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how is pet made
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Biological samples generally do not expand in epoxy; instead, there's a potential for them to contract or experience shrinkage. Epoxy resins are commonly used in the preparation of biological samples for electron microscopy due to their ability to infiltrate and stabilize samples. The embedding process involves dehydration of the sample and infiltration with the epoxy resin before polymerization. During dehydration, water is removed, which can cause shrinkage, whereas the embedding process itself is not typically associated with expansion. Any dimensional changes in the biological sample are more likely due to the preparation steps preceding the embedding rather than the interaction with the epoxy.
Biological samples generally do not expand in epoxy; instead, there's a potential for them to contract or experience shrinkage. Epoxy resins are commonly used in the preparation of biological samples for electron microscopy due to their ability to infiltrate and stabilize samples. The embedding process involves dehydration of the sample and infiltration with the epoxy resin before polymerization. During dehydration, water is removed, which can cause shrinkage, whereas the embedding process itself is not typically associated with expansion. Any dimensional changes in the biological sample are more likely due to the preparation steps preceding the embedding rather than the interaction with the epoxy.
Cellulose thinner is specifically designed for diluting or cleaning up cellulose-based paints. It's made from a blend of solvents that effectively break down the cellulose paint, ensuring a smooth application or making the cleaning of tools easier. On the other hand, 'thinner' is a more general term that can refer to any solvent used for diluting or removing paint. There are various types of thinners available, such as mineral spirits or turpentine, each suitable for different kinds of paints and finishes (e.g., oil-based, enamel, acrylic). The main difference lies in their formulation and intended use, with cellulose thinner being more specialized.
Conductive polymers, due to their unique properties of combining conductivity with flexibility and lightweight structure, offer a plethora of applications. In the field of electronics, they can be utilized for making flexible displays, solar cells, and organic transistors, which benefit from their ability to conduct electricity while retaining the physical properties of polymers. Moreover, their application in energy storage devices such as batteries and supercapacitors is of significant interest due to their high conductivity and chemical stability. Conductive polymers also show promise in the biomedical field, for example, in developing biocompatible sensors and drug delivery systems, where their conductivity can be used for precise control and detection. Additionally, they are being explored for use in electrochromic devices, which change color upon application of an electric voltage, applicable in smart windows and mirrors. The versatility of conductive polymers opens up innovative possibilities in various sectors, making them a subject of extensive research and development.
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