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Updated: Jul 6, 2025

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由原始和补充方法确定的生物基多层材料的水蒸气传输特性

Manon Guivier1, Chloé Chevigny1, Sandra Domenek1

  • 1Université Paris-Saclay, INRAE, AgroParisTech, UMR SayFood, 91120, 22 Place de l'Agronomie, Palaiseau, France.

Scientific reports
|January 3, 2024
PubMed
概括

聚乳酸 (PLA) 薄膜上的超薄纳米纤维素和奇托桑涂层显著改变了水运输. 这些纳米层,即使在较低的重量百分比下,也会影响PLA的水蒸气吸收和扩散特性.

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Volatilization01:10

Volatilization

Volatilization gravimetry is an analytical technique that measures the mass lost due to the volatilization of the substance. This technique is used to estimate the amount of volatile material in a sample. To perform this method, heat a known amount of the sample to a high temperature in a crucible or other suitable vessel. The volatile substance in the sample evaporates, and the vapor is completely expelled from the crucible either by heating the sample or bubbling a stream of inert gas through...
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Xylem and Transpiration-driven Transport of Resources

The xylem of vascular plants distributes water and dissolved minerals that are taken up by the roots to the rest of the plant. The cells that transport xylem sap are dead upon maturity, and the movement of xylem sap is a passive process.
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