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规定其碳链处于竖直方向，醛基在碳链上端，中间碳上的羟基处于右侧的为右旋的甘油醛，定为D-构型。

右旋 [右旋:Fischer人为地选定@@@@@+@@@@@_甘油醛为标准物，规定其碳链处于竖直方向，醛基在碳链上端，中间碳上的羟基处于右侧的为右旋的甘油醛，定为D-构型。其对映体，@@@@@-@@@@@-甘油醛规定为左旋。#####]

1. 右旋:Fischer人为地选定@@@@@+@@@@@_甘油醛为标准物，规定其碳链处于竖直方向，醛基在碳链上端，中间碳上的羟基处于右侧的为右旋的甘油醛，定为D-构型。其对映体，@@@@@-@@@@@-甘油醛规定为左旋。

• Throughout life, all left-handed aspartic acid in the body tends to slowly convert to the right-handed conformation.

  历经人的一生，体内所有左旋天冬氨酸趋于慢慢转换为右旋构造。

• strike-slip fault - a fault on which the two blocks slide past one another. The San Andreas Fault is an example of a right lateral fault.

  走滑断层-两个岩体顺断层面走向相对滑动的断层。圣安德烈斯断层是一个右旋断层的例子。

• Cetirizine hydrochloride, an antihistamine, is chiral whose (R)-( + )-enantiomer has no biological activity.

  盐酸西替利嗪是第二代抗组胺药，具有旋光性，其中右旋西替立嗪无抗组胺作用。

• The case shown in Figure 56 corresponds to a dextral horizontal displacement along a vertical fault surface .

  图56所示例子表示沿垂直断层面的右旋水平位移。

• During evaporation, the left- and right-handed molecules mate up and fall out of solution, leaving a left-handed excess.

  在蒸发过程中，左旋和右旋分子配对并从溶液中析出，剩下多余的左旋分子。

• Faults which move horizontally are known as strike-slip faults and are classified as either right-lateral or left-lateral.

  水平移动的断层称为走滑断层并分类为右旋与左旋。

• When chemists synthesize organic compounds in the lab, they often wind up with a mix of molecules: half are right-handed, and half are left.

  化学家们在实验室合成有机化合物的时候，常常会得到一堆分子：一半右旋，一半左旋。

• however, in hypoxic SERT mice, dexfenfluramine reduced both systolic right ventricular pressure and pulmonary vascular remodeling.

  但SERT缺氧组，右旋酚氟拉明减少了肺血管重构和右室收缩压。

• The main treatment was low molecular weight heparin anticoagulation and low molecular weight dextran expansion.

  低分子肝素抗凝、低分子右旋糖苷扩容为其主要的治疗手段。