查询词典 luminous point

Luminous efficacy is the ratio of luminous flux to radiant flux.

发光效率是光通量辐射通量的比例。

The luminous paint is composed of long-afterglow phosphor powder coated with nano titanium dioxide and luminous paint compound.

由纳米二氧化钛包覆处理的长余辉发光粉末材料和发光涂料组合物两步进行。

Luminous paint and a preparation method thereof are disclosed, belonging to paint compound based on inorganic materials and particularly the technical filed of the preparation of luminous paint compound.

一种发光涂料及其制备方法属于基于无机物质的涂料组合物，特别是发光涂料组合物的制备技术领域。

The invention has the advantages of being simple and novel, and under illumination, the luminous paint has long-afterglow irradiance effect and the stored luminance efficiency is greatly improved, so the luminous paint is particularly suitable for underwater signs and road signs in pluvial regions.

本发明达到的有益效果是，简单、新颖，在光照条件下具有长余辉发光效果且蓄发光效率大大提高。特别适用于水下标志和多雨地区的交通道路标志。

The initial luminous efficiency of the phosphor increases by about 2%, and reliability of packaged LED is improved, attenuation of luminous efficiency degrades 6%.

结果表明，表面处理使硅酸盐荧光粉的初始发光强度提高约2%，可靠性也有所提高，可使封装后的 LED 的光衰减少6%。

The luminous efficiency of cool white LEDs was improved from 38 lm/W to 66 lm/W through the optimum ratio of silicate phosphor. The luminous efficiency of white LEDs with YAG phosphor was 80 lm/W.

经研究最佳化后，以混矽酸盐萤光粉进行封装则光效可从38 lm/W提升至66 lm/W；以混YAG萤光粉进行封装光效可提升到80 lm/W。

Distribution of luminous intensity that may be represented by rotating about an axis a polar luminous intensity curve in a plane containing that axis.

可以围绕一个旋转轴或至少一个对称面的光强度分布。

We now have advanced EL line and various kinds of luminous materials production and testing equipment, with a strong new product development capabilities, have access to independent development of various types of light and luminous materials more than 20 patents, of which a flexible neon light, magic neon line, Spider neon nights Network, light products have been sold in 30 countries.

我们现拥有先进的EL线及各类发光材料生产与检测设备，具备强大的新产品开发能力，已独立开发获得发光线及各类发光材料专利技术20余项，其中柔性霓虹发光线、魔术霓虹线、夜蜘蛛霓虹网发光线产品已经销售30个国家地区。

According to the change of material's performance, the luminous intensity of optical fiber is also varied and inspected by the luminous intensity meter. The static resistance meter is also used to measure the transformation of the composite material.

使用光功率计检测空心光纤光强输出的变化量，并利用静态电阻测量仪检测复合材料本身的变化，依此来判别空心光纤承载压缩的能力。

Then, the tricolor luminous materials are reviewed about their quantum efficiency, luminous stability, lifetime and so on.

系统评述了红绿蓝三原色有机发光材料在荧光量子效率、稳定性、寿命等方面的进展。

Panorama Many people are dancing in a large sitting room.

在一个大客厅里，许多人在跳舞。

We fully understand how a microwave oven cooks food, it is first necessary to talk ...

我们充分理解一个微波炉煮的食物，这是首先要谈。。。