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61. Generally , low reflectance within low frequency band is difficultly obtained by using ordinary lossy material.

62. In order to develop a new technique diagnosing gastric precancer, we constructed a simple spectral measuring equipment to obtain the diffuse reflectance spectra from the gastric tissue.

63. The application of visual reflectance, colour tone, saturation degree and colorimetric coordinates of colour index are all useful for qualitative observation.

64. Attenuated total reflectance ( ATR ) - FTIR is widely used due to its distinct advantage in studies of polymer films.

65. The formula for reflectance and displacement on free surface were obtained, based on the reflectivity theory.

66. The formula of reflectance of the dielectric mirror is derived.

67. If we can greatly improve the mirror reflectance and reduce mirror surface slope errors, optical efficiency will be improved greatly and thus energy efficiency will be improved greatly.

68. This description of the surface spectral reflectance has the property of color constancy.

69. Methods:Measuring the reflectance and the refrangible of the fresh pigskin and comparing the result with the shelter clothing material.

70. Indicators contain UV ray transmittance screening ratio, protective factor, penetration and reflectance.

71. Basing on the theory, reflectance oximetry and reflectance sensor are designed and developed.

72. Methods: Drug packaging materials were analyzed by ATR ( Attenuated Total Reflectance ) infrared spectrophotometry and transmittance infrared spectrophotometry.

73. OBJECTIVE Near infrared diffuse reflectance spectrophotometry (NIRDRS) and chemometrics were applied to the quantitative analysis of cefalexin in capsules.

74. The reflectance ratio reaches more than 90% and the effective reflection and light shading areas can reach 100% under any condition.

75. It can gives color difference of objects based on semispherical spectral reflectance in visible and near infrared wave bands measured by its internal spectrometer.

76. The glass film on the reflector ensures the durable high reflectance.

76. Sentencedict.com try its best to collect and build good sentences.

77. A spectroscopic optical coherence tomography(OCT) system based on the principle of spectroscopic OCT was built, and the reflectance spectrum of multilayer film was measured.

78. Visible and near-infrared reflectance spectroscopy (Vis-NIRS) was applied to fast and non-invasively measure dynamic viscosity and water content of engine lubricant.

79. A real data set from near infrared reflectance spectra of aspirin used to build up artificial network to predict unknown samples .

80. Visible and near - infrared reflectance spectroscopy ( NIRS ) was applied in the discrimination of bayberry juice varieties.

81. Besides, the bubble density and reflectance increased with the wake observation position approaching the target ship.

82. Spectral selective absorbing coating is a kind of special coating with high absorptance in vis-near infrared wavelength and high reflectance in infrared wavelength.

83. With the appearance of new possibilities to measure the multiangular reflectance characteristics, the interest to simulate forest reflectance in any view direction has increased.

84. The results show that the reflectance spectra of J-aggregates of anionic-cationic cyanine dyes adsorbed on AgBrI microcrystals have peak wavelengths of anionic and cationic cyanine dyes.

85. The coal petrologic automatic analysis is realized mainly by means of random reflectance of vitrinite.

86. Black , green , purple, blue , and so on , on lower red light reflectance.

87. Measure of a paper's reflectance with a light of wavelength 457 nm.

88. The diagenetic stages and diagenetic facies are predicted by modeling the paleotemperature, vitrinite reflectance, sterane isomerization rate and authigenic quartz concentration in space and time.

89. Near infrared diffuse reflectance spectroscopy with partial least square fitting (NIRSPLS) was applied for nondestructive quantification of the content of Pyrazinamide in Pyrazinamide tablets.

90. Main Outcome Measures Edema index (E value), signal width value (W value) and features of reflectance pictures.