| 词汇 | paraffin |
| 释义 | paraffin noun[ U ] uk /ˈpær.ə.fɪn/ us /ˈper.ə.fɪn/ paraffinnoun[U] (LIQUID)UK(USkerosene) a clear liquid with a strong smell that is made from coal or petroleum, and used as a fuel, especially in heaters and lights煤油 Petroleum products especially when used as fuel antiknocking derv diesel downstream four-star gas gasohol gasoline hexane high-octane juice leaded LPG mineral oil non-leaded octane number oil petroleum jelly premium unleaded paraffinnoun[U] (WAX)(alsoparaffin wax) a white wax made from petroleum or coal, used especially to make candles石蜡 Petroleum products especially when used as fuel antiknocking derv diesel downstream four-star gas gasohol gasoline hexane high-octane juice leaded LPG mineral oil non-leaded octane number oil petroleum jelly premium unleaded Examples of paraffinparaffin The pads were impregnated in paraffin wax (56 - 58@). All paraffin-embedded sections were fixed with 4% paraformaldehyde. Paraffin-embedded slides were dewaxed with three washes in xylene followed by dehydration in ethanol. The tissue was embedded in paraffin and sectioned. Each specimen was embedded in paraffin and cut transversally at 10 pm for light microscopy. The corks of tubes containing alcohol should be covered with paraffin wax to prevent leakage. The antibody works on formalin-fixed, paraffin-embedded tissue sections, frozen tissue sections and cell smears. Cells are visualized with lectin histochemistry in paraffin sections. Modellers also incorporated paraffin wax, tallow, spermaceti, and the resin balsam. If the nuclear status was unclear, the oocytes were mounted on slides that had been prepared with petroleum jelly/paraffin wax supporting droplets. They were placed in a small drop of enucleation solution under paraffin oil in a micromanipulation chamber. When paraffin sections (8 m) were cut, only the oviduct sections containing mouse embryos were chosen for further deparaffining and rehydrating. After embedding in paraffin, serial 20 m thick transverse sections were cut along the whole rostral-caudal axis of the brainstem and mounted. The isomerization of normal paraffins does not consume or produce hydrogen. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. Branched chain paraffins tend to resist knock while straight chain paraffins knock easily. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. See all examples of paraffin These examples are from corpora and from sources on the web. Any opinions in the examples do not represent the opinion of the Cambridge Dictionary editors or of Cambridge University Press or its licensors. |
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