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Search Results: 1 - 10 of 127327 matches for " LI Haijun "
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China English and Dissemination of the Chinese Culture into the English World—A Case Study of the English Versions of Liaozhaizhiyi by Contemporary Translators
Haijun Li
Theory and Practice in Language Studies , 2011, DOI: 10.4304/tpls.1.7.895-897
Abstract: China English refers to the English expressions with Chinese characteristics. It is acceptable for the people in the English-speaking countries as it can meet the requirement of English development and the need of cross-cultural communication between China and the English-speaking countries. It is of significance for the dissemination of the Chinese culture into the English world. Both contemporary western and Chinese translators of Liaozhaizhiyi take advantage of China English to spread the real Chinese culture into the English world.
Distribution of equilibrium free energies in a thermodynamic system with broken ergodicity
Haijun Zhou,Kang Li
Physics , 2007,
Abstract: At low temperatures the configurational phase space of a macroscopic complex system (e.g., a spin-glass) of $N\sim 10^{23}$ interacting particles may split into an exponential number $\Omega_s \sim \exp({\rm const} \times N)$ of ergodic sub-spaces (thermodynamic states). Previous theoretical studies assumed that the equilibrium collective behavior of such a system is determined by its ground thermodynamic states of the minimal free-energy density, and that the equilibrium free energies follow the distribution of exponential decay. Here we show that these assumptions are not necessarily valid. For some complex systems, the equilibrium free-energy values may follow a Gaussian distribution within an intermediate temperature range, and consequently their equilibrium properties are contributed by {\em excited} thermodynamic states. This work will help improving our understanding of the equilibrium statistical mechanics of spin-glasses and other complex systems.
Variational study of the quantum phase transition in bilayer Heisenberg model with Bosonic RVB wave function
Haijun Liao,Tao Li
Physics , 2011, DOI: 10.1088/0953-8984/23/47/475602
Abstract: We study the ground state phase diagram of the bilayer Heisenberg model on square lattice with a Bosonic RVB wave function. The wave function has the form of a Gutzwiller projected Schwinger Boson mean field ground state and involves two variational parameters. We find the wave function provides an accurate description of the system on both sides of the quantum phase transition. Especially, through the analysis of the spin structure factor, ground state fidelity susceptibility and the Binder moment ratio $Q_{2}$, a continuous transition from the antiferromagnetic ordered state to the quantum disordered state is found at the critical coupling of $\alpha_{c}=J_{\perp}/J_{\parallel}\approx2.62$, in good agreement with the result of quantum Monte Carlo simulation. The critical exponent estimated from the finite size scaling analysis($1/\nu\approx1.4$) is consistent with that of the classical 3D Heisenberg universality class.
Optimal Selection of Overseas Oil Development Projects of Sinopec Based on a Multi-Objective Programming Model*  [PDF]
Haijun Fan, Xueqian Zhu, Guangchao Li, Yumei Fan
Open Journal of Social Sciences (JSS) , 2018, DOI: 10.4236/jss.2018.63001
Abstract:
With the continuous low oil price, the national oil companies in China are under the pressure of lowering the development cost and improving their investment efficiency of their overseas investments. Optimal methods are needed in screening the overseas assets within the constraint of investment. This paper presents a multi-objective integer programming model for the optimal selection of overseas oil development projects for Sinopec based on the economic evaluation of various projects in different countries and regions. Combination of economic parameters and practical constraints are discussed and presented in the mathematical models. Application of the model shows its advantages over the traditional screening and ranking methods.
Transformation and Upgrading of Processing Trade in Guangdong under the New Normal Situation: Status Quo, Problems and Opportunities and Strategic Implications  [PDF]
Haijun Liu
American Journal of Industrial and Business Management (AJIBM) , 2017, DOI: 10.4236/ajibm.2017.75046
Abstract: Under the new normal situation, the traditional development model processes trade with the feature of “three high and one low”. It has been eliminated by the times; to promote the transformation and upgrading of processing trade is imminent.?The author takes Guangdong as the research object, which is the coastal processing trade gathering place. Based on the comprehensive analysis of the present situation and development problems of Guangdong processing trade, this paper combines the opportunities and challenges of the transformation and upgrading of Guangdong processing trade under the new normal situation, and puts forward some strategies and revelations to promote the transformation, upgrade, innovation and development of Guangdong’s processing trade under the new normal situation. The strategies such as implementing the “Internet plus”, “machine substitutions” strategy, to carry out the information and intelligent transformation on the processing trade industry, rely on CEPA and free trade area platform to build processing trade transformation, upgrading and innovative service system, to enhance the “rooted” and “localization” of the processing trade industry, innovative talents training and independent brand building mechanism, to promote the upgrading and introduction, transfer of new linkage of the processing trade and so on.
Optimization of Duty Ratio of Metallic Grating Arrays for Infrared Photodetectors  [PDF]
Dong Liu, Yongqi Fu, Lechen Yang, Baoshun Zhang, Haijun Li, Kai Fu, Min Xiong
Optics and Photonics Journal (OPJ) , 2011, DOI: 10.4236/opj.2011.13016
Abstract: Influence of duty ratio of metallic gratings applied in quantum well infrared photodetector (QWIP) with detection ranging from 3 μm to 5 μm was studied in this paper. The influence on longer enhanced wavelength working at infrared waveband was investigated. A relationship between the duty ratio and the enhanced peak intensity is given. Some results can be applied to optimize the enhanced efficiency of the metallic gratings.
The size variation and related implications of mandibles in northern China in the past 7000 years
HaiJun Li,QuanChao Zhang,Hong Zhu
Chinese Science Bulletin , 2012, DOI: 10.1007/s11434-011-4808-1
Abstract: To better understand variation of Holocene Chinese mandiblular morphology, a study was conducted on 23 metric traits of Neolithic (n=54), Bronze-Iron Ages (n=184) and modern (n=92) adult male mandibles from northern China. Results indicate that the linear characters of these Chinese mandibles evolved in the past 7000 years. From the Neolithic to Bronze-Iron Ages to present day, the overall size of mandibles decreased. The linear characters of the mandiblular features varied between different time periods. The decrease of thickness and height of the mandibular corpus primarily occurred during the Neolithic to Bronze-Iron Ages. The decrease in main size was during the Bronze-Iron Ages to present day. It is possible that mandibles became thinner before the overall size decreased. Comparisons also indicate that the bottom part of the face may have decreased more greatly in breadth than the upper portion. The decrease in mandible size may be associated with changes in climate and diet, and with changes in the craniums size.
6-(2-Methylphenyl)-3-(3,4,5-trimethoxyphenyl)-1,2,4-triazolo[3,4-b][1,3,4]thiadiazole
Haitang Du,Haijun Du,Ying An,Shengnan Li
Acta Crystallographica Section E , 2008, DOI: 10.1107/s160053680802062x
Abstract: In the molecule of the title compound, C19H18N4O3S, the planar central heterocylic ring system is oriented with respect to the trimethoxyphenyl and 2-methylphenyl rings at dihedral angles of 4.43 (3) and 4.32 (3)°, respectively. The dihedral angle between the two benzene rings is 7.65 (4)°. In the crystal structure, intermolecular C—H...N hydrogen bonds link the molecules into centrosymmetric R22(18) dimers. These dimers are connected via a C—H...π contact between the 2-methylphenyl and trimethoxyphenyl rings, and a π–π contact between the thiadiazole and trimethoxyphenyl rings [interplanar distance 3.51 , dihedral angles 4.17(4)°]. An intramolecular C—H...N hydrogen bond is also present.
N-[(5-Chloro-3-methyl-1-phenyl-1H-pyrazol-4-yl)carbonyl]-N′-(4-hydroxyphenyl)thiourea
Haitang Du,Haijun Du,Ying An,Shengnan Li
Acta Crystallographica Section E , 2008, DOI: 10.1107/s1600536808019417
Abstract: In the title compound, C18H15ClN4O2S, the pyrazole ring makes dihedral angles of 67.4 (1) and 12.5 (1)° with the phenyl and 4-hydroxyphenyl groups, respectively; the two benzene rings are twisted by 60.1 (1)° with respect to each other. The thiourea NH groups are involved in N—H...O and N—H...Cl intramolecular hydrogen bonds. A hydrogen bond between the phenolic OH group and the pyrazole N atom connects molecules into a one-dimensional polymeric structure.
6-(3-Pyridyl)-3-(3,4,5-trimethoxyphenyl)-1,2,4-triazolo[3,4-b][1,3,4]thiadiazole
Haitang Du,Haijun Du,Ying An,Shengnan Li
Acta Crystallographica Section E , 2008, DOI: 10.1107/s1600536808019855
Abstract: In the molecule of the title compound, C17H15N5O3S, the planar central heterocylic ring system is oriented with respect to the benzene and pyridine rings at dihedral angles of 6.61 (3) and 19.22 (3)°, respectively. An intramolecular C—H...N hydrogen bond results in the formation of a six-membered ring, adopting a flattened boat conformation. In the crystal structure, intermolecular C—H...N hydrogen bonds link the molecules.
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