Results 31 to 40 of about 10,362,996 (295)

Improvement of Gear Durability for an 86 kW Class Agricultural Tractor Transmission by Material Selection

open access: yesAgriculture, 2022
This study was conducted to ensure gear durability and design optimal transmission of agricultural tractors. A field test was conducted using an 86 kW agricultural tractor for plow and rotary tillage, which are typical agricultural operations.
Seung-Min Baek   +8 more
doaj   +1 more source

The Oxford handbook of material culture studies

open access: yes, 2010
The Oxford Handbook of Material Culture Studies introduces and reviews current thinking in the interdisciplinary field of material culture studies. Drawing together approaches from archaeology, anthropology, geography, and Science and Technology Studies,

core   +1 more source

Detection rate of SARS-CoV-2 RNA in relation to isolation time and environmental surface type

open access: yesFrontiers in Public Health, 2022
Severe acute respiratory syndrome coronavirus (SARS-CoV-2) causes environmental contamination via respiratory droplets and persists on contaminants and environmental surfaces for anywhere from a few hours to 6 days.
Weijie Sun   +8 more
doaj   +1 more source

Pengaruh Variasi Holding Temperature dan Holding Time Pada Post Weld Heat Treatment Terhadap Struktur Mikro dan Distribusi Kekerasan Hasil Pengelasan Bisclad 600 dengan Metode SMAW di PT. Holcim Indonesia

open access: yes, 2018
Pengelasan terhadap material Bisclad 600 telah dilakukan dengan menggunakan metode pengelasan SMAW. Spesimen pengelasan dibuat dengan ukuran 100 mm x 100 mm x 10 mm sebanyak 6 spesimen. Proses pengelasan dilakukan dengan menggunakan parameter arus 100 A,
Noerochim, Lukman; Departemen Teknik Material Institut Teknologi Sepuluh Nopember   +2 more
core   +2 more sources

"Material" mechanics of materials

open access: yesTheoretical and Applied Mechanics, 2002
The paper outlines recent developments and prospects in the application of the continuum mechanics expressed intrinsically on the material manifold itself. This includes applications to materially inhomogeneous materials physical effects which, in this vision, manifest themselves as quasi-in homogeneities, and the notion of thermo dynamical driving ...
openaire   +3 more sources

LINK BETWEEN SURFACE ROUGHNESS AND PRODUCTIVITY TO PROCESSING BY ELECTRICAL EROSION. [PDF]

open access: yesFiabilitate şi Durabilitate, 2014
Processing electrical erosion is a process of taking material through repeated electrical discharges in impulse conducted in a liquid dielectric between two metal objects connected to a power source.
Andrei TIRLA   +2 more
doaj  

Investigating Pronunciation Material Tasks and Method of Teaching in Sunrise Series 7-9

open access: yesمجلة جامعة كويه للعلوم الانسانية والاجتماعية, 2021
This study is an attempt to investigate pronunciation material and tasks and/or activities along with teaching methods in Sunrise 7-9 series adopted by the ministry of education in KRG to be taught in basic schools all over Kurdistan region of Iraq.
Pakhshan I. Hamad   +2 more
doaj   +1 more source

The Regulation of Temperature Fluctuations and Energy Consumption in Buildings Using Phase Change Material–Gypsum Boards in Summer

open access: yesBuildings
This study examined the thermal performance of Comfortboard23, a commercial gypsum board from Knauf infused with phase change material (PCM). Structural characterization using XRD and SEM confirmed the presence of microencapsulated PCM within the gypsum ...
Chi Xu, Yun Zhang, Dianle Qiu
doaj   +1 more source

Comparison of the Bioactive and Bacteriostatic Performance of Different Alginate-Based Dental Prosthetic Impression Materials with and without Zirconium Phosphate-Based Ion Exchange Resin Containing Silver: An In Vitro Study

open access: yesApplied Sciences, 2023
Disinfection of alginate impressions used in dental prosthetics is a very problematic procedure, during which the dimensions of the obtained model can change, and it can be easily mechanically damaged.
Zbigniew Raszewski   +4 more
doaj   +1 more source

Evidence‐Informed Multidisciplinary Consensus Guidance for the Psychosocial Care of Adolescents With High‐Risk Cancer: Recommendations From the Italian Association of Pediatric Hematology and Oncology

open access: yesPediatric Blood &Cancer, EarlyView.
ABSTRACT Background Adolescents with high‐risk cancer face complex developmental, psychosocial, and ethical challenges that extend beyond disease‐directed treatment. Although international recommendations exist for communication, psychosocial care, pediatric palliative care, survivorship, and shared decision‐making, these have largely evolved within ...
Johanna M. C. Blom   +15 more
wiley   +1 more source

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