Results 81 to 90 of about 1,498,164 (279)

Empirical bayes estimates of development reliability for one shot devices [PDF]

open access: yes, 2009
This article describes a method for estimating the reliability of a system under development that is an evolution of previous designs. We present an approach to making effective use of heritage data from similar operational systems to estimate ...
Quigley, J.L.   +2 more
core   +3 more sources

Does Avalanche Shovel Shape Affect Excavation Time: A Pilot Study

open access: yesSports, 2017
In Europe and North America, approximately 150 fatalities occur as a result of avalanches every year. However, it is unclear whether certain shovel shapes are more effective than others in snow removal during avalanche victim recovery.
Kurt Schindelwig   +3 more
doaj   +1 more source

Snow College Convocation, circa 1990

open access: yes, 1990
Photo of the print program for Leonard H.
Snow College
core  

Spatio-temporal influence of tundra snow properties on Ku-band (17.2 GHz) backscatter [PDF]

open access: yes, 2015
During the 2010/11 boreal winter, a distributed set of backscatter measurements was collected using a ground-based Ku-band (17.2 GHz) scatterometer system at 26 open tundra sites.
King, Joshua   +7 more
core   +1 more source

Boosting Bifacial Output Power of Ag‐CIGS Solar Cells by Optimizing ITO Back‐Contact Thickness for Tandem Applications

open access: yesCarbon Energy, EarlyView.
Optimized ITO back contact with pre‐Ga supply growth and Ag incorporation suppresses GaOx formation and interface recombination in bifacial CIGS solar cells. The devices achieve 17.25% front and 5.77% rear efficiency, delivering record bifacial power density up to 32.26 mW cm−2 in 4T perovskite/CIGS tandem architectures under enhanced albedo ...
Amanat Ali   +13 more
wiley   +1 more source

Development of a Mechanically Regenerating Desublimator for Freeze‐Drying Systems in the Food Industry

open access: yesChemie Ingenieur Technik, EarlyView.
Thermal defrosting limits desublimator efficiency in freeze‐drying. This review and case study compares thermal versus mechanical regeneration, links frost properties and external heat transfer to energy demand, and summarizes pilot‐scale scraping results enabling single‐unit, continuous lyophilization.
Moritz Krummenacher   +3 more
wiley   +1 more source

Reliability Analysis of a Steel Frame

open access: yesActa Polytechnica, 2002
A steel frame with haunches is designed according to Eurocodes. The frame is exposed to self-weight, snow, and wind actions. Lateral-torsional buckling appears to represent the most critical criterion, which is considered as a basis for the limit state ...
M. Sýkora
doaj  

30-years (1991-2021) Snow Water Equivalent Dataset in the Po River District, Italy

open access: yesScientific Data
This paper presents a long-term snow water equivalent dataset in the Po River District, Italy, spanning from 1991 to 2021 at daily time step and 500 m spatial resolution partially covering the mountain ranges of Alps and Apennines.
Matteo Dall’Amico   +9 more
doaj   +1 more source

Captain Walter P. Snow Poetry Book

open access: yes, 2014
This collection consists of a hand-written volume of poetry kept by Captain Walter P. Snow. Most of the entries are from Snow Hill and Baltimore, Maryland, New Orleans, Nantucket Island, and Tortugas. Some of the subjects described in the entries include
Snow, Walter P.
core  

Experimental methods in chemical engineering: The scientific method versus engineering design methodology

open access: yesThe Canadian Journal of Chemical Engineering, EarlyView.
Abstract Engineering graduate students confuse the scientific method and problem solving when presenting their pre‐doctoral exams and theses: Science discourse adopts question and hypotheses to assert and establish a study's rationale, while it is problem and objectives in engineering design.
Gregory S. Patience   +4 more
wiley   +1 more source

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