搜索结果: 1-15 共查到“工学 sections”相关记录17条 . 查询时间(0.968 秒)
THE ACCURACY ANALYSIS OF LIDAR-DERIVED ELEVATION DATA FOR THE GEOMETRIC DESCRIPTION OF CROSS-SECTIONS OF A RIVERBED
DEM/DTM LIDAR Floods Hydrology Hazards
2014/4/24
The work stems from a joint study between the Laboratory ASTRO (Department of Civil and Industrial Engineering - University of
Pisa), the municipality of Pisa and the province of Arezzo on the advan...
Cross sections for proton-induced reactions on Pd isotopes at energies relevant for the gamma process
Cross sections proton-induced reactions Pd isotopes energies relevant
2011/7/21
Proton-activation reactions on natural and enriched palladium samples were investigated via the activation technique in the energy range of E_p=2.75 MeV to 9 MeV, close to the upper end of the respect...
Opportunities to constrain astrophysical reaction rates for the s-process through determination of the ground state cross sections
astrophysical reaction rates s-process ground state sections
2011/7/21
Modern models of s-process nucleosynthesis in stars require stellar reaction rates with high precision. Most of the neutron capture cross sections in the s-process have been measured and for an increa...
Reply to the comments by I. Angeli and J. Csikai on : 'Cross sections of neutron-induced reactions'
I. Angeli J. Csikai neutron-induced reactions Nuclear Theory
2011/10/11
Abstract: Comments by Dr. I. Angeli and Dr. J. Csikai raise concerns and questions regarding omission of references, proper name of the model, energy dependence of the radius and average chord length ...
Variation of Average Velocity Through the Transition Pipes at Cross Sections Perpendicular to the Axis
Transition Pipes Area and Velocity Variation Linear Transition
2009/10/15
Transition ducts are used in water channel and wind tunnels, turbomachinery, especially aircraft air intakes and power station ducting systems. Due to significant energy losses, flow through these duc...
Modular Limit for Flumes of Rectangular Compound Sections
Open channel Submerged flow Modular limit Flumes Compound cross section
2009/10/14
A series of laboratory experiments were carried out in a flow measurement flume of rectangular compound cross section to investigate the e ect of the throat width and step height on the values of modu...
EXPERIMENTAL STUDY ON THE PERFORMANCE LIMITATION OF MICRO HEAT PIPES OF NON CIRCULAR CROSS-SECTIONS
micro heat pipe non circular cross-section
2009/10/14
An experimental study of three different cross-sections (circular, semicircular and rectangular) of micro heat pipes having same hydraulic diameter (D = 3 mm) is carried out at three different inclina...
Prediction of Aerodynamic Characteristics of Missiles with Circular and Noncircular Cross Sections
missile aerodynamics normal force center of pressure
2009/10/14
In this study, an engineering method is presented for computing the aerodynamic characteristics of missiles with circular, square, rectangular and elliptical cross sections. To predict the normal forc...
An Approximate Torsion Analysis of Closed Moderately Thick-Walled, Thick-Walled, and Solid Cross-Sections
Uniform torsion Approximate analysis Moderately thick-walled sections
2009/9/30
An approximated model and mathematical formulation are presented for the uniform torsion analysis of closed moderately thick-walled, thick-walled, and solid cross-sections. For this purpose, the consi...
A New Method for Travel Time Estimation on Long Freeway Sections
freeway traffic image processing pattern recognition
2009/9/29
The knowledge of travel times on road networks is of vital importance for network operators as well as for drivers. Operators can use travel time information to improve control on their networks. Driv...
Development of Visualization Technique for Three-Dimensional Distribution of Protein and Starch in a Brown Rice Grain Using Sequentially Stained Sections
3D rice section
2009/7/8
A three-dimensional (3D) visualization technique was developed to visualize the distributions of protein and starch inside the whole body of a brown rice grain. The automatic precision microtome syste...
Recent Trends in the Molecular Design Towards Large Two-Photon Absorption Cross-Sections
Nonlinear optics Two-photon absorption Third-order polarizability
2009/6/12
Studies on the molecular design directed towards large two-photon absorption cross-sections have been reviewed. Organic compounds that showed two-photon absorption cross-sections larger than 1000 GM a...
Synthetic seismic sections of an accretionary prism reproduced by 3D sandbox experiment
geological modeling seismic modeling interpretation
2009/4/13
The aim of this study is to construct database of interpretation templates by synthesizing the seismic responses on the complex geologic structures reproduced by scaled analogue modeling. We combine...
A Study on Wing Sections for the Switch-Back Motion of Very Large Mobile Offshore Structure
VLMOS Switch-Back Motion
2009/3/27
A concept of sailing type Very Large Mobile Offshore Structure for the wind-power generation, which is abbreviated to VLMOS, is presently being studied in Japan. VLMOS keeps its position with the swit...
Axial crushing of monotubal and bitubal circular foam-filled sections
CAD/CAM Energy absorption Bitubal and monotubal circular specimens Numerical techniques
2010/2/22
Purpose: The main goal of this paper is to present experimental and numerical studies of dynamic axial crushing of thin-walled monotubal and bitubal foam-filled cylindrical sections.
Design/methodolo...