Results 111 to 120 of about 213,498 (295)

Reduction of Oxide Inclusions During the High‐Frequency Welding of Steel via a Nonthermal Ar/H2 Plasma Jet

open access: yesAdvanced Engineering Materials, EarlyView.
High‐frequency (HF) welding of steel is limited by oxide inclusions that degrade weld quality. This study demonstrates, for the first time, the integration of a nonthermal Ar/H2 dielectric barrier discharge (DBD) plasma jet into HF welding. Local plasma treatment provides effective shielding and in‐situ oxide reduction, resulting in markedly fewer and ...
Viktor Udachin   +4 more
wiley   +1 more source

Eksistensi budaya pra-neolitik di situs prasejarah bontocani Sulawesi Selatan [PDF]

open access: yes, 2016
Salah satu cara untuk mengetahui keberadaan manusia prasejarah adalah dengan melihat tinggalan budaya materinya, seperti sebaran alat-alat batu dan seni lukis cadas yang masih ada hingga saat ini.
Ratno, Sardi
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Piezoresistive Monitoring of Carbon Nanomaterial‐Reinforced Epoxy Composites Under Cyclic and Fatigue Loading: A Review

open access: yesAdvanced Engineering Materials, EarlyView.
Carbon nanomaterial‐reinforced epoxy composites exhibit pronounced piezoresistive behavior, enabling intrinsic damage sensing under cyclic and fatigue loading. This review critically compares carbon nanotube and graphene systems, correlating filler content, percolation threshold, and gauge factor with sensing stability and damage evolution.
J. M. Parente   +3 more
wiley   +1 more source

PENGEMBANGAN MEDIA PEMBELAJARAN INTERAKTIF BERBASIS WEBSITE BLOGGER PADA MATERI SISTEM PERSAMAAN LINEAR DUA VARIABEL KELAS X UNTUK MENINGKATKAN MINAT BELAJAR SISWA [DEVELOPMENT OF INTERACTIVE LEARNING MEDIA BASED ON BLOGGER WEBSITE FOR THE TOPIC OF SYSTEMS OF LINEAR EQUATIONS IN TWO VARIABLES IN GRADE X TO ENHANCE STUDENTS' LEARNING INTEREST]

open access: yesJOHME: Journal of Holistic Mathematics Education
In the era of Industry 4.0, the need for more attractive and interactive learning instruments has become increasingly evident, especially considering the declining interest in traditional lecture methods among students.
Febriyani Valentina   +2 more
doaj   +1 more source

Penempatan Dinding Geser Pada Bangunan Beton Bertulang Dengan Analisa Pushover [PDF]

open access: yes, 2015
Salah satu jenis bangunan tahan gempa adalah gedung beton bertulang menggunakan sistem rangka struktur yang dikombinasikan dengan dinding geser. Kinerja gedung akan bertambah dan menjadi optimal jika pola penempatan dinding geser serta metode analisanya ...
Kumaat, E. J. (Ellen)   +2 more
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Oxide‐Free Titanium Coatings by Wire Arc Spraying in a Silane‐Doped Inert Atmosphere

open access: yesAdvanced Engineering Materials, EarlyView.
A silane‐doped argon atmosphere enables the production of oxide‐free titanium coatings via twin‐wire arc spraying at ambient pressure. This innovative approach eliminates residual oxygen, creating process conditions that prevent oxidation and nitride formation.
Manuel Rodriguez Diaz   +4 more
wiley   +1 more source

Penggunaan Message Appeals Dalam Siaran Pers Berbasis Sains Tentang Covid-19

open access: yesJKG (Jurnal Komunikasi Global)
Pandemi COVID-19 telah melahirkan berbagai inisiatif masyarakat dalam rangka meringankan beban satu sama lain. Salah satunya adalah LaporCovid-19, sebuah inisiasi yang melakukan diseminasi pesan-pesan advokasi berbasis sains terkait situasi pandemi COVID-
Nayla Erzani   +2 more
doaj   +1 more source

Sol–Gel Derived Polymer Precursors for Stereolithography of ZrC

open access: yesAdvanced Engineering Materials, EarlyView.
ZrC is a critical material target for extreme temperature conditions. This report describes a protocol for preparing ZrC ceramics via stereolithography and examines the impact of the polymer matrix on carbothermal reduction and mechanical stability of 3D printed ZrC.
Charles J. Rafalko   +2 more
wiley   +1 more source

Engineered Mycelial Scaffolds With Tunable Ultraviolet Protection, Wettability, Thermal Stability, and Spatial Mechanics

open access: yesAdvanced Engineering Materials, EarlyView.
Fungal mycelia grown into biodegradable scaffolds and infused with titania nanoparticles show enhanced ultraviolet shielding, thermal protection, and surface nonwettability. Properties were tuned by drying methods, revealing structure–function relationships.
Juwon S. Afolayan   +2 more
wiley   +1 more source

Jurnal Arkeologi Siddhayatra Vol.19 No.1 Tahun 2014 [PDF]

open access: yes, 2014
Jurnal terbitan bulan Mei tahun 2014 ini terdiri dari enam tulisan, yang berdasarkan kronologi data yang digunakan beraal dari masa prasejarah sampai masa kolonial.
Budisantosa, Tri Marhaeni Sosiana   +5 more
core  

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