搜索结果: 1-7 共查到“工学 Nuclear magnetic resonance”相关记录7条 . 查询时间(0.057 秒)
基于核磁共振成像的水果轻微损伤识别（Detecting Subtle Bruises on Fruits with Nuclear Magnetic Resonance Imaging）
鸭梨 核磁共振成像 无损检测 角点检测
2010/12/29
以鸭梨为对象，采用核磁共振成像设备扫描获得轻微损伤鸭梨冠状面图像，使用Matlab软件完成图像预处理，采用自动阈值分割目标区域，并提取鸭梨层切面边界，最后采用角点检测方法检测鸭梨是否有轻微损伤。实验结果表明，核磁共振成像技术对水果轻微损伤的检测精度达92.1%，对正常和畸形水果的检测精度达100%。
Micellization, Interaction and Microenvironment in the Mixed Solution of Pluronics and Surfynol 104 with Nuclear Magnetic Resonance
pluronic triblock copolymer micellization microenvironment
2009/11/16
The micellization, intermolecular interaction and microenvironment of molecular segments in the mixed aqueous solution of PEO-PPO-PEO triblock copolymer (Pluronic? F88, P84 and P123) and Surfynol? 104...
Imaging Electrical Current Density Using Nuclear Magnetic Resonance
Imaging Electrical Current Density Nuclear Magnetic Resonance
2009/7/27
In this study, images of nonuniform and uniform electric current density in conductor phantoms, which contain magnetic resonance active nuclei, are produced using Magnetic Resonance Imaging (MRI). A s...
Analysis of Modified Whole Casein with Different PhosphorusContents Using Phosphorus-31 Nuclear Magnetic Resonance and Fourier Transform Infrared Spectroscopy
casein nuclear magnetic resonance phosphorylation
2008/3/28
The different types of P in modified caseins and the role of P in casein interactions were studied using 31P nuclear magnetic resonance spectroscopy of whole casein with reduced or elevated P concentr...
Characterization of Phosphate Sites in Native Ovine, Caprine, and Bovine Casein Micelles and Their Caseinomacropeptides: A Solid-State Phosphorus-31 Nuclear Magnetic Resonance and Sequence and Mass Spectrometric Study
magic angle spinning nuclear magnetic resonance casein micelles phosphorylation -casein
2008/3/27
The phosphate sites in native ovine, caprine, and bovine casein micelles have been analyzed using sequence analysis, mass spectrometric analysis, and solid-state 31P nuclear magnetic resonance spectro...
Changes in 23Na Nuclear Magnetic Resonance Signal, Water Activity and Saltiness of Miso during Fermentation
water activity saltiness miso
2010/11/22
Changes in saltiness evaluated by sensory analysis, 23Na nuclear magnetic resonance (NMR) signal and water activity (aw) of miso during fermentation were investigated. The line width (full width at ha...
Quality Evaluation of Edible Oils by Proton Nuclear Magnetic Resonance Measurement
1H-NMR external proton standard
2010/11/22
1H-nuclear magnetic resonance (NMR) method using dioxane as the external proton standard was established to evaluate the quality of edible oils. The number of olefinic protons (OP) in oil was determin...