Results 21 to 30 of about 1,212,847 (234)

Cracking the epitranscriptome [PDF]

open access: yesRNA, 2016
Over 100 distinct chemical modifications can be catalyzed on RNA post-synthesis, potentially serving as a post-transcriptional regulatory layer of gene expression. This review focuses on recent advances, knowledge gaps, and challenges pertaining to N6-methyladenosine (m6A), an abundant modification of mRNA for which substantial progress has been made ...
openaire   +3 more sources

Methane cracking over cobalt molybdenum carbides [PDF]

open access: yes, 2018
The catalytic behaviour of Co3Mo3C, Co6Mo6C, Co3Mo3N and Co6Mo6N for methane cracking has been studied to determine the relationship between the methane cracking activity and the chemical composition.
Alshibane, I.   +3 more
core   +1 more source

Quantity Effect of Radial Cracks on the Cracking Propagation Behavior and the Crack Morphology

open access: yesPLoS ONE, 2014
In this letter, the quantity effect of radial cracks on the cracking propagation behavior as well as the circular crack generation on the impacted glass plate within the sandwiched glass sheets are experimentally investigated via high-speed photography system.
Jingjing Chen   +4 more
openaire   +5 more sources

A study on surface cracking in extrusion of aluminium alloy AA2014 [PDF]

open access: yes, 2004
Surface cracking is generally recognised as one of the main defects occurring during the process of aluminium extrusion, especially in the case of the so called hard aluminium alloys.
Peng, Z., Sheppard, Terry
core   +1 more source

Cracking in asphalt materials [PDF]

open access: yes, 2018
This chapter provides a comprehensive review of both laboratory characterization and modelling of bulk material fracture in asphalt mixtures. For the purpose of organization, this chapter is divided into a section on laboratory tests and a section on ...
AF Braham   +56 more
core   +4 more sources

Cracking pressure control of parylene checkvalve using slanted tensile tethers [PDF]

open access: yes, 2010
MEMS check valves with fixed cracking pressures are important in micro-fluidic applications where the pressure, flow directions and flow rates all need to be carefully controlled.
Lin, Jeffrey Chun-Hui   +2 more
core   +1 more source

Matrix cracking in polymeric composites laminates: Modelling and experiments [PDF]

open access: yes, 2007
Composites ability to retain functionality in the presence of damage is a crucial safety and economic issue. Generally the first damage mode in composite laminates is matrix cracking, which affects the mechanical properties of the structure long before ...
Galiotis, C.   +3 more
core   +3 more sources

Cracking Piles of Brittle Grains

open access: yes, 1998
A model which accounts for cracking avalanches in piles of grains subject to external load is introduced and numerically simulated. The stress is stochastically transferred from higher layers to lower ones.
C. C. Mounfield   +30 more
core   +1 more source

Effect of temperature and branching on the nature and stability of alkene cracking intermediates in H-ZSM-5 [PDF]

open access: yes, 2017
Catalytic cracking of alkenes takes place at elevated temperatures in the order of 773–833 K. In this work, the nature of the reactive intermediates at typical reaction conditions is studied in H-ZSM-5 using a complementary set of modeling tools.
Cnudde, Pieter   +4 more
core   +1 more source

Effect of Cracking on Corrosion of Steel in Concrete

open access: yes, 2018
It is generally recognized that cracks provide easy access to ingress of chlorides in concrete and hence, the initiation of corrosion of steel in cracked concrete occurs at early stage.
Faiz Shaikh
semanticscholar   +1 more source

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