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Article
Indian spectroscopic and imaging space telescope (INSIST): An optics design trade-off study
Large ground and space-based surveys in optical and near-infrared (NIR) wavelengths will revolutionize astronomy in the coming decade. Unfortunately, no ultraviolet (UV) facilities are planned to complement th...
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Article
India-TMT project—science instrumentation program
The future of astronomy in the coming decades will be shaped by the upcoming three extremely large optical telescopes, the Thirty Meter Telescope (TMT), the Giant Magellan Telescope (GMT) and the European Larg...
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Article
A 10-m class national large optical-IR telescope
An observatory class national large optical-IR telescope (NLOT), is proposed to be built and located in the country. The telescope consists of a 10–12 m segmented primary. In order to cater to a diversity of o...
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Article
In-orbit performance of UVIT over the past 5 years
Over the last 5 years, UVIT has completed observations of more than 500 proposals with \(\sim 800\) ...
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Article
In-orbit Performance of UVIT and First Results
The performance of the ultraviolet telescope (UVIT) on-board AstroSat is reported. The performance in orbit is also compared with estimates made from the calibrations done on the ground. The sensitivity is fou...
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Article
Elevated surface chlorophyll associated with natural oil seeps in the Gulf of Mexico
Natural hydrocarbon seeps account for up to 47% of the oil released into the oceans. In situ and remote measurements of chlorophyll concentrations suggest that natural hydrocarbons enhance productivity in surface...
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Article
Evaluation of the efficacy of transcricoid lignocaine as adjunctive local anaesthesia for fiberoptic bronchoscopy
Optimisation of patient comfort during flexible bronchoscopy is achieved with the use of intravenous sedation and vocal anaesthesia.
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Article
Molecular ecology meets remote sensing: environmental drivers to population structure of humpback dolphins in the Western Indian Ocean
Genetic analyses of population structure can be placed in explicit environmental contexts if appropriate environmental data are available. Here, we use high-coverage and high-resolution oceanographic and genet...
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Chapter and Conference Paper
Spectroscopic survey of emission line stars in open clusters
We summarize a study of emission-line stars in young open clusters. The study was done in two phases. The first phase was the survey, where the emission stars in young open clusters were identified using the s...
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Chapter
Low-Cycle Fatigue Behavior of Copper Zinc Aluminum Shape Memory Alloys
Fatigue and vibration failures continue to plague civil engineering structures. Transmission lines and supporting towers are exposed to wind and develop sustained motions. These sustained motions cause costly ...
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Chapter
Natural Rubber
Nearly 2000 species of trees, shrubs, or vines of the tropical and temperate regions produce latex from which natural rubber or a closely related substance can be obtained. However, the latex from the trees of He...
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Article
Fracture resistance of polyblends and polyblend matrix composites Part III Role of rubber type and location in nylon 6,6/SAN composites
The role of rubber particle type, location and morphology on toughening in blends of nylon 6,6 with styrene acrylonitrile (SAN), with and without fibre reinforcements was examined in this study. The rubber use...
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Article
Fracture resistance of polyblends and polyblend matrix composites: Part II Role of the rubber phase in Nylon 6,6/ABS alloys
A comprehensive study was undertaken on the specific role of rubber on toughening when other rigid polymer or non-polymer phases were present. Nylon 6,6/SAN blends of various SAN concentrations ranging from pu...
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Article
Metathesis probes of Re promoters on reforming catalysts
Propene metathesis results show conclusively that a significant fraction of the Re is in a positive oxidation state in EUROCAT-4 (0.3% Re/0.3% Pt/alumina) pre-treated in H2 to 673 K, and, since some of the produc...
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Chapter
Natural Rubber
Nearly 2000 species of trees, shrubs, or vines of the tropical and temperate regions produce latex from which natural ruber or a closely related substance can be obtained. However, the latex from the...
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Article
Plastics Optics for Laboratory Use
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Article
The occurrence of a furanoid fatty acid inHevea brasiliensis latex
Methyl esters from the triglyceride fraction of the neutral lipids of natural rubber latex were found by gas liquid chromatography to contain about 90% of a furanoid acid. Spectroscopic analysis identified the...
