搜索结果: 1-11 共查到“CSG”相关记录11条 . 查询时间(0.063 秒)
Energy return on investment, energy payback time, and greenhouse gas emissions of coal seam gas (CSG) production in China: a case of the Fanzhuang CSG project
Coal seam gas EROI Energy payback time Greenhouse gas emissions Global warming potential China
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2018/4/2
The studies and development of coal seam gas (CSG) have been conducted for more than 30 years in China, but few of China’s CSG projects have achieved large-scale commercial success; faced with the boo...
3d Industrial Reconstruction by Fitting Csg Models to a Combination of Images and Point Clouds
Industrial Reconstruction Point Cloud Laser Scanning
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2015/7/14
We present a method for 3D reconstruction of industrial sites using a combination of images and point clouds with a motivation of
achieving higher levels of automation, precision, and reliability. Re...
MODELLING 3D OBJECTS USING WEAK CSG PRIMITIVES
LIDAR Urban Extraction Modeling
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2015/6/1
here have been numerous approaches to automatically extract man-made objects from images or laser scan data in the
past. Many efforts have been put into the detection and measurement of object parts....
SEMI-AUTOMATED CSG MODEL-BASED BUILDING EXTRACTION FROM PHOTOGRAMMETRIC IMAGES
Digital Photogrammetry Semi-automation
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2015/6/1
Using pre-defined models to extract spatial information of the building, called model-based building extraction, has been considered
as a convincible approach to improve the existing photogrammetric...
OBJECT-ORIENTED MEASUREMENT OF PIPE SYSTEMS USING EDGE MATCHING AND CSG MODELS WITH CONSTRAINTS
CAD error propagation object-oriented photogrammetry reconstruction
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2015/1/6
A method for the measurement of pipe systems from a collection of images is presented. A predefined library of parameterized object models defined by CSG trees is used to describe several types of pip...
Study to probe farm impacts of CSG development
farm CSG
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2014/7/8
Researchers at The University of Queensland are seeking landholders with practical knowledge and experience of coal seam gas development on their land to help identify successful co-existence strateg...
限定TIN与CSG集成仿真模型生成算法研究
不规则三角网 构造实体几何 边界细分
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2009/1/5
为了有效地组织和管理三维GIS空间数据，实现对三维空间实体高效、完整地表达，提出了限定不规则三角网（TIN）与构造实体几何（CSG）集成的仿真建模算法。采用TIN模型描述地形，CSG模型描述建筑物，通过抽取建筑物地面轮廓线作为地形三角剖分时的限定约束条件，将两种模型有机集成在一起。同时，实现了两类模型可视化渲染操作的同步进行。仿真试验结果表明，算法在保证模拟精度的前提下，能有效地简化建模过程，在一...
明暗效果快速多变的CSG实本显示技术
CSG 明暗显示 实体造型
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2008/12/22
CSG(Constructive Solid Geometry)是实体造型中一种重要表示方法.传统的CSG实
体显示方法不仅费时,而且难以控制明暗效果.本文提出的方法以一种新的CSG体素表面光
强生成模型为基础,结台深度缓冲技术,能快速有效地显示CSG实体,方便灵活地控制明暗效
果.
CSG-35/3.82-LM(FX)型循环流化床锅炉
循环流化床锅炉 低污染燃烧 燃煤锅炉 循环锅炉
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2008/10/22
该锅炉属低倍率循环流化床锅炉，采用IT型布置，单汽色、高位布置埋管，槽形分离器和改进型“L”型回料阀，极低水位保护，超压保护措施。该锅炉低温燃烧能抑制NOx的生成，加脱硫剂易于实现脱硫，有利于环保，锅炉热效率高，灰渣可以综合利用，对流受热面采用较低的烟气流迷，减轻磨损，延长了锅炉使用寿命，锅炉样机热工性能经机械工业工业锅炉产品质量监督检测中心测试，在燃用劣质烟煤时能达到额定压力，并有10％以上超负...
CSG-C木材除湿干燥微电脑控制仪（图）
CSG-C木材除湿干燥 微电脑控制仪
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2008/6/16
CSG-B、CSG-C型木材除湿干燥微电脑控制仪适合各种除湿式木材干燥机， 固化70个各阶段干燥基准，可根据用户要求调整；其中B型为数码管显示，C型为液晶大屏幕汉字显示。本控制仪具有 操作简便、工作稳定、较大地提高干燥质量和缩短干燥时间的功能。
本所郑重承诺：在同等价格下，购买本所AAG系列木材除湿干燥机，奉送本所自行研制、国内首创的含70个 干燥基准的CSG-C型高档木材除湿干燥微电脑控制...
CSG
华北电力大学电气工程学院 CSG
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2008/6/30
项目（成果）内容：“CSG 300A数字式大型发电机变压器组保护装置”是在中国工程院首批院士、华北电力大学教授杨奇逊博士领导下，组织专题攻关小组经过多年研究、试验、不断改进完善，取得了具有国际先进、国内领先的科研成果，属电气工程技术领域，适用于600MW、500kV及以下容量和电压等级的各种类型发电机变压器组的数字式成套继电保护装置。
技术先进性及...