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permeation
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permeation
permeation (pɜːmiːˈeɪʃən) [n. of action from prec.: see -ation.] The action of permeating or fact of being permeated; penetration; pervasion.1623 Cockeram, Permeation, a passing ouer. 1652 Bp. Hall Invis. World i. ii, Not a meer involution only, but a spiritual permeation and inexistence. 1657 Tomli...
Oxford English Dictionary
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Permeation
Permeation measurement
The permeation of films and membranes can be measured with any gas or liquid. Permeation can also be measured through intermittent contact.
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permeation
permeation/ˌpɜ:mɪˈeɪʃn; ˌpəmɪ`eʃən/ n[U](fml 文) permeating or being permeated 弥漫; 散布; 充满; 遍布.
牛津英汉双解词典
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Pervaporation
Theory
The term pervaporation is a portmanteau of the two steps of the process: (a) permeation through the membrane by the permeate, then (b) its evaporation upstream side of the membrane is at ambient pressure and the downstream side is under vacuum to allow the evaporation of the selective component after permeation
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persorption
persorption Chem. (pəˈsɔːpʃən) [f. permeation + sorption.] Sorption in which molecules of a gas enter pores in a solid that are only a little larger than themselves.1930 McBain & Britton in Jrnl. Amer. Chem. Soc. LII. 2220 The sorbed molecules of nitrogen must be so intimately surrounded by the atom...
Oxford English Dictionary
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Thiomer
Permeation enhancement
Thiomers are able to reversibly open tight junctions. Due to thiolation the permeation enhancing effect of polymers such as polyacrylic acid or chitosan can be up to 10-fold improved.
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Ethosome
They have high penetration of the horny layer of the skin, which enhances the permeation of encapsulated drugs. The mechanism of permeation enhancement is attributed to the overall properties of the system.
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Gel permeation chromatography
Gel permeation chromatography (GPC) is a type of size-exclusion chromatography (SEC), that separates high molecular weight or colloidal analytes on the The term gel permeation chromatography can be traced back to J.C. Moore of the Dow Chemical Company who investigated the technique in 1964.
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Explanation of the 'division of $52$ cards' in four groups of $13$ problem? I have been thinking about this problem, total possible combinations of division of $52$ cards deck in $4$ groups of $13$. I remember that t...
It counts your four combinations as $4!$ different deals. The reasoning is as follows. Suppose that we label the four hands North, South, East, and West, as is standard in bridge. There are $\binom{52}{13}$ ways to choose North’s hand, then $\binom{39}{13}$ ways to choose South’s hand from the remai...
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DDAIP
Mechanism of action
DDAIP is a permeation enhancer that temporarily changes the permeation dynamics of the lipid bilayer and opens up the tight junctions It can also improve the solubility of compounds resulting in enhanced drug permeation.
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(PDF) Parthia and Eastward Permeation of the Hellenistic Culture(In ...
This paper provides an overview of Filipiniana rare books and Filipiniana rare books management. It discusses the nature and scope of Filipiniana rare books and by surveying their status in select libraries in the Philippines, this study attempts to draw the state of Filipiniana rare books management in the country.
www.academia.edu
Greaseproof paper
See also
Darcy (unit)
Parchment paper
Permeability (earth sciences)
Permeation
Wax paper
References
External links
Greaseproof Board
Paper
Food
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小分子团水、小分子团酒这些东西是否存在?
Structural determinants of water permeation through aquaporin-1[J]. Nature, 2000, 407(6804): 599. 2. Chaplin M.
zhihu
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Apricus Biosciences
NexACT Technology
NexACT® is a proprietary water-soluble small molecule permeation enhancer which temporarily changes the permeation dynamics of the lipid It can also improve the solubility of compounds resulting in enhanced drug permeation.
Leadership
Richard Pascoe - CEO Mr.
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Polymer Char
Molar mass distribution
GPC-IR: high temperature gel permeation chromatography (GPC) for polyolefin molar mass distribution. Data Unit 200: signals device for gel permeation chromatography instruments.
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