specific rotation

Determination of the Specific Rotation of Peppermint Oil by Statistical Line Method

用统计直线法测定中药薄荷油的旋光率

Analyzing net degree of Chinese medicine peppermint oil by determining specific rotation

由旋光率的测定来分析中药薄荷油的纯度

The Relation Between the Specific Rotation Constant of Sucrose Solution and Temperature

蔗糖溶液旋光常数与温度的关系

Selection of the type and specific rotation speed of super high head pump turbine

超高水头水泵水轮机型式及比转速选择

Using a operator that E. Measurement of specific rotation with oscillograph

使用示波器测量旋光率

Each vibration in ascension requires a specific rotation of each moving energy field around the form .

提升中的每一振动均需要身体周围每一运动能量场的特别旋转。

The specific rotation , intrinsic viscosity and molecular weight of this polysaccharide were all presented .

本文还报道了该多糖的比旋度、特性粘度和分子量。

Analyzing Mutarotation of D-glucose by Physics Ways Determining Specific Rotation

用测定比旋光度的物理学方法来分析D-葡萄糖的变旋光现象

The specific rotation of synthetic borneol is - 17.3 °~ - 2.3 ° .

合成冰片的比旋度α30D为-17.3°～-2.3°。

The specific rotation , intrinsic viscosity , sedimentation constant and molecular weight of these two polysaccharide were all presented .

本文报告了两种多糖的比旋度、特性粘度、沉降系数及分子量。

Study on mutarotation of N-acetylglucosamine in water by HPLC / MS / MS and specific rotation

N-乙酰氨基葡萄糖水溶液变旋过程的液质联用和旋光研究

Their transmission , rotatory angle and specific rotation dispersion were investigated by spectrophotometer and compared with LGS .

采用改造过的分光光度计研究了这类晶体的透过率、旋光角、旋光率色散，并与LGS进行了比较。

However , when the pH is raised to7 , there is a large decrease in the specific rotation of the solution .

但当ph升至7时，溶液的比旋光度就大大下降。

The results show that its specific rotation is - 1.45 ° / cm and its chiral parameter is 2.37 × 10 - 7 .

测试结果表明，手性非晶态玻璃的旋光率为-1.45°/cm，计算所得的手征参数为2.37×10-7。

The results showed that the specific rotation of vitamin E obtained through the silica gel adsorption process can meet the requirements of FCC .

结果表明，经硅胶吸附法处理的维生素E产品的比旋光度可以达到美国FCC的标准。

The result shows that its specific rotation is - 0.95 ° / cm and its chiral parameter is 1.55 × 10 - 7 .

测试结果表明，样品的旋光率为-095°cm，计算所得的手征参数为155×10-7。

To mutarotation of N-acetylglucosamine in water was studied by HPLC / MS / MS with specific rotation .

研究N-乙酰氨基葡萄糖在水溶液中的变旋行为。

METHODS Combined HPLC / MS / MS with specific rotation to inspect the mutarotation of N-Acetylglucosamine in water .

通过液质联用及比旋度分析，监测N-乙酰氨基葡萄糖水溶液的变旋情况。

The relationships between the specific rotation of PHCEM with solution concentration and content of cholesteric side chain units in the copolymer were discussed .

本工作给出了共聚物的比旋光率随溶液浓度及共聚物中胆甾测其含量变化的规律性。

Methods Adding the SSED into different volume of iron solution , the absorption value A and specific rotation were measured by means of ultraviolet spectrophotometry and polarimetry ;

方法将SSED加入不同标准铁溶液，用紫外分光光度法于550nm处测其吸收度A值反映样品颜色变化，旋光法测定旋光度并计算相对百分含量，同时观察性状外观。

The torsion spring is arranged in the inner part of the rotary cylinder to eliminate the rotation torque of the rotary cylinder body on a specific rotation direction .

在该旋转筒体内部以消除该旋转筒体在特定旋转方向上的旋转扭矩的扭力弹簧。

According to the optical activity of BSO in different wavelength and different doped states , the specific rotation of BSO at the wavelength of 630 nm is 21 . 2 ° .

根据不同波长和不同掺杂条件下BSO晶体的旋光效应发现，在630nm波长附近，BSO晶体旋光率为21.2°。

The specific rotation of the traditional Chinese medicine peppermint oil has been determined satisfactorily by the computer assisted regression line method , which was established using samples of the peppermint oil with different concentrations .

用计算机辅助的回归直线方法测定了中药薄荷油的旋光率，这种方法是用不同浓度薄荷油的样品建立的，获得了满意的结果。

The relationship between specific rotation of one kind cholesteric liquid crystal for CH-LCD and incidence wavelength , screw-pitch is simulated with the general cholesteric liquid crystal optical rotation theory and analyzed quantitatively .

利用旋光理论模拟了一种用于螺状相液晶显示器（CH-LCD）的螺状相液晶的旋光率与入射波长、螺距的关系，并从理论上给予定量分析；

The results of their purity identification , molecular number test , specific rotation test , monosaccharide components and molecular ratio test showed that Lea and Lew were two kinds of new members in shiitake polysaccharide clan .

对其进行纯度鉴定、分子量测定、旋光度测定、单糖组成及其摩尔比测定的结果表明：Lea与Lew是香菇多糖家族中的新成员。

While redissolved in water at 20 ℃, the specific rotation of glucosamine sulfate decreased with the time from 92.1 ° to about 56.7 ° and was , however , stable after 1.5 h at 56.7 ° .

将氨基葡萄糖硫酸盐产物的晶体重新溶解于20℃水中时，它的比旋光度随时间的延长而下降，1.5h后趋于稳定，从92.1°降低至56.7°。

The circular Jones vector ′ s transformation in coordinate conversion was presented by using Cartesian Jones vector ′ s transformation in coordinate conversion . And on the basis of it , the expression for quartz ′ specific rotation was deduced .

通过笛卡尔琼斯矢量在坐标旋转下的变换，提出了圆琼斯矢量在坐标旋转下的变换，进而以石英为例推导出旋光率的具体表达式。

N order to calculate the increment of specific rotation conveniently , we present an analytical method forthe synthesis of chiral alcohols , in which the GC assay combined with the determination of specific rotation both for inductor and product before and after the reaction is performed .

在手性醇合成中，采用非手性柱气相色谱（CC）分析，结合反应前后诱导物和产物的比旋光度测定，简单方便地计算了比旋光增量；

In consideration of the electronic effects and the influence of steric hindrance , by introducing benzyl into 9-OH of cinchona derivatives , four new kind of chiral phase-transfer catalysts has been synthesised and identified by 1H - NMR , IR , melting point and specific rotation . 3 .

在考虑电子效应的同时考虑空间位阻的影响通过在金鸡纳衍生物9-OH上引入苄基，合成了四种新型的手性相转移催化剂。产物经1HNMR、IR、熔点、比旋光表征。

Chemical reagent & General method for the determination of specific optical rotation

GB/T613-1988化学试剂比旋光度测定通用方法