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Sequential Assimilation of Tracer Test Data by Ensemble Kalman Filter for Fracture Identification
Ensemble Kalman filter Sequential data assimilation Tracer test Fracture CVBEM
2010/9/8
Application of the ensemble Kalman filter (EnKF) to reservoir characterization has the limitation that the observed watercut data cannot be reflected for tuning model variables in some time intervals....
Hydrocarbon Desorption Characteristics of Metal-impregnated Zeolite and Its Evaluation in Vehicle Test
Hydrocarbon absorbent Desorption temperature Silver BEA zeolite Diffuse reflectance UV-vis Silver valence Vehicle exhaust evaluation
2010/9/8
For the purpose of heightening hydrocarbon desorption temperature for hydrocarbon adsorption-combustion catalyst, we researched about some kinds of zeolites and of hydrocarbon adsorption elements. The...
New Test Method for Moisture Permeation in Bituminous Mixtures
Bituminous mixture Moisture damage Blistering Moisture permeation
2009/7/28
Water-related damage to bituminous pavement is considered to result from penetration of liquid water from the surface and/or subsurface. However, surface courses made of bituminous material such as r...
New Wheel Tracking Test to Analyze Movements of Aggregates in Multi-layered Asphalt Specimens
Asphaltic mixture Permanent deformation Strain distribution
2009/7/27
This paper describes a new wheel tracking test for analyzing movements of aggregates in mixtures. The test device is conducted using as examples four-layered specimens taken from two Swiss national m...
Titanium Modified USY Zeolite-based Catalysts for Hydrocracking Residual Oil (Part 3) Preparation and Activity Test of Catalysts Based on Realuminated USY
Hydrocracking Realuminated USY zeolite Titanium modification
2009/7/24
A high Si/Al ratio USY zeolite with high mesoporosity was used as the starting material for hydrocracking catalysts for residual oil to improve the catalytic selectivity for middle distillate fractio...
Formation of Free Sulfur in Hydrodesulfurized Gas Oil—Precautions for Pilot Test of Ultra Deep Hydrodesulfurization Catalysts—
Ultra deep hydrodesulfurization Free sulfur Hydrogen sulfide Light gas oil
2009/7/24
Special precautions for evaluating ultra deep gas oil hydrodesulfurization catalysts in the pilot plant were investigated. Analysis using gas chromatograph atomic emission detector (GC-AED) and GC-MS...
Crack Formation in Asphalt Mixtures in the Wheel Tracking Test at High Temperature
Dense graded asphalt Drainage asphalt Internal cracking Stress distribution
2009/7/24
The formation of internal cracks in asphalt mixtures in the wheel tracking test at high temperature was investigated in dense graded (13F) and drainage asphalt mixtures prepared outside. Such cracks ...
Movement Characteristics of Aggregates in Asphalt Mixtures during the Wheel Tracking Test
Asphalt mixture Deformation characteristic Wheel tracking test
2009/7/24
The deformation characteristics of asphalt mixtures in the crossing direction during the wheel tracking test (1 h, 2500 passes) at high temperature were investigated using dense graded (13F) and drai...
Titanium Modified USY Zeolite-based Catalysts for Hydrocracking Residual Oil（Part1）Preparation and Activity Test of Molybdenum Supported Catalysts
Hydrocracking Titanium modification USY zeolite Residual oil Mesopore
2009/7/23
New USY zeolite-based hydrocracking catalysts were developed to meet the increasing demand for producing clean middle distillates from residual oil. Titanium modified USY zeolite was prepared by trea...