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Tensile Yield Behaviour of Glass Bead Filled LDPE Composites
Liang, J . Z .,Tang, C . Y .,Li, R . K . Y .,Wong, T . T . 대한금속재료학회(대한금속학회) 1998 METALS AND MATERIALS International Vol.4 No.3
The effects of the filler size and the filler content on the tensile yield behaviour of glass bead filled low density polyethylene (LDPE) composites have been investigated employing an INSTRON materials tester at room temperature. The results show that the influence of the concentration and diameter of glass beads on the tensile yield stress and strain at yield state of the composites is insignificant. It indicates that the interfacial adhesion between the filler and the LDPE matrix is good.
Mechanical Properties of Polypropylene/CaCO3 Composites
Liang, J . Z .,Tang, C . Y .,Li, R . K . Y .,Wong, T . T . 대한금속재료학회(대한금속학회) 1998 METALS AND MATERIALS International Vol.4 No.4
The effects of calcium carbonate (CaCO₃) content on the hardness, tensile and dynamic mechanical properties and impact strength of the filled polypropylene (PP) composites have been investigated in the present paper. The results show that the moduli and hardness of the composites increase with addition of CaCO₃ content, but the tensile strength and strain at break is opposite to this; there are extreme values of the tensile yield stress and lzod impact strength at 5% and 10% of CaCO₃ weight fraction, respectively. It indicates that the strength and toughness of PP can be improved to some extent when PP i s filled with suitable concentration of inorganic rigid particles.
Zhou, J.B.,Yue, K.Z.,Luo, M.J.,Chang, Z.L.,Liang, H.,Wang, Z.Y.,Tan, J.H. Asian Australasian Association of Animal Productio 2004 Animal Bioscience Vol.17 No.11
In this study the effect of extenders and temperatures on sperm viability and fertilizing capacity of boar sperm during long-term storage was investigated. Acrosomal integrity, membrane integrity, motility and hypo-osmotic resistance were evaluated by fluorescence and light microscopy. An in vitro fertilization test was performed to assess the fertilizing capacity of stored spermatozoa. The five diluents tested were ranked according to their ability to maintain sperm functional parameters and Zorlesco (ZO) extender with BSA or with PVA instead of BSA produced the best results. Zorlesco extender substituted with PVA (ZO+PVA) was found to maintain motility both at 15 and 20$^{\circ}C$. within 5 days of storage, but the quality of semen stored at 15$^{\circ}C$ decreased thereafter as compared to semen stored at 20$^{\circ}C$ Semen stored at 5$^{\circ}C$ demonstrated rapid loss of motility already within 24 h. Both fertilization and cleavage of semen stored at 20$^{\circ}C$ in ZO substituted with PVA instead of BSA did not change significantly until day 8 of storage. It is therefore concluded that PVA can be used to substitute for BSA and 20$^{\circ}C$ was more suitable than 15$^{\circ}C$ for boar semen storage, and in vitro fertilizing capacity of spermatozoa was maintained for at least 8 days in ZO+PVA at 20$^{\circ}C$.
Antiferromagnetic spin reorientation transition in epitaxial NiO/CoO/MgO(001) systems
Zhu, J.,Li, Q.,Li, J. X.,Ding, Z.,Liang, J. H.,Xiao, X.,Luo, Y. M.,Hua, C. Y.,Lin, H.-J.,Pi, T. W.,Hu, Z.,Won, C.,Wu, Y. Z. American Physical Society 2014 Physical review. B, Condensed matter and materials Vol.90 No.5