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

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.

The contents of collagen in mice back skin were measured photometry.

取背部皮肤,用分光光度法测定小鼠皮肤中胶原蛋白的含量.

A portable on-spot measurement of nitrogen dioxide instrument was developed based on photometry.

研制了一种基于光度法现场测定大气二氧化氮的便携式仪器,开发了相应的控制软件.

A new method spectrophotometric determination of trace iron in refined water by doublewavelengh photometry is introduced.

介绍了一种双波长分光光度法测定精制水中痕量铁的方法.

Printing hauled due to photometry error.

因为测光错误,印相不能执行.

Photocells are also used in photometry and spectroscopy.

光电管也应用于光度学和光谱学.

This contrasts with the aerated lung on the right of this photomicrograph.

右边是充满气体的肺组织.

When light enters the photocathode of a photomultiplier tube, photoelectrons are emitted from the photocathode.

当光线进入光电阴极的光电倍增管, 光电子从阴极发出.

The signal of the photomultiplier is sampled 256 times each rotation of the compensator.

光电倍增管信号在每次补偿器旋转时采样256次.

An optical fiber transports the light to the photomultiplier.

光纤传输光线到光电倍增管.