposed subjects to search for reinforcers; for example, drug-addicted subjects seek the drug whereas obese subjects seek food to temporarily compensate for a decreased sensitivity of dopamine regulated reward circuits.

我们假定由于易感人群的多巴胺受体减少，使得他们需要寻求增强剂。比如药物成瘾者寻求药物，肥胖者寻求食物，使得原本已经降低的多巴胺敏感性，因暂时性的补充，犒赏通路得以调节。

At Hcy/Au electrode, there were electrocatalytic responses of DA and E with ΔEp 57.5mV and 63.5mV, respectively. The standard rate constants k〓 were calculated as 2.1×10〓 cm s〓 and 1.6×10〓 cm s〓 corresponding to DA and E. The electron transfer number n〓=1 was achieved, which revealed that the 2e transfer of DA and E is not completed by one step at the electrode. Because AA also displayed electrocatalytic behavior at Hcy/Au electrode, DA and E can be determined in presence of AA.At Hcy/Au electrode, a pair of very stable and well-defined redox waves of Mb were obtained.

在Hcy/Au电极上分别得到多巴胺、肾上腺素的一对可逆的氧化还原波，求出两者的电极反应速率常数分别为2.2×10〓cm s〓和1.6×10〓cm s〓，推导出在两者的电极反应过程中均存在一个自由基并且它的形成决定了整个电极反应的速度；由于抗坏血酸在此电极上也具有电催化响应，可以在抗坏血酸存在下对多巴胺和肾上腺素进行测定。

The research, in animals, shows a significant correlation between the number of receptors in part of the brain for the neurotransmitter dopamine - measured before cocaine use begins - and the rate at which the animal will later self-administer the drug. The research was conducted in rhesus monkeys, which are considered an excellent model of human drug users.

动物（猕猴，猕猴是公认的用于研究人类毒品使用情况的极好模型，生物谷注）实验显示：可卡因使用前和开始沉溺于可卡因以后，大脑局部神经传递素多巴胺受体数量与药品剂量有显著相关性，可卡因的使用量越大多巴胺受体数量越少。

The research, in animals, shows a significant correlation between the number of receptors in part of the brain for the neurotransmitter dopamine - measured before cocaine use begins - and the rate at which the animal will later self-administer the drug. The research was conducted in rhesus monkeys, which are considered an excellent model of human drug users.

动物（猕猴，猕猴是公认的用于研究人类毒品使用情况的极好模型，生物通注）实验显示：可卡因使用前和开始沉溺于可卡因以后，大脑局部神经传递素多巴胺受体数量与药品剂量有显著相关性，可卡因的使用量越大多巴胺受体数量越少。

The research, in animals, shows a significant correlation between the number of receptors in part of the brain for the neurotransmitter dopamine - measured before cocaine use begins - and the rate at which the animal will later self-administer the drug. The research was conducted in rhesus monkeys, which are considered an excellent model of human drug users.

动物（猕猴，猕猴是公认的用于研究人类毒品使用情况的极好模型，万正医网注）实验显示：可卡因使用前和开始沉溺于可卡因以后，大脑局部神经传递素多巴胺受体数量与药品剂量有显著相关性，可卡因的使用量越大多巴胺受体数量越少。

Often patients are given prescriptions for levodopa, or L-dopa, which is converted into dopamine by enzymes in the brain.

医生经常给患者开左旋多巴的处方，左旋多巴在脑细胞中酶的作用可以转变为多巴胺。

It has been put forward that there exists single Ball point and double Ball points on the symmetrical connecting-rod curves of equilateral mechanisms.

从鲍尔点的形成原理出发，分析对称连杆曲线上鲍尔点的产生条件，提出等边机构的对称连杆曲线上有单鲍尔点和双鲍尔点。

The factory affiliated to the Group primarily manufactures multiple-purpose pincers, baking kits, knives, scissors, kitchenware, gardening tools and beauty care kits as well as other hardware tools, the annual production value of which reaches US$ 30 million dollars.

集团所属工厂主要生产多用钳、烤具、刀具、剪刀、厨具、花园工具、美容套等五金产品，年生产总值3000万美元，产品价廉物美、选料上乘、质量保证，深受国内外客户的青睐