360 research outputs found
Measuring the similarity of PML documents with RFID-based sensors
The Electronic Product Code (EPC) Network is an important part of the
Internet of Things. The Physical Mark-Up Language (PML) is to represent and
de-scribe data related to objects in EPC Network. The PML documents of each
component to exchange data in EPC Network system are XML documents based on PML
Core schema. For managing theses huge amount of PML documents of tags captured
by Radio frequency identification (RFID) readers, it is inevitable to develop
the high-performance technol-ogy, such as filtering and integrating these tag
data. So in this paper, we propose an approach for meas-uring the similarity of
PML documents based on Bayesian Network of several sensors. With respect to the
features of PML, while measuring the similarity, we firstly reduce the
redundancy data except information of EPC. On the basis of this, the Bayesian
Network model derived from the structure of the PML documents being compared is
constructed.Comment: International Journal of Ad Hoc and Ubiquitous Computin
Thermal Spin Orbit Torque with Dresselhaus Spin Orbit Coupling
Based on the spinor Boltzmann equation, we obtain a temperature dependent
thermal spin-orbit torque in terms of the local equilibrium distribution
function in a two dimensional ferromagnet with Dresselhaus spin-orbit coupling.
We also derive the continuity equation of spin accumulation and spin current,
the spin diffusion equation in Dresselhaus ferromagnet, which contains the
thermal spin orbit torque under local equilibrium assumption. This temperature
dependent thermal spin-orbit torque originates from the temperature gradient
applied to the system. it is also sensitive to temperature due to the local
equilibrium distribution function therein. In the spin diffusion equation, we
can single out the usual spin-orbit torque as well as the spin transfer torque,
which is conceded to our previous results. Finally, we illustrate them by an
example of spin-polarized transport through a ferromagnet with Dresselhaus
spin-orbit coupling driven by temperature gradient, those torques including
thermal spin-orbit torque are demonstrated numerically.Comment: 19pages,6figure
The extremely small body size of Williamson’s mouse deer (Tragulus williamsoni) allows coexistence with sympatric larger ungulates through temporal avoidance
Research on the coexistence of congeneric species is essential for understanding community assemblages. Smaller competitors are expected to avoid larger ones, either spatially or temporally, to reduce interspecific competition. According to the spatial scaling law, the greater the difference in body size, the weaker the competitive interactions of the competitors. However, this is not confirmed in the guild of tropical forest ungulates. In this study, we assessed the competitive interactions of Williamson’s mouse deer (Tragulus williamsoni), an endangered species and one of the smallest ungulates in the world, with sympatric larger ungulates. We hypothesized that: 1) because of its extremely small body size, competition with the larger ungulates would be relatively weak, allowing spatial co-existence but still requiring temporal avoidance, and 2) the strength of avoidance would increases with decreasing differences in body size. We set up 238 camera traps from January 2017 to January 2021 to survey Williamson’s mouse deer and the sympatric larger ungulate species, that is, northern red muntjac (Muntiacus vaginalis), wild boar (Sus scrofa), Chinese serow (Capricornis milneedwardsii), and sambar (Rusa unicolor), in the protected areas of Mengla County, southwestern China. We then performed spatio-temporal analyses, including occupancy models, daily activity patterns, and a time interval analysis. Spatially, there was no significant avoidance. Temporally, Williamson’s mouse deer had different daily activity patterns and direct temporal avoidance of all larger ungulate species. The lack of spatial avoidance and strong temporal avoidance supported our first hypothesis, but the stronger avoidance of much larger species ran counter to our second hypothesis. Our results revealed the coexistence mechanism between Williamson’s mouse deer and sympatric larger ungulates and suggested that the difference in body size is limited in explaining the competitive interactions of tropical forest ungulates due to the effects of multiple ecological processes. This deepens our understanding of the relationship between species trait differences and community assembly in tropical forest ecosystems
Design of accurate vehicle location system using RFID
The simple GPS methods are unable to retrieve
the real-time information of vehicle location and vehicle
running state in some special circumstances such as tunnels and
built-ups. Hence, the vehicle monitoring system to acquire realtime
vehicle information is required. In this paper, by
integrating technologies of RFID, GPS, GPRS and using
LANDMARC method, an accurate vehicle location system in a
variety of complex environments is proposed. The proposal is
able to improve the precise vehicle location and get the
mechanical information of vehicle status by the technology of
wireless data communication.The National Natural Science Foundation of P.R. China (Grant No. 61170065 and 61003039), Peak of Six Major Talent in Jiangsu Province (Grant No.2010DZXX026),http://www.eejournal.ktu.lt/index.php/elthb201
Measuring the similarity of PML documents with RFID-based sensors
The electronic product code (EPC) network is an important part of the internet of things. The physical mark-up language (PML) is to represent and describe data related to objects in EPC network. The PML documents of each component to exchange data in EPC network system are XML documents based on PML Core schema. For managing theses huge amount of PML documents of tags captured by radio frequency identification (RFID) readers, it is inevitable to develop the high-performance technology, such as filtering and integrating these tag data. So in this paper, we propose an approach for measuring the similarity of PML documents based on Bayesian network of several sensors. With respect to the features of PML, while measuring the similarity, we firstly reduce the redundancy data except information of EPC. On the basis of this, the Bayesian network model derived from the structure of the PML documents being compared is constructed.The research is support by National Natural Science Foundation of P. R. China (Grant No.
61170065 and 61003039), Peak of Six Major Talent in Jiangsu Province (Grant No.2010DZXX026), Project sponsored by Jiangsu provincial research scheme of natural science for higher education institutions (Grant No.12KJB520009), Science & Technology Innovation Fund for higher education institutions of Jiangsu Province (Grant No.CXZZ11-0405).http://www.inderscience.com/jhome.php?jcode=IJAHUChb201
Genomic sequencing and analyses of Lymantria xylina multiple nucleopolyhedrovirus
<p>Abstract</p> <p>Background</p> <p>Outbreaks of the casuarina moth, <it>Lymantria xylina </it>Swinehoe (Lepidoptera: Lymantriidae), which is a very important forest pest in Taiwan, have occurred every five to 10 years. This moth has expanded its range of host plants to include more than 65 species of broadleaf trees. LyxyMNPV (<it>L. xylina </it>multiple nucleopolyhedrovirus) is highly virulent to the casuarina moth and has been investigated as a possible biopesticide for controlling this moth. LdMNPV-like virus has also been isolated from <it>Lymantria xylin</it>a larvae but LyxyMNPV was more virulent than LdMNPV-like virus both in NTU-LY and IPLB-LD-652Y cell lines. To better understand LyxyMNPV, the nucleotide sequence of the LyxyMNPV DNA genome was determined and analysed.</p> <p>Results</p> <p>The genome of LyxyMNPV consists of 156,344 bases, has a G+C content of 53.4% and contains 157 putative open reading frames (ORFs). The gene content and gene order of LyxyMNPV were similar to those of LdMNPV, with 151 ORFs identified as homologous to those reported in the LdMNPV genome. Two genes (Lyxy49 and Lyxy123) were homologous to other baculoviruses, and four unique LyxyMNPV ORFs (Lyxy11, Lyxy19, Lyxy130 and Lyxy131) were identified in the LyxyMNPV genome, including a <it>gag-like </it>gene that was not reported in baculoviruses. LdMNPV contains 23 ORFs that are absent in LyxyMNPV. Readily identifiable homologues of the gene <it>host range factor-1 </it>(<it>hrf-1</it>), which appears to be involved in the susceptibility of <it>L. dispar </it>to NPV infection, were not present in LyxyMNPV. Additionally, two putative <it>odv-e27 </it>homologues were identified in LyxyMNPV. The LyxyMNPV genome encoded 14 <it>bro </it>genes compared with 16 in LdMNPV, which occupied more than 8% of the LyxyMNPV genome. Thirteen homologous regions (<it>hr</it>s) were identified containing 48 repeated sequences composed of 30-bp imperfect palindromes. However, they differed in the relative positions, number of repeats and orientation in the genome compared to LdMNPV.</p> <p>Conclusion</p> <p>The gene parity plot analysis, percent identity of the gene homologues and a phylogenetic analysis suggested that LyxyMNPV is a Group II NPV that is most closely related to LdMNPV but with a highly distinct genomic organisation.</p
The relationship between hepatic resistin overexpression and inflammation in patients with nonalcoholic steatohepatitis
BACKGROUND: The relationship between resistin and non-alcoholic steatohepatitis (NASH) is not clear, some studies claimed that serum resistin levels were associated with neither the presence of NASH nor its severity, others declared that serum resistin was related with inflammation and fibrosis in NASH. Our animal study verified that the distribution of resistin in the liver is correlated with inflammation in NASH. However, there is no pertinent study in humans. METHODS: Thirty patients with NASH, 28 simple steatosis, and 43 controls were recruited. Blood was collected for resistin, liver chemistries, fasting insulin and some metabolic parameters. Liver histology was scored according to NAFLD activity scoring system. Hepatic resistin expression was examined by real-time polymerase chain reaction, immunohistochemistry. Resistin protein expression was confirmed by western blotting in 13 patients with concomitant NAFLD and gallstone. RESULTS: Serum resistin was significantly elevated in both NASH and simple steatotic subjects compared with controls (all P < 0.05). Hepatic resistin was significantly increased in NASH patients in both mRNA and protein levels than those in simple steatosis and control subjects (all P < 0.05). Both serum and hepatic resistin had a correlation with obesity, but not with insulin resistance. The distribution of resistin positive cells was predominantly in perisinusoidal cells (such as Kupffer cells and hepatic stellate cells) in human NASH. Multivariate analysis revealed that waist-hip ratio, higher serum triglyceride, and hyperresistinemia were independent factors related to higher grade of steatosis; whereas hepatic resistin and serum cytokeratin predict NASH and severity of liver fibrosis. CONCLUSIONS: Hepatic resistin overexpression in NASH patients is associated with the severity of liver inflammation and fibrosis. Liver-derived resistin may be involved in the pathogenesis of human NASH
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