Search Results - "Gautam, A. K"

Search for a Variation of the Fine Structure Constant around the Supermassive Black Hole in Our Galactic Center by Hees, A, Do, T, Roberts, B M, Ghez, A M, Nishiyama, S, Bentley, R O, Gautam, A K, Jia, S, Kara, T, Lu, J R, Saida, H, Sakai, S, Takahashi, M, Takamori, Y

“…Searching for space-time variations of the constants of Nature is a promising way to search for new physics beyond general relativity and the standard model…”
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The Galactic Center: Improved Relative Astrometry for Velocities, Accelerations, and Orbits near the Supermassive Black Hole by Jia, Siyao, Lu, Jessica R., Sakai, S., Gautam, A. K., Do, T., Hosek, M. W., Service, M., Ghez, A. M., Gallego-Cano, E., Schödel, R., Hees, Aurelien, Morris, M. R., Becklin, E., Matthews, K.

“…We present improved relative astrometry for stars within the central half parsec of our Galactic Center (GC) based on data obtained with the 10 m W. M. Keck…”
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A novel dual-band asymmetric slit with defected ground structure microstrip antenna for Circular Polarization operation by Gautam, A. K., Kr Kanaujia, Binod

“…A novel dual‐band asymmetric slit with defected ground structure microstrip antenna for circular polarization (CP) operation is proposed. In which, the lower…”
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Stellar Populations in the Central 0.5 pc of Our Galaxy. III. The Dynamical Substructures by Jia, Siyao, Xu, Ningyuan, Lu, Jessica R., Chu, D. S., O’Neil, K. Kosmo, Drechsler, W. B., Hosek, M. W., Sakai, S., Do, T., Ciurlo, A., Gautam, A. K., Ghez, A. M., Becklin, E., Morris, M. R., Bentley, R. O.

“…We measure the 3D kinematic structures of the young stars within the central 0.5 pc of our Galactic Center using the 10 m telescopes of the W. M. Keck…”
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A CPW-fed hexagonal-shape monopole-like UWB antenna by Gautam, A. K., Chandel, Richa, Kr Kanaujia, Binod

“…ABSTRACT A novel CPW‐fed hexagonal‐shape monopole‐like ultrawideband (UWB) antenna is proposed for UWB applications. The proposed antenna posses a method to…”
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Effects of in utero di-butyl phthalate and butyl benzyl phthalate exposure on offspring development and male reproduction of rat by Ahmad, Rahish, Gautam, A. K, Verma, Y, Sedha, S, Kumar, Sunil

“…The study was conducted to assess the effects of in utero di-butyl phthalate (DBP) and butyl benzyl phthalate (BBP) exposure during late gestation on…”
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An annular-ring slot antenna for CP operation by Kumar, Ajay, Gautam, A. K., Kanaujia, Binod Kr

“…An annular‐ring slot antenna with pair of slits and truncated corner for CP operation is proposed. A pair of slits and truncated corners are used to enhance…”
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Determination of in vivo estrogenic potential of Di-isobutyl phthalate (DIBP) and Di-isononyl phthalate (DINP) in rats by Sedha, Sapna, Gautam, A. K, Verma, Y, Ahmad, R, Kumar, Sunil

“…Estrogenic potential of Di-isobutyl phthalate (DIBP) and Di-isononyl phthalate (DINP) was studied using two different test systems. Two different doses of DIBP…”
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A CPW-FED compact inverted L-strip UWB microstrip antenna by Gautam, A. K., Yadav, Swati, Kanaujia, Binod Kr

“…A novel CPW‐fed compact inverted L‐strip ultra wideband (UWB) microstrip antenna is proposed for ultra wide band applications. The proposed antenna possesses a…”
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A naturally occurring rare analog of quercetin promotes peak bone mass achievement and exerts anabolic effect on osteoporotic bone by Siddiqui, J. A., Swarnkar, G., Sharan, K., Chakravarti, B., Gautam, A. K., Rawat, P., Kumar, M., Gupta, V., Manickavasagam, L., Dwivedi, A. K., Maurya, R., Chattopadhyay, N.

“…Summary The effect of quercetin C -glucoside (QCG) on osteoblast function in vitro and bone formation in vivo was investigated. QCG supplementation promoted…”
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Nicotine and cigarette smoke modulate Nrf2-BDNF-dopaminergic signal and neurobehavioral disorders in adult rat cerebral cortex by Naha, Nibedita, Gandhi, D N, Gautam, A K, Prakash, J Ravi

“…Nicotine and cigarette smoking (CS) are associated with addiction behavior, drug-seeking, and abuse. However, the mechanisms that mediate this association…”
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Miniaturization of DNG metamaterial by Kumar Khandelwal, Mukesh, Kumar Kanaujia, Binod, Kumar, Sachin, Gautam, A.K.

“…ABSTRACT A novel shape of split ring resonator (SRR) is designed and analyzed. About 13.06 % of miniaturization is achieved in comparison to conventional SRR…”
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Ultra-Wideband L-Strip Proximity Coupled Slot Loaded Circular Microstrip Antenna for Modern Communication Systems by Pandey, Ganga Prasad, Kanaujia, Binod Kumar, Gautam, A. K., Gupta, Surendra K.

“…An analysis and design of a novel ultra wideband L-strip proximity coupled slot loaded circular microstrip antenna is proposed. The theoretical model is…”
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Soil erosion assessment of a Himalayan river basin using TRMM data by Pandey, A., Mishra, S. K., Gautam, A. K., Kumar, D.

“…In this study, an attempt has been made to assess the soil erosion of a Himalayan river basin, the Karnali basin, Nepal, using rainfall erosivity (R-factor)…”
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Circularly polarized hexagonal ring microstrip patch antenna with asymmetrical feed and DGS by Maurya, Rakesh Kumar, Kanaujia, Binod K., Gautam, A. K., Chatterji, S., Singh, Anil Kumar

“…A novel circularly polarized hexagonal ring microstrip patch antenna with asymmetrical feed is proposed for S, C, and X‐band applications. A semi‐arc‐shaped…”
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Stacked dual-band circularly polarized microstrip antenna with small frequency ratio by Kumar, Sachin, Kanaujia, Binod K., Khandelwal, Mukesh K., Gautam, A. K.

“…ABSTRACT A single feed dual‐band circularly polarized stacked microstrip patch antenna with a small frequency ratio is presented. The lower patch is having a…”
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Bandwidth enhancement and cross-polarization suppression in ultrawideband microstrip antenna with defected ground plane by Khandelwal, Mukesh Kumar, Kanaujia, Binod Kumar, Dwari, Santanu, Kumar, Sachin, Gautam, A. K.

“…ABSTRACT A compact microstrip antenna is proposed with very wide bandwidth ranging from 2 to 18 GHz. Impedance bandwidth of 160% is achieved which covers S, C,…”
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Involvement of Neurotransmitter and Nrf2 in Nicotine- and Cigarette Smoke-Induced Testicular Toxicity in Adult Rats by Naham, Nibedita, Gandhi, D.N, Gautam, A.K, Patel, Satish

“…Several organ systems can be affected by nicotine/cigarette smoking (CS); however, there is a gap of knowledge about the role of local neurotransmitter system,…”
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Microstrip-line FED beak-shaped monopole-like slot UWB antenna with enhanced band width by Chandel, Richa, Gautam, A. K., Kanaujia, Binod Kr

“…ABSTRACT A novel microstrip‐line fed beak‐shaped monopole‐like slot UWB antenna is proposed for enhanced ultrawideband, bluetooth, GPS, and GSM applications…”
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Environmental & lifestyle factors in deterioration of male reproductive health by Kumar, Sunil, Murarka, Shiva, Mishra, V V, Gautam, A K

“…Male reproductive function in the general population has been receiving attention in recent years due to reports of various reproductive and developmental…”
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