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Get PriceJul 12, 2019Fruit tissues from different storage periods were taken and fixed with 2.5% glutaraldehyde and 1% osmium tetroxide, then treated as follows they were washed with PBS (phosphate buffer saline) buffer, eluted with an ethanol gradient, embedded in SPI812 resin, ultrasonically sectioned on an Ultracut Uct (Leica, Germany), and stained with uranyl
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Get PriceAir Classifiers are used to separate dry materials into different particle size fractions by their size, mass or shape. Air Classifiers are used to modify a particle size distribution, remove the fines fraction of a material or the over size or coarse particles of a material or create two grades of material.
Get PriceJul 21, 2017Electron microscopy analysis of myelin sheath thickness and axon diameter in the cuprizone model. Mice were anesthetized and perfused with PBS as described in the preceding sections, following which they were fixed using 4% PFA and 2.5% glutaraldehyde in phosphate buffer and re-fixed overnight at 4 C.
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Get PriceClassification of ovarian follicles has been described in more detail (Talsness et al. 2005) and is based on a modification (Plowchalk et al. 1993) of a published scheme (Pedersen and Peters 1968); atretic follicles were identified by characteristics previously described by Borgeest et al.
Get PricePrecision Air Classifiers Avity Agrotech And Industries. The Precision Air Classifiers are high precision two-way separators working on the terminal velocity principle for the separation of aerodynamically lighter material from heavier material. These are ideal for separation of hulls, husks, fibres, and shells from decorticated seeds.
Get PriceCost-effective air re-circulation system as option, can operate without a filter. The classification efficiency can be optimized by the use of a second classifier for the coarse product, with inlet for secondary air. Bauermeister Air Classifiers are available in both carbon and stainless steel.
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Get PriceJun 07, 2017DRY CLASSIFICATION Dry classifiers are based on the air fluidization. Air classification is a process of separating categories of materials by way differences in their respective aerodynamic characteristics. Dry classification using separation by centrifugal force typically covers the range of 5 micrometers to 150 micrometers. The process
Get PriceThe epoxy‐embedded samples were cut into serial, transverse, semithin (15 μm) sections with an ultramicrotome (Ultracut; Reichert‐Jung, Vienna, Austria) using a glass knife, and then stained with safranin in a 1% aqueous solution. After washing in water, the sections were transferred onto microscope glass slides and air‐dried.
Get Pricepipe air classifiers is not satisfactory, since they are not able to achieve a density-dominant separation, zig-zag air classifiers and passive pulsing air classifiers became the designs of interest for study (Figure 1)2. Passive pulsing air classifiers have a cross-sectional area, which expands and contracts along the length of the device
Get PriceMay 18, 2016Neuromyelitis optica study model based on chronic infusion of autoantibodies in rat cerebrospinal fluid. R. Marignier 1,2 were cut with a Reichert Ultracut E (Leica) ultra-microtome, mounted on 200 mesh copper grids coated with 11000 poly-lysine and contrasted with uranyl acetate and lead citrate. Classification (1020 to 100140
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Get PriceWith fresh air classifiers, Type N, the air quality required for classifying is drawn in from the immediate surrounding area of the classifier and is discharged to atmosphere. Type R Recycled classifiers, Type R, discharge only 5% of the classifying air to atmosphere. The remaining 95% is recycled to the air inlet of the classifier.
Get PriceVibrio parahaemolyticus is a globally disseminated Gram-negative marine bacterium and the leading cause of seafood-borne acute gastroenteritis. Pathogenic bacterial isolates encode two type III secretion systems (T3SS), with the second system (T3SS2) considered the main virulence factor in mammalian hosts. For many decades, V. parahaemolyticus has been studied as an exclusively extracellular
Get PriceMicrosporogenesis and male gametogenesis in Jatropha curcas L. (Euphorbiaceae)1 Huanfang F. Liu South China Botanical Garden, Chinese Academy of Sciences, Guangzhou, 510650, China, and Graduate School of Chinese Academy of Sciences, Beijing, 100039, China Bruce K. Kirchoff
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