搜索结果: 1-9 共查到“工学 Surface area”相关记录9条 . 查询时间(0.234 秒)
COMBINING SPECTRAL AND TEXTURE FEATURES USING RANDOM FOREST ALGORITHM: EXTRACTING IMPERVIOUS SURFACE AREA IN WUHAN
Impervious surface area Random forest Texture features
2016/11/23
Impervious surface area (ISA) is one of the most important indicators of urban environments. At present, based on multi-resolution remote sensing images, numerous approaches have been proposed to extr...
REMOTE SENSING OF IMPERVIOUS SURFACE AREA FOR IMPROVED HYDROLOGIC MODELING
Remote Sensing High Resolution Orthoimage Object Coast Hydrology
2015/12/26
Impervious surface area (ISA), one of the consequences of urban development, has been used as an important indicator for environmental impacts of urbanization. In this study, we extracted ISA informat...
ISO 5725-2 Standard Application to Verification of Orthophoto-Based Impervious Surface Area and Imperviousness Factor Determination
Imperviousness Factor Photointerpretation Accuracy IKONOS Airborne Ortophotomap
2015/12/18
The main aim of the research described in the paper was analyse the accuracy of photointerpretation of impervious surface using IKONOS images and its influence on the imperviousness factor determinati...
DETERMINATION OF GLACIER SURFACE AREA USING SPACEBORNE SAR IMAGERY
Glacier Surface Area SAR Feature Extraction Glacier Velocity Random Forests
2014/4/24
Glaciers are very important climate indicators. Although visible remote sensing techniques can be used to extract glacier variations effectively and accurately, the necessary data are depending on goo...
Nano Silica with High Surface Area from Rice Husk as a Support for 12-Tungstophosphoric Acid: An Efficient Nano Catalyst in Some Organic Reactions（图）
amorphous silica heteropolyacid heterogeneous catalysis nano catalyst rice husk
2013/10/5
Nano silica was prepared from rice husk with high surface area. X-ray diffraction (XRD) pattern showed that the amorphous form of silica was produced. Chemical composition of the nano silica was estim...
Comparison by 35S Radiotracer Methods of Hydrodesulfurization Behavior for Molybdenum, Cobalt-Molybdenum and Nickel-Molybdenum Catalysts Supported on γ-Alumina and High Specific Surface Area Titania
Hydrodesulfurization Dibenzothiophene γ-Alumina High surface area titania
2009/7/28
The differences between MoS2, CoMoS and NiMoS HDS catalysts supported on γ-alumina and high SSA titania are investigated based on the results of [35S]DBT HDS experiments. Previous studies of MoS2 and ...
Investigation of Sulfur Behavior on Mo-based Hydrodesulfurization Catalysts Supported on High Surface Area TiO2 by 35S Radioisotope Tracer Method
Hydrodesulfurization High surface area titania Molybdenum catalyst
2009/7/27
Mo catalysts were prepared by impregnation of titania synthesized by the pH swing method which provides a TiO2 carrier with a high specific surface area (134 m2·g−1) and excellent mechanical pr...
Numerical Investigation of Wetted Surface Area and Pressure Distribution Acting on a Planing Ship
Planing Ship Numerical Investigation
2009/3/30
This paper presents a numerical simulation method to predict the wetted surface area and hydrodynamic forces acting on a planing ship running in a fixed condition. The flow field around a planing ship...
Application of Methylene Blue Adsorption to Cotton Fiber Specific Surface Area Measurement: Part I. Methodology
Specific Surface Area Measurement Cotton Fiber Methylene Blue Adsorption
2008/4/14
Adsorption of methylene blue or 3,7 bis (dimethylamino) phenothiazin-5-ium ion was used to measure the specific surface areas of six cotton fibers taken from the International Calibration Cotton Stand...