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Dielectric and Optical Study of Polymer Nematic Liquid Crystal Composite
Manohar, S.,Shukla, S.N.,Chandel, V.S.,Shukla, J.P.,Manohar, R. The Korean Institute of Electrical and Electronic 2013 Transactions on Electrical and Electronic Material Vol.14 No.3
The dielectric anisotropy and dispersion of the real and imaginary part of the permittivity of commercially important nematic mixture E-24 and its polymer composite were investigated in the frequency range from 1 kHz to 10 MHz, and temperature range $14^{\circ}C$ to $55^{\circ}C$. The percentage optical transmittance and density have also been measured for both the systems. The results have been explained by assuming molecular rotation about the long molecular axis, under a hindering nematic potential. The dielectric anisotropy ${\Delta}{\varepsilon}$ is positive, and the mean dielectric permittivity falls with rising temperature. ${\Delta}{\varepsilon}$ is also used to determine the order parameter with varying temperature.
Dielectric and Optical Study of Polymer Nematic Liquid Crystal Composite
S. MANOHAR,V. S. CHANDEL,S. N. SHUKLA,J. P. SHUKLA,R. MANOHAR 한국전기전자재료학회 2013 Transactions on Electrical and Electronic Material Vol.14 No.3
The dielectric anisotropy and dispersion of the real and imaginary part of the permittivity of commercially important nematic mixture E-24 and its polymer composite were investigated in the frequency range from 1 kHz to 10 MHz, and temperature range 14℃ to 55℃. The percentage optical transmittance and density have also been measured for both the systems. The results have been explained by assuming molecular rotation about the long molecular axis, under a hindering nematic potential. The dielectric anisotropy Δε is positive, and the mean dielectric permittivity falls with rising temperature. Δε is also used to determine the order parameter with varying temperature.
Amyloglucosidase Catalyzed Syntheses of Bakuchiol Glycosides in Supercritical Carbon Dioxide
Manohar, Balaraman,Divakar, Soundar,Sankar, Kadimi Udaya Korean Chemical Society 2009 Bulletin of the Korean Chemical Society Vol.30 No.8
Enzymatic syntheses of water soluble Bakuchiol glycosides were carried out in di-isopropyl ether organic media using amyloglucosidase from Rhizopus mold. The reactions were carried out under conventional reflux conditions and in supercritical $CO_2$ atmospheric conditions. Out of the eleven carbohydrate molecules employed for the reaction, D-glucose, D-ribose and D-arabinose gave glycosides in yields of 9.0% to 51.4% under conventional reflux conditions. Under supercritical $CO_2$ atmosphere (100 bar pressure at 50 ${^{\circ}C}$), bakuchiol formed glycosides with Dglucose, D-galactose, D-mannose, D-fructose, D-ribose, D-arabinose, D-sorbitol and D-mannitol in yields ranging from 9% to 46.6%. Out of the bakuchiol glycosides prepared, 6-O-(6-D-fructofruranosyl)bakuchiol showed the best antioxidant (1.4 mM) and ACE inhibitory activities (0.64 mM).
Manohar, Kuruva,Mittal, Bhagwant Rai,Bhattacharya, Anish,Gupta, Amod The Korea Society of Nuclear Medicine 2012 핵의학 분자영상 Vol.46 No.1
Metastases to orbit occur rarely but are the most common form of malignant orbital tumors. Usually the orbital metastases occur in disseminated disease. Very rarely orbital metastases can be the presenting feature of systemic malignancy. We report here a case with orbital metastases as the presenting feature of lung malignancy and describe the utility of FDG PET/CT as one-stop-shop imaging modality in this setting.
Amyloglucosidase Catalyzed Syntheses of Bakuchiol Glycosides in Supercritical Carbon Dioxide
Balaraman Manohar,Soundar Divakar,Kadimi Udaya Sankar 대한화학회 2009 Bulletin of the Korean Chemical Society Vol.30 No.8
Enzymatic syntheses of water soluble Bakuchiol glycosides were carried out in di-isopropyl ether organic media using amyloglucosidase from Rhizopus mold. The reactions were carried out under conventional reflux conditions and in supercritical CO2 atmospheric conditions. Out of the eleven carbohydrate molecules employed for the reaction, D-glucose, D-ribose and D-arabinose gave glycosides in yields of 9.0% to 51.4% under conventional reflux conditions. Under supercritical CO2 atmosphere (100 bar pressure at 50 oC), bakuchiol formed glycosides with Dglucose, D-galactose, D-mannose, D-fructose, D-ribose, D-arabinose, D-sorbitol and D-mannitol in yields ranging from 9% to 46.6%. Out of the bakuchiol glycosides prepared, 6-O-(6-D-fructofruranosyl)bakuchiol showed the best antioxidant (1.4 mM) and ACE inhibitory activities (0.64 mM).
Venkatkrish Manohar Kasetty,Zachary Zimmerman,Sarah King,Mohammad Seyyedi 대한청각학회 2019 Journal of Audiology & Otology Vol.23 No.4
Background and Objectives: Facial nerve stimulation (FNS) is a complication of cochlear implantation (CI). This study compared the thickness and density of the bone separating the upper basal turn of the cochlea (UBTC) and the labyrinthine segment of the facial nerve (LSFN) on preoperative computed tomography (CT) in patients with and without FNS after CI. Subjects and Methods: Adult patients who underwent CI from January 2011 to February 2017 with preoperative CT at a tertiary referral hospital were considered for this retrospective case– control study. Patients were divided into two groups: with FNS (n=4) and without FNS (n=53). The density and thickness of the bone between the LSFN and UBTC were measured on preoperative CT. Charts were reviewed for other parameters. Results: A statistically significant difference was seen in the thickness (p=0.007) but not in the density (p=0.125) of the bone between the UBTC and LSFN. Four patients had FNS at the mid-range electrode arrays, and one of them additionally had FNS at the basal arrays. Conclusions: Decreased thickness of the bone between the UBTC and LSFN can explain postoperative FNS, confirming the histologic and radiologic findings in previous studies, which indicated that the thickness of the temporal bone between the LSFN and UBTC is less in patients who experience FNS. While the density in this region was also less, it was not statistically significant.
( Rangareddygari Manohar Reddy ),( Nagabathula Suryanarayana ),( Suresh Rai ),( Manoj Kumar Sinha ),( Ganga Hansda ),( Nand Gopal Ojha ),( Bhagwan Chandra Prasad ) 한국잠사학회 2010 International Journal of Industrial Entomology Vol.20 No.2
The bivoltine tropical tasar ecoraces of Antheraea mylitta Drury produces cocoons for seed production under seed crop rearing (July-August with 22~30˚C temperature and 50~70% relative humidity) and for silk production under commercial crop rearing (September-December with 17~27˚C temperature and 60~80% relative humidity). To consider the impact of hybrid vigour on egg, larva, cocoon and silk related commercial traits, the F1 hybrids made among Daba, Jata and Raily ecoraces were assessed successively for three years. The hybrid vigour in the F1 hybrid of Daba×Jata (T7) was positive for egg fertility (+23.1%), shell weight (+25.6%), silk yield (+79.0%) and filament length (+68.1%), with filament of high denier (11.98d) and reduced larval span (-7.1%). The Jata×Daba (T8) hybrid has shown negative heterosis in egg fertility (-8.0%) compared to the other F1 hybrids, Daba×Raily (T9) and Raily×Daba (T10), when they rise simultaneously during the commercial crop season. The better performance of parental ecoraces (T4 to T6) in their commercial traits during commercial crop over parents of seed crop (T1 to T3) and the superior performance of F1 hybrids (T7 to T10) over parents of commercial crop (T4 to T6) during commercial crop season indicates the apparent hybrid vigour in tasar F1 hybrids. As the Daba×Jata (T7) and Jata×Daba (T8) F1 hybrids have shown highest hybrid vigour, their rearing during commercial crop can optimize the silk productivity and commercial sustenance of the tasar silk industry.
Efficient bipolar membrane with protein interfacial layer for optimal water splitting
Murli Manohar,Geetanjali Shukla,Ravi P. Pandey,Vinod K. Shahi 한국공업화학회 2017 Journal of Industrial and Engineering Chemistry Vol.47 No.-
Herein, we are reporting bipolar membranes (BPMs) for water splitting. BPMs are sandwiched structureof anion-exchange layer (AEL) and cation-exchange layer (CEL) with a protein (lysozyme (LYS) or bovineserum albumin (BSA) as interfacial layer (IL). CEL and AEL were prepared by controlled sulphonation orchloromethylation (without chloromethyl methyl ether). Presence of acidic and basic groups in the ILfacilitates the H+/OH transport and act as proton/hydroxide buffer. Further, water dissociation efficiencyof BPMs was also analysed by experimental results (I–V curves, chronopotentiometry, and electrodialy-sis). Data revealed high suitability of BPM-LYS for excellent catalytic activity and water dissociation. Theexperimental results (I–V) curves, chronopotentiometry, and electrodialysis) revealed high suitability ofBPM-LYS for excellent catalytic activity and water dissociation.