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Search Results: 1 - 10 of 337204 matches for " R. K. Gupta "
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Sustained long-term clinical and radiological response with sunitinib for metastatic renal-cell carcinoma (RCC)  [PDF]
K. I. Quintyne, T. Neenan, F. Wallis, R. K. Gupta
Case Reports in Clinical Medicine (CRCM) , 2013, DOI: 10.4236/crcm.2013.21008

The authors herein report the case of a 67-year-old woman with metastatic renal-cell carcinoma (RCC), who has had a sustained clinical and stable radiological response to long-term therapy with an oral multi-targeted tyrosine kinase inhibitor (TKI), sunitinib with minimal lasting toxicity.

Institutional And Non-Institutional Deliveries In Some Slum Areas Of Delhi : Factor Analysis
Gupta R. K
Indian Journal of Community Medicine , 1999,
Abstract: Research questions: What are the factors, which determine preference for institutional and non-institutional deliveries in slum area of Delhi? Objective: To study the factors determining preference for institutional or non-institutional deliveries in slum areas of Delhi. Study design: Cross-sectional. Settings: Slum areas of Delhi. Sampling: Ten slum colonies were randomly selected from Delhi by dividing it into five zones and taking two colonies from each zone. Four Hundred households were covered from each colony and information on delivery related aspects were collected from mothers of children up to 2 years of age. Statistical analysis: PC based factor analysis technique was applied to identify factors had also simple tables were generated. Results: Non-institutional deliveries were found to be about 46%. Factor such as a€ Economic Statusa€ was identified as determining one for preference of non-institutional deliveries. Conclusion: Improvement in economic conditions of people may promote institutional deliveries.
Oculomotor nerve paralysis of unknown aetiology
Gupta K,Kulshrestha R
Indian Journal of Ophthalmology , 1971,
Bilateral orbital involvement in nasopharyngeal carcinoma
Gupta K,Kulshrestha R
Indian Journal of Ophthalmology , 1968,
Essential Medicines : Where We Stand Today
R. K. Gupta
JK Science : Journal of Medical Education & Research , 2005,
Abstract: Not available
On symmetries and invariant solutions of a coupled KdV system with variable coefficients
K. Singh,R. K. Gupta
International Journal of Mathematics and Mathematical Sciences , 2005, DOI: 10.1155/ijmms.2005.3711
Abstract: We investigate symmetries and reductions of a coupled KdV system with variable coefficients. The infinitesimals of the group of transformations which leaves the KdV system invariant and the admissible forms of the coefficients are obtained using the generalized symmetry method based on the Fréchet derivative of the differential operators. An optimal system of conjugacy inequivalent subgroups is then identified with the adjoint action of the symmetry group. For each basic vector field in the optimal system, the KdV system is reduced to a system of ordinary differential equations, which is further studied with the aim of deriving certain exact solutions.
Dual Solution of MHD Stagnation-Point Flow towards a Stretching Surface  [PDF]
Tapas R. Mahapatra, Samir K. Nandy, Anadi S. Gupta
Engineering (ENG) , 2010, DOI: 10.4236/eng.2010.24039
Abstract: The effect of a uniform transverse magnetic field on two-dimensional stagnation-point flow of an incompressible viscous electrically conducting fluid over a stretching surface is investigated when the surface is stretched in its own plane with a velocity proportional to the distance from the stagnation-point. This magnetohydrodynamic (MHD) flow problem is governed by the parameter b representing the ratio of the strain rate of the stagnation-point flow to that of the stretching sheet and the magnetic field parameter M. It is known from a previous paper [9] that if b > 1, the steady solution to the problem is monotonic increasing and the solution is also unique. But when 0 < b < bc (where bc (< 1) depends on M), there exists a dual solution which is non-monotonic in addition to a monotonic decreasing solution. It is found in this paper that bc decreases as M increases. Numerically it is shown that if M > 0.23919, the non-monotonic solution cannot exist and so in this case, the only solution is monotonic decreasing. A stability analysis reveals that when 0 < b < bc, the solutions along the upper branch corresponding to the monotonic solution are linearly stable while those along the lower branch for the non-monotonic solution are linearly unstable. It is also shown that the decay rate of a disturbance increases with increasing M for the stable solution but the growth rate of instability for the non-monotonic solution decreases with increasing M.
Short Circuit Thermally Stimulated Discharge Current Measurement on PMMA:PEMA:PVDF Ternary Blends  [PDF]
A. K Gupta, A. Tiwari, R Bajpai, J. M Keller
Materials Sciences and Applications (MSA) , 2011, DOI: 10.4236/msa.2011.28141
Abstract: The attainment of a better understanding and improvement of electrical properties of ternary blend is a task of particular scientific and economic importance. Ternary films of Poly (methylmethacrylate), Poly (ethlymathacrylate) and poly (vinlylidenefluoride) were prepared using solution cast technique. Thereafter, to study the hetro charges, homo-charges and interfacial charge formation in ternary system, the short circuit thermally stimulated discharge current (SC-TSDC) measurements were carried out on bilaterally metallized electrets. The ternary blend samples taken for the present investigations are hetrogeneous system involving three polymers differing in their conduction behaviour and dielectric property. Thus, unequal ohmic conduction currents arriving at the interface are expected to result in accumulation of charges at the interface or the Maxwell-Wagner effect. Clearly the Maxwell Wagner effect is expected to contribute discernibly to the observed TSDC’s of the ternary blends. The PMMA: PEMA: PVDF:: 100:100:50 blend exhibits highest tendency while 100:50:100 the least, towards the anomalous current flow. Moreover, the conductivity of 100: 100: 50 is found to be more and, therefore, a large amount of homocharge is injected leading to anomalous current.
Short-Term Orbit Prediction with J2 and Mean Orbital Elements  [PDF]
Shraddha Gupta, M. Xavier James Raj, R. K. Sharma
International Journal of Astronomy and Astrophysics (IJAA) , 2011, DOI: 10.4236/ijaa.2011.13018
Abstract: An analytical theory for calculating perturbations of the orbital elements of a satellite due to J2 to accuracy up to fourth power in eccentricity is developed. It is observed that there is significant improvement in all the orbital elements with the present theory over second-order theory. The theory is used for computing the mean orbital elements, which are found to be more accurate than provided by Bhatnagar and taqvi’s theory (up to second power in eccentricity). Mean elements have a large number of practical applications.
A Novel High-Performance Lekage-Tolerant, Wide Fan-In Domino Logic Circuit in Deep-Submicron Technology  [PDF]
Ajay Dadoria, Kavita Khare, T. K. Gupta, R. P. Singh
Circuits and Systems (CS) , 2015, DOI: 10.4236/cs.2015.64011
Abstract: As technology shrinks in modern era the demand on high speed, low power consumption and small chip area in microprocessors is come into existence. In this paper we have presented a new class of domino circuit design for low power consumption, faster circuit speed and high performance. Due to wide fan-in domino logic, its logic gate suffer from noise sensitivity, if we improve sensitivity, sub-threshold and gate oxide leakage current dominate in evaluation network, which increases the power consumption and reduces the performance of the circuit. The proposed circuit improves the dynamic power consumption and reduces the delay which improves the speed of the circuit. Simulation is performed in BISM4 Cadence environment at 65 nm process technology, with supply voltage 1 V at 100 MHz frequency and bottleneck operating temperature of 27°;C with CL = 1 fF. From the result average power improvement by proposed circuit 1 & 2 for 8 input OR gate is 10.1%, 15.28% SFLD, 48.56%, 51.49% CKD, 55.17%, 57.71% HSD and improvement of delay is 1.10%, 12.76% SFLD, 19.13%, 28.63% CKD, 4.32%, 15.59% HSD, 19.138%, 44.25% DFD respectively.
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