Results 71 to 80 of about 1,690,007 (382)

Influence of a Hydrogen Addition to the Inert Gas and Subsequent Heat Treatments on the Microstructure and Mechanical Properties of Magnesium WE43 Fabricated by PBF‐LB/M

Advanced Engineering Materials, EarlyView.
This article investigates optimal processing conditions for the laser‐based powder bed fusion of WE43. To limit the interaction with remaining oxygen, a 3 vol% hydrogen admixture to the inert gas is investigated. Furthermore, heat treatments are investigated in the range of 250–350 °C for 48 h.
Arvid Abel, Elmar Jonas Breitbach, Hannes Holländer, Michael Müller, Tjorben Griemsmann, Christian Klose, Jörg Hermsdorf, Hans Jürgen Maier, Stefan Kaierle, Ludger Overmeyer   +9 more
wiley   +1 more source

Occupational Safety and Health (OSH) management systems: towards development of safety and health culture [PDF]

, 2006
The unsatisfactory OSH record of the construction industry has always been highlighted. It is because the OSH management system is a neglected area and a function that has not been pursued systematically in the construction industry.
Bakri, Ahmadon, Misnan, Mohd. Saidin, Mohammed, Abdul Hakim, Mohd. Zin, Rosli   +3 more
core  

On projective equivalence and pointwise projective relation of Randers metrics

, 2011
We correct a mistake in Shen Yibing, Yu Yaoyong, On Projectively Related Randers Metrics, International Journal of Mathematics 19}(2008), no. 5, 503--520, and prove the natural generalization of the projective Lichnerowicz-Obata conjecture for Randers ...
Matveev, Vladimir S.
core   +1 more source

Demostration of 520 Gb/s/λ pre-equalized DFT-spread PDM-16QAM-OFDM signal transmission.

Optics Express, 2016
In this paper, we successfully transmit 8 × 520 Gb/s pre-equalized DFT-spread PDM-16QAM orthogonal frequency-division multiplexing (OFDM) signal over 840 km SMF with BER under 2.4 × 10(-2).
Fan Li, Jianjun Yu, Z. Cao, Ming Chen, Junwen Zhang, Xinying Li   +5 more
semanticscholar   +1 more source

Laser Additive Manufacturing of Oxide‐Dispersion‐Strengthened Steels: A Simulation‐Based Comparison Between Powder Bed Fusion and Direct Energy Deposition

Advanced Engineering Materials, EarlyView.
Controlling the size and distribution of dispersoids is essential for optimizing the performance of oxide‐dispersion‐strengthened steels. This study focuses on nanoparticle dispersion and agglomeration during laser additive manufacturing of Fe20Cr alloy reinforced with ZrO 2 nanoparticles. Utilizing multiphysics phase‐field simulations and nanoparticle
Somnath Bharech, Yangyiwei Yang, Timileyin David Oyedeji, Prasanth Bondi, Mareen Goßling, Bilal Gökce, Bai‐Xiang Xu   +6 more
wiley   +1 more source

Mechanical and Microstructural Effects of ZrO2 Nanoparticles in Fe20Cr Oxide Dispersion‐Strengthened Alloys Processed by Laser Powder Bed Fusion

Advanced Engineering Materials, EarlyView.
The influence of oxide nanoparticle synthesis route and concentration on microstructure and high‐temperature performance of additively manufactured oxide dispersion‐strengthened steels is investigated. Comparing laser‐generated and chemically synthesized ZrO2 nanoparticles, the study reveals how dispersion quality, crystal structure and particle size ...
Mareen Goßling, Silja‐Katharina Rittinghaus, Felix Radtke, Abdelrahman Elsayed, Marina Macias Barrientos, Ulf Ziesing, Louis Becker, Ihsan Murat Kuşoğlu, Christoph Broeckmann, Ulrich Krupp, Avinash Hariharan, Sebastian Weber, Bilal Gökce   +12 more
wiley   +1 more source

Digital Town Hall [PDF]

, 2002
Presents findings from a survey of 520 locally elected officials. Explores to what extent they have embraced the Internet as part of their official lives and the effect that communication with constituents via email has had on community ...
Elena Larsen, Lee Rainie
core  

Swelling-Activated Cl− Current in Isolated Rabbit Articular Chondrocytes: Inhibition by Arachidonic Acid

Journal of Pharmacological Sciences, 2009
Articular chondrocytes play an important role in maintaining the structure and function of the cartilage in synovial joints, which is closely influenced by mechanical or osmotic stress.
Eiji Isoya, Futoshi Toyoda, Shinji Imai, Noriaki Okumura, Kousuke Kumagai, Mariko Omatsu-Kanbe, Mitsuhiko Kubo, Hiroshi Matsuura, Yoshitaka Matsusue   +8 more
doaj  

Assuring Primary Healthcare Services to Vulnerable Children in a Disadvantaged Suburb of Rome Metropolitan City During the Pandemic: Responses to the Crisis

Children
Background/Objective: This retrospective observational study describes the social, health, and psychological conditions of children living in a disadvantaged and degraded suburb of Rome Metropolitan City during the COVID-19 pandemic as registered by the ...
Aurelia Rughetti, Anna Rita Buonomini, Leonardo Russo, Francesca Mazzoli, Suleika Urbano, Fotinì Iordanoglou, Cataldo Palagiano, Manuel Barletta, Samuele Casartelli, Aldo Morrone, Lucia Ercoli   +10 more
doaj   +1 more source

The Danish High Risk and Resilience Study – VIA 7 - a cohort study of 520 7-year-old children born of parents diagnosed with either schizophrenia, bipolar disorder or neither of these two mental disorders

BMC Psychiatry, 2015
BackgroundSevere mental illnesses like schizophrenia and bipolar disorder are known to be diseases that to some extent, but not entirely can be understood genetically.
A. Thorup, J. Jepsen, Ditte Ellersgaard, B. K. Burton, C. Christiani, N. Hemager, Mette Skjærbæk, Anne Ranning, K. Spang, D. Gantriis, A. Greve, K. Zahle, O. Mors, K. Plessen, M. Nordentoft   +14 more
semanticscholar   +1 more source