Results 141 to 150 of about 1,093,895 (300)

Daftar ISI JURNAL GAMMA, ISSN: 2086-3071 Volume 8, Nomor 1, September 2012

open access: yes, 2014
JURNAL GAMMA, ISSN: 2086-3071 Volume 8, Nomor 1, September 2012 Catalityc Converter Jenis Katalis Pipa Tembaga Berlubang Untuk Mengurangi Emisi Kendaraan Bermotor Ali Mokhtar., Hal.125-131 Korelasi Antara Penambahan Aspal Minyak Pada Campuran Perkerasan ...
Isi, Daftar
core  

Confidence interval estimation for the difference of censored zero-inflated gamma distributions

open access: yesScientific Reports
This paper studies the problem of constructing confidence intervals (CIs) for the difference between coefficients of variation (CV) of two censored zero-inflated gamma distributions.
Hongping Guo   +3 more
doaj   +1 more source

A new variance estimation in natural exponential families

open access: yesResearch in Statistics
This article focuses on improving the estimation of population variances for natural exponential family distributions, drawing inspiration from the innovative idea presented by Stein.
Arampamoorthy Laheetharan   +1 more
doaj   +1 more source

Low‐Angle Grain Boundaries and Re‐Segregation in Single‐Crystalline Ni‐Base Superalloys

open access: yesAdvanced Engineering Materials, EarlyView.
This work demonstrates that Re‐segregation at low‐angle grain boundaries (LAGBs) in Ni‐base superalloys is influenced by misorientation angle. Advanced microscopy and atom probe tomography reveal that higher misorientation angles increases Re‐segregation.
Alireza B. Parsa   +9 more
wiley   +1 more source

Deterministic nuclear spin squeezing and squeezing by continuous measurement using vector and tensor light shifts

open access: yesSciPost Physics
We study the joint effects of vector and tensor light shifts in a set of large spin atoms, prepared in a polarized state and interacting with light. Depending on the ratio $\epsilon$ between tensor and vector coupling and a measurement rate $\Gamma$, we ...
Ali Moshiri, Alice Sinatra
doaj   +1 more source

Productivity‐Driven Optimization of Laser Powder Bed Fusion Parameters for IN718 Superalloy: Process Control, Microstructure, and Mechanical Properties

open access: yesAdvanced Engineering Materials, EarlyView.
This study demonstrates how optimizing laser power, scanning speed, and hatching distance in laser powder bed fusion can boost the productivity of Inconel 718 manufacturing by up to 29% while maintaining mechanical integrity. The work delivers a validated process window and cost–time analysis, offering industry‐ready guidelines for efficient additive ...
Amir Behjat   +7 more
wiley   +1 more source

JURNAL GAMMA, Volume 7, Nomor 2, Maret 2012

open access: yes, 2014
JURNAL GAMMA, ISSN: 2086-3071 Volume 7, Nomor 2, Maret 2012 : Analisa Vegetasi Hutan Mangrove Pelabuhan Lembar Kabupaten Lombok Barat Nusa Tenggara Barat Amir Syarifuddin1 & Zulharman2.
Isi, Daftar
core  

Pyramidal Structures on Yttria‐Stabilized Zirconia after High Temperature Exposure at 1500°C: New Features on an Old Material

open access: yesAdvanced Engineering Materials, EarlyView.
New features on yttria‐stabilized zirconia after exposure at 1500°C: Newly discovered pyramidal structures on an old material. After exposure at 1550°C on the cross section of YSZ new features, namely pyramidal structures are discovered. These structures grow with time, increase in numbers, appear as singularities, are often arranged in strings, and ...
Doris Sebold   +2 more
wiley   +1 more source

Rafting of Ni‐Based Superalloys Under Multiaxial Load as Understood by Phase‐Field Simulations and Critical Experiments

open access: yesAdvanced Engineering Materials, EarlyView.
Phase‐field simulations coupled with dislocation‐density‐based crystal plasticity modeling reproduce γ′ rafting behavior in single‐crystal Ni‐based superalloys under varied loading conditions. The model captures both macroscopic creep and microscopic morphology evolution, with results matching high‐temperature creep experiments.
Micheal Younan   +5 more
wiley   +1 more source

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