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( Ming Chen ) 세계문화관광학회 2014 International Journal of Culture and tourism Resea Vol.7 No.1
This paper described the origin and development of Ramen and compared the different development modes of Ramen enterprises in China. The paper discovered Ajisen Ramen,Korean Ramen and Chinese Lanzhou Ramen (the Muslim family restaurant) developed in different ways. Ajisen China is one of the largest fast food chain enterprises in China.However, Korean Ramen is recently popularized in China based on affecting of Korean culture.Rapid development both of them benefits from China’s opening-up policy. In compartison with Ajisen and Korean Ramen,Lanzhou Ramen is composed of thousands and tens of thousands of restaurants, which mainly come from Muslim families in Hualong County, Qinghai Province. The rise of Lanzhou Ramen has substantially changed the living condition of the ethnic immigrants in the process of Chinese urbanization, which benefits from China’s reform policy.
Gene regulations and delivery vectors for treatment of cancer
Ming Chen,Yu‑Xin Ren,Ying Xie,Wan‑Liang Lu 한국약제학회 2020 Journal of Pharmaceutical Investigation Vol.50 No.3
Background Resistant residual cancer and cancer stem cells after comprehensive treatment often result in the recurrence of cancer. The refractory nature of cancer is an important scientific problem to be solved. Area covered An emerging gene regulation strategy of cancer is involved in the cross field of chemistry, genomics, bioinformatics and pharmaceutical sciences, which could offer a possible solution to a curative strategy of cancer. Expert opinion In this review, we dealt with the advances and applications of major gene regulation strategies, including DNA modification, gene editing and RNA regulations. Moreover, we also analyzed the representative transfection carriers for delivering the genetic material into cancer cells, including viral and non-viral vectors. Herein, we conclude that the gene regulation by a safe and high efficient transfection vector would be promising to provide a new treatment strategy for fully recovery of cancer disease.
Real-Time Prediction Model for Infrared Characteristics of Turbofan Engine
Ming Chen,Haoying Chen,Haibo Zhang,Jiayi Luo 한국항공우주학회 2022 International Journal of Aeronautical and Space Sc Vol.23 No.5
To improve the infrared stealth performance of the engine, an infrared characteristics real-time prediction model suitable for the overall design/control system simulation of small bypass ratio turbofan engine with typical exhaust system structure was developed. First, the accuracy and calculation speed of the model was proved to meet the requirements after comparing with CFD results; Then, the influence of the cycle parameters on the infrared characteristics was analyzed by the model. Steady-state numerical simulations were carried out for different flight missions, and the variation law of the engine infrared characteristics in the flight envelope was obtained. Finally, the dynamic response of infrared characteristics in transient state was studied. The results show that the infrared radiation intensity in the afterburner state increased by 1–2 orders of magnitude compared with the cruise state; The response speed of lateral infrared radiation intensity was basically consistent with that of thrust, while the response of backward infrared radiation intensity lagged greatly. Some useful implications from this study include turbofan overall optimized design and performance seeking control.
MingChen Ding,Yugui Han,Yigang Liu,Yefei Wang,Yefei Wang,Yujing Yuan 한국공업화학회 2019 Journal of Industrial and Engineering Chemistry Vol.72 No.-
Adaptability in improving hydrophobically associating polyacrylamide (HAPAM)flooding by reducinghydrophobicity (to decrease retention) while increasing molecular weight (to ensure viscosity), wasresearched by the comparative study of an accordingly modified HAPAM (M-HAPAM), a conventionalHAPAM (C-HAPAM) and a classical hydrolyzed polyacrylamide (HPAM). Attention is paid to theirthickening ability, injectivity and propagation, retention, andfinally oil-displacing performance. Resultsshow that hydrophobicity reduction helps retention decrement and propagation enhancement of MHAPAM,making it outperform C-HAPAM with regard to injectivity, propagation, and oil recovery:however, HPAM works best at permeabilities of1 mm23 mm2, and M-HAPAM needs morehydrophobicity reduction.
Synchronization of Inertial Cohen-Grossberg-type Neural Networks with Reaction-diffusion Terms
Mingchen Huan,Chuandong Li 제어·로봇·시스템학회 2022 International Journal of Control, Automation, and Vol.20 No.12
This paper investigates the synchronization of inertial reaction-diffusion Cohen-Grossberg-type neural networks. Compared with the existing works concerning reaction-diffusion neural networks, the main innovation of this paper is that two design strategies of feedback synchronization controllers are proposed based on the types of time delays. For the systems with bounded differentiable delays, the sufficient conditions for synchronization are derived under the framework of Lyapunov method. If the time delay of the addressed system is unbounded or non-differentiable, it can also realize synchronization by employing the method of variation of parameters and some analytical techniques. Moreover, the proposed methods are applicable to various boundary conditions. The correctness of the obtained criteria is verified by three numerical examples.
The role of IFT and emulsification in recovering heavy oil during S/SP flooding
MingChen Ding,Yefei Wang,Zongyang Li,Dong Zhong,Fuqing Yuan,Yangwen Zhu 한국공업화학회 2019 Journal of Industrial and Engineering Chemistry Vol.77 No.-
Six surfactant (S) and surfactant-polymer (SP) systems (with different interfacial tension (IFT) andemulsification behaviors) were compared for their ability to recover heavy oil. Attention is paid to theiremulsifying capacity, emulsion stability, heavy-oil viscosity reduction, microscopic displacement, andfinal oil recovery. It is found that the advantages in emulsion stability, oil-viscosity reduction, and moreenlargedsweep volume (observed in microscopic displacements), make the non-ultra-low IFT systemsmore powerful in recovering heavy oil compared to other ultra-low-IFT systems, indicating the dominantrole of emulsion stability over ultra-low-IFT for SP systems when enhancing heavy oil (657.0 mPa s)recovery.
Apparatus for producing a 168Er Bose–Einstein condensate
Seo Bojeong,Chen Ziting,Huang Mingchen,Parit Mithilesh K.,He Yifei,Chen Peng,Jo Gyu-Boong 한국물리학회 2023 THE JOURNAL OF THE KOREAN PHYSICAL SOCIETY Vol.82 No.9
We report on the experimental realization of Bose–Einstein condensate (BEC) of 168Er atoms with tunable s-wave and dipolar interactions in a newly developed apparatus. Here, we describe an efcient method for trapping slow Er atoms in a narrow linewidth magneto-optical trap. After evaporative cooling in a crossed optical dipole trap, we achieve a spin-polarized condensate of > 2.5 × 104 atoms at the temperature of T ≃ 50 nK. The efcient preparation of ultracold erbium bosons ofers new possibilities for studying many-body physics with dipolar interactions.
Jun Zhang,Yanhui Guo,Weiwei Lu,Xuming Guo,Mingchen Xu,Hongbo Guo 한국공업화학회 2012 Journal of Industrial and Engineering Chemistry Vol.18 No.5
Highly dispersive ammonium dimolybdate crystals with high purity have been prepared through reaction–evaporation–crystallization united route using commercial molybdenum oxide as starting material. The as-prepared ammonium dimolybdate uniform crystals were systematically characterized by X-ray powder diffraction, transmission-reflection optical microscope, Fourier transform infrared spectroscopy and TG-DSC thermal analysis. The Fsss grain diameter, loose packed density, and crystal-grain size distribution were also measured by the Malvern laser particle sizer. These collective characterization and analysis reveal that the ammonium dimolybdate grains are non-agglomerated uniform crystals with well normal distribution and geometric shape. The average Fsss diameter, d(0.5) and loose packed density are 433.316 mm, 470.981 mm and 1.592 g cm3, respectively, which could well meet the quality requirements for the subsequent production of molybdenum powders.