For the 1 % Er ~3 +-doped Al _ 2 O _ 3 powders, the photoluminescence ( PL ) intensity increases with increasing sintering temperature.

It'shows that the collection is superposition of Raman and photoluminescence spectrum.

结果表明,所采集到的是拉曼光谱和光致发光光谱的叠加.

The band edge excitonic transitions were measured by the reflectivity and photoluminescence measurements.

利用反射及光激萤光量测能隙边缘的激子跃迁.

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.

Derivation and validation of photolysis rates of O 3 , NO 2, and CH 2 O from a GUV-541 radiometer.

从GUV -541 的辐射计得出和验证O3, NO2和CH2O的光解率.

Under ultraviolet rays, oxygen is photolysis, thus producing ozone.

空气中氧气在紫外光的照射下, 发生光解作用, 产生臭氧.

The ultraviolet component of sunlight is responsible for most pesticide photolysis.

阳光的紫外部分是农药光解的最重要因素.

Photolysis: Breakdown of molecules into smaller units via absorption of light.

光解 经由光的吸收导致分子破裂成较小单元.

The results show that their photolysis kinetics follows the first order reaction.

利用稳态光解法研究了其不同条件下的光解动力学,符合一级反应.

Visual photometer is a simple instrument with measuring accuracy of ~10 % ( 0.1 mag ).

结构简单的目视光度测量器,准确度达百分之十 ( 0.1星等 ).

Solid phase transmission photometric determination of palladium with PVC functional membrane was studied.

提出了用PVC功能膜固相透射吸光光度法测定钯的方法.

OBJECTIVE : To develop simultaneous photometric determination method for sulfamethazine and sulfamidine in Xiaoer An powder.

目的: 建立同时测定小儿安中磺胺二甲嘧啶和磺胺含量的方法.

The photometric signal-to-noise ratio is roughly proportional to the square root of the signal intensity.

光度计的信噪比与信号强度的平方根粗略成比例.

The diameter size of the fiber determines the signal strength and photometric signal-to-noise.

光纤的直径尺寸决定了信号的强度和光度计的信噪比.

Photometric sensors are devices that measure energy in the visible spectrum.

测光传感器是测定可见光谱中能量的仪表.

Less critical is the situation in the case of photometric observation.

做光度测量的条件就不那么严格了.

A new method-dynamics photometric method was developed to measure trace formaldehyde in beer.

建立了动力学催化光度法测定痕量甲醛的新方法.

They are employed in several photometric procedures.

它们在几种光度法中获得作用.

For the detection of sulfur impurities detector 46 can be a FPD ( flame photometric detector ).

为了检测硫杂质,检测器46可以是FPD ( 火焰光度检测器 ).

The latest development of photometric analysis of vanadium was discussed.

论述了钒的光度分析的进展状况.

This paper briefly presents determination of nitrate in water using ultraviolet spec-to photometric . depend . correctness.

本文简单介绍利用紫外吸光光度法快速测定水中硝酸盐,方法可靠、准确.