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单词 microbeads
释义
microbeads
noun[plural]
uk
/ˈmaɪ.krəʊ.biːdz/us
/ˈmaɪ.kroʊ.biːdz/
verysmallpiecesofplasticthat areaddedtoproductsforcleaningtheskin:
（加入面部清洁用品中的）微胶珠，塑胶微粒
Microbeads, used in hundreds ofpersonalcareproductslikeskinexfoliantsandsoap, canslipthroughwatertreatmentsystemsand thenbecomepartof theplasticpollutionof the oceans.在数百种个人护理产品中使用的微珠，如皮肤去角质剂和肥皂等，可以随着污水处理系统流出，成为海洋塑料污染的一部分。
SMART Vocabulary: related words and phrases
Plastics & rubber
  • Bakelite
  • bioplastic
  • Bubble Wrap
  • Cellophane
  • celluloid
  • Formica
  • injection moulding
  • latex
  • Lucite
  • melamine
  • Plexiglas
  • polyethylene
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  • polystyrene
  • polythene
  • Styrofoam
  • Teflon
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  • thermosetting
  • uPVC
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Cleaning agents
(Definition ofmicrobeadsfrom theCambridge Advanced Learner's Dictionary & Thesaurus© Cambridge University Press)

Examplesofmicrobeads

microbeads
Hyalin-derivatizedmicrobeadscould be used in the purification.
From theCambridge English Corpus
Each signature sequence is cloned onto one of a millionmicrobeads.
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Microbeadsaccounted for 90 percent of these plastics.
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Microbeadsare designed to be small enough to wash down the drain, but they are not caught by sewage treatment, instead flowing into waterways.
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Themicrobeadsare then arrayed in a flow cell for sequencing and quantification.
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Plasticmicrobeadsused in cosmetic exfoliating products are also found in water.
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Fluorescentmicrobeadslodged throughout the tissue, providing discrete coordinates that aided in computerized calculations of strain and deformation.
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The coating of themicrobeadscontains also ligands to be able to attach the molecules of interest.
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The magnetic interaction is highly specific to the used superparamagneticmicrobeads.
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While nanoparticles are smaller than 1 micrometer in diameter (typically 5500 nanometers), the largermicrobeadsare 0.5500 micrometer in diameter.
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To facilitate direct visualization of vascular deformation, tissue was labeled with fluorescent dextran andmicrobeadsbefore viewing.
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Monodisperse beads, also calledmicrobeads, exhibit exact uniformity, and therefore all beads exhibit identical physical characteristics, including the binding capacity and the level of attraction to magnets.
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Multicolor optical coding for biological assays has been achieved by embedding different-sized quantum dots into polymericmicrobeads.
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The polymer that makes up the material is designed as a living polymer, with reactive terminal end-groups that bind to the freshly provided monomer upon damage to themicrobeads.
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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.
#https://dictionary.cambridge.org//dictionary/english/microbeads##
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更新时间：2026/5/27 17:15:04