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Search Results: 1 - 10 of 37716 matches for " PENG Jing. "
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Research on Performance of Ground-Source Heat Pump Double U Underground Pipe Heat Exchange  [PDF]
Youyin Jing, Jing Hou, Peng Yang
Open Journal of Modelling and Simulation (OJMSi) , 2013, DOI: 10.4236/ojmsi.2013.11001
Abstract: This paper uses FLUENT software building the three-dimensional unsteady state model of ground source heat pump single U and double U underground pipe to study on heat exchange of underground pipe system in the condition of unsteady state long-term continuous running, analyzes the change of soil temperature filed around underground pipe and performance of underground pipe heat exchange between single U and double U pipe system. The results show that double U pipe system is better than single U system, which can improve unit depth heat exchange efficiency, reduce the number of wells and reduce the initial investment.
A High Power Carbon/LiMxOy Hybrid Cathode for Non-Aqueous Li-O2 Battery  [PDF]
Ming Song, Jing Peng, Xiang Yu
Advances in Materials Physics and Chemistry (AMPC) , 2017, DOI: 10.4236/ampc.2017.710029
Abstract: Among all the issues that restrict the application of Li-air battery, poor power performances of O2 cathode comes first. In this paper, we establish carbon (Super P)/LiMxOy (LiMn2O4/LiFePO4/LiNi1/3Co1/3Mn1/3O2) hybrid cathode to promote the power output of conventional carbon cathode through continuous Li+-insertion reaction of LiMxOy and Li+ transportation in bulk LiMxOy during the discharging process. Weight and volume specific power performances of the hybrid cathode are much higher than those of traditional Super P carbon cathode. The mechanism of improving power performance of O2 cathode has also been discussed through electrochemical impedance spectroscopy and cyclic voltammetry method in this paper.
Brief discussion on English translation of the term "five elements" in traditional Chinese medicine
PENG Jing-Hua
Zhong Xi Yi Jie He Xue Bao , 2005,
Abstract:
Integer Wavelet Image Denoising Method Based on Principle Component Analysis
Jing Peng,Yan Ma
Journal of Software , 2012, DOI: 10.4304/jsw.7.5.982-989
Abstract: Over the years a variety of methods have been introduced to remove noise from digital images, such as Gaussian filtering, anisotropic filtering, and Total Variation minimization. However, many of these algorithms remove the fine details and structure of the image in addition to the noise because of assumptions made about the frequency content of the image. It is analyzed in the way that the noise is decomposed into low and high frequency sub-band under the wavelet transformation, and subconsequently extracts the principle components feature with the method of Principle Component Analysis(PCA). This can keep the the picture as detailed as possible, while at the same time getting rid of the noise. This exeperiment proves that this method can get rid of the noise of the picture not only effectively, but also keeps the detail of the picture to the maximum.
A Mechanism of Initiative Transmission to Send Message on WEBGIS  [PDF]
Xian-gang LUO, Jing PENG, Zhong XIE
Journal of Geographic Information System (JGIS) , 2010, DOI: 10.4236/jgis.2010.21001
Abstract: The paper researched and realized the initiative message transmission mechanism of WEBGIS server based on the N layer architecture of Internet. According to WEBGIS application long business operation as well as server information visualized in client side in real-time features, this article uses the Socket communication and the client side with JAVA Applet to realize that the WEB server can send message initiative to the client. It comes up and realizes a concrete plan of initiative transmission mechanism in WEBGIS. We run the realization plan based on Winsock through the project practice of Guangzhou cable TV network security monitoring and alarm system. The system operation has been verified in system running. The combination of this mechanism with conventional WEBGIS can greatly improve the performance and the usability of WEBGIS.
Evaluating Model and BeiDou Based Management System for Scale Operation of Cotton-Pickers  [PDF]
Caicong Wu, Peng Qiao, Jing Zhao, Jie Wang, Yaping Cai
Positioning (POS) , 2016, DOI: 10.4236/pos.2016.71002
Abstract: For scale cotton-picker operation, combination of production resources including field, machine, and drivers, should be organized reasonably both in temporal and spatial dimensions. Xinjian Agri. is such a scale cotton picking service company, which owns more than 400 cotton-pickers, hires nearly 1000 personnel, and works for more than ten big farms each season. The total operation area is about 90,000 ha. In this paper, a Cotton-picker Operation Scheduling & Monitoring System (CPOSMS) was developed for Xinjian Agri. CPOSMS is a WebGIS and BeiDou based management software, which includes four main function modules. Overall scheduling module aims to help the company to create machine fleets for the farms based on operation demands and operation capacity. A real-time evaluation model was studied to adjust the rationality. Local scheduling module is to dispatch machines and personnel to form machine unit. Central navigating module is to guide staff to specific field. Operation monitoring module is to monitor and analyze operation process. Experiments in 2015 showed that the CPOSMS is the necessary tool for the company, and the evaluation model and BeiDou based system can improve management efficiency.
Research Progress in Tobacco Fermentation  [PDF]
Yang Yang, Qianrong Peng, Mingyi Ou, Youxiang Wu, Jing Fang
Journal of Biosciences and Medicines (JBM) , 2018, DOI: 10.4236/jbm.2018.66008
Abstract: Flue-cured tobacco fermentation is one of the important processes in cigarette manufacturing production. In this thesis, the author interviewed the flue-cured tobacco fermentation mechanism, quality changes of fermentation process, environmental influences on fermentation quality, and fermentation method. By aiming at shortcomings of the current study, the author proposed the near-infrared means to judge the best period of fermentation and provided reference for cigarette enterprises.
α-Well-Posedness for Quasivariational Inequality Problems
Jian Wen Peng,Jing Tang
Abstract and Applied Analysis , 2012, DOI: 10.1155/2012/157532
Abstract: We introduce and study the concepts of α-well-posedness and L-α-well-posedness for quasivariational inequality problems having a unique solution and the concepts of α-well-posedness in the generalized sense and L-α-well-posedness in the generalized sensefor quasivariational inequality problems having more than one solution. We present somenecessary and/or sufficient conditions for the various kinds of well-posedness to occur. Ourresults generalize and strengthen previously known results for quasivariational inequalityproblems.
Web Publishing in the Internet Era
Internet时代的网络出版

Peng Jing,
彭静

现代图书情报技术 , 1998,
Abstract: With the development of Internet web publishing has been the latest trend in the publishing. The differences between the traditional and web publishing are revealed in the paper,and some relevant legal and technical problems are briefily discussed.At last the realities and prospect of the web publishing in China are analyzed.
PHOTOCHROMISM AND ITS MECHANISM IN POLYDIACETYLENE CRYSTALS

PENG JING-CUI,

中国物理 B , 1997,
Abstract: Based on summarizing and analyzing experimental facts of photochromism in polydiacetylene crystals, a theoretical model describing the photochromic process was presented. It is considered that the photochromism is the result of phase structural conversion during photoexcitation excitonic relaxation process, and its dependence on the energy and density of incident photons can be explained correctly. The micro-mechanism of photochromism is discussed in detail.
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