diffusion barrier

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diffusion barrier [də′fyü·zhən ‚bar·ē·ər]

(chemical engineering)

Porous barrier through which gaseous mixtures are passed for enrichment of the lighter-molecular-weight constituent of the diffusate; used as a many-stage cascade system for the recovery of²³⁵UF₆isotopes from a²³⁸UF₆stream.

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No references found			Generally, infants born with the disease have defects in the normal air-blood diffusion barrier in their lungs. Gene for deadly inherited lung disease identified by Asian News International The most common diffusion barrier that can impact on results interpretation is edema around the wound site. Transcutaneous best practices by Capek, Kenneth / FOCUS: Journal for Respiratory Care & Sleep Medicine A different and new process that was recently reported shows that V-VI materials, deposited at ambient temperature as thin element layers, crystallize almost perfectly oriented during a post-annealing process if suitable diffusion barriers were used between the [V. Formation of nanometerscale layers of V-VI ... by Bottner, Harald; Ebling, Dirk; Kolbel, Heiko; Schubert, Axel; Gavrikov, Alexander; Mahlke, Andreas; / Proceedings of the Estonian Academy of Sciences: Engineering			diffuse spectrum Diffuse Toxic Goiter diffuse transmission diffuse transmission density diffuse-cutting filter diffuse-porous wood diffused emitter-collector transistor diffused junction diffused mesa transistor diffused resistor diffused-alloy transistor diffused-base transistor diffused-junction rectifier diffused-junction transistor Diffuser diffusing disk diffusing glass diffusing panel diffusing screen diffusing surface diffusiometer Diffusion diffusion annealing Diffusion Apparatus diffusion area diffusion barrier diffusion bonding diffusion brazing diffusion capacitance Diffusion Chamber diffusion cloud chamber Diffusion Coating diffusion coefficient diffusion constant diffusion current diffusion diagram diffusion diameter diffusion disk diffusion equation diffusion extraction diffusion flame diffusion gradient diffusion hygrometer diffusion kernel diffusion length diffusion lens diffusion number Diffusion of Neutrons Diffusion of Power Theory diffusion plant diffusion potential			diffusing screen diffusing screen diffusing surface diffusing surface Diffusing-Update Algorithm diffusiometer diffusion diffusion diffusion diffusion Diffusion (anthropology) Diffusion (business) Diffusion (business) Diffusion (disambiguation) Diffusion (disambiguation) Diffusion (disambiguation) Diffusion (disambiguation) Diffusion (mathematics) Diffusion (mathematics) Diffusion (mathematics) Diffusion (mathematics) Diffusion Ameublement Fabrique diffusion annealing diffusion anoxia Diffusion Apparatus diffusion area Diffusion Art Musique Diffusion Assistance Forterre Puisaye Diffusion Auto Industrielle Électricité Diffusion Automobile des Grandes Alpes diffusion barrier Diffusion Bayonne Peinture Auto Diffusion Binding Assay diffusion bonding Diffusion Brazing Diffusion Brazing Diffusion Cadeaux Loisirs Vidéo Diffusion capacitance Diffusion capacity diffusion chamber diffusion chamber diffusion chamber diffusion chamber Diffusion Chaussures et Vêtements diffusion cloud chamber diffusion coating Diffusion coefficient Diffusion coefficient Diffusion coefficient Diffusion coefficient Diffusion coefficient Diffusion Coefficient in Crude Oil Diffusion Communication Promotion Édition Diffusion constant Diffusion constant diffusion current Diffusion d'Abonnements de la Librairie Georg Diffusion d'Instruments de Mesure Diffusion de Biens d'Equipement de l'Habitat Diffusion De Donnes Diffusion de l'Information sur l'Amérique Latine

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