Impregnation


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Impregnation

 

saturation of fixed animal tissues with certain metal salts or oxides (for example, silver nitrate, cobalt nitrate, chlorites of gold and cadmium, and osmic acid anhydride). One of the methods of revealing histological structures.

impregnation

The process of adding chemical preservatives, resin, or fire retardants to wood under pressure. Also see Bethell process.
References in periodicals archive ?
It is known that if metallocene is direcily impregnated onto a support, both the degree of impregnation and the catalytic activity are usually low (16).
Effect of activation time, temperature of carbonization and impregnation percentage on Oil and grease removal: Figure 3 shows the percentage removal increase from 10%, 20%, and 30 % but slightly decrease after 40% and 50% for 500[degrees]C, 600[degrees]C, and 700[degrees]C of carbonization where, 20% >10% > 30% > 40%> 50%.
Type of resin, formulation and percentage of impregnation will vary from to manufacturer, and will affect the performance parameters of the product.
Launching <Btheir careers at Egger, Carly Biscoe, Andrew Shepherd and Jenna Wiseman in front of the impregnation lines
Loctite is a standardized process flow, quality system, fully automated computer controlled impregnation system, and high-tech resins deliver consistent quality and sealing performance.
Today, impregnation is seen as a routine quality enhancement that is regarded as essential in the production of parts for components such as automotive compressors, engine blocks, transmissions, which could fail if they were to leak due to porosity in the casting.
The concern for enhancing matrix-dominated properties of hybrid multiscale composites necessitates the investigation on the processiblity of CNTs/epoxy nanocomposite matrix to provide the information on impregnation process during the fabrication.
Any changes in the color of the apple slices caused by the calcium impregnation process and UV-C can be minimized by applying a suitable antibrowning pretreatment.
With over 60 years of experience, Godfrey & Wing is recognized as the global leader in vacuum impregnation science and technology.
Leaching was analyzed according to JIS K 1571 standard (JIS 1999), after the samples had first been sealed in a plastic bag and conditioned for 4 weeks at room temperature after preservative impregnation.
The company says the matrix of its new Evolite exhibits the lowest viscosity of any polyamide, which aids impregnation, allowing reinforcement rates up to 62 per cent.