Polymeric Carbon Dioxide
نویسندگان
چکیده
منابع مشابه
High-pressure polymeric phases of carbon dioxide.
Understanding the structural transformations of solid CO(2) from a molecular solid characterized by weak intermolecular bonding to a 3-dimensional network solid at high pressure has challenged researchers for the past decade. We employ the recently developed metadynamics method combined with ab initio calculations to provide fundamental insight into recent experimental reports on carbon dioxide...
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Polypropylene hollow fiber membrane (PPHFM) contactor, with aqueous solution absorbent such as sodium hydroxide (NaOH), monoethanolamine (MEA) and diethanolamine (DEA), was designed and used to separate and fix CO2 from CO2/N2 gas mixtures. The factors that influence the separation properties of CO2/N2 were investigated. It was found that the CO2 removal efficiency is the best by using MEA solu...
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A general approach for producing biodegradable nanoparticles for sustained nucleic acid release is presented. The nanoparticles are produced by precipitating a water-in-oil microemulsion in supercritical CO(2). The microemulsion consists of a transfer RNA aqueous solution (water phase), dichloromethane containing poly(l-lactic acid)-poly(ethylene glycol) (oil phase), the surfactant n-octyl β-D-...
متن کاملAversiveness of carbon dioxide.
Carbon dioxide can produce aversive stimulation of the upper airways, and in their recent review Conlee et al. (2005) emphasized: ‘y Leach et al. (2002) concluded that CO2, either alone or in combination with argon, cannot be used humanely at any concentration and is therefore unacceptable as a euthanasia agent for laboratory rodents, particularly when more humane methods exist. The findings of...
متن کاملAversiveness of carbon dioxide.
We are grateful to Dr Ronald Wood for providing in his letter in the July issue (Wood 2005) his expert views and methodologies that could potentially be used in future to test the behavioural effects of airborne contaminants and irritants. Dr Wood seems to accept in his letter that carbon dioxide is aversive but he is unsure how aversive, and believes that it can be safely and humanely used in ...
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ژورنال
عنوان ژورنال: MRS Proceedings
سال: 1999
ISSN: 0272-9172,1946-4274
DOI: 10.1557/proc-579-239