Interfacial transition zone (ITZ)
Interfacial transition zone characterization of portland cement mortars containing relatively high dosages of polynaphthalene sulfonate superplasticizers
... Nevertheless it can be shown by plotting = σ m / σ p , the relative or normalized conductivity of the mortar σ m to the paste σ p, against V f,sand in Eq. 5 that the relative conductivity for the mortar system decreases ...
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A cohesive zone model for the characterisation of the interfacial transition zone (ITS) between cement paste and aggregates
... the Interfacial Transition Zone (ITZ) between mortar or cement paste and aggregates, as an independant material with weak mechanical properties ...
12
Effect of polycarboxylate superplasticizer on contribution of interfacial transition zone to electrical conductivity of Portland cement mortars
... Although there have been many investigations of the electrical properties of pastes and mortars, there is little published information re- garding the effect of HRWRA and especially poly[r] ...
10
Identification d'un modèle de zone cohésive pour la zone de transition interfaciale (ITZ) entre le ciment et les granulats lors d'un essai de cisaillement
... 1 Transition d’échelles dans les matériaux cimentaires [JEBLI ...cette zone : auréole de transition, zone de transition interfaciale (Interfacial Transition Zone en ...
5
A transition approach from a local second gradient model to a cohesive zone model
... Following the work by Comi et al [3] and Cuvilliez et al [4] for different regularization methods, we propose to deal with theses issues applying a transition to a cohesive zone model. In this way, the ...
3
Molecular Modeling of Interfacial Phenomena
... The underlying philosophy of PYTIM is to provide a flexible, extendable and easily scriptable system for the calculation of interfaces and interfacial properties in molecular systems that frees the user from the ...
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Analyse des effets de la végétation sur le couvert de neige dans la zone de transition arctique-subarctique par mesures in-situ et télédétection optique (Nunavik)
... 5 Conclusion Dans les régions nordiques, la prolifération d’arbustes observée affecte le couvert de neige de différentes façons avec de grandes incertitudes dans la magnitude et la direction de ces changements. Nous ...
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Properties of Hummocked Ice in Transition Zone Between Fast Ice And Pack Ice, Labrador.
... Because the properties of hummocked ice near Labrador are not very well known, the Canadian Hydraulics Centre (CHC) conducted property measurements at four sites in the hummock field near Nain, Labrador (56.53°N, ...
10
Etude pétrologique, géochimique et structurale de la zone de transition dunitique dans l'ophiolite d'Oman : identification des processus pétrogénétiques à l'interface manteau/croûte
... In this respect, the evolution in the Ti content from relatively low values in the chromite pods included in the Maqsad mantle harzburgites to the intermediate values measured in a strat[r] ...
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Interfacial properties of polymeric liquids
... The structure of the layer in the immediate vicinity of the interface results from the competition between (a) the interactions between the chain segments: two-body interactions (good so[r] ...
5
An Analogue Approach to Characterize the Basement-Sediment Transition Zone as a Geothermal Reservoir
... the transition zone between the sedimentary cover and the basement: - Structural analysis to identify the different tectonic phases and establish the relationship between the fracture/fault sets and ...
12
Interfacial behaviour of Catanionic surfactants
... 1. Introduction Aqueous mixtures of anionic and cationic surfactants (catanionic mixtures) show strongly synergetic behaviour due to mutual electrostatic attraction. 1 This leads in particular to deviation from ideal ...
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Effect of transition zone microstructure on bond strength of aggregate-Portland cement paste interfaces
... Bond strength for the non-porous aggregate-ponland cement paste system is proponional to the negative thickness ratio of the water layer and transition zone and invers[r] ...
7
Turbulent transition of a gaseous mixing zone induced by the Richtmyer-Meshkov instability
... mixing zone [PRS, ...mixing zone features more uniformly distributed air mass fraction mapping, especially in its lower ...mixing zone, as evidenced by the closest proximity between Y = ...
12
Rpgrip1l controls ciliary gating by ensuring the proper amount of Cep290 at the vertebrate transition zone
... Blacque, O., Valente, E., and Leroux, M. (2016). MKS5 and CEP290 Dependent Assembly Pathway of the Ciliary Transition Zone. PLoS Biol. 14, e1002416. Li, Y., Klena, N., Gabriel, G., Liu, X., Kim, A., Lemke, ...
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Transition sociale, transition spatiale?
... la transition démographique, à laquelle le titre de cet article fait explicitement référence ? C’est la rapide expansion du volume d’une population sous l’effet d’une transformation technologique ...
5
Effect of interfacial crystalline growth on autohesion of PEEK
... A B S T R A C T This work aims to clarify the role of the crystalline growth on the autohesion strength of amorphous PEEK below its melting temperature. The self-bonding strength versus temperature, pressure and time has ...
7
Qu’appelle-t-on Zone ?
... « zone » n’est pré- cédé d’aucun déterminant et perd ainsi sa fonction ...la zone serait un lieu non délimité qui sur- monte les frontières ...La zone s’étendrait ...
24
The Nicotiana sylvestris extensin gene, Ext 1.2A, is expressed in the root transition zone and upon wounding.
... All plants carrying the (-630/+124)Ext 1.2A/GUS construct showed the same pattern of expression with different staining levels. As an example, samples from a plant showing one of the highest levels of expression are ...
19
Designing interfacial structures for selective electrocatalysis
... To develop a selective fuel oxidation catalyst with high tolerance to 02, we establish a new configuration of electrocatalysis which employs a mixed electron- proton cond[r] ...
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