搜索结果: 1-13 共查到“工学 Transmittance”相关记录13条 . 查询时间(0.078 秒)
TRANSMITTANCE OR DENSITY – A QUESTION OF BITS?
Digitization Radiometry Film Image Scanner
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2015/5/29
The question of radiometric resolution is an important one in connection with the introduction of digital systems. The number of available bits is generally given with the note that the achieved radio...
Synthesis of Chained Achromatic Layer Systems Forming Controlled Low Transmittance Bands
Thin Films Design Light Propagation
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2013/1/30
The approach utilized in the design of achromatic periods formed of two layers a high-index and a low-index is developed by combining the first two periods together. These two periods are therefore re...
High Refractive Index Bi2O3-B2O3-TeO2 Glass with High Visible-NIR Transmittance
Fiber materials Optical properties
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2015/6/4
We have newly developed Bi 2 O 3 -B 2 O 3 -TeO 2 glass system. This glass shows high transmittance in visible and near-IR wavelength, in spite of their high refractive index and optical nonlinearity.
洋梨硬度的便携式可见/近红外漫透射检测技术（Evaluation of European Pear (Pyrus communis L.) Firmness Based on Portable Vis/NIR Transmittance Technique）
洋梨 硬度 近红外光谱
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2010/12/28
采用便携式可见/近红外检测仪快速检测阿巴特、康佛伦斯和五九香梨硬度。采集洋梨漫透射光谱(500～1010nm)，经二阶导数和卷积平滑处理后，分别建立偏最小二乘法和多元线性回归模型。相关系数法和遗传算法用于选择偏最小二乘法建模变量，预测均方差分别为7.780N和8.080N，相对预测误差分别为26.24%和29.71%。多元线性回归模型使用7个变量，预测均方差和相对预测误差分别为7.740...
Ti-doped In2O3 transparent conductive thin films with high transmittance and low resistivity
sputtering In2O3 transparent conductive oxide thin films
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2011/5/9
Ti-doped In2O3 thin films have been prepared on glass substrate by radio frequency (RF)
sputtering with different sputtering powers (90, 120, 150, and 180 W) at 330 °C. The influence of
sputtering p...
Ta-doped In2O3 transparent conductive films with high transmittance and low resistance
sputtering In2O3 transparent conductive oxide thin films
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2011/5/6
Ta-doped In2O3 transparent conductive oxide (TCO) thin films are deposited on glass substrates
by radio-frequency (RF) sputtering at room-temperature. The influence of sputtering power on
the struct...
Determination of Apparent Amylose Content in Japanese Milled Rice Using Near-Infrared Transmittance Spectroscopy
japonica amylose near infrared transmittance
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2009/7/7
The objective of the present study was to develop a method to analyze apparent amylose content (AAC) of Japanese milled rices using near-infrared transmittance spectroscopy (NIT). Samples (n=110, vari...
Determination of Maximum Viscosity of Milled Rice Flours Using Near-Infrared Transmittance Spectroscopy
japonica amylose pasting properties maximum viscosity
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2009/6/18
The objective of this study was to develop a partial least squares regression (PLS) calibration method of maximum viscosity determination of Japanese milled rice flours using near-infrared transmittan...
Discrimination of Cooked Mochiminori and Koshihikari Rice Grains by Observation of Internal Hollows Using Light Transmittance Photography
light transmittance internal hollow Mochiminori Koshihikari
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2009/6/17
We compared cv. Mochiminori as glutinous rice and cv. Koshihikari as non-glutinous rice using light transmittance photography and clarified that the maximum hollow width/grain width ratios at the holl...
Application of Visible/Near-Infrared Transmittance Spectroscopy for the Improvement of Amylose Determination Accuracy
partial least squares (PLS) regression coefficients japonica
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2009/6/17
The performance of partial least squares (PLS) calibration models developed using NIR and visible transmittance were examined in order to improve the accuracy of the calibration model for amylose cont...
Silica-based versus silica-titania sol–gel materials – comparison of the physical properties: surface tension, gelation time, refractive index and optical transmittance
silica-titania sol–gel materials surface tension
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2011/5/6
Knowledge of the physical parameters and optical constants of sols and sol–gel materials is important in view of their possible applications. In this work, silica and silica-titania sols were examined...
Modeling of light transmittance measurement in a finite layer of whole blood – a collimated transmittance problem in Monte Carlo simulation and diffusion model
multiple light scattering Monte Carlo simulation diffusion model whole blood
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2011/4/26
The paper presents the modeling of transmittance measurement in a finite layer of whole blood. To describe light propagation in whole blood medium, a Monte Carlo simulation was used. The propagation o...
Classification of High Acid Satsuma Mandarins by Near Infrared Transmittance Spectroscopy
citric acid NIR transmittance spectroscopy PLS
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2010/11/23
On-line measurement of sugar content in satsuma mandarins was already achieved using NIR transmittance spectroscopy. The feasibility of simultaneous measurement of citric acid content was investigated...