According to the helix theory , the algebraic sum value of all rotations of dihedral angle helix is equal to zero in the structure of 1,3-disubstituted cyclohexane derivatives.

按照螺旋理論亚欧国产激情无码视频，1亚洲性爱三级视频，3-二取代環(huán)已烷衍生物的結(jié)構(gòu)中存在的二面角螺旋旋光度代數(shù)和為零一级黄片免费视频，不應(yīng)具有旋光性91草白白色视频在线观看，但是它們卻是光學(xué)活性的。

The chirality is an abstract concept which does not determine the optical activity.

旋光性是由結(jié)構(gòu)決定的色一区，手性是一種抽象概念三级片,A片免费在线观看，抽象概念不能決定旋光性，旋光性具有明確的方向性，它必然是由具有明確方向性的結(jié)構(gòu)特征所決定欧美妇乱子A片免费。

At first, an optical balanced heterodyne polarimeter using a Zeeman laser is setup in order to measure the circular birefringence or the optical activity or of quartz crystal of cornu depolarizer configuration.

論文的第一部分是建立創(chuàng)新之振幅敏感平衡偵測外差干涉極化儀(Amplitude sensitive balanced heterodyne polarimeter特黄非常黄视频网站一区二区三区，ASBHP)并對石英晶體(cornu depolarizer，CD)的旋光性做即時及高精度測量999日本男人天堂啊啊啊。

A novel amplitude sensitive optical heterodyne polarimeter with sourse of a Zeeman laser was setup. The aim was to measure the optical activity of a Quartz Cornu Depolarizer, OCD, and Twisted-Nematic Liquid Crystal, TN-LC, at high accuracy and of aqueous humor in rabbit, in vivo, compared with the test of the concentration of blood sugar, in vitro.

本實驗利用極化光共路徑光學(xué)外差干涉方式架設(shè)極化儀亚洲欧洲自拍另类校园；此種光學(xué)架構(gòu)特性在於其結(jié)構(gòu)簡單，光學(xué)外差共光路特性加上采用參考光得以大幅度的降低雷射以及環(huán)境所造成的雜訊7788色婷婷，進(jìn)而得到準(zhǔn)確且高靈敏度的旋光性量測結(jié)果色色色色色色色色片视频。

The fact that some molecules can rotate the polarizing light is due to their handedness.

P26分子的旋光性是由分子的手性引起的。

Optically active 3-bromo-2-butanol is treated with KOH in methyl alcohol to obtain an optically inactive product having the formula .

答：有旋光性的3-溴-2-丁醇經(jīng)過KOH的醇溶液得到一無旋光性的產(chǎn)物一级毛片精品免费播放，寫出該物質(zhì)的結(jié)構(gòu)

Based on the optical activity of the complex formed by mannitol and ammonium molybdate,the mannitolum level in the gastrointestinal dialysis salt was determined with polarimetry.

本文根據(jù)甘露醇與鉬酸銨的絡(luò)合物具有旋光性這一特點，用旋光法測定胃腸透析鹽中甘露醇的含量久久综合网天天桃花网。

The synthetic condition of intermediates 2 was studied. The rotatory characteristic of 3a, b was measured.

對中間體2的合成條件進(jìn)行了探討丁香婷婷五月综合，并測定了手性氮丙啶試劑的旋光性。

The research of thermal effect on the rotatory power of quartz.

石英晶體旋光性的溫度效應(yīng)測試研究性香港XXXXX免费视频播放。

The lactic acid could divided to three isomers: L, Dand DL.

乳酸按其旋光性可分為D-乳酸免费真实处破视频在线观看、L-乳酸和DL-乳酸3種。

optical activity：旋光性

這種能使偏振面旋轉(zhuǎn)的性能稱為旋光性(optical activity),手性化合物都具有旋光性. 當(dāng)偏振光作用于分子,使分子的電子產(chǎn)生受迫振動. 這種受迫振動將產(chǎn)生周期變化的電場e′,它的頻率和周相(相位)和入射偏振光是相同的,但方向不同.

optically active：具旋光性的;旋光活性

"單光軸晶體","optical uniaxial crystal" | "具旋光性的;旋光活性","optically active" | "旋光性晶體","optically active crystal"

phototaxis：趨旋光性

光合作用 photosynthesis | 趨旋光性 phototaxis | 向旋光性 phototropism

positive phototaxis：正趨旋光性

正的相互作用 positive interaction | 正趨旋光性 positive phototaxis | 正向旋光性 positive phototropism

positive phototaxis：趨旋光性

正直向地性 positive orthogeotropism | 趨旋光性 positive phototaxis | 向旋光性 positive phototropism

negative phototaxis：負(fù)趨旋光性

負(fù)相互作用 negative interaction | 負(fù)趨旋光性 negative phototaxis | 負(fù)向旋光性 negative phototropism

negative phototaxis：逃旋光性

陰性相 negative phase | 逃旋光性 negative phototaxis | 背旋光性 negative phototropism

positive phototropism：正向旋光性

正趨旋光性 positive phototaxis | 正向旋光性 positive phototropism | 正趨流性 positive rheotaxis

phototropism,negative：背旋光性

向旋光性 phototropism | 背旋光性 phototropism,negative | 光尿癥 photouria

phototactic：趨旋光性的

光合單位 photosynthetic unit | 趨旋光性的 phototactic | 趨旋光性 phototaxis