Results 121 to 130 of about 1,771,729 (203)

Surface Microstructure Study on Corona Discharge-Treated Polyethylene Using Positron Annihilation Spectroscopy

Molecules
The microstructure and chemical properties of the corona discharge process could provide an effective method for predicting the performance of high-voltage cable insulation materials.
Jingjing Li, Zhiwei Shen, Liuyang Tie, Tianyuan Long, Qiyue Zhong, Xi Chen, Chongshan Yin, Liguo Liufu, Xianhao Huang, Bangyun Xiong, Xibo Li, Chongxiong Duan, Chunqing He   +12 more
doaj   +1 more source

Positron annihilation lifetime spectroscopy study on epoxy moisture absorption

, 2013
Positron annihilation lifetime spectroscopy was used to study the effect of water uptake on the free volume of a commercial epoxy exposed to atmospheres with relative humidity ranging from 30.5% to 95.8%. The absorption
Gordo, P. M., Luís, J. M. M., Naia, M. Duarte, Morais, J. J. M., Marques, M. F. Ferreira   +4 more
core   +1 more source

Studies on healthy and neoplastic tissues using positron annihilation lifetime spectroscopy and focused histopathological imaging. [PDF]

Sci Rep, 2020
Zgardzińska B, Chołubek G, Jarosz B, Wysogląd K, Gorgol M, Goździuk M, Chołubek M, Jasińska B.   +7 more
europepmc   +1 more source

Morphology of Thin Film Composite Membranes Explored by Small-Angle Neutron Scattering and Positron-Annihilation Lifetime Spectroscopy. [PDF]

Membranes (Basel), 2020
Pipich V, Dickmann M, Frielinghaus H, Kasher R, Hugenschmidt C, Petry W, Oren Y, Schwahn D.   +7 more
europepmc   +1 more source

Positron-annihilation study of compensation defects in InP

, 2002
Positron-annihilation lifetime and positron-annihilation Doppler-broadening (PADB) spectroscopies have been employed to investigate the formation of vacancy-type compensation defects in n-type undoped liquid encapsulated Czochrolski grown InP, which ...
Zhao YW, Deng AH, Shan YY, Ling CD, Ling CC, Sun NF, Sun TN, Fung S, Shan YY,Univ Hong Kong,Dept Phys,Hong Kong,Hong Kong,Peoples R China.   +8 more
core  

Pre-martensitic phenomena of thermoelastic martensitic transformation of NiTiCu alloys studied with positron annihilation lifetime spectroscopy

Science and Technology of Advanced Materials, 2004
Many anomalous phenomena have been observed in NiTi alloys above martensite start temperature, such as softening of the shear constants, increase of internal friction and diffuse scattering of TEM.
J. Katsuyama, H. Araki, M. Mizuno and Y. Shirai
doaj  

Defect evolution and electrical response in HAp-TiO₂-derived calcium phosphate-titanate composites investigated by positron annihilation lifetime spectroscopy. [PDF]

RSC Adv
Yahşi U, Ökmen ŞŞ, Dumludağ F, Tav C, Erkmen ZE.   +4 more
europepmc   +1 more source

Nanoscopic Insight into Water Adsorption and Desorption in Commercial Activated Alumina by Positron Annihilation Lifetime Spectroscopy. [PDF]

Materials (Basel)
Kowalski W, Kochel M, Kierys A, Gorgol M, Drewniak M, Zaleski R.   +5 more
europepmc   +1 more source

Miscibility of styrene-maleic anhydride and styrene-acrylonitrile blends studied by positron annihilation lifetime spectroscopy

, 1998
Blends of melt-mixed styrene - maleic anhydride and styrene - acrylonitrile copolymers were examined with respect to miscibility and free volume parameters. Differential scanning calorimetry, dynamic mechanical analysis, scanning electron microscopy, and
Wastlund, C., Berndtsson, H., Maurer, F.H.J.   +2 more
core  

Structure-dependent chlorine dioxide release from poly(acrylic acid) and hydroxyethyl cellulose hydrogels: Insights from real-time positron annihilation lifetime spectroscopy and quantum chemical calculations. [PDF]

Food Chem X
Poursafar P, Kazsoki A, Palcsó B, Süvegh K, Zelkó R.   +4 more
europepmc   +1 more source