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allows us to examine the angle of anterior chamber and forms part of complete
ophthalmic examination and it is mandatory
for the diagnosis and management of glaucoma.
Gonioscopy permits the identification of eyes
at risk for closure and detects angle abnormalities that could have diagnostic
and therapeutic implications. Principle, types and techniques of gonioscopy,
various types of gonioscopic lenses used, indications of performing gonioscopy,
gonioscopic anatomy and grading are discussed in this article.
The past few years have been very eventful with respect to the evolution of the concept and implementation of “left-handed materials (LHMs)”. This paper elucidates antenna parameter optimization using 2 Segment Labyrinth metamaterial embedded in antenna substrate at high frequency (THz). Ansoft HFSS has been used to design and analyse the RMPA (rectangular microstrip patch antenna) with design frequency 9.55 THz and operating range of 8.55 THz to 10.55 THz having RT Duroid (εr = 2.33) as substrate material. Magnetic properties of labyrinth resonator have been used to mathematically demonstrate the negative refraction. Nicolson Ross Wier (NRW) method has been used to retrieve the material parameters from transmission and reflection coefficient. Upon incorporation, bandwidth widens to around 4% and VSWR improves by approx 1.5%.
In this paper, we
investigate the reliability analysis of a powerloom plant by using interval
valued intuitionistic fuzzy sets (IVIFS). Herein, we modeled a powerloom plant
as a gracefully degradable system having two units A(n) and B(m)
connected in series. The reliability ofncomponents of unitAandmcomponents of unitBis assumed to be an IVIFS defined over
the universe of discourse [0, 1]. Thus, the reliability of the system obtained
is an IVIFS that covers the inherited uncertainty in data collection and
reliability evaluation of a powerloom plant.