左旋

At BESSY,ten elliptical undulator beamlines are operating in the VUV and soft X-ray range,which enables the polarisation state of the synchrotron radiation to be changed from linear to left-or right-handed circular.

在BESSY同步辐射装置中，有10条椭圆波动器光束线，这可使同步加速器辐射的偏振态从线偏振光转变为左旋或右旋圆偏振光。

Methods The anterior descending and circumflex branches of the left coronary artery were ligated and infarction in the wall of left ventricle was created in six dogs.

结扎6只犬心冠状动脉左前降支及左旋支的分支，拟在左心室壁造成梗死区。

In experiments an injection of cytoplasm from dextral eggs changes the pattern of sinistral eggs but an injection from sinistral eggs does not influence dextral eggs .

用取自左旋卵子的细胞质进行的注射却不能影响到右旋卵子。

However, some broods possess a few snails of the opposing ha nd, and in predominantly sinistral broods, the incidence of dextrality is su rprisingly high.

可是，一些窝中会有一些相反旋向的蜗牛，而且在主要是左旋的窝种，出现右旋的几率是令人惊奇的高。

Predominantly sinistral broods, the incidence of dextrality is surprisingly

high。（5）可是，一些窝中会有一些相反旋向的蜗牛，而且在主要是左旋的窝种，出

She can create axes of rotation anywhere within sight and warps them telekinetically, which causes gruesome dismemberments and deaths. Her left eye twists leftwards and her right eye twists right; a channel is needed for each direction.

藤乃可以对视野范围内的物体制造旋转轴凭空并扭曲他们，左眼控制左旋转轴，右眼控制右旋转轴，一个方向需要用到一个频道。

Turned to the left or spirally arranged to the left, as in the leaves on some stems.

左旋的 Sinistrorse 向左转或向左螺旋排列，如某些茎上着生的叶。

RESULTS :① The left anterior descending branchwas most likely to be damaged;②The specificity between the wall-motion abnormality in A,AS,Apex an d single LAD disease was great (P.05);LAD and left circumflex artery infarcts could lead to AL and I regional wall-motion abnormalities respective l y;contractile function hypokinetic of the single I segment was mostly connected with LCX and right coronary artery injuries;patients with whole left ventricul ar contraction function hypokinetic always suffered from the three-vessel disea se .

结果：①冠状动脉梗塞后左前降支受累最为多见(45%)；②LAD单支病变与前壁、前间隔及心尖部室壁运动异常有关(P.05)。LAD与左回旋支病变，主要为前间隔和下壁运动异常；而单纯的下壁室壁运动异常多为左旋支与右冠状动脉病变引起。3支病变造成心肌运动普遍减低，且以侧壁及前侧壁的室壁运动异常则更为显著(P.05)。

To observe the effects of SGDP given through sublingual tablets on hemodynamics and myocardial oxygen consumption in anesthetic dogs which were operated to expose heart, we put the electro-magnetic flowmetre feeler onto the the levo of coronary artery and the root of aorta to measure the the coronary arterial blood flow and cardiac output, left ventricular pressure was observed by the pipe into the left ventricle of the heart.

为观察舒冠滴丸舌下给药对麻醉犬心脏血流动力学及心肌耗氧量的影响，实验采用开胸暴露心脏，于冠状动脉左旋支及主动脉根部放置电磁流量计探头，分别测冠脉血流量和心输出量。左心室插管测左室内压。

Resolution and preparation of ethofumesate enantiomers were achieved under the optimal semi-preparation conditions. The chemical structure of two elutes were identified by GC-MS, the optical property and the eluting order were determined by using the Circular Dichroism detector and polarimeter.

在优化的半制备色谱条件下，完成了乙氧呋草黄对映体的拆分、收集和制备，两个组分的化学结构经GC-MS确证，光学性质和流出顺序用圆二色检测器和旋光仪进行测定，获得了光学纯度超过97%的左旋和右旋对映体。

Cynanchum Lingtai apricot production in the average weight 65 grams, the brightly-colored fruit, juicy rich, sweet-sour taste, sweet from the nucleolus, when the late Qing Dynasty famous Shaanxi, Gansu provinces, the Qing imperial court Tongzhi tribute for years.

灵台生产的牛心杏平均单果重65克，果实色泽鲜艳，汁多味浓，甜酸适口，离核仁甜，清末时就驰名陕、甘两省，清同治年间曾为朝廷贡品。

Chenopodium album,Solanum nigrum, and Amaranthus retroflexus were very susceptible to the herbicides. Polygonum persicaria and Abutilon theophrasti were relatively less susceptible to the herbicides, and Lycopersicon esculentum was not susceptible to it. The relationship between reduction rates of weed biomass and PPM values of weed leaves 2,4, and 6 days after treatment was established.

供试的6种杂草对该混剂的敏感性存在显著差异：红心藜Chenopodium album、龙葵Solanum nigrum和反枝苋Amaranthus retroflexus对该混剂最敏感，ED90值分别为47.65、71.67和29.17g/hm2；春蓼Polygonum persicaria和苘麻Abutilon theophrasti敏感，ED90值分别为96.91、114.20g/hm2；而番茄不敏感。