查询词典 Phosphor

This paper deals with the phosphor used in FED, which works based on the principle of special cathodoluminescence. A processing method brought forward is that green phosphor ZnS:Cu,Al coated with a layer of SiO_2 film by sol-gel method.

针对用于FED的荧光粉应该是适合FED特殊工作机理的专用阴极射线激发发光材料，提出一种以绿色荧光粉ZnS：Cu，Al为基质，采用溶胶-凝胶法在其表面包覆一层SiO2薄膜作为FED用荧光粉。

This structure makes the phosphor colligate both merits of the sulfide phosphor and silicate phosphor.

这也使材料具有了硫化物长余辉材料的发射光谱特征和硅酸盐材料高化学稳定性和高亮度的优点。

Through plenty of engineer testings, via selecting and using optimized phosphor powder granularity and phosphor powder thickness and the quantity of dispersant and jell etc. technical parameters, the high-performance screen with high-brightness and anti-burn is developed.

通过大量工艺试验，选用优化的荧光粉粒度、荧光粉厚度以及分散剂和胶凝剂的用量等工艺参数，研制出了高亮度耐灼烧的高性能荧光屏。

According to the measurement principles of phosphor, monochromatic light was adopted to excite the phosphor, and phosphors' excitation characteristics were obtained.

该方法根据荧光粉测量原理，采用单色光激发荧光粉，获得荧光粉的激发光谱特性。

Through analysis of heat penetration depth and thermal conductivity between stainless steel and phosphor bronze, the result shows that stainless steel screens have better refrigeration performance than phosphor bronze ones.

通过对不锈钢和磷青铜丝网材料热渗透深度和热导率的分析，指出在这一温区采用不锈钢丝网的制冷性能优于磷青铜丝网。

One aspect is the coating method of phosphor, which influences the LED's color temperature and range of available color properties, so,phosphor coating in manufacturing process must be uniform in thickness.

荧光粉的涂抹方式对白光LED的发光分布与色温的均匀度影响很大，荧光粉厚度较厚的位置黄光产生较多，色温会较低，因此在芯片上形成的涂抹层必须是均匀。

The result showed that the optimal condition of inorgano-absorbent manufacture as following: concentration of vitriol is 15%, the bentonite carrier must be soaked in the 0.4% La(superscript 3+) solution, the pH is 10, microwave radiation power is 340 W for 5 min. The optimal condition of organo-absorbent manufacture process as following: concentration of CTMA is 5%. The rate of wave must 166 W and the time of radiation is 6 mi In addition, the experimental results showed that with inorgano-absorbent the pH number is 3~6 and the reaction time is 45 min, the removal efficiency of phosphor will be up to 99% and the amount of adsorption will be up to 41 mg/g. And with organo-absorbent the pH number is 3~4 and the reaction time is 45 min, the removal efficiency of phosphor is more 30% than that of inorgano-absorbent. The removal efficiency of phosphor will be up to 99% and the number of adsorption will be up to 60 mg/g.

实验表明：①制备无机稀土吸附剂的适宜条件为：硫酸浓度15%，镧浓度0.4%，浸渍pH值10，微波功率340 W，辐射时间为5 min；②制备有机稀土吸附剂的适宜条件为：表面活性剂浸泡浓度为5%，微波功率为166 W，微波辐射时间为6 min；③无机稀土吸附剂当溶液的pH值为3~6，振荡时间为45 min时，对磷去除率为99%以上，吸附量达到了41 mg/g以上，有机稀土吸附剂当溶液的pH为3~4，振荡时间为45 min时，其效果比原来镧改性的无机吸附剂吸附量提高了30%，磷去除率为99%以上，吸附量达到了60 mg/g以上。

Through eleven years position experiments, we preliminarily found out the phosphor supply capacity of the soil and the fertilizer, and the variety of phosphor efficiency, and the effect of phosphor content, modality transformations and validity under different fertilizer supply measures in gray desert soil .

通过 11年定位试验，研究了灰漠土中土壤与肥料的供肥能力、磷肥肥效的变化，以及不同施肥措施对灰漠土磷素含量、形态转化及有效性的影响。

The second experiment is to fabricate white light LED from red and green phosphors pumped by blue light LED. The blue light LED we used in our experiment has the wavelength range between 450 and 452.5 nm, and the chip size is 17 mil *14 mil. There are two kinds white light LED we fabricated in the experiment. There are three blue light LED chips bonded in single package of both kinds package. The different of the both packages is mixed phosphor of encapsulation. One of the experimental devices was encapsulated YAG phosphor mixed silicone to fabricate white light. The other is red and green phosphor mixed encapsulation. The compared and focused parameter was luminous efficiency. YAG phosphor pumped white light has the luminous efficiency 72 lm/W, CRI 70, CIE(0.32, 0.33), CCT 5622°K at the operating current 60mA. On another hand, red and green phosphor pumped white light LED has the luminous efficiency 55 lm/W, CRI 90, CIE(0.31, 0.32), CCT 6479°K at the operating current 60mA. We fabricated the red and green phosphor pumped white light LED, and proved that it could has much higher CRI under similar compared conditions, CIE xy and CCT.

第二个实验是使用蓝光LED晶粒来制作白光元件，蓝光LED晶粒波段范围在450 ~ 452.5 nm，晶粒大小为17*14 mil，以三颗蓝光LED晶粒搭配YAG萤光粉(黄绿光 540 nm)制成白光元件，再以另外三颗蓝光LED晶粒搭配红色萤光粉(613 nm)混合绿色萤光粉(519 nm)制成的白光元件进行发光效率比较；搭配YAG萤光粉的白光元件在注入60 mA的电流时所量测到最大的发光效率是在72 lm/W，演色性数值大约为70，CIE色度座标为(0.32， 0.33)，色温是在5622 °K；而搭配红色萤光粉混合绿色萤光粉的白光元件在注入60 mA的电流时，最大的发光效率在55 lm/W，演色性数值大约为90，CIE色度座标为(0.31， 0.32)，色温在6479 °K；证明了蓝光LED晶粒搭配红色萤光粉混合绿色萤光的白光元件演色性指数可以高达90 以上的结果。

The results show that the particles in the two phosphor samples are overall spherical-shaped with a mean size of ~300 nm, and their main emission peaks under 147 nm VUV excitation are located at 619 nm. In comparison with Y0.95Eu0.05PO4 phosphor, Y095Eu0.05 (P0.2V0.8)O4 phosphor is a more promising candidate for red-emitting PDP phosphor application due to its higher homochromy and its chromaticity coordinates closer to flammulated chromaticity coordinates (0.67, 0.33) regulated by National Television Standard Committee.

结果表明，制得的Y0.95Eu0.05P(下标 1-xVO4(x：0，0.8)荧光粉的粒径约为300nm，在147nm真空紫外激发下，发射光谱的主峰位于619nm；与Y0.95Eu0.05PO4荧光粉相比，Y0.95Eu0.05(P0.2V0.8)O4具有更好的色纯度，它的色度坐标更接近国际电视标准委员会规定的红色色度坐标(0.67， 0.33)，是具有很好应用前景的PDP红色荧光粉。

According to the clear water experiment, aeration performance of the new equipment is good with high total oxygen transfer coefficient and oxygen utilization ratio.

曝气设备的动力效率在叶轮转速为120rpm～150rpm时取得最大值，此时氧利用率和充氧能力也具有较高值。

The environmental stability of that world - including its crushing pressures and icy darkness - means that some of its most famous inhabitants have survived for eons as evolutionary throwbacks, their bodies undergoing little change.

稳定的海底环境─包括能把人压扁的压力和冰冷的黑暗─意谓海底某些最知名的栖居生物已以演化返祖的样态活了万世，形体几无变化。