查询词典 optically inactive

Through diazotization-lactonization,esterification, reduction, ether formation and double bond formation,the optically active--γ-benzyloxy methy-γ-butanolideXXIII and--γ-benzyloxy mothy-γ- butenolideXXV were preparedstarting from L-glutamic acid.

本论文采用易得的L-谷氨酸为原料，经重氮化-内酯化、酯化、还原、醚化和形成双键五步反应，合成了光学活性的化合物XXIII和XXV(Scheme 6，P.63)。

The OPI1268 optoisolator combines a high efficiency GaAlAs LED with a peak wavelength of 850nm, optically coupled to a Photologic photodiode in the output IC.

OPI1268光隔离器集成了高效率的GaAIAsLED，峰值波长为850nm，光学连接在输出集成电路的光电逻辑光电二极管上。

Oakley O ROKR features lightweight O Matter frame, buttons for controlling volume, answering/ending calls and controlling music, lenses made of optically pure PLUTONITE which filter out 100% of all UVA, UVB, UVC and harmful blue light up to 400nm, able to change the lenses, and ability to use O ROKR with iPod by adding the optional ICOMBI adapter.

厂商Oakley o ROKR的特点轻量级o问题的框架，按钮控制音量，接听/结束通话及控制用音乐，镜头作出的光学纯plutonite ，其中筛选出100 ％的所有紫外线A ，紫外线B ，紫外线C和有害的蓝灯高达400 nm ，能改变镜头，有能力使用Rokr手机与iPod加入任择icombi适配器。

Optically active propargylic alcohols are very useful and important precursors to many chiral organic compounds including natural products, pharmaceutical compounds and macromolecules.

手性丙炔醇是非常重要的合成中间体，广泛应用于天然产物、药物以及复杂大分子化合物等的合成。

Using the readily available optically active propargylic amines, the corresponding -α-chloroalkylidene-β-lactams with high ee values can be synthesized conveniently.

同时我们实现了由光学活性的炔丙基胺一步法生成光学活性的β-内酰胺化合物，这不仅在学术上而且在工业合成上都将具有非常重要的意义。

Optically'.'' active substance to a racemic form.

光学'。''活性物质转化为外消旋形式

Ultra Thin, Durable and Optically Clear Protector provides seemless protection.

超薄，耐用和光学透明保护提供无缝的保护。

A pair of FRET(frequency resonance energy transfer) donor-acceptor chromophores were simultaneously labeled on immunoglobulin G at varied ratios to prepare the spectroscopically encoded core materials,which were then housed inside a silica shell by the hydrolysis and polycondensation of tetraethoxysilane in water-in-oil microemulsion to synthesize the optically encoded silica nanomaterials.

采用两种FRET供受体荧光染料按不同的比例与载体材料人免疫球蛋白作用制备荧光编码的载体材料，以荧光编码的载体材料为内核材料，利用氨水催化硅烷化试剂在反相微乳液中水解包裹内核材料制备成一系列多色光学编码硅壳纳米材料。

Under the optimum conditions (i.e., reaction at 40℃ using hyperthermophilice esterase APE1547, 4-Cl-benzaldehyde substrate, and trichloromethane solvent), this reaction provided optically active secondary alcohol with an enantiomeric excess up to 56% and a yield up to 78%.

在最适条件（嗜热酯酶APE1547为酶源，反应温度40℃，氯仿为溶剂，4-Cl-苯甲醛为底物）下，加成反应生成的光学活性醇产率最高达78%，ee值最高可达56%。

An optically clear thermoplastic resin composition consisting essentially of: structural units derived at least one substituted or unsubstituted polycarbonate, at least greater than 30 weight percent of a substituted or unsubstituted polyester, a modified polycarbonate, an impact modifier having a refractive index in the range between about 1.51 and about 1.56 and an additive is disclosed.

公开了一种光学透明热塑性树脂组合物，该组合物基本上由以下组成：结构单元衍生的至少一种取代的或未取代的聚碳酸酯，至少大于30wt％的取代的或未取代的聚酯，改性的聚碳酸酯，折射率范围为约1.51～约1.56的抗冲改性剂和添加剂。

They have quite a lot of work to do.

他们有许多工作要做。

Let us give you a more elaborate example of this process.

让我们给你这个过程的更多的详细例子。