Direct Inhibition of Cardiac Hyperpolarization - Actiated Cyclic Nucleotide – Gated Pacemaker Channels by Clonidine.是什么意思？

Direct Inhibition of Cardiac Hyperpolarization - Actiated Cyclic Nucleotide – Gated Pacemaker Channels by Clonidine.

可乐定对超极化激活环核苷酸门控通道的直接抑制作用.

direct

adj. 直接的，直的，直系的，率直的；adv. 直接地，径直地，直截了当地，正好；vt. （用建议、指示、有益的情报等）指导，导演（戏剧或电影），指示方向，把…对准（某方向或某人）；vt.& vi. 指导，导演，管理；vi. 引路，当向导，领唱，领奏；

例句
The direct ancestor of the modern cat was the Kaffir cat of ancient Egypt...
现代猫的直系原种是古埃及的卡菲尔猫。

inhibition

n. 抑制，压抑，禁止；

例句
Nitric oxide scavenger ( N - acetylcysteine ) could recover the inhibition effect of sodium nilroprusside.
ON清除剂N - 乙酰 半胱氨酸 能明显清除硝普钠的抑制效应.

of

prep. 关于，属于…的，由…制成；aux. 助动词 [非标准用语、方言] =have [主用于虚拟语气]；

例句
He did have a real knowledge of the country...
他对该国的确知之甚多。

cardiac

adj. 心脏（病）的，（胃的）贲门的；n. 心脏病患者，强心剂；

例句
The king was suffering from cardiac weakness.
国王患有心脏病。

hyperpolarization

n. 超极化；

例句
Direct Inhibition of Cardiac Hyperpolarization - Actiated Cyclic Nucleotide – Gated Pacemaker Channels by Clonidine.
可乐定对超极化激活环核苷酸门控通道的直接抑制作用.

cyclic

adj. 周期的，循环的，轮转的；

例句
The yields of other cyclic acetals were between 62.
并在此条件下合成了多种环缩醛,收率62.

gated

[医]选通的，门控的；

例句
Methods: Gated SPECT ( G - SPECT ) and rest equilibrium radionuclide angiocardiography ( ERNA ) were performed on 42 normal cases within 1 w.
方法: 42例正常人,在行门控心肌断层显像 ( G - SPECT ) 后1周内行平衡法核素心室造影 ( ERNA).

pacemaker

--

例句
Physiological pacemaker was implanted in 36 patients ( 12 cases used DDD pacing ).
非生理性起搏组54例,生理性起搏组36例 ( 使用DDD起搏为12例 ).

channels

n. 频道( channel的名词复数 )，渠道，通道，海峡；

例句
...the proliferating number of television channels in America.
美国激增的电视频道

by

prep. 在…旁边，表示方式，由于，经过；adv. 经过，表示保留或保存时用，短暂拜访；

例句
...expensive make-up that we saw being advertised by a beautiful model...
我们所见的由一位漂亮模特代言的昂贵化妆品

clonidine

n. 氯压定，可乐宁，可乐亭（一种降压药）；

例句
The exact site at which clonidine exerts this central effect is not precisely known.
可乐宁发挥中枢作用的确切部位尚不清楚.