David Adams

Integrating Prehabilitation into Surgical Pathways: Current Modalities, Outcomes, and Research Gaps

Eric Sosa, Anabel Henick, Dhanesh D. Binda, Crystal Joseph et autres

Background: Prehabilitation constitutes a multidisciplinary strategy aimed at optimizing patients' physiological and psychological status prior to surgery, with the objective of improving postoperative outcomes and long-term quality of life. Interventions commonly include structured exercise programs, nutritional optimization, respiratory muscle training, and psychosocial …

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Deep Underground Neutrino Experiment (DUNE), Far Detector Technical Design Report, Volume II: DUNE Physics

B. Abi, R. Acciarri, M. A. Acero, G. Adamov et autres

The preponderance of matter over antimatter in the early universe, the dynamics of the supernovae that produced the heavy elements necessary for life, and whether protons eventually decay -- these mysteries at the forefront of particle physics and astrophysics are key to …

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Thermal Preconditioning and Restoration of Bismuth-Containing, Lead-Free Solder Alloys

André M. Delhaise, Polina Snugovsky, Jeff Kennedy, David Hillman et autres

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Effect of Thermal Treatment on the Microstructure, Properties, and Reliability of Lead-Free Bismuth Containing Solder Alloys

André M. Delhaise, David Hillman, Polina Snugovsky, Jeff Kennedy et autres

ABSTRACT A major reliability concern in the SMT industry is the reduction in reliability of lead-free solder alloys such as SAC 305 (Sn-3.0Ag-0.5Cu) as a result of the coarsening of intermetallic phases over time. Recent studies have shown that the addition of …

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Restoration of Microstructure and Mechanical Properties of Lead-Free Bismuth Containing Solder Joints after Accelerated Reliability Testing Using a Thermal Treatment

André M. Delhaise, Mikaella Brillantes, Chee Kiang Ivan Tan, Polina Snugovsky et autres

ABSTRACT Bismuth (Bi)-containing solder alloys have emerged as prime candidates to replace traditional lead (Pb)-free alloys such as SAC 305 (Sn-3.0Ag-0.5Cu). These alloys show stability in mechanical properties after aging, whereas the strength of SAC degrades over time. This finding prompted the …

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Thermal Preconditioning, Microstructure Restoration and Property Improvement in Bi-Containing Solder Alloys

André M. Delhaise, Polina Snugovsky, Ivan Matijevic, Jeff Kennedy et autres

ABSTRACT It has been well-established that the properties of lead-free solder alloys such as SAC 305 (Sn-3.0Ag-0.5Cu) degrade over time as the result of the coarsening of the intermetallic phases such as Ag 3 Sn and Cu 6 Sn 5 . In …

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Accelerated Life Testing Solder Reliability in Combined Environments: Isothermal Conditions with Harmonic Vibration

Chee Kiang Ivan Tan, Joseph Juarez, Polina Snugovsky, Jeffrey Kennedy et autres

ABSTRACT This paper updates progress in the development of methods for investigating solder joint reliability in a combined environment for vibration and thermal cycle testing. Since combined environmental testing is an evolving concept, no default approach or standard test protocol currently exists. …

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Screening in the community to reduce fractures in older women (SCOOP): a randomised controlled trial

Lee Shepstone, Elizabeth Lenaghan, Cyrus Cooper, Shane Clarke et autres

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Thermal Preconditioning, Microstructure Restoration and Property Improvement in Bi-Containing Solder Alloys

André M. Delhaise, Polina Snugovsky, Ivan Matijevic, Jeff Kennedy et autres

ABSTRACT It has been well-established that the properties of lead-free solder alloys such as SAC 305 (Sn-3.0Ag-0.5Cu) degrade over time as the result of the coarsening of the intermetallic phases such as Ag 3 Sn and Cu 6 Sn 5 . In …

ca, br, us, se, gb (code pays fourni par la source)

Accelerated Life Testing Solder Reliability in Combined Environments: ISO Temperatures with Harmonic Vibration

Chee Kiang Ivan Tan, Joseph Juarez, Polina Snugovsky, Jeffrey Kennedy et autres

ABSTRACT This paper updates progress in the development of methods for investigating solder joint reliability in a combined environment for vibration and thermal cycle testing. Since combined environmental testing is an evolving concept, no default approach or standard test protocol currently exists. …

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Protocol Development for Testing Solder Reliability in Combined Environments

John J. McMahon, Joseph Juarez, Polina Snugovsky, Jeffrey Kennedy et autres

ABSTRACT This paper describes a proposed method for investigating solder joint reliability in a combined environment of vibration and thermal cycle testing. Since combined environmental testing is an evolving concept, no default approach or standard test protocol currently exists. The need to …

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Technical Design Report for the Phase-I Upgrade of the ATLAS TDAQ System

G. Aad, A. Kupčo, Paolo Laurelli, S. Webb et autres

The Phase-I upgrade of the ATLAS Trigger and Data Acquisition (TDAQ) system is to allow the ATLAS experiment to efficiently trigger and record data at instantaneous luminosities that are up to three times that of the original LHC design while maintaining trigger …