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Open Access
Weiqing Zhuang, Morgan. C. Wang, Yunping Xie
Abstract:The rapid development of e-commerce is benefited not only the evolution of information technology in the past two decades, but also the boom of big data resources produced by a hugely heterogeneous user base. That’s what makes China and United States the top two largest e-commerce markets in the world and why China is more [...] Read more.
Abstract      ReferencesPDF (433 K)   November 7, 2019     10 Downloads    617 Views
Open Access
Wen-chao Li, Ning Ruan, Yuan Tian, Wei Zu, Hai-jie Guan, Yang Lin, min-Qiang Zhao, jiang Xu
Abstract:AbstractBackground: Unicystic ameloblastoma (UAB) is a relatively rare type of Ameloblastoma (AB) and often occurs in adolescents. The technique of decompression by fenestration can help to preserve the appearance and function of the jaws. Purpose: The aim of this study is to validate the efficacy of the decompression by fe [...] Read more.
Abstract      ReferencesPDF (433 K)   November 7, 2019     15 Downloads    677 Views
Open Access
Liu Taixiang
Abstract:Model of gravitational field, Field-domain, Critical field, Stationary attractive region, Stationary repulsive region, Covariant motion equation, Equation of the speed of light. [...] Read more.
Abstract      ReferencesPDF (1023 K)   November 7, 2019     14 Downloads    584 Views
Open Access
Hamza Zemrane, Youssef Baddi, Abderrahim Hasbi
Abstract:The Internet of things is perceived today as a key opportunity for commercial development in different sectors of activity that can be deployed in the local level as in the case of smart homes, at the regional level as in the case of health, or at the national level in the energy management sector. The IOT connectivity serv [...] Read more.
Abstract      ReferencesPDF (502 K)   November 7, 2019     9 Downloads    572 Views
Open Access
Serge PERRINE
Abstract:A Pell Fermat equation and its two classes of solutions are discussed. We give a formula for the pairs of positive solutions, written with the Pell numbers, and some new identities involving these numbers. We build an invariant modulo 4 for each class of solutions. [...] Read more.
Abstract      ReferencesPDF (312 K)   November 4, 2019     11 Downloads    727 Views
Open Access
Dr. H.D.W.S Kudagammana, Dr. R.M.C.J Rathnayaka, Mr. B.W.M.S.B Weerasooriya, Dr. K.M.A.G Karunathilaka, Mr. J.A.C.N Kumara
Abstract:Knowledge on Group B Streptococcus (GBS) carriage among Sri Lankans is very low compared to other countries of the South Asian region. A descriptive cross-sectional study was carried out to determine GBS colonization among consecutive 50 pregnant mothers at or beyond 35 weeks of gestation at T H Peradeniya attending obstetr [...] Read more.
Abstract      ReferencesPDF (382 K)   October 28, 2019     12 Downloads    661 Views
Open Access
Liu Taixiang
Abstract:electron model, neutral field, polar field, the origin of mass, vortex-flux, electron pairs, intrinsic electric field, covariant electric field, room-temperature superconductivity. [...] Read more.
Abstract      ReferencesPDF (768 K)   October 23, 2019     26 Downloads    716 Views
Open Access
Liu Taixiang
Abstract:the model of proton, the model of neutron, the model of nucleus, the model of atom, the model of molecule, boundary conditions of a stable nucleus, the decay of proton, super-heavy nuclei. [...] Read more.
Abstract      ReferencesPDF (1864 K)   October 23, 2019     25 Downloads    712 Views
Open Access
梁世铎
Abstract:摘要:巴纳德星,ARICNS:视速率为110.8km/s,年自行值10.3角秒(1916年)。SIMBAD:视速率为106.8km/s,年自行值10.31角秒(2000年)。由此得出:2019年巴纳德星观测视速率为105.894km/s。 [...] Read more.
Abstract      ReferencesPDF (331 K)   October 23, 2019     31 Downloads    745 Views
Open Access
S. Myllymäki
Abstract:In this paper leaky wave cable with adjacent antenna elements operated on 3.5 GHz were evaluated by measurement of indoor installed setups. Novel radiation cable arrangements were compared with conventional LCX cable and hot spot antenna references. The power distribution in a 34 m long office environment was measured using [...] Read more.
Abstract      ReferencesPDF (1163 K)   October 10, 2019     19 Downloads    695 Views
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