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词汇 pretreat
释义

Definition of pretreat in English:

pretreat

verb priːˈtriːtprēˈtrēt
[with object]
  • Treat (something) with a chemical before use.

    预处理

    the steel is pretreated against corrosion
    Example sentencesExamples
    • The coverslips were pretreated with sterile poly-L-lysine to improve cell adhesion to the glass.
    • Stable images have been obtained by pretreating the mica with a solution containing divalent cations such as Mg 2 + ions.
    • I do love a cup of java that's been pretreated with chemicals.
    • When required, cells were pretreated with various inhibitors before irradiation, and then the medium with and without inhibitors was collected.
    • Only one of the two groups was pretreated with different concentrations of apple phenolic extracts.
    • The softer grade was formed by pretreating the monomers (single units) with oxygen and polymerizing them at 149°F.
    • Spores were pretreated with BFA for 60 min and settled onto polystyrene for 5 min.
    • Each urine sample was pretreated with 3% sodium borohydride and analyzed directly with HGAAS.
    • Cells were pretreated with various compounds dissolved in DMSO over a wide range of concentrations, and DMSO itself was also examined.
    • Microspores were induced to enter the embryogenic pathway by pretreating whole anthers in mannitol salt solution.
    • Soil samples were pretreated with excess 0.1 M orthophosphoric acid to remove inorganic C salts.
    • ‘So far, the most effective way we've found to break down the fiber is to pretreat it with mild acid and then with alkaline hydrogen peroxide,’ says Bothast.
    • Perhaps it is theorized that by pretreating a component in a certain way, it will exhibit behavior more conducive to assembly.
    • The solid-color swatches were pretreated so that both the wool and cotton yarns would pick up the dye evenly.
    • The land nearby can be pretreated with chemicals to prevent the oil from sticking when it washes ashore.
    • Commonly, water softeners are used to pretreat the feed water to remove the minerals that cause scale.
    • Whole sputum samples were pretreated with 0.1% dithiothreitol in PBS.
    • The cultures were pretreated with each GAG lyase before using them in radioligand binding assays.
    • The sample was pretreated with HCI and NaOH before organic carbon was extracted using an oxygen plasma.
    • Procedures for chemically pretreating archaeological charcoal vary only slightly from laboratory to laboratory, and all involve treatment with acid and sodium hydroxide.

Derivatives

  • pretreatment

  • noun ˌpriːˈtriːtm(ə)ntˌpriˈtritm(ə)nt
    mass noun
    • The treatment of something with a chemical before use.

      预处理

      the pretreatment of the wood had several beneficial effects on the pulping process
      Example sentencesExamples
      • count noun our new technique uses a lot less water than previous pretreatments
      • Surface pretreatments, such as chromating or phosphating, are necessary to ensure good adherence of paint or lacquer finishes.
      • Allegheny has pioneered the usage of pretreatments such as steam treating to clean and seal the porosity of powdered metal prior to coating.
      • ‘Our improved method uses pretreatments to make the cotton as receptive to dye uptake as the wool,’ she says.

Definition of pretreat in US English:

pretreat

verbprēˈtrēt
[with object]
  • Treat (something) with a chemical before use.

    预处理

    the steel is pretreated against corrosion
    Example sentencesExamples
    • The coverslips were pretreated with sterile poly-L-lysine to improve cell adhesion to the glass.
    • Cells were pretreated with various compounds dissolved in DMSO over a wide range of concentrations, and DMSO itself was also examined.
    • Each urine sample was pretreated with 3% sodium borohydride and analyzed directly with HGAAS.
    • Procedures for chemically pretreating archaeological charcoal vary only slightly from laboratory to laboratory, and all involve treatment with acid and sodium hydroxide.
    • Stable images have been obtained by pretreating the mica with a solution containing divalent cations such as Mg 2 + ions.
    • The sample was pretreated with HCI and NaOH before organic carbon was extracted using an oxygen plasma.
    • When required, cells were pretreated with various inhibitors before irradiation, and then the medium with and without inhibitors was collected.
    • Spores were pretreated with BFA for 60 min and settled onto polystyrene for 5 min.
    • The land nearby can be pretreated with chemicals to prevent the oil from sticking when it washes ashore.
    • Soil samples were pretreated with excess 0.1 M orthophosphoric acid to remove inorganic C salts.
    • The cultures were pretreated with each GAG lyase before using them in radioligand binding assays.
    • Commonly, water softeners are used to pretreat the feed water to remove the minerals that cause scale.
    • ‘So far, the most effective way we've found to break down the fiber is to pretreat it with mild acid and then with alkaline hydrogen peroxide,’ says Bothast.
    • I do love a cup of java that's been pretreated with chemicals.
    • The solid-color swatches were pretreated so that both the wool and cotton yarns would pick up the dye evenly.
    • Perhaps it is theorized that by pretreating a component in a certain way, it will exhibit behavior more conducive to assembly.
    • Whole sputum samples were pretreated with 0.1% dithiothreitol in PBS.
    • Only one of the two groups was pretreated with different concentrations of apple phenolic extracts.
    • Microspores were induced to enter the embryogenic pathway by pretreating whole anthers in mannitol salt solution.
    • The softer grade was formed by pretreating the monomers (single units) with oxygen and polymerizing them at 149°F.
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