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pretreatment    
n. 预处理

预处理


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  • National Pretreatment Program | US EPA
    The national pretreatment program is a component of the NPDES program It is a cooperative effort of federal, state, and local environmental regulatory agencies established to protect water quality
  • NPDES - Pretreatment Program | California State Water Resources Control . . .
    The practice of removing pollutants from industrial wastewaters before they are discharged into municipal sewage treatment systems is known as "pretreatment " In focusing on industrial sources, pretreatment differs from pollution prevention, which focuses on residential and commercial sources
  • PRETREATMENT Definition Meaning - Merriam-Webster
    The meaning of PRETREATMENT is an act or instance of treating someone or something in advance : preliminary or preparatory treatment; also : a substance used for such treatment
  • pretreatment or pre-treatment? - TextRanch
    Learn the correct usage of "pretreatment" and "pre-treatment" in English Discover differences, examples, alternatives and tips for choosing the right phrase
  • PRETREATMENT | English meaning - Cambridge Dictionary
    This instrument is introduced through the nose, requiring pretreatment of the nasal passages with an anaesthetic Recovery from general anaesthesia is generally smoother when these drugs are used as pretreatments
  • Pretreatment - an overview | ScienceDirect Topics
    Pretreatment is defined as a strategy to accelerate moisture elimination in products by inhibiting undesirable chemical reactions and inactivating browning enzymes, typically achieved through methods such as dipping in chemical solutions or applying physical stresses like blanching or high-pressure techniques
  • PRETREATMENT definition and meaning | Collins English Dictionary
    A pretreatment is something which is applied to a feed in order to make a process or stage more effective A typical pretreatment prior to metal stripping usually includes a soak in a hot alkaline cleaner followed by thorough rinsing and cathodic activation in an electrocleaner
  • What is the National Pretreatment Program? - Wastewater Digest
    According to the National Pretreatment Program, pretreatment is achieved by reducing the amount of the pollutants, eliminating them, or altering the nature of the pollutants’ properties prior to discharging
  • PRETREATMENT Definition Meaning | Dictionary. com
    PRETREATMENT definition: a preliminary course of treatment; the application of a process, substance, etc , beforehand See examples of pretreatment used in a sentence
  • Pretreatment Standards and Requirements-Categorical Pretreatment . . .
    Pretreatment requirements are substantive or procedural requirements applied to IUs Effluent limitations guidelines and pretreatment standards, also called effluent guidelines (“ELGs”), are uniform national standards developed by EPA for specific industrial categories





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