Results 241 to 250 of about 259,718 (303)

In Silico Engineering of Enzyme Access Tunnels

2021
Enzyme engineering is a tailoring process that allows the modification of naturally occurring enzymes to provide them with improved catalytic efficiency, stability, or specificity. By introducing partial modifications to their sequence and to their structural features, enzyme engineering can transform natural enzymes into more efficient, specific and ...
Gautieri A.   +4 more
openaire   +4 more sources

Scanning tunnelling engineering

Journal of Microscopy, 1988
SUMMARY The great potential for building molecular scale machines and other structures was first noted by Richard Feynman (1960). He also proposed the development of tools to construct nanoscale mechanisms and devices. The range of technology that he proposed is now called nanotechnology
Conrad Schneiker   +5 more
openaire   +1 more source

GEOTECHNICAL ENGINEERING FOR THE MEDWAY TUNNEL AND APPROACHES.

ICE Proceedings, Transport, 2000
The design and construction of the Medway immersed tube tunnel and approach structures required a thorough investigation of the site and a detailed understanding of the geology and geotechnical behaviour of the soils. The paper describes the ground investigation and discusses how the design accommodated the ground conditions to allow the tunnel and ...
Q. Leiper, T. Roberts, D. Russell
openaire   +1 more source

Quantum Tunneling Affects Engine Performance

The Journal of Physical Chemistry Letters, 2013
We study the role of individual reaction rates on engine performance, with an emphasis on the contribution of quantum tunneling. It is demonstrated that the effect of quantum tunneling corrections for the reaction HO2 + HO2 = H2O2 + O2 can have a noticeable impact on the performance of a high-fidelity model of a compression-ignition (e.g., diesel ...
Sibendu, Som   +7 more
openaire   +2 more sources

Study on Shiziyang Tunnel Engineering Geology and Shield Tunneling

Deep and Underground Excavations, 2010
The Shiziyang tunnel is in passenger dedicated rail line connecting Guangzhou, Shenzhen and Hong Kong. It will be the longest underwater tunnel and have the highest technical level in China. This article describes the tunnel’s design and construction schemes, analyzes and summarizes the characteristics of this tunnel, in terms of its geological and ...
Xinan Yang   +3 more
openaire   +1 more source

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