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单词 brominate
释义

Definition of brominate in US English:

brominate

verbˈbrōməˌnātˈbroʊməˌneɪtˈbroʊməˌneɪt
[with object]
  • 1Treat with bromine.

    Example sentencesExamples
    • The use of brominated or other heavy atom derivatives is a widespread theme in this Symposium in Print.
    • MA is brominated, generating bromomalonic acid as a result of bromination reaction.
    • Samsung, Sony and Sony Ericsson have eliminated brominated flame retardants and PVC plastic from some of their products.
    • When manufacturers first began using brominated flame retardants in the 1970s, it was widely believed that the chemicals could not escape the plastic.
    • Several brominated organic compounds have wide utilization as pesticides or disinfectants.
    • Worms and other marine invertebrates living in soft sediments commonly produce brominated natural products that have been hypothesized to function as defenses against consumers, but this hypothesis has not been tested directly.
    • Heavy metals, lead, mercury, cadmium and brominated flame retardants are all found in computer equipment and remain stable and relatively harmless while the machinery is in use.
    • And there has been progress in phasing out brominated flame retardants, which are mixed in with the plastic housing.
    • Additional health threats, according to Fishbein, are posed by brominated flame retardants used in plastic components.
    • This August, at a meeting of Environmental Protection Agency scientists who are studying emerging pollutants, one family of chemicals unexpectedly stole the show: brominated flame retardants.
    • Ospar lists both PCBs and brominated flame retardants as chemicals it wants to see banned or more tightly regulated.
    • The U.S. EPA has put on hold a research project designed to define children's exposure pathways to relatively ubiquitous household chemicals, such as phthalates, brominated flame retardants, and perfluorinated compounds.
    • The general structures of the indolyl-labeled and brominated phospholipids used in this study are shown in Fig.1.
    • Circuit boards typically contain cadmium, mercury and chromium while the whole package is housed in brominated, flame-retardant plastic.
    • Some phones contained brominated flame retardants, identified as ‘gender-bender’ pollutants that could change the sex of fish, he added.
    • Computers contain a variety of metals and chemicals - such as lead, mercury and brominated flame retardants - which are particularly nasty if dumped in landfill sites.
    • Also known as brominated flame retardants, they are used in many everyday products, including electronics, furniture and textiles.
    • BAN says another solution is for manufacturers to stop using toxic chemicals in their products, such as brominated flame retardants, beryllium alloys, lead-based solders and mercury lamps.
    • Computers contain chemicals such as brominated flame retardants and heavy metals like lead and cadmium.
    • However, there is also a need to assess previously unsuspected hazards associated with brominated flame retardants, fluorinated surfactants, and alkylphenol ethoxylate surfactants.
    1. 1.1usually as adjective brominated Introduce one or more bromine atoms into a compound or molecule, usually in place of hydrogen.
      brominated flame retardants

Derivatives

  • bromination

  • nounˌbrōməˈnāSH(ə)nˌbroʊməˈneɪʃ(ə)nˌbroʊməˈneɪʃ(ə)n
    • Therefore, bromination of rhodamine derivatives was performed in order to increase the efficiency of the intersystem crossing to the triplet state and consequently to augment the yield of singlet oxygen.
      Example sentencesExamples
      • ‘Well,’ said John, making his case, ‘it's inert to bromination!’
      • Simple organohalogens may be produced synthetically from the radical chlorination / bromination of saturated alkanes.
      • Initially, researchers used GC / MS with bromination of the acrylamide, which is a harsher method.
      • The oxidative coupling products of naphthols are used as asymmetric catalysts, while the products of nuclear aromatic bromination are used as intermediates for pharmaceuticals and photographic chemicals.

Definition of brominate in US English:

brominate

verbˈbroʊməˌneɪtˈbrōməˌnāt
[with object]
  • 1Treat with bromine.

    Example sentencesExamples
    • Ospar lists both PCBs and brominated flame retardants as chemicals it wants to see banned or more tightly regulated.
    • Heavy metals, lead, mercury, cadmium and brominated flame retardants are all found in computer equipment and remain stable and relatively harmless while the machinery is in use.
    • Worms and other marine invertebrates living in soft sediments commonly produce brominated natural products that have been hypothesized to function as defenses against consumers, but this hypothesis has not been tested directly.
    • The U.S. EPA has put on hold a research project designed to define children's exposure pathways to relatively ubiquitous household chemicals, such as phthalates, brominated flame retardants, and perfluorinated compounds.
    • And there has been progress in phasing out brominated flame retardants, which are mixed in with the plastic housing.
    • Also known as brominated flame retardants, they are used in many everyday products, including electronics, furniture and textiles.
    • BAN says another solution is for manufacturers to stop using toxic chemicals in their products, such as brominated flame retardants, beryllium alloys, lead-based solders and mercury lamps.
    • Computers contain chemicals such as brominated flame retardants and heavy metals like lead and cadmium.
    • Samsung, Sony and Sony Ericsson have eliminated brominated flame retardants and PVC plastic from some of their products.
    • Several brominated organic compounds have wide utilization as pesticides or disinfectants.
    • The general structures of the indolyl-labeled and brominated phospholipids used in this study are shown in Fig.1.
    • Circuit boards typically contain cadmium, mercury and chromium while the whole package is housed in brominated, flame-retardant plastic.
    • This August, at a meeting of Environmental Protection Agency scientists who are studying emerging pollutants, one family of chemicals unexpectedly stole the show: brominated flame retardants.
    • When manufacturers first began using brominated flame retardants in the 1970s, it was widely believed that the chemicals could not escape the plastic.
    • MA is brominated, generating bromomalonic acid as a result of bromination reaction.
    • Some phones contained brominated flame retardants, identified as ‘gender-bender’ pollutants that could change the sex of fish, he added.
    • However, there is also a need to assess previously unsuspected hazards associated with brominated flame retardants, fluorinated surfactants, and alkylphenol ethoxylate surfactants.
    • Additional health threats, according to Fishbein, are posed by brominated flame retardants used in plastic components.
    • Computers contain a variety of metals and chemicals - such as lead, mercury and brominated flame retardants - which are particularly nasty if dumped in landfill sites.
    • The use of brominated or other heavy atom derivatives is a widespread theme in this Symposium in Print.
    1. 1.1usually as adjective brominated Introduce one or more bromine atoms into a compound or molecule, usually in place of hydrogen.
      brominated flame retardants
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更新时间:2024/12/27 19:57:18