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In vitro Degradation of Butanediamine-Grafted Poly(DL-Lactic acids)罗彦凤摘 要:The degradation of butanediamine-grafted poly(DL-lactic acid) polymers (BDPLAs... during degradation duration of 12 weeks. The results reveal that the acidity of PDLLA degradation products was weakened or neutralized by grafting butanediamine onto PDLLA. A uniform degradation......
J. Cent. South Univ. (2018) 25: 653-661 DOI: https://doi.org/10.1007/s11771-018-3768-x Degradation of joint surface morphology, shear behavior and closure characteristics during cyclic loading FAN... behavior of rock joints under CNL conditions. Degradation of rock joint surface during cyclic shear tests was also analyzed. The comparison results of the height parameters and the hybrid parameters......
Degradation of Extraction from Seaweed and Its Complex with Rare Earths for Organophosphorous Pesticides Wang Dongfeng1,Chen Zhende2,Sun Jipeng1,Xue Changhu1,Sun Liping1,Du Dehong1 (1.College... with RE on the degradation of organophosphorous pesticides and the yield of vegetables were investigated. The results showed that the extract and its complex with RE could degrade organophosphorous......
九十年代末我国铝市场分析吴秀铭中国有色金属工业总公司!行业办公室副主任摘 要:９０ 年代中期,国内外铝市场价格处于高位.１９９５ 年ＬＭＥ 的原铝现货平均价为１８０５ 美元／ｔ,最高价曾达２１４６－５ 美元／ｔ,同期国内现货平均价是１－７４ 万元／ｔ ,最高价达２－３０ 万元／ｔ .１９９６ ~１９９８ 年一直处在低价位徘徊,ＬＭＥ 的现货平均价在１３５７ ~１５０４ 美元／ｔ,国内铝价在１－３６ ~１－５６ 万元／ｔ .预计本世纪的最后两年铝价将回升.关键词:我国铝市场;分析;......
Moisture-induced degradation of the narrow-band red-emitting SrLiAl3N4:Eu2+ phosphorWenxia Li,Zhen Song,Dianpeng Cui,Zhiguo Xia,Quanlin LiuThe Beijing Municipal Key Laboratory of New Energy Materials and Technologies,School of Materials Science and Engineering,University of Science and Technology Beijing摘 要:The degradation of materials plays......
Moisture-induced degradation of the narrow-band red-emitting SrLiAl3N4:Eu2+ phosphorWenxia Li,Zhen Song,Dianpeng Cui,Zhiguo Xia,Quanlin LiuThe Beijing Municipal Key Laboratory of New Energy Materials and Technologies,School of Materials Science and Engineering,University of Science and Technology Beijing摘 要:The degradation of materials plays......
Trans. Nonferrous Met. Soc. China 22(2012) 2343-2350 Effect of heat treatment on microstructure, mechanical properties and in vitro degradation behavior of as-extruded Mg-2.7Nd-0.2Zn-0.4Zr alloy...). Mechanical properties at room temperature were tested. In vitro degradation behavior of the alloy immersed in simulated body fluid was measured by hydrogen evolution and mass loss tests. The degradation......
Trans. Nonferrous Met. Soc. China 25(2015) 457-464 Thermal properties of glass-ceramic bonded thermal barrier coating system S. GHOSH Bio-ceramics and Coating Division, CSIR–Central Glass and Ceramic Research Institute, Kolkata 700032, India Received 26 March 2014; accepted 18 August 2014 Abstract: The thermal properties of a thermal barrier coating (TBC) system comprised of BaO–MgO–SiO2 based......
; Degradation of bond between steel bar and freeze.... Key words: concrete; bond strength; degradation; electrochemical chloride extraction; freeze-thaw cycles ......
Degradation Behaviour Analysis of SMA Aggregate and SkeletonMA Tao,HUANG Xiaoming,ZHAO YongliSchool of Transportation,Southeast University摘 要:Based on laboratory tests and field materials evaluation, the inner frictional resistance of SMA skeleton was investigated and then the degradation behaviour of SMA skeleton was characterized for recycling purpose......
