Results 21 to 30 of about 885 (219)

Undiagnosed hypertension and associated factors among adults in the urban field practice area of AIIMS Raipur: A community-based screening survey

open access: yesJournal of Family Medicine and Primary Care, 2023
Introduction: Undiagnosed hypertension (HTN) increases the risk of severe consequences such as chronic kidney disease (CKD), hypertensive retinopathy, heart failure, and stroke.
Ekta Krishna   +7 more
doaj   +1 more source

Artificial Neural Network (ANN) Model to Predict Depression among Geriatric Population at a Slum in Kolkata, India [PDF]

open access: yesJournal of Clinical and Diagnostic Research, 2017
Introduction: Depression is one of the most important causes of mortality and morbidity among the geriatric population. Although, the aging brain is more vulnerable to depression, it cannot be considered as physiological and an inevitable part of ...
Arkaprabha Sau, Ishita Bhakta
doaj   +1 more source

UHTC-carbon fibre composites:Preparation, oxyacetylene torch testing and characterisation [PDF]

open access: yes, 2013
Current generation carbon-carbon (C-C) and carbon-silicon carbide (C-SiC) materials are limited to service temperatures below 1800°C and materials are sought that can withstand higher temperatures and ablative conditions for aerospace applications.
Vaidhyanathan, B.   +5 more
core   +1 more source

High temperature characterization of an UHTC candidate materials for RLV's

open access: yes, 2003
Nose and wing leading edges of the future generations re-entry vehicles will withstand very high temperature in an oxidizing environment. UHTC (Ultra High Temperature Ceramics) materials are very promising candidate materials for such applications. An innovative, proprietary methodology was developed to produce, by plasma spraying deposition, a ceramic
M. Tului, G. Marino, VALENTE, Teodoro
openaire   +2 more sources

High speed laser cladding as a new approach to prepare ultra-high temperature ceramic coatings

open access: yesJournal of Advanced Ceramics
Ultra-high temperature ceramic (UHTC) coatings are used to protect the hot-end components of hypervelocity aerocrafts from thermal ablation. This study provides a new approach to fabricate UHTC coatings with high speed laser cladding (HSLC) technology ...
Qiyao Deng   +10 more
doaj   +1 more source

Accuracy of Pelvic Mass Score in Pre-operative Determination of Malignancy in Adnexal Masses [PDF]

open access: yesJournal of Clinical and Diagnostic Research, 2016
Introduction: Suspicious adnexal masses are common clinical problems in gynaecological practice. A reliable diagnostic tool for the early detection of the ovarian malignancy is essential. Aim: To validate a new scoring system –Pelvic Mass Score (PMS)
Lakshmi Mohan   +3 more
doaj   +1 more source

UHTC Composites for Hypersonic Applications

open access: yes, 2014
This chapter describes recent developments in the field of advanced ceramic composites for hypersonic applications. Ultra-high temperature ceramic (UHTC) composites are the most viable class of materials that can overcome the poor fracture toughness and ...
Binner, Jon; id_orcid   +5 more
core   +1 more source

Multi-functional design of ultra-high temperature ceramics coatings

open access: yesJournal of Materiomics
Ultra-high temperature ceramics (UHTCs) exhibit ultra-high melting points and relatively high mechanical performance, making them ideal coating materials for extreme environment applications like hypersonic vehicles.
Yanfei Liu   +5 more
doaj   +1 more source

Quaternary diborides—improving the oxidation resistance of TiB2 ± z coatings by disilicide alloying

open access: yesMaterials Research Letters, 2023
To overcome the limited oxidation resistance of the emerging class of transition metal borides, we suggest within this study novel quaternary diborides, Ti-TM-Si-B2 ± z (TM = Ta, Mo), achieving the compromise between excellent oxidation resistance and ...
Ahmed Bahr   +12 more
doaj   +1 more source

A novel ultra-high temperature ceramic composite coating prepared by high-speed laser cladding and pack cementation on Ta–W alloys for higher plasma ablation resistance above 2300 °C

open access: yesJournal of Advanced Ceramics
To improve the high-temperature ablation resistance properties of Ta(W) refractory alloys, a novel ultra-high-temperature ceramic (UHTC) composite coating was prepared by combining the technological advantages of high-speed laser cladding (HSLC) and pack
Youjiang Zhang   +8 more
doaj   +1 more source

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