英语单词分类 轻松记单词

lumen

基本词汇

英 [ˈlu:men]

美 [ˈlumən]

n.内腔;流明(光流的强度单位)

形容词: lumena 名词复数: lumens

相关列句
Objective: To assess patency and lumen visibility of coronary artery stents by multi-slice spiral ct (MSCT).(目的:使用多层螺旋CT(MSCT)评价冠状动脉支架的通畅性和内腔的可视性。)
Real lumen output of chip for each correlated color temperature (CCT), flux and efficacy vary with (CCT).(每个相关色温的芯片输出的实际流明;电通量和功率不同于CCT。)
Researchers examined cells, called endothelial cells, that line the lumen or inside of blood vessels.(研究人员实验了内皮细胞,内皮细胞配列在内腔和血管内部。)
The light perceived by the human eye is measured in units called lumen-hours.(人类眼睛所观测到的光是以流明小时这种单位度量的。)
The lumen of the acinus is small and narrow but that of the alveolus is large and distended.(单腺泡腔小而狭窄,但肺泡的腔却大而膨满。)
Thylakoid lumen acidification induces high energy state quenching.(类囊体腔的酸化可诱导高能态的猝灭。)
In comparison with Halogen lamps: lumen, color temperature and life cycle is much higher.(与一般的卤素灯对比:流明、色温、寿命都要高于卤素灯。)
Each has an opening to the colonic lumen through a narrow neck.(每个憩室有一个窄的开口通向结肠腔。)
One solution flows through the central lumen of the fibers.(一种溶液从纤维的中心腔流过。)
Objective: To investigate the effects of rapid double lumen tube intubation with rocuronium.(目的观察罗库溴铵用于快速双腔气管插管的作用。)
  • 英英释义

  • 网络解释

noun

1. a cavity or passage in a tubular organ

e.g. the lumen of the intestine

2. a unit of luminous flux equal to the amount of light given out through a solid angle of 1 steradian by a point source of 1 candela intensity radiating uniformly in all directions

Synonym: lm

1. 流明:这款 Pelican 7060 手电筒,重量不到旧式警用手电筒的一半,具备两段式开关、防滑手把,手电筒前端装有散热片,130 流明(lumen)的 LED 光束,足够让不合作的嫌犯短暂失去视觉,听起来那些被警察们追著跑的疑犯们似乎可以松口气,

2. 腔:叶绿体蛋白需要控制穿越二层膜. 这些蛋白穿过外被的外膜和内膜进入基质(stroma),此过程与蛋白质越膜转运到线粒体的基质(matrix)的情况相同. 但有的蛋白还要进一步穿越类囊膜(thylakoid membrane)进入腔(lumen)中. 定位于类囊膜或腔中的蛋白转运途中必须经过基质.

3.

3. 内腔:在显微镜下观察,每一个年轮内具有两种类型的细胞,其中内侧(靠近髓心)部分乃由内腔(lumen)较大,细胞壁(cell wall)较薄且呈方形的细胞所集合而成,由於这类细胞是在春季生长期所形成的,因此又可称之为早材(early wood)或春材(spring wood)(图示).

4. 管腔:1.3 血管壁面积测量 双侧颈动脉各选择3层(颈动脉分叉层面、分叉上和下各4 mm距离层面)测量管腔(lumen)、血管壁外界(outer wall boundary,OWB)和血管壁(wall)的面积,共288层(24例患者×2次扫描×3层×2侧).

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