光

The main characteristics, such as the matching behaviors of films coated on substrates in fabrication of concave cylinder photoresist microlens arrays, the structural parameter design of photoetching mask which is relevant to the fabrication of the microlens, and control basis of photoresist mask technological parameters, are analyzed respectively.

分析了在光致抗蚀剂柱凹微透镜图形制作过程中的膜系匹配特性，与制作该种微透镜有关的光掩模版的主要结构参数，以及光致抗蚀剂掩模工艺参数的控制依据等。

Be a card-carrying member Take a photo gray card along: It ' s much better for setting digital " white " balance, for accurate spotmeter exposures with slide film, for a photofinishing reference point for color-print film, etc.

带块灰板：相机的测光系统认为，物体都是反射率为18％的灰色。其测光就是按这个进行的。所以，拍雪景的时候，如果不加曝光补偿，就会拍出来发灰。带着灰板，就能准确测光。

The main principle of this technique is to control sensitization time of photographic plate by light impulse instead of shutter.

高速频闪摄影技术的主要特点在于：用光脉冲代替相机快门，以控制底片的感光；在光脉冲时间非常短(本文最小光脉冲宽度可达8μs，其技术指标代表目前国内的最高水平)的情况下，达到对高速运动的流体"冻结"而拍照、观察的目的。

According to the demand of high data density of IC devices,higher photolithography resolution is required.

随着IC集成度的提高，要求越来越高的光刻分辨力，但光学光刻的分辨极限受光刻物镜数值孔径和曝光波长的限制。

The rate constants and efficiencies of photolysis for PAHs were not related to the original concentration of An and Ch.

对蒽和光解速率的比较分析表明，多环芳烃光解速率常数与受光解物质的结构特性有关。

It includes the following steps: polymerizing 2, 4-dihydroxyl metaphenylene diamine hydrochloride, diamine monomer and dipic acid anhydride to gain the polyimide that contains hydroxy on the molecule chain, making the hydroxyl take esterification reacting with acyl chloride and acrylic acid to gain polyimide photosensitive material that has negative photonasty.

该聚酰亚胺光敏材料以2，4-二羟基间苯二胺盐酸盐，二胺单体和二酸酐为原料进行聚合，得到分子链上含羟基的聚酰亚胺，然后使羟基与丙烯酸及其衍生物的酰氯发生酯化反应，得到具有负性感光性能的聚酰亚胺光敏材料。

Nine rice varieties with different characteristics of tolerance to photooxidation and grain quality were used to study on the performance of tolerance to photooxidation and grain quality and as well as their interaction in this experiment.

以耐光氧化反应特性和品质性状具有明显差异的9个水稻品种为材料，研究在早、晚季不同温光栽培条件下，水稻品种的耐光氧化反应特性和品质性状表现及其相互关系。

Practically all photobiological behavior of plants and animals-photosynthesis, phototropism, phototaxis,photoperiodism, and vision-utilize this range of radiation.

事实上，所有动植物的光生物行为——光合作用、向光性、趋光性、光周期和视觉——都利用这一辐射范围的能量。

Its photochemical reactions mainly consists of photolysis, photocrosslinked and photopolymerization, and so on.

其光化学反应主要包括光分解、光交联和光聚合等。

On the basis of the photochemical energy state of oxygen ,the effect of oxygen on the photopolymerization , several methods and mechanism against the inhibition of oxygen were investigated .

介绍了光固化涂料在光固化过程中常见的空气中氧的阻聚作用，并从氧的光化学能量态着手，给出了氧在光聚合反应中的作用，并且探讨了几种抑制氧阻聚的方法及其机

It has been put forward that there exists single Ball point and double Ball points on the symmetrical connecting-rod curves of equilateral mechanisms.

从鲍尔点的形成原理出发，分析对称连杆曲线上鲍尔点的产生条件，提出等边机构的对称连杆曲线上有单鲍尔点和双鲍尔点。

The factory affiliated to the Group primarily manufactures multiple-purpose pincers, baking kits, knives, scissors, kitchenware, gardening tools and beauty care kits as well as other hardware tools, the annual production value of which reaches US$ 30 million dollars.

集团所属工厂主要生产多用钳、烤具、刀具、剪刀、厨具、花园工具、美容套等五金产品，年生产总值3000万美元，产品价廉物美、选料上乘、质量保证，深受国内外客户的青睐