Li, Hu, Andrews, Gordon E., Daham, Basil, Bell, Margaret, Tate, James, Ropkins, Karl
A precision in-vehicle tail-pipe emission measurement system was installed in a EURO1 emissions compliant SI car and used to investigate the variability in tail-pipe emission generation at an urban...
Li, Hu, Andrews, Gordon E., Zhu, G., Daham, Basil, Bell, Margaret, Tate, James, ...
Thermal characteristics of SI engine exhaust during cold start and warm up period were investigated for different ambient temperatures (-2 to 32 °C). A Euro 1 emission compliance SI car was tested...
Andrews, Gordon E., Zhu, G., Li, Hu, Simpson, Alex, Wylie, James A., Bell, Margaret, ...
The influence of ambient temperature on exhaust emissions for an instrumented Euro 1 SI car was determined. A real world test cycle was used, based on an urban drive cycle that was similar to the ECE...
Relativistic Model of Triquark Structure (2005)
Li, Hu, Shakin, C. M., Li, Xiangdong
At this point it is still unclear whether pentaquarks exist. While they have be seen in some experiments there are many experiments in which they are not found. On the assumption that pentaquarks...
Relativistic Calculation of Pentaquark Widths (2005)
Li, Hu, Shakin, C. M., Li, Xiangdong
We calculate the widths of the various pentaquarks in a relativistic model in which the pentaquark is considered to be composed of a scalar diquark and a spin 1/2 triquark. We consider both positive...
Andrews, Gordon E., Li, Hu, Wylie, James A., Zhu, G., Bell, Margaret, Tate, James
The influence of ambient temperature on exhaust emissions for an instrumented Euro 1 SI car was determined for urban congested traffic conditions. In UK cities cold-starting vehicles directly into...
Application of a portable FTIR for measuring on-road emissions (2005)
Daham, Basil, Andrews, Gordon E., Li, Hu, Rosario, Ballesteros, Bell, Margaret, Tate, James, ...
The objective of this work was the development of an onroad in-vehicle emissions measurement technique utilizing a relatively new, commercial, portable Fourier Transform Infra-Red (FTIR) Spectrometer...
Relativistic Calculation of the Width of the Theta (1540) Pentaquark (2005)
Li, Hu, Shakin, C. M., Li, Xiangdong
We calculate the width of the Theta(1540) pentaquark in a relativistic model in which the pentaquark is considered to be composed of a scalar diquark and a spin 1/2 triquark. We consider both...
Li, Xiangdong, Li, Hu, Shakin, C. M., Sun, Qing, Wang, Huangsheng
We have calculated spectral functions associated with hadronic current correlation functions for vector currents at finite temperature. We made use of a model with chiral symmetry,...
Calculation of Screening Masses in a Chiral Quark Model (2004)
Li, Xiangdong, Li, Hu, Shakin, C. M., Sun, Qing
We consider a simple model for the coordinate-space vacuum polarization function which is often parametrized in terms of a screening mass. We discuss the circumstances in which the standard result...
Quark Propagation in the Quark-Gluon Plasma (2004)
Li, Xiangdong, Li, Hu, Shakin, C. M., Sun, Qing
It has recently been suggested that the quark-gluon plasma formed in heavy-ion collisions behaves as a nearly ideal fluid. That behavior may be understood if the quark and antiquark mean-free- paths...
Li, Xiangdong, Li, Hu, Shakin, C. M., Sun, Qing, Wang, Huangsheng
We calculate spectral functions associated with hadronic current correlation functions for vector currents at finite temperature. We make use of a model with chiral symmetry, temperature-dependent...
Li, Hu, Shakin, C. M., Sun, Qing
We calculate spectral functions associated with hadronic current correlation functions for vector and pseudoscalar currents at finite temperature. We make use of the Nambu--Jona--Lasinio (NJL) model...
He, Bing, Li, Hu, Shakin, C. M., Sun, Qing
The Euclidean-time hadronic current correlation functions, $G_P(\tau, T)$ and $G_V(\tau, T)$, of pseudoscalar and vector currents have recently been calculated in lattice simulations of QCD and have...
He, Bing, Li, Hu, Shakin, C. M., Sun, Qing
We make use of the Nambu-Jona-Lasinio (NJL) formalism and real-time finite-temperature field theory to calculate hadronic current correlation functions in the deconfined phase of quantum...
Deformed Legendre Polynomial and Its Application (2002)
Yang, Wei Min, Li, Hu, Jing, Si Cong
A new kind of deformed calculus was introduced recently in studying of parabosonic coordinate representation. Based on this deformed calculus, a new deformation of Legendre polynomials is proposed in...
Calculation of the Excitations of Dense Quark Matter at Zero Temperature (2002)
He, Bing, Li, Hu, Shakin, C. M., Sun, Qing
Recently there has been a great deal of interest in studying the properties of dense quark matter, with particular reference to diquark condensates and color superconductivity. In the present work we...
He, Bing, Li, Hu, Shakin, C. M., Sun, Qing
We report the results of calculations of pseudoscalar-isoscalar hadronic current correlators using the Nambu--Jona-Lasinio model and the real-time finite-temperature formalism. Results are presented...
Calculation of Hadronic Excitations of the Quark-Gluon Plasma (2002)
We present calculations of the spectral functions of various hadronic current correlators at finite temperature, making use of the Nambu--Jona-Lasinio (NJL) model and the real-time finite-temperature...
Chiral Symmetry Restoration and Deconfinement of Light Mesons at Finite Temperature (2002)
There has been a great deal of interest in understanding the properties of quantum chromodynamics (QCD) for a finite value of the chemical potential and for finite temperature. Studies have been made...
Recent years have seen extensive applications of the Nambu--Jona-Lasinio (NJL) model in the study of matter at high density. There is a good deal of interest in the predictions of diquark...
Quark and Nucleon Self-Energy in Dense Matter (2002)
Celenza, L. S., Li, Hu, Shakin, C. M., Sun, Qing
In a recent work we introduced a nonlocal version of the Nambu--Jona-Lasinio(NJL) model that was designed to generate a quark self-energy in Euclidean space that was similar to that obtained in...
Quark Condensates and Momentum-Dependent Quark Masses in a Nonlocal Nambu--Jona-Lasinio Model (2002)
He, Bing, Li, Hu, Sun, Qing, Shakin, C. M.
The Nambu--Jona-Lasinio (NJL) model has been extensively studied by many researchers. In previous work we have generalized the NJL model to include a covariant model of confinement. In the present...
Andrews, Gordon, Li, Hu, Jones, M.H., Hall, James, Rahman, A.A., Mawson, P.
A method of cleaning lubricating oil on line was investigated using a fine bypass particulate filter followed by an infra red heater. Two bypass filter sizes of 6 and 1 micron were investigated, both...
Gordon, Andrews, Li, Hu, Xu, Jie, Jones, M.H, Hall, J., Rahman, A.A., ...
A method of cleaning the oil on line was investigatedusing a bypass fine particulate filter followed by an infra red heater to remove water and light diesel fractions in the oil. This was tested on a...
In architecture, a theoretical concept can be either applied to a project or derived from it. In my case, I choose to use the video-construction as the concept, which will be applied to an...
Thesis (Ph. D.)--University of Southern California, 1996.