Results 111 to 120 of about 5,192,191 (348)

Study of the kinetics of catalytic decomposition of hydrazine vapors on palladium [PDF]

open access: yes
The decomposition rates of N2H4 on a palladium surface are studied. Experiments were conducted in a circulating unit at atmosphere pressure. The experimental method is described.
Apelbaum, L. O., Khomenko, A. A.
core   +1 more source

Improving The Students’ Speaking Skills Through Humanistic Strategies in ECC Of UNUSA [PDF]

open access: yes, 2017
This study focuses on the humanistic strategies applied in the English speaking class activities. Researcher conducted a study on participants of English Chat Club (ECC) which is provided in Nahdlatul Ulama University of Surabaya as 30 students.
Saputri, Tiyas
core   +1 more source

A Comprehensive Review of Additive Manufacturing for Space Applications: Materials, Advances, Challenges, and Future Directions

open access: yesAdvanced Engineering Materials, EarlyView.
Additive manufacturing (AM) transforms space hardware by enabling lightweight, high‐performance, and on‐demand production. This review outlines AM processes—powder bed fusion (PBF), directed energy deposition (DED), binder jetting (BJ), sheet lamination (SL), and material extrusion (ME)—applied to propulsion, satellite structures, and thermal devices ...
Stelios K. Georgantzinos   +8 more
wiley   +1 more source

Impact of Different Land-Use Systems on Soil Physicochemical Properties and Macrofauna Abundance in the Humid Tropics of Cameroon

open access: yesApplied and Environmental Soil Science, 2019
The impact of different land-use systems on some soil physicochemical properties and macrofauna abundance in the humid tropics of Cameroon was studied.
Lawrence Tatanah Nanganoa   +5 more
doaj   +1 more source

Electrolytic pretreatment unit gaseous effluent conditioning [PDF]

open access: yes
The electrolytic pretreatment of urine is an advanced process that eliminates the need for handling and storing the highly corrosive chemicals that are normally used in water reclamation systems.
Colombo, G. V., Putnam, D. F.
core   +1 more source

Toward Maximum Utilization of Heavy Rare Earths in Sintered Nd–Fe–B Magnets by Grain Boundary Diffusion Source and Application Area Optimization

open access: yesAdvanced Engineering Materials, EarlyView.
In this work, the grain boundary diffusion process is optimized to maximize heavy rare earth utilization by strategic magnetic hardening of areas in the magnet such as corners or edges that are highly susceptible to demagnetization, as demonstrated by finite element magnetostatics simulation on an internal permanent magnet, synchronous traction motor ...
Abdullatif Durgun   +7 more
wiley   +1 more source

Micromechanical Characterization of 316L‐V4E Steel Transitions Produced by Electron Beam Powder Bed Fusion with Dual‐Hopper Alternating Layer Strategy

open access: yesAdvanced Engineering Materials, EarlyView.
This work applies High‐Speed Nanoindentation to study multi‐material transitions in powder bed fusion–electron beam melting components. The aim is to assess the mechanical gradients and interfacial behavior between American iron and steel institute 316L stainless steel and V4E tool steel in additively manufactured structures.
Laia Ortiz‐Membrado   +6 more
wiley   +1 more source

Daily fresh water production from Malaysia’s urban atmosphere using 6 thermoelectric cooling units [PDF]

open access: gold, 2023
Muhd Hazwan Hisyam Bin Abu Hassan   +6 more
openalex   +1 more source

Climate dynamics experiments using a GCM simulations [PDF]

open access: yes
The study of surface-atmosphere interactions has begun with studies of the effect of altering the ocean and land boundaries. A ten year simulation of global climate using observed sea surface temperature anomalies has begun using the NCAR Community ...
Christy, John R.   +5 more
core   +1 more source

Quantifying the global atmospheric power budget

open access: yes, 2017
The power of atmospheric circulation is a key measure of the Earth's climate system. The mismatch between predictions and observations under a warming climate calls for a reassessment of how atmospheric power $W$ is defined, estimated and constrained ...
Gorshkov, Victor G.   +5 more
core   +1 more source

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