Results 91 to 100 of about 5,192,191 (348)

Monitoring, analyzing, and modeling global climate [PDF]

open access: yes
Diabatic heating rate estimates as residuals of the dry thermodynamic equation were generated for May 1, 1985 to December 1989 in pentad resolution. Published results show moderate correlations (approx.
Christy, John R.
core   +1 more source

Evaluasi Model Jaringan Syaraf Tiruan Metode Backpropagation Untuk Prediksi Iklim Ekstrim Dengan Korelasi Curah Hujan Dan Tinggi Muka Laut Di Semarang [PDF]

open access: yes, 2015
Global warming is an event average temperature rise of the atmosphere, ocean, and land. Atmosphere temperature changes cause the physical conditions of the atmosphere becomes unstable, causing anomalies weather parameters that cause climate change.
Gernowo, R. (Rahmat)   +1 more
core  

THERMAL ANALYSES OF THE LIGNITE COMBUSTION IN OXYGEN-ENRICHED ATMOSPHERE

open access: yes, 2015
In this work, the oxygen-enriched combustion behavior of indigenous lignite was measured by a thermogravimetric analyzer. Combustion tests were carried out in N2/O2 atmosphere with an oxygen content ranging from 21 to 70 vol.%.
Chen Xiangyun   +4 more
semanticscholar   +1 more source

Enhancing Corrosion Resistance and Mechanical Strength of 3D‐Printed Iron Polylactic Acid for Marine Applications via Laser Surface Texturing

open access: yesAdvanced Engineering Materials, EarlyView.
Laser surface texturing significantly improves the corrosion resistance and mechanical strength of 3D‐printed iron polylactic acid (Ir‐PLA) for marine applications. Optimal laser parameters reduce corrosion by 80% and enhance tensile strength by 25% and ductility by 15%.
Mohammad Rezayat   +6 more
wiley   +1 more source

QUALITY ASSESSMENT OF EGGS PACKED UNDER MODIFIED ATMOSPHERE

open access: yesCiência e Agrotecnologia, 2015
Eggs are perishable foods and lose quality quickly if not stored properly. From the moment of posture to the marketing of egg, quality loss occurs through gas exchange and water through the pores of the shell with the external environment and thus ...
Aline Giampietro-Ganeco   +5 more
doaj   +1 more source

Global water cycle [PDF]

open access: yes
The primary objective is to determine the scope and interactions of the global water cycle with all components of the Earth system and to understand how it stimulates and regulates changes on both global and regional scales.
Christy, John R.   +6 more
core   +1 more source

Thermodynamics of an Accretion Disk Annulus with Comparable Radiation and Gas Pressure

open access: yes, 2007
We explore the thermodynamic and global structural properties of a local patch of an accretion disk whose parameters were chosen so that radiation pressure and gas pressure would be comparable in magnitude.
Blaes, Omer   +5 more
core   +1 more source

First‐Principles Modeling of Solid Solution Softening and Hardening Effects in Al–Mg–Zr–Si Aluminum Alloys

open access: yesAdvanced Engineering Materials, EarlyView.
The role of various alloying elements in face‐centered cubic aluminum on the barrier of a Shockley partial dislocation during its motion is presented. The study aims to understand how alloying atoms such as Mg, Si, and Zr affect the energy landscape for dislocation motion, thus influencing the solid solution hardening and softening in aluminum, which ...
Inna Plyushchay   +3 more
wiley   +1 more source

System Design of Administrative Letter Sign in PT. Inhutani I [PDF]

open access: yes, 1999
Pengagendaan process more efficient and effective letter because the process is only done once at the Directorate General, recording more orderly, the distribution of data throughout the unit more quickly if it is possible to develop kepaparless.
Irfan, SKom, MM Irfan, SKom, MM   +1 more
core  

A Simulative Approach for the Prediction of Mesoscale Residual Stress Fields in Solution‐Strengthened Ferritic Ductile Iron

open access: yesAdvanced Engineering Materials, EarlyView.
This study presents a 3D representative volume element‐based simulation approach to predict mesoscopic residual stress and strain fields in silicon solid solution‐strengthened ductile cast iron. By modeling phase transformation kinetics with an enhanced Johnson–Mehl–Avrami–Kolmogorov model, the effects of varying cooling rates on residual stresses are ...
Lutz Horbach   +6 more
wiley   +1 more source

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