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1以发酵类茶为例的基于可比性的中国茶叶出口竞争力研究显示文摘通过对中国茶叶出口竞争力已有研究的分析和梳理,总结出我国茶叶出口竞争力的比较研究,应该基于出口茶类、包装和目标市场的可比性视角。在此基础上,以中国发酵类茶为例,利用联合国商品贸易统计数据,横向比较中国与其他主要茶叶出口国不同包装发酵类茶在不同市场上的竞争力大小。结果表明,中国茶叶在出口茶类、包装上的多样化特征,决定了中国茶叶出口竞争力不仅在不同的目标市场上有所差异,即使在同一目标市场上竞争力也会随包装的不同而有所差异,中国茶叶出口整体化处理与分析确实会掩盖不同茶类在细分目标市场上竞争力的显著差异。因此,精准化识别中国出口茶叶在细分市场上的竞争力大小,对于未来推动茶叶针对性出口具有重要意义。管曦 DOAN BA TOAI 何文丽 童耀南 袁婷 谢向英 2020茶叶科学2020,40,2:10
2Evidence for the critical role of sucrose synthase for anoxic tolerance of maize roots using a double mutant 显示文摘RICARD B TOAI T V CHOUREY P 1998Plant Physiol1998,116,4:1
3Effect of Poly-Alkylene-Glycol Quenchant on the Distortion, Hardness, and Microstructure of 65Mn Steel显示文摘Currently,the 65Mn steel is quenched mainly by oil media.Even though the lower cooling rate of oil compared to water reduces the hardness of steel post quenching,the deforming and cracking of parts are often minimized.On the other hand,the oil media also has the disadvantage of being ammable,creating smoke that adversely affects the media.The poly alkylene glycol(PAG)polymer quenchant is commonly used for quenching a variety of steels based on its advantages such as non-ammability and exible cooling rate subjected to varying concentration and stirring speed.This article examines the effect of PAG polymer quenching solution(with concentrations of 10%and 20%)on deformation,hardness,and microstructure of C-ring samples made of 65Mn steel.Furthermore,the performance of PAG polymer quenchant is also compared with those of two common quenching solutions:Water and oil.When cooling in water,the C-ring samples had the largest deformation and 2 times higher than the results obtained when a 10%PAG solution was used.In particular,similar levels of deformation on the C-ring samples were observed in both cases of 20%PAG solution and oil as the primary quenching media.Furthermore,the hardness level measured between the sampled parts quenched in the 20%PAG solution appeared to be more uniform than that obtained from the oil-quenched sample.The study of the microscopic structure of steel by optical microscopy combined with X-ray diffraction showed that the water hardened sample exhibited cracks and comprised of two phases,martensite and retained austenite.According to the results of Electron Back Scattering Diffraction(EBSD)analysis and backscattering electronic image(BSE),the content of austenite residue in the sample when the sample was cooled in PAG 10 and 20%solution was 3.21%and 4.73%,respectively and smaller than the measurements obtained from oil quenching solution.Thus,the 65Mn steel is cooled in 20%PAG solution for high hardness and more evenly distributed than when it is quenched in oil while still ensuring a small level of deformation.Therefore,the PAG 20%solution can completely replace oil as the main media used to quench the 65Mn steel.Thi Xuan Tran Xuan Phuong Nguyen Duong Nam Nguyen Dinh Toai Vu Minh Quang Chau Osamah Ibrahim Khalaf Anh Tuan Hoang 2021Computers, Materials & Continua2021,,6:1
4Cancer Statistics 显示文摘Park sl Toay T Blolden P A 1997CA cancer J din1997,47,2:1
5Abscisic acid induces annerobiosis tolerance in corn显示文摘HWANG S Y VAN TOAI T T 1991Plant Physiol1991,97,:1
6Quantitative trait loci for partial resistace to Phytophthora sojae in soybean显示文摘Burnham K D Dorrance A E Van Toai T T 200343(5) :1610-16172003,43,5:1
7Post-anoxic injury in soybean (Gtycine max) seedlings显示文摘van TOAI T T BOLLES C S 1991Plant Physiology1991,97,2:1
8Abscisic acid induces anaerobiosis tolerance in corn显示文摘Hwang S Y Van Toai T 1991Plant Physiol1991,97,:1
9Quantitative trait loci for partial resistance to Phytophthora sojae in soybean显示文摘Burnham K D Dorrance A E Van Toai T T 2003Crop Sci2003,43,5:1
10Responses of soybean to oxygen deficiency and elevated root-zone carbon dioxide concentration显示文摘Boru G Van Toai T Alves J 2003Annals of Botany2003,91,:1
11Responses of soybean to oxygen deficiency and elevated root-zone carbon dioxide concentration显示文摘Boru G Van Toai T Alyes J 2003Annals of Botany2003,91,:1
12Identification of a QTL associated with tolerance of soybean to soil water logging 显示文摘Toai T T Martin S K S Chase K 2001Crop Science2001,41,:1
13Regulation of flooding tolerance of SAG12: ipt Arabidopsis plants by cytokinin显示文摘Huynh L N Toai T V Streeter J 2005Journal of Experimental Botany2005,56,415:1
14Evidence for critical role of su-crose syntheses for anoxic tolerance of maize roots using a double mutant显示文摘Ricard B Toai T V Chourey P 0,,:1
15Identification of a QTL associated with tolerance of soybean to soil water logging 显示文摘Toai T T Martin S K S Chase K 2001Crop Sci2001,41,:1
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