搜索结果: 1-15 共查到“工学 grape”相关记录26条 . 查询时间(0.093 秒)
Introducing Aravelle – a new white wine grape that was 42 years in the making.
Kinetic analysis of anthocyanin degradation and polymeric colour formation in grape juice during heating
red grape monomeric anthocyanins thermal processing reaction kinetics antioxidant activity
2015/3/30
The degradation of total monomeric anthocyanins and changes in the proportion of polymeric colour (% PC) as well as antioxidant capacity of grape juice were studied during heating at 70–90°C. Anthocya...
Potentials of small, lightweight and low cost Multi-Echo Laser Scanners for detecting Grape Berries
Laser scanning low-cost, lightweight multi-echo segmentation grape berries
2014/7/30
Mobile sensor devices offer great opportunities for automatic scene analysis and object recognition. Nowadays a new generation of ranging devices is available, like laser scanners which are small and ...
Wine Grape Production
Wine Grape Production
2013/6/28
Grapes are produced in many areas throughout the Commonwealth and lend themselves well to small-scale and part-time farming operations. Due to the nature of grape production, considerable production c...
Influence of various rootstocks on the yield and grape composition of Sauvignon Blanc
grapevine yield parameter grape juice quality
2014/2/25
This influence of various rootstocks on the yield and grape composition of Sauvignon Blanc was examined. The yield on rootstock 41B/72 was 1 kg/vine or more higher than on rootstocks SO4 cl. 31, Ripar...
Physical methods of resveratrol induction in grapes and grape products – a review
trans-resveratrol methods of enchrichements UV irradiation ozonisation
2014/2/25
rans-resveratrol ((E)-3,4',5-trihydroxystilbene) is a substance that is produced by a large number of plants as a phytoalexin and has a wide range of beneficial biological properties. Resveratrol has ...
GRAPE – GIS REPETITION USING AUDIO-VISUAL REPETITION UNITS AND ITS LEANRING EFFECTIVENESS
GIS Teaching Learning Multimedia Education Training Web based Podcast
2014/5/9
A new audio-visual learning medium has been developed at the Department of Environmental Sciences at ETH Zurich (Switzerland), for use in geographical information sciences (GIS) courses. This new medi...
Effect of moisture content on thermodynamic characteristics of grape: mathematical and artificial neural network modelling
sorption thermodynamic drying, neural network grape
2014/2/25
Artificial neural networks (ANNs) and four empirical mathematical models, namely Henderson, GAB, Halsey, and Oswin were used for the estimation of equilibrium moisture content (EMC) of the dried grape...
Yeast assimilable nitrogen in South Moravian grape musts and its effect on acetic acid production during fermentation
stuck fermentation sluggish fermentation Vitis vinifela L. must yeast
2014/2/25
We observed the content of yeast assimilable nitrogen in grape musts, its consumption by yeasts during fermentation, and acetic acid production. The experiments were performed in the years 2007 and 20...
Biocontrol of Grey Mould Disease on Grape Caused by Botrytis cinerea with Autochthonous Wine Yeasts
biocontrol agents Botrytis cinerea grey mould antagonism grapes wine yeasts
2010/12/21
Biocontrol activities of different yeast species and strains isolated from grape/must/
wine environments have been compared to those of commercially available antagonistic
yeast species of Candida o...
基于计算机视觉的葡萄茎直径高精度测量方法（High Accuracy Measurement of Grape Stem Diameter Based on Computer Vision）
萄萄 茎直径 计算机视觉 非接触测量 图像处理
2009/12/28
提出了基于计算机视觉的葡萄茎直径测量方法，采用双边滤波降低图像噪声，通过Otsu阈值分割和BloB分析实现葡萄茎与背景的分离，应用基于特征点的定位方法得到茎直径测量位置，由茎直径所包含像素数和尺寸当量计算出茎直径值，从而实现茎直径连续测量。实验和现场应用表明，系统测量重复精度可达±0.5μm。
Kinetic Modelling of the Maillard Browning Reaction in Pekmez (Grape Molasses)
Maillard reaction Temperature pH Concentration
2009/10/14
The effects of pH, temperature and total solube solids on the Maillard reactions which occurred during the storage of Pekmez were determined using accelerated storage test. The reaction was followed m...
Stabilizing Effect of Grape Seed Extract on Ascorbic Acid
grape proanthocyanidin ascorbic acid
2009/6/18
L-Ascorbic acid (AsA) has numerous biological activities. It is known that AsA is unstable under neutral and alkaline conditions, degrading almost completely within several hours, whereas it is relati...
Enin Isolated from Skin of Red Grape（Vitris vinifera）Induces Apoptosis in Human Lymphoid Leukemia Molt 4B Cells
enin growth inhibition apoptosis
2009/6/18
We have investigated the effect of extract prepared from skin of red grape (Vitris vinifera) on the growth of human lymphoid leukemia Molt 4B cells. It was found that the extract obtained by extractio...
基于计算机视觉的葡萄检测分级系统（Grape Inspection and Grading System Based on Computer Vision）
葡萄 分级 计算机视觉 图像处理
2010/4/1
设计了一套基于计算机视觉的葡萄检测分级系统，包括驱动装置、输送机构、夹持机构、图像采集与处理系统和分级控制系统，葡萄以悬挂方式连续输送，两个CCD摄像机在外触发模式下实时采集葡萄的两面图像。基于RGB色彩空间计算果面着色率，采用投影面积法和果轴方向投影曲线计算果穗大小和形状参数，进而实现葡萄外观品质分级。选用20穗巨峰葡萄进行3次分级试验，与人工分级对比，颜色和大小形状分级的准确率分别为90%和8...