曝

In addition, purple to yellow screen of overprinting black, yellow screen surface that is, the bottom of the emulsion is not photoptic or less exposure and therefore do not appear in the warm sunshine "" back phenomenon, the resulting higher image sharpness, do not generate Halo.

在曝常日，紫色增丝网的黄色不离叠增不败不暗色，所以黄色丝网的暗不天不感平或多曝平，因此不会呈现&不背晒&本体，得回的图像清晰度矮，不会爆不收晕影。

Exposure latitude is the extent to which a light-sensitive material can be over- or underexposed and still achieve an acceptable result.

曝光宽容度用来表示感光材料可以过曝或者欠曝，但是仍然可以获得可接受的曝光结果的程度。

An introduction is made on the application of an air supply low pressure jet aeration system in an improved oxidation ditch in the treatment of the liner board effluent with a detailed introduction and analysis on the commissioning of the operational process.

介绍了采用供气式低压射流曝气系统的改良型氧化沟用于箱纸板废水处理，并对整个调试运行过程进行了分析。改良型氧化沟采用全好氧曝气，沟中不存在缺氧区和厌氧区，抑制了传统氧化沟中的硝化与反硝化作用，降低了营养盐的投加成本，具有很强的抗冲击能力。

The PS series of advanced programmable control Decanter machine, diving jet aeration machines, the integration of water treatment equipment, Biological Aerated Filter, the modular automatic water purifiers and other equipment in water treatment works have been widely used for , Won a good social and economic benefits.

先进的 PS系列型可编程控滗水机、潜水射流曝气机、中水处理一体化设备、曝气生物过滤机、组合式自动净水器等设备在水处理工程中已得到广泛应用，为客户赢得了良好的社会及经济效益。

Analyze the influencing factors and calculate means of the sludge concentration identification of mixtures in aeration tanks,then deduct the theoretical calculation formula of the sludge concentration in mixtures on the relationships between oxygen tranasfer velocity and the oxygen demand in aerations.

就曝气池混合液污泥浓度确定的影响因素及方法进行了分析，并根据氧的转移速率与曝气池需氧量的

Power efficiency is the most important efficacy index for aerators, jet aerators should be popularized with major efforts.

而且动力效率是曝气设备最重要的功能指标，所以射流曝气器具有重大的推广价值。

Gas dispersion in liquid phase is generally non-uniform in gas-liquid surface aerators with large height-to-diameter ratio.

在高径比较大的表面曝气反应器中，由表面吸入的气体较难分散到反应器的底部，为增强反应器的气液传质性能，需要将反应器底部供气和表面曝气的配置优化。

A number of opportunity to mitigate environmental impact for alternatives are identified through LCA interpretation within this paper, including DO level control, improvements of energy efficiency of aerators and pumps, saving energy and chemical consumption by using computer systems and selecting more energy-efficient packed media.

通过本文的LCA评估，提出了减轻各比选方案环境影响的改进措施，其中包括：改进曝气池溶解氧的控制水平、选择能效高的曝气器和水泵、通过计算机控制系统节约能耗和药剂投加量以及选择高性能的填料品种等。

Simple straight forward aerators are best suited for aerating lawns without breaking up the turf.

简单直截曝气曝气草皮而不适合分手的草坪。

Because the aerators are floating type,so they can adapt to the water surface up and down. and easy to install and maintenance.

表曝机选用浮动式高速表曝机，可适应水面起落，安装简单，维护方便。

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