查询词典 photometry

In this paper, based on the comparison between CMOS and CCD image sensor and according to the principles of photometry and radiometry, the imaging range formula of CMOS image sensor in space-based system for space targets is derived with detail analysis, considering the metric of Signal-to-Noise Ratio and taking deep space as background.

在对CMOS和CCD传感器进行对比的基础上，从信噪比的角度出发，以深空作为背景，根据光度学和辐射度学的基本原理，对基于CMOS图像传感器的天基空间目标监测系统的成像距离进行了详细分析和公式推导，并以STAR-1000 CMOS图像传感器为例验证了理论模型和计算公式的正确性，最后对进一步提高CMOS图像传感器成像距离的方法进行了简要分析。

Instrument Systems is the global technology and market leader in photometry and radiometry offering complete and superior light measurement solutions for the entire lighting industry. Headquartered in Munich, Germany, the company develops and manufactures a range of spectroradiometers based on fast CCD array spectrometers as well as high-precision single and double monochromators.

Instrument Systems 是光度测定术和辐射测量术方面的全球技术和市场领导者，为整个照明工业提供完整先进的光测量解决方案，总部座落在德国慕尼黑，司开发生产各种基于快速CCD阵列光谱仪的光谱辐射计和高精度单，双分光仪。

Water samples were eollected from the lakes in East plain, Yungui plateau and Mengxing plateau since 1993. Mineralized degree were analyzed using volumetry and flame photometry.

1993年以来，对东部平原、云贵高原、蒙新高原等地区主要湖泊采取水样，进行了湖水矿化度分析，分析方法为容量分析法和火焰分光光度法。

In order to provide some scientific data for judging biological toxicity and bioavailability caused by heavy metals in sediments in Guilin, China, for the first time, the authors sampled sediments in different water areas in Guilin, and determined AVS by P-Amino dimethyl aniline dihydro chloride photometry through a set of acidification-ventilation-absorption AVS reaction unit, determined copper, lead, zinc, cadmium and nickel with tomic absorption spectrophotometry, mercury and arsenium with atomic fluorescence, and cipangopaludina cathayensis was selected as the tested species for bioavailability experiment.

首次以桂林水系沉积物为研究对象，通过酸化－吹气－吸收装置，用对氨基二甲基苯胺光度法测定沉积物中AVS含量，用原子吸收分光光度法测定SEM和间隙水中Cu、Pb、Zn、Cd、Ni含量，用原子荧光法测定Hg、As含量。

A diphenylcarbazide photometry with the bromocresol green as the internal standard for the determination of chromium in the water has been developed.

采用溴甲酚绿为内标，二苯碳酰二肼光度法测定水体中的六价铬。

Methods The macular pigment optical density was measured in the right eye of 116 adult subjects with heterochromatic flicker photometry.

采用异色闪烁光度仪对116例正常成年人右眼进行黄斑色素密度测量。

METHODS: The authors measured MPOD with heterochromatic flicker photometry, serum lutein and serum zeaxanthin by high performance liquid chromatography, and central foveal retinal thickness by optical coherence tomography in 176 patients (age range, 18-68 years) with typical forms of retinitis pigmentosa; 37 (21%) of these patients had cystoid macular edema by OCT.

作者对176例（年龄范围18-68岁）典型视网膜色素变性患者进行以下测量：采用异色闪烁光度法测量黄斑色素光密度，高效液相色谱法测量血清脂色素和血清玉米黄质，和光学相干断层扫描法测量中心凹中央视网膜厚度；其中37例（21％）患者OCT检查有黄斑囊样水肿。

The total flavone in antioxidant substance extracted from leaves of tartary buckwheat and its scaveninging function to OH and O(superscript - subscript 2) were determined by photometry and the inhibitory action to Lipin peroxidation and its synergy with other substances were studied by iodimetry in the experiment.

从苦荞叶中提取抗氧化性物质，用光度法测定提取物中总黄酮的含量及对羟自由基和超氧阴离子O(上标-下标 2的清除作用，并采用碘量法研究了苦荞叶提取物对脂质过氧化的抑制作用及与其他物质的协同作用。

ResultsThe HPLC Fingerprint photometry of Mangifera indica L. in different tissues showed great difference.

结果芒果叶不同组织部位的HPLC指纹图谱有明显的差异。

ObjectiveTo study HPLC Fingerprint of methanol extract from different tissues from Mangifera indica L. in various species and make a comparison among them. So to provide method guideline and experimental basis for studying and establishment of HPLC Fingerprint photometry of Caulis Herbs like leaves of Mangifera indica L..

目的通过考察3个品种芒果叶不同组织部位甲醇提取物的高效液相色谱指纹图谱，并对其HPLC指纹图谱进行比较，为研究和测定芒果叶等叶类药材的HPLC指纹图谱提供方法指导和实验依据。

The split between the two groups can hardly be papered over.

这两个团体间的分歧难以掩饰。

This approach not only encourages a greater number of responses, but minimizes the likelihood of stale groupthink.

这种做法不仅鼓励了更多的反应，而且减少跟风的可能性。