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| 1 | Research on the dynamic management of cloud simulation derived data显示文摘Cloud simulation derived data is defined as the data related to service version,characteristics,relationships,runtime environments and cross-domain communication during service execution in cloud simulation environment,collectively.It is of great value and significance in cloud simulation for service description,service composition and resource management.The types of derived data are abundant and the amount of it is huge.Existing studies on cloud simulation usually assume all of the derived data required for a specific task is well organized and available anytime,which is of course impossible.Derived data needs to be expressed and managed in terms of knowledge to make sure the smooth execution of cloud simulation platform.Therefore,this paper presents a derived data management method in cloud simulation platform to enable derived data collection and dynamic knowledge storage.The prototype system of the proposed method are established and a virtual prototype of double girder crane is taken as an example to verify the effectiveness of the method. | Zongshao Che Chun Zhao Yuanjun Laili Lin Zhang | 2017 | International Journal of Modeling, Simulation, and Scientific Computing2017，8，3： | 0 |
| 2 | On the Occurrence of Oligodon joynsoni (Smith,1917)(Squamata:Colubridae) in China显示文摘On the basis of a different dorsal pattern,and a low number of maxillary teeth,the specimens of Oligodon joynsoni(Smith,1917) from the Nonggang National Nature Reserve,Guangxi,China formerly identified as O. joynsoni by several authors should be referred to the recently described species O. nagao David,Nguyen,Nguyen,Jiang,Chen,Teynié,and Ziegler,2012. Here,we provide the first genuine record of O. joynsoni(Smith,1917) in China based on a male specimen collected from Xishuangbanna,Yunnan,China. | Ke JIANG Tianbo CHEN Patrick DAVID Gernot VOGEL Mian HOU Zhiyong YUAN Yuanjun MENG Jing CHE | 2012 | Asian Herpetological Research2012，3，4： | 0 |
| 3 | The relationship between the oil shale density and the structural features of corresponding kerogens显示文摘Based on the difference in the density and content of kerogen and inorganic minerals, oil shale can be separatedinto different density fractions. The structural features of kerogens in Beipiao oil shale (a kind of typical lowgrade oil shale resources) with densities of 1.8–1.9, 1.9–2.0 and 2.0–2.1 g/cm3 were studied. Combined withour previous study on the structural features of Longkou and Huadian oil shales (two kinds of high-grade oil shaleresources) with different densities, the relationship between the oil shale density and the structural features ofcorresponding kerogens was revealed from aromatic, aliphatic structures and heteroatom species. The resultsshow that with increasing the density, the content of minerals increases, whereas that of kerogen decreases. Withincreasing the density, the aliphaticity, average methylene chain length and average number of attachments oneach aromatic ring increase. Whereas, the aromaticity and average size of aromatic cluster are inversely proportional to the oil shale density. For Longkou, Huadian and Beipiao oil shales with different densities, thechange rules of aromatic and aliphatic structures with the density are similar, indicating that these change rulesare independent of the grade and origin of oil shale. The change rules of heteroatom species in Beipiao oil shaleare different from that of Longkou and Huadian oil shales. | Qian Wang Congfei Yao Yuanyuan Zhou Yuanjun Che Hongchen Liu Xiaosheng Zhao Yumeng Zhang | 2022 | Carbon Resources Conversion2022，5，1： | 0 |
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