左旋分子就是使偏振光发生左(即逆时针方向)旋的分子。
A left-handed molecule is one that causes polarised light to rotate to the left (ie, anticlockwise).
左起：史蒂夫·斯波尔丁，铝蔡博士，斯蒂芬妮·戴维斯和肖恩·麦克唐纳分享吉隆坡光时刻总部科士威的。
From left: Steve Spaulding, al Chuah, Stephanie Davis and Sean Macdonald sharing a light moment at Cosway's headquarters in Kuala Lumpur.
方法：用紫外分光光度法测定左氧氟沙星的含量，旋光法测定葡萄糖含量。
Methods:Content of levofloxacin lactate and glucose were examined with ultra violet spectrophotometry and polarimetry , respectively.
研究了心脏左室轮廓光流场检测的一种聚类中心特征点匹配算法。
The paper discusses the detections for contour-based optical flow field of the LV of heart. The detection is an application of matching algorithm of boundary cluster centers.
研究了心脏左室轮廓光流场检测的一种聚类中心特征点匹配算法。
The paper discusses the detections for contour-based optical flow field of the LV of heart.
安东尼尼接受了X光检查，证实了左大腿肌肉属于一级损伤。
This morning Antonini had an X-ray exam which evidenced a first-degree lesion to a muscle in his left thigh.
应用单宁酸——氯化铁法媒染大鼠心脏微血管，光镜下观察其形态学特点。结果：左、右心室及室间隔、心房的微血管得到了良好的显示。
Objective:To observe the morphological features of the microvascular of rats hearts stained with the ferric chloride tannic acid method under microscope.
应用单宁酸——氯化铁法媒染大鼠心脏微血管，光镜下观察其形态学特点。结果：左、右心室及室间隔、心房的微血管得到了良好的显示。
Objective:To observe the morphological features of the microvascular of rats hearts stained with the ferric chloride tannic acid method under microscope.
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