Results 121 to 130 of about 3,913,189 (260)

Annual report of the Board of Commissioners of the District of Columbia, volume 2, 1910

open access: yes, 1910
Volume two of the report of the Board of Commissioners of the District of Columbia to Congress about government operations for the fiscal year ending June 30, 1910.
District of Columbia. Board of Commissioners District of Columbia. Engineer Departmentet al
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Planning

open access: yes, 2020
U.S. ARMY CORPS OF ENGINEERS BUILDING STRONG ® PLANNING U.S. ARMY CORPS OF ENGINEERS | JACKSONVILLE DISTRICT PLANNING & POLICY DIVISION PO Box 4970 Jacksonville, FL 32232-0019 http://www.saj.usace.army.mil/ March 2017 What We Do We solve problems in a ...
United States. Army. Corps of Engineers. Jacksonville District;
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Investigating the Effect of Inclination Angle and the Influence of Scan Parameters on the Appearance and Thermal and Mechanical Properties of Filigree Tension Rods of LPBF‐Manufactured NiTi Shape‐Memory Alloys

open access: yesAdvanced Engineering Materials, EarlyView.
This article investigates the dependence of the properties on the manufacturing orientation in the form of the inclination angle to the build plate of LPBF‐fabricated NiTi rods with a diameter of 150–220 µm. Metallographic, chemical, thermal, and mechanical characterization show behavior under identical manufacturing conditions that ranges from ...
Sandra Herzig   +2 more
wiley   +1 more source

Annual report of the Board of Commissioners of the District of Columbia, volume 2, 1911

open access: yes, 1911
Volume two of the report of the Board of Commissioners of the District of Columbia to Congress about government operations for the fiscal year ending June 30, 1911.
District of Columbia. Board of Commissioners District of Columbia. Engineer Departmentet al
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Discrepancies Between Micro Versus Macroscale Viscoelastic Properties in a Microplastic‐Tissue Composite Model

open access: yesAdvanced Engineering Materials, EarlyView.
This study explores the discrepancies between bulk mechanics and spatial mapping in a tissue‐mimetic hydrogel model. Microplastic particles create localized stiff mechanical microenvironments that are detectable by cellular‐scale nanoindentation but leave bulk properties unchanged as measured by rheology.
Ahron T. Verschleisser   +3 more
wiley   +1 more source

Simulation‐Based Analysis of Insert Pull‐Out in Nickel‐Polyurethane Hybrid Foams Using CT‐Derived Geometries

open access: yesAdvanced Engineering Materials, EarlyView.
CT‐based finite element simulations combined with in situ X‐ray computed tomography are used to analyze insert pull‐out in nickel‐coated polymer foams. Despite variations in material parameters, deformation consistently concentrates within a narrow annular region around the insert.
Yannik Bautz   +4 more
wiley   +1 more source

Annual report of the Board of Commissioners of the District of Columbia, volume 2, 1913

open access: yes, 1912
Volume two of the report of the Board of Commissioners of the District of Columbia to Congress about government operations for the fiscal year ending June 30, 1913.
District of Columbia. Board of Commissioners District of Columbia. Engineer Departmentet al
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Rapidly Solidified High‐Strength Invar 36 Prepared by Planar‐Flow Melt Spinning

open access: yesAdvanced Engineering Materials, EarlyView.
The Invar 36 alloy was rapidly solidified using the planar‐flow melt‐spinning technique. Ribbon samples with thicknesses ranging from 20 to 160 mm were produced. As the grain size of the ribbon decreased to sub‐micron levels, the hardness increased by more than 2 times.
Bekir Akgül, Mehmet Kul
wiley   +1 more source

A Novel Approach to Estimate the Transition Temperature via Dynamic Nanoindentation

open access: yesAdvanced Engineering Materials, EarlyView.
A new dynamic nanoindentation‐based method was developed that uses the stiffness ratio as an indicator of the elastic–plastic deformation contributions at different temperatures. The approach successfully identified transition temperatures in ferritic steel and distinguished them from continuously ductile austenitic steel.
Stefan Zeiler   +4 more
wiley   +1 more source

An appraisal of the quality of education received by the 1967 gaduates at the six colleges and universities under the Kansas Board of Regents.

open access: yes, 1972
"September, 1972.""The Master Planning Commission Report Number 3 (Student Needs, Aspirations, and Accomplishments: Essential Ingredients in State Planning for Postsecondary Education) summarized eleven surveys.
Kansas. Master Planning Commission.
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