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单词 polymer
释义
polymer
noun[C]
chemistryspecialized
uk
/ˈpɒl.ɪ.mər/us
/ˈpɑː.lɪ.mɚ/
achemicalsubstanceconsisting oflargemoleculesmade from manysmallerandsimplermolecules:
聚合物，聚合体
Many polymers, such asnylon, areartificial.许多聚合物是人造的，比如说尼龙。
Proteins andDNAarenaturalpolymers.蛋白质和脱氧核糖核酸都是天然聚合体。
SMART Vocabulary: related words and phrases
Chemistry: types of chemical
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  • propellant
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(Definition ofpolymerfrom theCambridge Advanced Learner's Dictionary & Thesaurus© Cambridge University Press)

polymer| American Dictionary

polymer
noun[C]
us
/ˈpɑl·ə·mər/
chemistry
anaturalorartificialsubstancemade from manysmallermolecules(=groupsofcombinedatoms)
(Definition ofpolymerfrom theCambridge Academic Content Dictionary© Cambridge University Press)

Examplesofpolymer

polymer
These solutions provide qualitative insight for the process of secondary oil recovery if thepolymerconcentration of liquid injected into the reservoir varies with time.
From theCambridge English Corpus
As a result, thepolymer-induced stresses are never large.
From theCambridge English Corpus
Polymersolutions were injected through flush-mounted, angled slots located in both of the 57.5 cm walls of the channel.
From theCambridge English Corpus
These mannose polymers are a form of storage carbohydrate that is mobilized following germination.
From theCambridge English Corpus
Figure 13 shows the mean velocity profiles for x-locations between 25 and 200 mm downstream of the injectors duringpolymerinjection.
From theCambridge English Corpus
In particular, for a flexiblepolymer, equations that only consider entropic contributions to mechanical properties are often useful approximations.
From theCambridge English Corpus
A ramp-filling procedure applied to fillingpolymerand glass shell with highly pressurized hydrogens.
From theCambridge English Corpus
If liquid paint with volatile solvent is deposited on a substrate, we can assume that initially thepolymeris dissolved and unstressed.
From theCambridge English Corpus
The targeting ligand is covalently coupled to the drug, making the efficiency of drug loading and uptake comparatively lower than inpolymer- drug conjugates.
From theCambridge English Corpus
This model accounts for the empirical observation that at high shears polymers align and slide more easily than at low shears.
From theCambridge English Corpus
There appears to be no correlation between the fitted relaxation time and thepolymeror salt concentrations, as observed in shear rheology measurements.
From theCambridge English Corpus
The figure on the right shows iso-density contours of the amphiphilic polymers.
From theCambridge English Corpus
His study suggested that hydration-induced configurational changes in seedpolymermatrices might not be fully recovered upon re-drying.
From theCambridge English Corpus
Biological polymers such as a polypeptide chain are heteropolymers where each segment is different.
From theCambridge English Corpus
In larger proteins, the inside and outside behave aspolymermelts with constraints on the interface, and there is a significant amount of entropy left.
From theCambridge English Corpus
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.

Collocationswithpolymer

polymer

These are words often used in combination withpolymer.

Click on a collocation to see more examples of it.

acrylic polymer
Acrylic paint's binder isacrylicpolymeremulsion; as this binder dries the paint remains flexible.
From
Wikipedia
Creatives commons iconThis example is from Wikipedia and may be reused under a CC BY-SA license.
biodegradable polymer
Coating paper with abiodegradablepolymeron both sides or on the underside also considerably decreased the rate of degradation14,15.
From theCambridge English Corpus
liquid polymer
For example, aliquidpolymer(where the chains are freely flowing) can be turned into a solid or gel by cross-linking the chains together.
From
Wikipedia
Creatives commons iconThis example is from Wikipedia and may be reused under a CC BY-SA license.
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/polymer##
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更新时间：2024/12/27 8:28:58