In this paper, the construction of photoionization detect instrument based on AT 89 C 52 chip is presented.

The gas is heated by photoionization.

气体是由光致电离加热的.

This is amazing animal love. Unbelievable bit of photojournalism. Real life events.

令人惊讶的动物之情. 难以置信的照片记录, 真实生活事件.

Alignment Precision-Displacement of patterns that occurs during the photolithography process.

套准精度 - 在光刻工艺中转移图形的精度.

Atom photolithography is a new application of atom optics in microfabrication technical field.

原子光刻是原子光学在微细加工技术领域的新应用.

With 300 lines of Photolithography and screen resolution, with cyberctm indosinian.

如果采用300线网屏的特技照相制版,就可获得有动感的印成品了.

A novel terbium complex, Tb ( acac ) 3 dad , was synthesized and the photoluminescence ( PL ) properties were studied.

合成了一种新型的稀土配合物Tb ( acac ) 3dad, 讨论了其 光致发光 的性质.

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

研究了Er~3+掺杂浓度和烧结温度对掺Er~ 3+:Al_2O_3粉末发光特性的影响, 掺Er~3+:Al_2O_3粉末具有1.53μm波长的光致发光特性.

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.