Results 81 to 90 of about 48,758 (191)

Radiometer-deployment subsystem [PDF]

open access: yes, 1972
A radiometer-deployment subsystem for the Nimbus E spacecraft was designed, developed, and qualified for space use. The dimensions of the radiometer are 0.9 meter square by 0.1 meter, and its weighs 32 kilograms.
Speight, K. M.
core   +1 more source

Mechanical Behavior and Failure Analysis of Prosthetic Retaining Screws after Long‐term Use In Vivo. Part 1: Characterization of Adhesive Wear and Structure of Retaining Screws [PDF]

open access: yes, 2007
Purpose: The general aim of this study and those presented in Parts 2–4 of this series was to characterize the structure, properties, wear, and fracture of prosthetic retaining screws in fixed detachable hybrid prostheses after long‐term use in vivo ...
Al Jabbari, Youssef S.   +4 more
core   +1 more source

A Gimbal sizing analysis for an IPACS rotating assembly [PDF]

open access: yes
All major components of an integrated power/attitude control system (IPACS) assembly were analyzed for testing, launch, and operational stresses. The conceptual design for the outer gimbal and mounting ring structures were developed and analyzed along ...
Burke, P. R., Coronato, P. A.
core   +1 more source

RESEARCH ON THE THICK COMPOSITE LAMINATE BOLT JOINT STRENGTH

open access: yesJixie qiangdu, 2017
A 3D model of composite laminates with bolted joint is created by using the software ABAQUS. By introducing the 3D Hashin failure criteria and considering the tightening torque,the partition and the global degradation models were established.
LIU Tong, XU XiWu, LIN ZhiYu
doaj  

Advancement ratio effect on screw pile performance in the bearing layer

open access: yesSoils and Foundations
The advantages of using screw piles are quite evident nowadays, which enhances its importance in the field of deep foundations. Moreover, the current environmental challenges direct the construction industry towards sustainability, creating more ...
Adnan Anwar Malik   +4 more
doaj   +1 more source

Evaluation of fasteners and fastener materials for space vehicles [PDF]

open access: yes
Testing of fasteners, bolts, rivets, and fastener materials - high temperature ...
Glackin, J. J., Gowen, E. F., Jr.
core   +1 more source

Torsional Resistance of Reinforced Concrete Girders with Web Openings

open access: yesJournal of Engineering, 2016
In this study, a three dimensional finite element analysis was utilized to study the behavior of reinforced concrete T- girders with and without web openings under pure torsion by using ANSYS APDL 15.0 program.
Mohannad Hussain Al - Sherrawi, Dr   +1 more
doaj   +2 more sources

Elbow Ulnar Collateral Ligament Reconstruction and Repair: A Systematic Review and Meta-analysis of Biomechanical Studies. [PDF]

open access: yesOrthop J Sports Med
Looney AM   +11 more
europepmc   +1 more source

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