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Effect of Different Temperatures and Parameters Analysis of the Storage Life of Fresh Cucumber and Tomato using Controlled Atmosphere Technology
Different Temperatures Parameters Analysis
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2016/6/2
The objectives of this study were to evaluate the effect of different controlled temperatures and analyze the measures and/or parameters of the controlled atmosphere storage for fresh cucumbers and to...
Effect of Different Nitrogen Fertilizer Types and Application Measures on Temporal and Spatial Variation of Soil Nitrate-Nitrogen at Cucumber Field
Solar Greenhouse Cucumber Nitrate-Nitrogen Nitrogen Retention
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2013/3/8
Nitrate-nitrogen content of groundwater are ever-increasing in underneath vegetable growing areas, in this paper, based on field test of cucumber cultivated in Solar Greenhouse in North China, we stud...
黄瓜采摘机械臂结构优化与运动分析（Optimization Design and Kinematic Analysis of Cucumber-harvesting-robot Manipulator）
黄瓜 采摘机器人 机械臂 参数优化
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2010/12/29
黄瓜采摘机器人在非结构环境中工作时，其机械臂的结构特点与运动精度将直接决定机器人作业范围和采摘成功率。针对黄瓜特定的栽培模式，结合机械臂工作空间及结构长度指标，运用参数优化法，对采摘机械臂构型和结构参数进行了优化设计。建立了机械臂运动D-H模型，实现由关节空间向笛卡尔空间的正逆变换，并确定了机械臂速度雅可比矩阵；应用三次多项式插值法，建立了机械臂关节空间运动规划模型；应用Matlab平台对优化参数...
黄瓜幼苗自发声频率测定方法与试验（Method and Experiment of Spontaneous Acoustic Frequency Measurement on Cucumber）
设施园艺 植物声频控制 自发声频率 功率谱
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2010/12/29
声波处理技术对于设施园艺中植物的生长具有促进作用，但其促进机理不明确，为此以黄瓜为研究对象，对植物自发声频率的测定方法进行了研究，并研究了黄瓜幼苗期的自发声频谱特性。在半消音室内，采用PDV-100激光测振仪，以非接触测量的方式，对黄瓜幼苗不同部位（主脉、叶肉和茎）在不同环境应激条件下（增大光照强度和干旱胁迫）的自发声特性进行监测。对自发声信号进行自相关运算和功率谱分析，获得了黄瓜幼苗的自发声频谱...
基于激光诱导荧光光谱分析的黄瓜叶片叶绿素含量检测（Detecting of Chlorophyll Content of Cucumber Leaves Based on Laser-induced Fluorescence Spectrum Analysis Technique）
叶绿素含量 激光 叶绿素荧光
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2009/11/3
0.93，p0.93, p<0.001) in this excitation light source condition. This research doesn’t only extend the scope of the application of chlorophyll fluorescence detection technology, but also provides a the...
温室环境下黄瓜采摘机器人信息获取（Information Acquisition for Cucumber Harvesting Robot in Greenhouse）
温室 机器人 黄瓜采摘 机器视觉 信息感知
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2009/11/3
研究基于近红外图像的黄瓜果实与茎叶的信息表达方法，有效实现了近色系生物信息的图像识别。分析了黄瓜采摘深度图像信息的特点，通过建立基于灰度相关与极线几何相结合的匹配策略实现了双目视觉下的黄瓜抓取点的立体匹配和三维重建。研究温室环境下不同时间光照强度变化特点，建立了光照分析模型，提高了不同光照条件下的导航线提取的适应性。试验表明机器人视觉系统能有效识别、定位果实的空间位置，定位误差控制在±5 mm以内...
基于机器视觉的非结构环境下黄瓜目标特征识别（Feature Acquisition of Cucumber Fruit in Unstructured Environment Using Machine Vision）
温室 黄瓜 信息处理
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2009/9/11
提出了一种基于近红外光谱成像技术的温室黄瓜信息检测方法。根据黄瓜的光谱反射特性，选用特定波长的近红外光谱图像解决与背景颜色相近的果实信息表征；利用图像内作物灰度分布差异确定果实所在区域，区域内采用矩不变优化阈值分割和特殊形态学模板滤波，实现果实目标有效识别；结合黄瓜物理性状和纹理特征检测果实的可抓取部位，并引入形心主惯性轴思想确定果柄的切割点位置。实验结果表明果实的正确识别率为93.3%，抓取点、...
黄瓜叶片喷雾药液持留量试验（Experiment on Retention of Spray Liquid on Cucumber Leaves）
高压静电喷雾 流失点 最大稳定持留量 接触角 施药量
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2010/5/5
为研究喷雾药液在靶标植株黄瓜叶片上的流失点与最大稳定持留量，以炮塔式压力雾化轴流风送高压静电喷雾系统为试验平台，采用微称量法对其进行了测量。引用润湿方程的基本理论，对影响持留量的因素（喷雾距离、雾滴叶面接触角及施药量）进行了分析，探讨各因素对药液持留量的影响规律。试验结果表明：随着喷雾距离的增加，药液在黄瓜叶片上的流失点和最大稳定持留量先上升后下降，最大值均出现在距离喷头125cm处；药液雾滴在黄...
Lipid Contents and Fatty Acid Composition of Total Lipid of Sea Cucumber Stichopus japonicus and Konowata（Salted Sea Cucumber Entrails）
sea cucumber body wall gonads
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2009/6/17
The fatty acid compositions in the body wall, gonads, and alimentary canal of male and female Stichopus japonicus caught in the Sea of Okhotsk off the coast of Abashiri were analyzed to clarify their ...
Cytostatic Activity of Hot Water Extracts from the Sea Cucumber in Caco-2
Sea cucumber Caco-2 cells Cytostatic activity
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2009/6/10
Sea cucumber is a traditional food item in Asia and has been reported to exhibit antifungal, antitumor, and antioxidant bioactivity as well as other properties. In this study, sea cucumbers were treat...
Apoptosis-inducing Activity of Hot Water Extracts from the Sea Cucumber in Human Colon Tumor Cells
sea cucumber hot water extract Caco-2 cells
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2009/5/31
To study the anti-tumor activity of sea cucumber extracts, human colon adenocarcinoma Caco-2 cells were exposed to hot water extract of sea cucumber. Morphological changes with apoptotic bodies were o...
Proximate Composition, Selected Mineral, Physical Characteristics and In vitro Multienzyme Digestibility of Cucumber (Cucumis sativus) Fruit from Nigeria
Cucumis sativus mesocarp epicarp endocarp in vitro digestibility
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2008/10/31
The proximate composition, mineral, physical characteristics and in vitro digestibilities of cucumber (Cucumis sativus) were determined using standard methods of analysis. The results revealed that th...
Proximate Composition, Selected Mineral, Physical Characteristics and in vitro Multienzyme Digestibility of Cucumber (Cucumis sativus) Fruit from Nigeria
Selected Mineral Physical Characteristics
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2016/5/31
The proximate composition, mineral, physical characteristics and in vitro digestibilities of cucumber (Cucumis sativus) were determined using standard methods of analysis. The results revealed that th...