http://chineseinput.net/에서 pinyin(병음)방식으로 중국어를 변환할 수 있습니다.
변환된 중국어를 복사하여 사용하시면 됩니다.
Dashtdar Masoud,Sarada K.,Hosseinimoghadam Seyed Mohammad Sadegh,Kalyan C. H. Naga Sai,Venkateswarlu A. N.,Goud B. Srikanth,Reddy C. H. Rami,Belkhier Youcef,Bajaj Mohit,Reddy B. Nagi 대한전기학회 2022 Journal of Electrical Engineering & Technology Vol.17 No.5
In the discussion of fault location due to the existence of multiple branches in the distribution network, diff erent locations are obtained and this shows the importance of detecting the faulted section in the distribution network . In this paper, the new idea of modulating the current and three-phase voltage of the line’s beginning and histogram analysis has been used for fault location in the power network. First, threephases of current and voltage of the line’s beginning are converted separately through convolution into a modulated current signal and a voltage signal, respectively. Then by dividing the density ratio of the modulated voltage by the modulated current, the distance to fault location can be estimated; but there is the possibility of obtaining several fault locations in the distribution network. In the following, the faulted section can be estimated through a histogram analysis of the modulated voltage. Simulation results show that by modulating the three-phase voltage, there is a possibility to eliminate the eff ects of fault resistance, fault occurrence angle, fault type on the algorithm’s accuracy. In the end, the suggested algorithm was implemented on a 735 kV transmission network and an IEEE-15bus distribution network whose results demonstrate the appropriate accuracy of the suggested algorithm.
M. Rajabi,B. Mirza,K. Mahanpoor,M. Mirjalili,F. Najafi,O. Moradi,H. Sadegh,R. Shahryari-ghoshekandi,M. Asif,I. Tyagi,S. Agarwal,Vinod Kumar Gupta 한국공업화학회 2016 Journal of Industrial and Engineering Chemistry Vol.34 No.-
MWCNTs functionalized with the carboxylate group are used as efficient adsorbent for the rapid removaland fast adsorption of malachite green from the aqueous solutions. The optimized contact time and pHwere 10 min and 9, respectively. The effect of temperature revealed that the adsorption capacity ofmalachite green (MG) dye increased with increasing contact time, temperature and pH of the workingsolution. The adsorption equilibrium and kinetic data was well fitted and found to be in good agreementwith the Langmuir isotherm model and pseudo second order kinetic model respectively with highcorrelation coefficient.
Template-oriented synthesis of hydroxyapatite nanoplates for 3D bone printing
Doustkhah, Esmail,Najafi Zare, Reza,Yamauchi, Yusuke,Taheri-Kafrani, Asghar,Mohtasham, Hamed,Esmat, Mohamed,Ide, Yusuke,Fukata, Naoki,Rostamnia, Sadegh,Sadeghi, Morteza H.,Assadi, M. Hussein N. Royal Society of Chemistry 2019 Journal of Materials Chemistry B Vol. No.
<P>The design of hydroxyapatite (HA) nanoarchitecture is critical for fabricating artificial bone tissues as it dictates the biochemical and the mechanical properties of the final product. Herein, we incorporated a simple hard-template approach to synthesise single crystal nanoplates of HA. We used the 2D graphitic nitride (g-C3N4) material to prepare an HA sol-gel under hydrothermal conditions. A new HA nanostructure was then formed during the calcination and removal of g-C3N4 at a higher temperature, which finally led to the production of nanoplates (thickness of ∼100 nm) while in lateral dimension the average size was in the micrometre scale. We characterised the synthesised HA nanoplates with XRD, TEM, and HRTEM. The theoretically predicted nanostructure construction based on Wulff's method is in full agreement with the experimental observations. We then prepared different weight ratios of HA and polylactic acid (PLA) composites for artificial 3D bone fabrication. The strong interaction between PLA and HA's (110) facet, which was the second most prevalent, resulted in the composite's mechanical robustness. After mechanical testing, an optimum ratio was selected for biological studies and 3D printing. Biological experiments demonstrated that the synthesised composite had excellent viability <I>in vitro</I>.</P>