Results 51 to 60 of about 11,766 (167)

The Conference on High Temperature Electronics [PDF]

open access: yes
The status of and directions for high temperature electronics research and development were evaluated. Major objectives were to (1) identify common user needs; (2) put into perspective the directions for future work; and (3) address the problem of ...
Hamilton, D. J.   +3 more
core   +1 more source

Semantic discovery and reuse of business process patterns [PDF]

open access: yes, 2009
Patterns currently play an important role in modern information systems (IS) development and their use has mainly been restricted to the design and implementation phases of the development lifecycle.
Aldin, L, de Cesare, S, Lycett, M
core   +1 more source

An Induced Environment Contamination Monitor for the Space Shuttle [PDF]

open access: yes
The Induced Environment Contamination Monitor (IECM), a set of ten instruments integrated into a self-contained unit and scheduled to fly on shuttle Orbital Flight Tests 1 through 6 and on Spacelabs 1 and 2, is described.
Decher, R., Miller, E. R.
core   +1 more source

Performance Analysis of Mixed Nakagami- $m$ and Gamma–Gamma Dual-Hop FSO Transmission Systems

open access: yesIEEE Photonics Journal, 2015
In this paper, we carry out a unified performance analysis of a dual-hop relay system over the asymmetric links composed of both radio-frequency (RF) and unified free-space optical (FSO) links under the effect of pointing errors.
Emna Zedini   +2 more
semanticscholar   +1 more source

NDE: An effective approach to improved reliability and safety. A technology survey [PDF]

open access: yes
Technical abstracts are presented for about 100 significant documents relating to nondestructive testing of aircraft structures or related structural testing and the reliability of the more commonly used evaluation methods.
Carpenter, J. L., Jr., Stuhrke, W. F.
core   +1 more source

RADIATION SAFETY PROCEDURES FOR FLOODED MEMBER INSPECTION USING GAMMA TRANSMISSION TECHNIQUE: A COMPREHENSIVE REVIEW

open access: yesTNU Journal of Science and Technology
Bài báo này cung cấp một đánh giá toàn diện về các quy trình an toàn bức xạ trong Kiểm tra cấu kiện ngập nước sử dụng kỹ thuật gamma truyền qua, một phương pháp kiểm tra không phá hủy quan trọng trong ngành công nghiệp dầu khí ngoài khơi. Kỹ thuật này sử dụng các đồng vị phát gamma năng lượng cao, đặc biệt là Cobalt-60, để đánh giá độ toàn vẹn của các ...
Đặng Quốc Triệu   +3 more
openaire   +1 more source

Short-lived synchrotron-induced radioactivities [PDF]

open access: yes, 1951
The use of a scintillation spectrometer for measurement of the energy distribution and half-life of short-lived beta-emitters is described. The instrumentation is especially suited for use with radioactivities of low intensity resulting from photonuclear
Boley, Forrest I., Zaffarano, D. J.
core   +2 more sources

Space Settlements: A Design Study [PDF]

open access: yes
Nineteen professors of engineering, physical science, social science, and architecture, three volunteers, six students, a technical director, and two co-directors worked for ten weeks to construct a convincing picture of how people might permanently ...
Holbrow, Charles, Johnson, Richard D.
core   +1 more source

Effectiveness of CoronaVac among healthcare workers in the setting of high SARS-CoV-2 Gamma variant transmission in Manaus, Brazil: A test-negative case-control study

open access: yesThe Lancet Regional Health - Americas, 2021
M. Hitchings   +22 more
semanticscholar   +1 more source

Silver-activated radiophotoluminescent glass: band assignments and a novel readout system using a modulated UV laser diode [PDF]

open access: yes, 2010
金沢大学人間社会研究域人間科学系We investigated the assignments and characteristics of the X-ray-induced colour centres in a silver-activated radiophotoluminescent glass.
Kurobori Toshio, Zhao C., Zheng Wang
core   +1 more source

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