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Search Results: 1 - 10 of 198191 matches for " N. Sethi "
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Surgical treatment of epiphora
Sethi D,Jain N
Indian Journal of Ophthalmology , 1957,
Abstract:
Ophthalmia nodosa
Sethi P,Dwivedi N
Indian Journal of Ophthalmology , 1982,
Abstract:
The Use of the 1 MeV Electron Microscope to Study Anodic Oxide Films Formed in the Tunnels of Etched Aluminium Foil
R. S. Sethi,N. F. Jackson
Active and Passive Electronic Components , 1975, DOI: 10.1155/apec.2.209
Abstract:
Dacryocystorhinostomy- A simplified technique with analysis of results
Jain N,Sethi D,Prakash OM
Indian Journal of Ophthalmology , 1955,
Abstract:
Chloroma of the orbit
Jain N,Sethi D,Prakash O
Indian Journal of Ophthalmology , 1955,
Abstract:
Zinc, copper, magnesium, proteins and superoxide dismutase in acne
Madadi A,Sethi N,Bhandari S
Indian Journal of Dermatology, Venereology and Leprology , 1993,
Abstract: Serum zinc, copper, magnesium, proteins and superoxide dismutase (SOD) were studied in 40 cases of acne. Serum zinc, magnesium and albumin were found to be significantly decreased whereas serum copper and globulin were significantly increased. There were no significant alterations in the serum total proteins and SOD in the above cases.
A study of serum zinc, copper, magnesium, proteins and enzyme superoxide dismutase in pyoderma
Sethi N,Madadi A,Bhandari S
Indian Journal of Dermatology, Venereology and Leprology , 1994,
Abstract: Study was undertaken to find out the role of serum zinc, copper, magnesium, proteins and SOD in the pathogenesis of pyoderma. The above parameters were estimated in 35 cases of pyoderma before the starting of antibacterial therapy and on the 10th day when the lesions had cleared and in 40 control cases. Zinc, copper, magnesium were estimated by atomic absorption spectrophotometer and SOD by Marklund and Marklund method. In pyoderma serum zinc and albumin were significantly lowered before therapy and they shifted towards normal value with the clinical improvement. Serum copper was found to be significantly raised before therapy and it decreased on the 10th day. Changes in serum magnesium, total protein and globulin were insignificant. Serum SOD was found to be decreased during the early phase of pyoderma. On the 10th day with the resolution of the lesions a significant increase was found in the serum SOD level.
A study of serum zinc, copper, magnesium, proteins and enzyme superoxide dismutase in psoriasis
Madadi A,Sethi N,Bhandari S
Indian Journal of Dermatology, Venereology and Leprology , 1994,
Abstract: Serum zinc, copper, magnesium, protein and enzyme superoxide dismutase were estimated in 50 cases of psoriasis and 40 normal healthy controls. Serum zinc, copper, magnesium were estimated using atomic absorption spectrophotometer (Shimadzu 646). Proteins were estimated by colorimetric methods and enzyme superoxide dismutase was estimated by Marklund and Marklund method. Serum zinc, magnesium, total proteins and albumin were significantly decreased whereas, serum copper and serum SOD were significantly increased. Serum globulin was increased but this was not significant. These changes have been attributed to multifactorial causes.
Comparative study of electron density from incoherent scatter measurements at Arecibo with the IRI-95 model during solar maximum
N. K. Sethi,V. K. Pandey
Annales Geophysicae (ANGEO) , 2003,
Abstract: Arecibo (18.4 N, 66.7 W) incoherent scatter (IS) observations of electron density N(h) are compared with the International Reference Ionosphere (IRI-95) during midday (10–14 h), for summer, winter and equinox, at solar maximum (1981). The N(h) profiles below the F2 peak, are normalized to the peak density NmF2 of the F region and are then compared with the IRI-95 model using both the standard B0 (old option) and the Gulyaeva-B0 thickness (new option). The thickness parameter B0 is obtained from the observed electron density profiles and compared with those obtained from the IRI-95 using both the options. Our studies indicate that during summer and equinox, in general, the values of electron densities at all the heights given by the IRI model (new option), are generally larger than those obtained from IS measurements. However, during winter, the agreement between the IRI and the observed values is reasonably good in the bottom part of the F2 layer but IRI underestimates electron density at F1 layer heights. The IRI profiles obtained with the old option gives much better results than those generated with the new option. Compared to the observations, the IRI profiles are found to be much thicker using Gulyaeva-B0 option than using standard B0. Key words: Ionosphere (modelling and forecasting)
The bottomside parameters B0, B1 obtained from incoherent scatter measurements during a solar maximum and their comparisons with the IRI-2001 model
N. K. Sethi,K. K. Mahajan
Annales Geophysicae (ANGEO) , 2003,
Abstract: High resolution electron density profiles (Ne) measured with the Arecibo (18.4 N, 66.7 W), Incoherent Scatter radar (I. S.) are used to obtain the bottomside shape parameters B0, B1 for a solar maximum period (1989–90). Median values of these parameters are compared with those obtained from the IRI-2001 model. It is observed that during summer, the IRI values agree fairly well with the Arecibo values, though the numbers are somewhat larger during the daytime. Discrepancies occur during winter and equinox, when the IRI underestimates B0 for the local times from about 12:00 LT to about 20:00 LT. Furthermore, the IRI model tends to generally overestimate B1 at all local times. At Arecibo, B0 increases by about 50%, and B1 decreases by about 30% from solar minimum to solar maximum. Key words. Ionosphere (equational ionosphere; modeling and forecasting)
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