Results 81 to 90 of about 3,622,016 (209)

Introduction to session on materials and structures [PDF]

open access: yes, 1978
A review was given of the development of composites for aircraft. Supporting base technology and the Aircraft Energy Efficiency Composites Program are included.
Vosteen, L. F.
core   +1 more source

DNA Computing by Self-Assembly [PDF]

open access: yes, 2003
Information and algorithms appear to be central to biological organization and processes, from the storage and reproduction of genetic information to the control of developmental processes to the sophisticated computations performed by the nervous ...
Winfree, Erik
core  

Rapic project: toward a new generation of inexpensive heat exchanger-reactors for process intensification [PDF]

open access: yes, 2009
Process intensification (PI) in chemical production is a major concern of chemical manufacturers. This alternative technology involves transposing syntheses into continuous plug flow reactors with process intensification, leading to a multifunctional ...
Cabassud, Michel   +9 more
core  

Comparison of Four Space Propulsion Methods for Reducing Transfer Times of Manned Mars Mission

open access: yes, 2015
We assess the possibility of reducing the travel time of a manned mission to Mars by examining four different propulsion methods, and keeping the mass at departure under 2,500 tonnes, for a fixed architecture. We evaluated representative systems of three
Bertolami, O.   +2 more
core  

ANALISIS KEBIJAKAN JEPANG DALAM PEMBATASAN EKSPOR BAHAN KIMIA TERHADAP KOREA SELATAN TAHUN 2019 [PDF]

open access: yes
This research investigates Japan's policy of restricting chemical exports to South Korea in 2019. The chemicals restricted by Japan include fluorinated polyamide, photoresist, and hydrogen fluoride.
Zahra, Deva Ardhina
core  

Electronic properties and applications of MXenes: a theoretical review

open access: yes, 2017
Recent chemical exfoliation of layered MAX phase compounds to novel two-dimensional transition metal carbides and nitrides, so called MXenes, has brought new opportunity to materials science and technology.
Arai, Masao   +4 more
core   +1 more source

Technology-enhanced learning influence on chemical literacy: A systematic review

open access: yesEclética Química
Chemical literacy is essential to address socio-scientific issues arising today. Technology plays a key role in increasing students’ chemical literacy. Understanding how technology improves chemical literacy can help teachers choose appropriate learning ...
Ananta Ardyansyah, Sri Rahayu
doaj   +1 more source

Estimating Water Demand Schedules for Selected Industries in Arkansas [PDF]

open access: yes, 1981
Water demand functions for the paper and chemical industries in the state of Arkansas were estimated utilizing data collected from individual plants throughout the state.
Bell, Stephen E., Ziegler, Joseph A.
core   +2 more sources

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