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The solidification characteristics of C700R-1 alloy was investigated by DSC analysis, in-situ observation, quenching experiment and Thermo-Calc calculation. The segregation behavior during solidification was analyzed by Scanning Electron Microscope and Electron Probe Microanalysis. At the...
Persistent link: https://www.econbiz.de/10013305053
A mathematical model of a free piston linear engine is established. The motion characteristics as well as the natural frequency map of the free piston are established. Then, its motion characteristics are successfully explained from the oscillation point. The full simulation model is built up in...
Persistent link: https://www.econbiz.de/10008919110
A diesel engine is modified for homogeneous charge compression ignition (HCCI) combustion with dimethyl ether. With and without knock, in-cylinder pressure is acquired, and in-cylinder temperature, rate of heat release (ROHR), pressure rise rate and pressure rise acceleration obtained. Wavelet...
Persistent link: https://www.econbiz.de/10008919963
Biomass gasification using lattice oxygen (BGLO) of natural hematite coupling with steam was conducted in a fluidized bed reactor. The presence of hematite particles evidently facilitated to biomass gasification. Comparing with biomass steam gasification (BSG), carbon conversion and gas yield...
Persistent link: https://www.econbiz.de/10011053471
This study theoretically proposes and experimentally demonstrates the simultaneous reductions of NOx and soot using a novel combustion mode, (dual-fuel sequential combustion) DFSC, on a single-cylinder engine. DFSC introduces a well-mixed, lean fuel/air mixture into the cylinder by injecting...
Persistent link: https://www.econbiz.de/10011055714
Persistent link: https://www.econbiz.de/10011205069
Purpose This paper aims to investigate whether family CEOs benefit investment efficiency under uncertainty with Chinese family firms and to test the moderating effect of ownership structure, including family ownership, the separation of family control from family ownership and the multiple large...
Persistent link: https://www.econbiz.de/10014697697
Purpose: The purpose of this paper is to study the relationship between accounting conservatism and executive compensation-performance sensitivity with a view to identify the influence of accounting conservatism on the efficiency of executive compensation contracts. Design/methodology/approach:...
Persistent link: https://www.econbiz.de/10012068764
Purpose: The purpose of this paper is to explore whether any discrepancy exists between the disclosed in SSB reports of Islamic banks and the disclosure index which was based on stakeholders’ expectation. Design/methodology/approach: This study uses contents analysis as the research method to...
Persistent link: https://www.econbiz.de/10012075353
Persistent link: https://www.econbiz.de/10012081351