• 不 限
  • 期刊论文
  • 硕博论文
  • 会议论文
  • 报 纸
  • 英文论文
  2. 您的位置
  3. 首页
  4. 期刊论文
  5. Sulfonated polyetherketone (SPEK-C) films investigated by positron annihilation lifetime spectroscop

Sulfonated polyetherketone (SPEK-C) films investigated by positron annihilation lifetime spectroscop

来源 :核技术（英文版） | 被引量 : 0次 | 上传用户：liuzhuoran
【摘 要】
：
The characterization of sulfonated polyetherketone (SPEK-C) films was investigated by using positron annihilation lifetime spectroscopy (PALS) and atomic force
【作 者】
：
Htwe Htwe Yin YIN Ze-Jie TANG 
【机 构】
：
Department of Modern Physics,Department of Physics
【出 处】
：
核技术（英文版）
【发表日期】
：
2004年期
【关键词】
：
Atomic force microscopy (AFM) Sulfonated polyetherketone (SPEK-C) Sulfonation de 
【基金项目】
：
中国科学院资助项目
下载到本地 , 更方便阅读
下载此文 赞助VIP
声明 : 本文档内容版权归属内容提供方 , 如果您对本文有版权争议 , 可与客服联系进行内容授权或下架
论文部分内容阅读
The characterization of sulfonated polyetherketone (SPEK-C) films was investigated by using positron annihilation lifetime spectroscopy (PALS) and atomic force microscopy (AFM). It was found that free volume radius and intensity depend on the variation of sulfonation degree and solvent evaporation time of the films. Pore size and distribution determined from PALS and AFM measurements showed reasonable agreement.
其他文献
Constructing a quasi-Legendre basis based on the C-B zier basis
In the spaceГn = span{sint, cost, 1, t, t2, …, tn- 2[, a C-Bezier basis is constructed by an integral approach. However, the C-Bezier basis is not orthogonal.
期刊
C-Bezier basisorthogonal basisbasis transformationsdegree reduction
Large-Scale Self-Assembled Ag Nanotubes
A high yield of silver nanotubes with large aspect ratio were conveniently synthesized via an organic-assist solvothermal preparation technique using polyvinyl
期刊
nanotubessilverself-assemblesolvothermal processing
3D MHD Jet in a Non-Uniform Magnetic Field
The purpose of this paper is to present a two-phase 3D magnetohydrodynamics (MHD) flow model that combines the volume of fluid (VOF) method with the technique d
期刊
magnetohydrodynamics (MHD)induced-magnetic-equationfree jetvolume of fluid (V
A symmetry-related sequence-structure relation of proteins
Proteins have regular tertiary structures but irregular amino acid sequences. This made it very difficult to decode the structural information in the protein se
期刊
proteinsymmetrysequence-structure relationrecurrence quantification analysis
High performance highly strained InGaAs quantum-well ridge waveguide lasers
Highly strained InGaAs ridge waveguide lasers were fabricated with pulsed anodic oxidation. The laser structure was grown by molecular beam epitaxy (MBE) system
期刊
highly strainedInGaAs quantum wellridge waveguide lasers
Wiped-Film Molecular Distillation Process
Based on the Bhatnagar-Gross-Krook equation, a new scheme of wiped-film molecular distillation for two components in the presenceof inert gas is developed. The
期刊
molecular distillationwiped-film stillBhatnagar-Gross-Krook equationevaporati
Isobaric vapor-liquid equilibrium for methyldichlorosilane methyltrichlorosilane-dimethyldichlorosil
This paper describes measurement of Vapor-liquid equilibrium (VLE) data of methyldichlorosilane-methyltrichlorosilane-dimethyldichlorosilane system and that of
期刊
EbulliometerVapor-liquid equilibriumMethyldichlorosilaneMethyltrichlorosilane
Firmness evaluation of melon using its vibration characteristic and finite element analysis
The "Huang gus" melons were measured for their physical properties including firmness and static elastic modulus.The vibrational characteristics of fruits and v
期刊
MelonSensingFinite elementExperimental modal analysisFirmness
Branching structure of uniform recursive trees
The branching structure of uniform recursive trees is investigated in this paper.Using the method of sums for a sequence of independent random variables, the di
期刊
uniform recursive treebranchdepthdistribution lawlimit theorem
Wavelet transform element of SAW type
This paper proposes to use substrate materials of small electromechanical coupling coefficient k2 (such as X-112YLiTaO3) to manufacture wavelet transform elemen
期刊
surface acoustic wave (SAW)wavelet transform elementinterdigital transducer (I