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词汇 surfactant
释义

Definition of surfactant in English:

surfactant

noun səˈfakt(ə)ntsərˈfæktənt
  • A substance which tends to reduce the surface tension of a liquid in which it is dissolved.

    表面活性剂

    Example sentencesExamples
    • The third item on the list is a surfactant like liquid dishwashing detergent.
    • Finally, addition of cationic surfactants to lipid membranes leads to hole formation.
    • Common binders are a combination of waxes and organic materials, which may include thermoplastics or thermosets along with surfactants and other additives.
    • The primary conditioning ingredients are cationic surfactants, silicones, and polymers.
    • The nonstick chemicals also serve in stain-resistant coatings and as surfactants in fire-fighting foams, floor polishes, and insecticides.
    • Silicone surfactants, and amine and tin catalysts, are also used.
    • This phosphate group makes phospholipids polar like surfactants.
    • The use of crop oil, surfactants or fertilizer solutions generally increases burndown activity of these herbicides.
    • Also known as surfactants, these materials help stabilize the system by reducing the interfacial tension between the two phases.
    • Water is a fabulous cleaning agent, but it's even better when tiny nanoscale particles, such as detergent surfactants, are dispersed in it.
    • This same swimming response can be elicited by contact with several other seastars, or by surfactants such as soaps and detergents, or by strong salt solutions.
    • The most commonly used spray additives include oils, surfactants, and certain fertilizers.
    • They act like surfactants and displace ‘foaming’ beer proteins from the surface.
    • The company's dishwashing liquid, for example, contains surfactants made from vegetable oil, as well as ingredients such as aloe vera and wheat protein.
    • They include such materials as thickeners, surfactants, defoamers, biocides, and pigment dispersants.
    • Their activity may be enhanced by using membrane-disrupting surfactants such as quaternary ammonium compounds.
    • Research on surfactants and membrane solubilization showed that anionic surfactants interact more with lipid bilayers.
    • In 1937 the first cationic surfactants were used in bituminous road construction and these were quaternary ammonium salts.
    • Similar approaches were used for the adsorption of surfactants and polymers.
    • This is the result of there being too little of a substance known as a surfactant, which acts as a kind of detergent or wetting agent to lower the surface tension of the fluid in the lungs.

Origin

1950s: from surf(ace)-act(ive) + -ant.

Definition of surfactant in US English:

surfactant

nounsərˈfæktəntsərˈfaktənt
  • A substance which tends to reduce the surface tension of a liquid in which it is dissolved.

    表面活性剂

    Example sentencesExamples
    • Finally, addition of cationic surfactants to lipid membranes leads to hole formation.
    • The third item on the list is a surfactant like liquid dishwashing detergent.
    • Also known as surfactants, these materials help stabilize the system by reducing the interfacial tension between the two phases.
    • The company's dishwashing liquid, for example, contains surfactants made from vegetable oil, as well as ingredients such as aloe vera and wheat protein.
    • Common binders are a combination of waxes and organic materials, which may include thermoplastics or thermosets along with surfactants and other additives.
    • This is the result of there being too little of a substance known as a surfactant, which acts as a kind of detergent or wetting agent to lower the surface tension of the fluid in the lungs.
    • Silicone surfactants, and amine and tin catalysts, are also used.
    • Water is a fabulous cleaning agent, but it's even better when tiny nanoscale particles, such as detergent surfactants, are dispersed in it.
    • Their activity may be enhanced by using membrane-disrupting surfactants such as quaternary ammonium compounds.
    • In 1937 the first cationic surfactants were used in bituminous road construction and these were quaternary ammonium salts.
    • Research on surfactants and membrane solubilization showed that anionic surfactants interact more with lipid bilayers.
    • The primary conditioning ingredients are cationic surfactants, silicones, and polymers.
    • This phosphate group makes phospholipids polar like surfactants.
    • They act like surfactants and displace ‘foaming’ beer proteins from the surface.
    • The nonstick chemicals also serve in stain-resistant coatings and as surfactants in fire-fighting foams, floor polishes, and insecticides.
    • They include such materials as thickeners, surfactants, defoamers, biocides, and pigment dispersants.
    • The most commonly used spray additives include oils, surfactants, and certain fertilizers.
    • Similar approaches were used for the adsorption of surfactants and polymers.
    • This same swimming response can be elicited by contact with several other seastars, or by surfactants such as soaps and detergents, or by strong salt solutions.
    • The use of crop oil, surfactants or fertilizer solutions generally increases burndown activity of these herbicides.

Origin

1950s: from surf(ace)-act(ive) + -ant.

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