An innovative process for synthesizing vitamin D 2 by photochemical reaction is also put forward.

Use a variety of physical and photochemical principle, with this kind of craft products.

利用了多栽物理和平化学道理, 用此栽工艺制作不不入的产物.

If the dark period was too short, the photochemical system was not completely regenerated.

如果暗周期太短, 光化学系统不能完全再生.

The photochemical effect has been reproduced many times in laboratory experiments.

光化学效应在实验室试验中多次复制.

Primary photochemical processes occur as an immediate result, and secondary processes may follow.

初级的光化学过程是作为一种中间结果发生的, 接着可能发生二级过程.

The photochemistry of compounds containing both nitro and carbonyl groups and their derivatives.

研究含硝基及羰基之分子及其衍生物之光化学.

The advanced development in the studies on photochemistry of C 60 has been reviewed.

从光物理出发,综述了近几年富勒烯[0]光化学反应研究进展.

The non-photochemistry dissipation can be classified into high-energy state quenching, state transition and D 1 protein cycle.

非 光化学耗散又分为 高能 态猝灭 、 状态转换和D1蛋白循环.

We are still very far from explaining how photochrome acts on a cellular or molecular level.

关于光敏色素怎样在细胞水平或分子水平上发生作用,我们现在还远远不能解释.

A non linear photochromic mask layer can be utilized for super resolution optical data storage.

利用光致变色介质的非线性效应特性制成掩膜,可以实现超分辨率光存储.

Recent research on pendant photochromic spirooxazine polymers was reviewed effect of polymers photochromic behavior was emphasized.

综述了键合螺恶嗪侧基聚合物的研究进展.

UV light induced deformation and bending in certain type of photochromic liquid crystal elastomers were studied.

本文研究了一类光敏液晶高弹体在紫外光照射下的变形和弯曲行为.

Works printed with different photocomposition halftones have quite different effects.

不同照相版影印出来的作品效果是不同的.

Metal type has been replaced by photocomposition.

金属活字为照相排版所代替.

The printing house has just bought photocomposition equipment.

印刷厂新买了一台照排机.

Photoconductive resistance has been very is a mature sensor.

光敏电阻已经非常是一种成熟的传感器.

Phthalocyanine compounds is a new kind of organic photoconductive materials.

酞菁类化合物是一类新型的有机光电导材料.

Selenium is a photoconductive substance.

硒是一种光电导物质.

It can also bond and package many kinds of photoconductive fiber communication apparatus.

可用于光纤通讯器件的粘接封装.

The photoconductive surface coatings for scanning by charging roll charge uniform charge.

暗地的平导涂层在扫描曝平后,由不不不收电辊充上平均电荷.

In a photoconductive cell, light is used to regulate the flow of current.

在光电导器件中, 光用来调节电流.