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Channel Capacity Analysis of DNA-based Molecular Communication with Length Encoding Mechanism
( Jialin Xie ),( Qiang Liu ),( Kun Yang ),( Lin Lin ) 한국인터넷정보학회 2021 KSII Transactions on Internet and Information Syst Vol.15 No.8
The double helix structure of DNA makes it diverse, stable and can store information with high density, and these characteristics are consistent with the requirements of molecular communication for transport carriers. In this paper, a specific structure of molecular communication system based on DNA length coding is proposed. Transmitter (Tx) adopts the multi-layer golden foil design to control the release of DNA molecules of different lengths accurately, and receiver (Rx) adopts an effective and sensitive design of nanopore, and the biological information can be converted to the electric signal at Rx. The effect of some key factors, e.g., the length of time slot, transmission distance, the number of releasing molecules, the priori probability, on channel capacity is demonstrated exhaustively. Moreover, we also compare the transmission capacity of DNA-based molecular communication (DNA-MC) system and concentration-based molecular communication (MC) system under the same parameter setting, and the peak value of capacity of DNA-MC system can achieve 0.08 bps, while the capacity of MC system remains 0.025 bps. The simulation results show that DNA-MC system has obvious advantages over MC system in saving molecular resources and improving transmission stability.
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Jialin Li,Fuhua Xie,Xiuzhi Zhu,Haibo Hu,Xiansong Fang,Zhiwei Huang,Zhiping Liu,Suzhen Wu 한국식품영양과학회 2020 Journal of medicinal food Vol.23 No.12
The fleshy fruits of Camellia oleifera Abel are the immature fruits of C. oleifera, which are infected by Exobasidium vexans Massee and then turn to be intumescent and hollowed. They contain rich trace elements and vitamin C and are eaten directly as wild fruits in the Chinese countryside. Recent studies report that C. oleifera has anti-inflammatory and antioxidative effects. The current study, for the first time, evaluates the renal protective capacity of polysaccharides from the fleshy fruits of C. oleifera (CFFP) in streptozotocin-induced diabetic mice fed high-fat diets. The diabetic mice were orally administered CFFP for 3 months to evaluate the renoprotective function of CFFP. Our results indicated that 250 mg/kg CFFP significantly alleviated diabetes-induced renal injury by decreasing serum creatine, blood urea nitrogen levels, the kidney/body weight ratio, expression of fibronectin and collagen, as well as the secretion of tumor necrosis factor-α and interleukin-6. Additionally, 250 mg/kg CFFP could significantly ameliorate renal oxidative stress through increasing glutathione levels and lowering malondialdehyde contents. We confirmed that CFFP could exert antioxidative, anti-inflammatory, and antifibrosis activities. CFFP might be a potential therapeutic agent, and the fleshy fruits of C. oleifera might be a diet therapy for diabetic patients in the future.
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A study on the bearing effect of pier column backfilling in the goaf of a thin coal seam
Jianlin Xie,Weibing Zhu,JiaLin Xu,Jiahui Wen,Chuanzhen Liu 한국지질과학협의회 2016 Geosciences Journal Vol.20 No.3
The pier column backfilling method in the goaf of a thin coal seam introduced in this paper is the latest backfilling technology in China, which has the combined advantages of high efficiency and low cost. In order to fully verify the load bearing effect of this backfilling method, a comprehensive evaluation model which combined the actual measurement, numerical simulation and physical simulation is implemented in this paper. First, the stress bearing formula and backfilling volume rate of a pier column backfilling body is obtained by theory analysis. Then, through field monitoring, it was concluded that the bearing capacity when the backfilling body reached a stable state was similar to the results of theoretical calculation, and no obvious deformation occurred by observation the roadway deformation with the site. Finally, based on the drilling columnar and lithological parameters of the site, corresponding physical and numerical models were established and used to study the bearing effect of this backfilling method. It could be found that the stresses and displacements data that resulted from the simulation relatively confirmed data obtained from the site. After comprehension of above researches, it is concluded that the pier column backfilling method in a goaf has good bearing effect and a good economic benefit for mining thin coal seams.
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Saudi Arabia's Security Challenges and Implications for “One Belt, One Road” Initiative
Lvzi Xu,Jialin Xie 아시아사회과학학회 2023 Jornal of Asia Social Science Vol.10 No.3
The Belt and Road Initiative(BRI) represents a platform proposed by China to promote global cooperation, enhance economic governance, and facilitate shared development and prosperity worldwide. As of July 2022, over 150 nations and 32 international organizations had signed more than 200 agreements regarding Belt and Road cooperation. Saudi Arabia constitutes a vital nexus for China's Belt and Road development in West Asia. However, Saudi Arabia's domestic security circumstances, encompassing leadership transitions, complex geopolitics, and terrorism, engender risks that could impede Belt and Road advancement in the West Asian region. Mitigating these challenges through proactive diplomacy and security partnerships will be instrumental as China and Saudi Arabia seek to realize their shared vision for greater connectivity and economic integration. To foster BRI advancement in Saudi Arabia, Chan and Saudi Arabia should strengthen political trust, diversifying economic ties, enhancing counterterrorism cooperation, and shaping a favorable public opinion environment through cultural exchanges. In summary, while Saudi Arabia is a vital BRI partner, mitigating risks through proactive diplomacy and security measures is key.
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Yuhu Zhang,Pei Xie,Xiao Pu,Fuqiang Xia,Jialin An,Peng Wang,Qiwen Mei 한국기상학회 2019 Asia-Pacific Journal of Atmospheric Sciences Vol.55 No.2
Analyses of drought and precipitation require long-term historical data and reasonable drought index to ensure reliable monitoring and prediction, especially for the Xinjiang Uygur Autonomous Region, where is sensitive and vulnerable to drought disasters. Drought characteristic was expressed using the observational precipitation data and calculated precipitation threshold at 105 meteorological stations from 1979 to 2014. The results showed that the variation of drought and precipitation was not spatially uniform. Analysis in sub-areas was conducted based on mutli-statistical methods. The historical drought and precipitation situation in Xinjiang is better characterized by three clusters. Cluster 1 is the driest, cluster 2 has a clear increasing trend of precipitation, while cluster 3 is the wettest with the mean annual precipitation approximates to 300 mm. In addition, the precipitation concentration and distribution is becoming uniform, there is a faster rate of increasing precipitation in coolseason rather than in warm-season. The results provide critical support for the drought disasters management and mitigation, it also provide a base for in-depth investigation on the possible mechanisms of regional drought.
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