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Jialu Zhang and Xiaotong Zhang
Magnetic resonance imaging (MRI) integrates a static magnetic field, a time-varying gradient magnetic field at kHz and a radio-frequency (RF) magnetic field for non-invasive and real-time imaging; meanwhile, diffusion MRI (dMRI) pushes a further and clos...
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Albert R. Khalikov, Evgeny A. Sharapov, Vener A. Valitov, Elvina V. Galieva, Elena A. Korznikova and Sergey V. Dmitriev
Currently, an important fundamental problem of practical importance is the production of high-quality solid-phase compounds of various metals. This paper presents a theoretical model that allows one to study the diffusion process in nickel-base refractor...
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Eun-Young Park and Jungho Choi
Air-independent propulsion systems have improved the performance and decreased the vulnerability of underwater weapon systems. Reforming systems, however, generates large amounts of water and CO2. The recovery or separation of CO2, a residual gas compone...
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Xi Lin, Qingya Liu and Zhenyu Liu
Underground coal gasification (UCG) proceeds generally in the presence of an ash layer on coal (or char) surface. The ash layer increases the mass transfer resistance of O2 to the gasification surface, which may become the limiting step of who...
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Marisa Analia Sanchez,Maria Alicia Schmidt,Juana Ines Zuntini,Lucrecia Obiol
Pág. 69 - 90
The aim of the work is to analyze the influence of virtual social networks in the dissemination of information and knowledge. The methodology is based on case study research and includes a literature review, the use of questionnaires and social network a...
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Rim Gharbi Mrabet
Pág. 01 - 10
Nowadays, social web and social media are considered as new communication? channels that enable the diffusion of new products and innovations, such as: renewable energy products. In addition, renewable energies become the new alternative source of energy...
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Alexandre F. B. Duarte, Jessica de M. Gatti Pereira, Marcelo Kaminski Lenzi, Giane Gonçalves, Roberto Rossato, Ervin Kaminski Lenzi
Pág. 657 - 662
We investigate for the diffusion equation the differences manifested by the solutions when three different types of spatial differential operators of noninteger (or fractional) order are considered for a limited and unlimited region. In all cases, ...
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Hongyu Zheng, Jingwen Sun, Na Guo and Mingjie Wang
A molecular dynamics simulation was applied to investigate the diffusion behavior and mechanical properties of a Fe/Cu solid?liquid interface with different orientations, temperatures, and strain rates. The results show that the displacement distance of ...
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Justina Jaseliunaite, Mantas Povilaitis and Arvaidas Galdikas
Polycrystalline coatings and materials are widely used in engineering applications. Therefore, it is important to know their kinetics and mass transport mechanisms. The effect of grain boundaries (GBs) on diffusion in thin films with different morphologi...
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Baojie Xu, Hualei Zhang, Jiadi Yin and Yonglin Xue
Although permeation grouting technology has been widely used in engineering practice, there has not been sufficient research on how the distribution of pore sizes in porous media affects the diffusion of grout. In this study, based on the fractal theory ...
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Inkyung Cho, Jungkyu Park and Eunnyeong Heo
Technological knowledge created through government R&D investment not only contributes to technology and market expansion, but is also a major factor in evaluating a nation’s innovation capacity. As government budgets are limited, establishing an e...
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Scott McCoy,Hoon S Cha,Alexandra Durcikova
Despite the increasing importance of the Internet, there is little work that addresses the degree to which the models and theories of Internet diffusion in developed countries can be applied to Internet diffusion in developing countries. This paper prese...
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Jun Li, Linyu Ling, Jun Liao, Zheng Chen and Shibin Luo
During the long-endurance flight of a near-space aerostat, the characteristics of lifting gas diffusion have a great influence on the flight altitude adjustment and station-keeping performance. Thus, in this study, a lifting gas diffusion model and a dyn...
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Firdaniza Firdaniza, Budi Nurani Ruchjana, Diah Chaerani and Jaziar Radianti
Information diffusion, information spread, and influencers are important concepts in many studies on social media, especially Twitter analytics. However, literature overviews on the information diffusion of Twitter analytics are sparse, especially on the...
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Zhouhua Wang, Yun Li, Huang Liu, Fanhua Zeng, Ping Guo and Wei Jiang
As kerogen is the main organic component in shale, the adsorption capacity, diffusion and permeability of the gas in kerogen plays an important role in shale gas production. Based on the molecular model of type II kerogen, an organic nanoporous structure...
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Yangxin Zhang, Jiangmei Zhang, Tuantuan Liu, Xinghua Feng, Tengxiang Xie and Haolin Liu
Many nuclear power plants have been built along China?s coasts, and the migration and diffusion of radioactive nuclides in coastal harbours is very concerning. In this study, considering the decay and free diffusion of radioactive nuclides, a local hydro...
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György Pátzay, Ottó Zsille, József Csurgai, Árpád Nényei, Ferenc Feil, Gyula Vass
Pág. 527 - 532
Computer Program ILT15 developed to accompany a new leach test for solidified radioactive waste forms in the Hungarian NPP Paks. The program is designed to be used as a tool for performing the calculations necessary to analyse leach test data, a modellin...
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David Mattie, Zihang Fang, Emi Takahashi, Lourdes Peña Castillo and Jacob Levman
Diffusion magnetic resonance imaging (MRI) tractography is a powerful tool for non-invasively studying brain architecture and structural integrity by inferring fiber tracts based on water diffusion profiles. This study provided a thorough set of baseline...
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Xuanyuan Xie and Jieyu Zhao
The diffusion model has made progress in the field of image synthesis, especially in the area of conditional image synthesis. However, this improvement is highly dependent on large annotated datasets. To tackle this challenge, we present the Guided Diffu...
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Ling Qu, Shuangxi Guo, Shengqi Zhou, Yuanzheng Lu, Mingquan Zhu, Xianrong Cen, Di Li, Wei Zhou, Tao Xu, Miao Sun and Rui Zeng
The aim of this study is to better understand diffusive convection (DC) and its role in the upper ocean dynamic environment and sea ice melting in the Canada Basin. Based on a moored dataset with 6737 profiles collected from August 2003 to August 2011 in...
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