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Effective reinforcement in carbon
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2024-09-14 19:10 679阅读次数
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Effective reinforcement in carbon
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Effective reinforcement in carbon
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2024-09-14 19:10
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Effective Quality Control of Steel and Iron Products with Combustion Analysis
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2015-06-24 00:00
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The influence of two different types of carbon
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Characterization of fluorinated PAN-based carbon fib
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a comparison of raman analysis of carbon nanotubes
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2024-09-28 14:24
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Grafted and crosslinked carbon black as an electrode
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2024-09-28 17:30
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Characterization of fluorinated PAN-based carbon fib
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Basic and acidic surface oxides on carbon fiber and
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2014-05-29 00:00
报价单
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A study of single-wall carbon nanotubes using Renish
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2024-09-28 01:25
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Surface energy of metal containing amorphous carbon
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2024-09-28 21:36
产品样册
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Carbon Nanotubes Based Nanoelectrode Arrays Fabrication
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2024-09-28 00:38
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Identifying and counting point defects in carbon nan
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2024-09-23 03:50
期刊论文
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Understanding the Mechanism of Carbon Nanotube Degradation in Macrophage Cells1
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2024-09-20 21:38
产品样册
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Aggregation Kinetics of Multiwalled Carbon Nanotubes in Aquatic Systems: Measurements and Environmen
- 作者:NAVIDB.SALEH,LISAD.PFEFFERLE,ANDMENACHEMELIMELECH (DepartmentofChemicalEngineering,YaleUniversity,NewHaven,Connecticut06520-8286) 摘要:Theinitialaggregationkineticsofmultiwalledcarbonnanotubes(MWNTs)wereexaminedthroughtime-resolveddynamiclightscattering.AggregationofMWNTswasevaluatedbyvaryingsolutionpHandtheconcentrationofmonovalent(NaCl)anddivalent(CaCl2andMgCl2)salts.SuwanneeRiverhumicacid(SRHA)wasusedtostudytheeffectofbackgroundnaturalorganicmatteronMWNTaggregationkinetics.IncreasingsaltconcentrationandadditionofdivalentcalciumandmagnesiumionsinducedMWNTaggregationbysuppressingelectrostaticrepulsion,similartoobservationswithaquaticcolloidalparticles.Thecriticalcoagulationconcentration(CCC)valuesforMWNTswereestimatedas25mMNaCl,2.6mMCaCl2,and1.5mMMgCl2.AnincreaseinsolutionpHfromacidic(pH3)tobasic(pH11)conditionsresultedinasubstantial(over2ordersofmagnitude)decreaseinMWNTaggregationkinetics,suggestingthepresenceofionizablefunctionalgroupsontheMWNTcarbonscaffold.ThepresenceofhumicacidinsolutionmarkedlyenhancedthecolloidalstabilityofMWNTs,reducingtheaggregationratebynearly2ordersofmagnitude.TheenhancedMWNTstabilityinthepresenceofhumicacidisattributabletostericrepulsionimpartedbyadsorbedhumicacidmacromolecules.OurresultssuggestthatMWNTsarerelativelystableatsolutionpHandelectrolyteconditionstypicalofaquaticenvironments.[详细]
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2018-08-31 10:11
产品样册
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Basic and acidic surface oxides on carbon fiber and their influence on the expected adhesion to polyamide
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2014-05-29 00:00
报价单
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Effect of acidbase properties of unsized and sized carbon fibers on fiber-epoxy matrix adhesion
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2024-09-20 03:35
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Standard Test Methods for Carbon Blackx2014;Dispersion in Rubber 橡胶中碳黑分散度的标准试验方法
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2016-09-08 00:00
课件
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Standard Test Methods for Carbon Blackx2014;Dispersion in Rubber 橡胶中碳黑分散度的标准试验方法
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2016-09-08 00:00
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