Ruiyang Li

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Measurements were taken for a 35-ton-per-hour biomass-fired travelling grate boiler. Local mean concentrations of O(2), CO, SO(2) and NO gas species and gas temperatures were determined in the region above the grate. For a 28-ton-per-hour load, the mass ratios of biomass fly ash and boiler slag were 42% and 58%, the boiler efficiency was 81.56%, and the(More)
The design of graphene-based composite with high thermal conductivity requires a comprehensive understanding of phonon coupling in nanosized graphene. We extended the two-temperature model to coupled groups of phonons. The study give new physical quantities, the phonon-phonon coupling factor and length, to characterize the couplings quantitatively. Besides,(More)
With the development of multiple-input multiple-output (MIMO) radar, in addition to satisfy general function in target detection, most systems also involve the function of target recognition, parameter estimation, etc. This requires that the MIMO radar works in wideband mode. This paper proposes a way to detect moving target using Doppler effect correction,(More)
Based on the mechanism of mass and heat transfer and interaction of the particles and air in drying tube, the mathematic model of Pneumatic drying process in a straight horizontal tube was established. According to the characteristics of the model, the equations were solved by Runge-Kutta integration method. Then, by the analysis of the factors influencing(More)
Through the analysis of the characteristics of the drying process of biomass fuel particles, a numerical model was developed to describe the heat and mass transfer process in pneumatic drying of biomass fuel particles in horizontal tube based on two-phase flow theory. This model is solved by numerical method. The experiment result shows that the model can(More)
OBJECTIVE To evaluate the clinical value of a preoperative predictive scoring system which was established by the National Cancer Center Hospital (NCCH) for the postoperative pancreatic fistula (POPF) after pancreaticoduodenectomy. METHODS The clinical data of 269 patients who underwent pancreaticoduodenectomy at the Affiliated Provincial Hospital of(More)
Mercury forms emitted from coal combustion via air pollution control devices are speculated to carry different Hg isotope signatures. Yet, their Hg isotope composition is still not reported. Here, we present the first onsite Hg isotope data for gaseous elemental Hg (GEM) and gaseous oxidized Hg (GOM) of flue gases from a typical lignite-fired power plant(More)
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