Yongtan Li2014-01-01中国机械工程学报:英文版
Bearing ring is the crucial component of bearing. With regard to such problems as material waste, low efficiency and high energy consumption in current process of producing large bearing ring, a new process named compound forming is researched by taking the typical 42CrMo slew bearing as object. Through theoretical an…
Tribology and Lubrication EngineeringMetallurgy and Material FormingMetal Alloys Wear and Properties
Fengyu、Gao、Xiaolong 等 14 位作者2014-01-01中国科学通报:英文版
2 O 和 K 2 做的 O 能毒害 V 2 O 5 -WO 3 /TiO 2 催化剂并且 Na 的毒害的效果 2 O 比 K 的强壮 2 O 。然而, Na 2 装载 O 的样品更容易比 K 再生 2 装载 O 的样品。催化剂的表面能是由洗与的 sulfated 冲淡硫磺的酸因为强壮的酸地点遵守催化剂,出现。那么 4 2 能也支持催化剂活动。是由 NH 显示了 3 -TPD 调查结果, Na 的免职 2 O 和 K 2 O 能也减少使放出的氨的数量并且使动摇酸地点,特别强壮的化学吸着地点。XPS 结果表明催化剂被减少在使用化学方法吸附的氧的集中撤销[O /(O?+?O
Catalytic Processes in Materials Science
Jing、Zhang、Fu-ming 等 6 位作者2014-01-01Acta Scientiarum Naturalium Universitatis Sunyatseni
2 -Al 2 O 在切割电线钢和氧化物的效果的 3 系统 low-melting-point ( LMP )上的部件在相应阶段图的地区。而且,在在艾尔的第四级的系统的氧化物部件的活动 2 O 25wt% 的 3 内容被计算。内容溶解[艾尔] 并且[O ] 在在有在 MnO-CaO-SiO 的 LMP 包括的平衡的液体钢 2 -Al 2 O 3 系统被优化。结果证明 MnO-CaO-SiO 2 -Al 2 O 3 系统拥有最大的 LMP 地区(低于 1400 ????????????????????
Microstructure and Mechanical Properties of SteelsMetallurgical Processes and ThermodynamicsMetal Alloys Wear and Properties
Mohsen Mohsen、Hajibeygi、Meisam 等 4 位作者2014-01-01Acta Scientiarum Naturalium Universitatis Sunyatseni
A series organosoluble and heterocyclic poly(ether-amide)s(PEA)s were synthesized from a new diamine containing pyridine moiety and four aliphatic-aromatic dicarboxylic acids by direct polycondensation reactions. Dicarboxilic acids 4a-4d containing ether groups were synthesized in two step reactions. At first, dialdeh…
Multicomponent Synthesis of HeterocyclesInorganic and Organometallic ChemistrySynthesis and properties of polymers
Guoqi、Liang Liang、Zhong-Bao 等 10 位作者2014-01-01中国化学快报:英文版
新 chiral tetrathiafulvalene (TTF ) 衍生物和一个人加重的相关代替 silyl 的 1,3-dithiole-2-(thi ) 被 1H NMR, 13C NMR, MS 和红外系列综合并且描绘。代替 silyl 的 1,3-dithiole-2-one 的单个水晶结构在混合物揭示了五成员的戒指一半的变化形式的高度。新 TTF 衍生物的电气化学的性质被周期的 voltammetry 学习,结果显示 chiral TTF 衍生物的捐赠电子的能力类似于 BEDT-TTF 的。为新 TTF 衍生物的 E 价值是比为 TTF 和 BEDT-TTF 的那些小的,处于 dicationic 氧化还原作用状态的减…
Electrochemical Analysis and ApplicationsOrganic and Molecular Conductors ResearchSolid-state spectroscopy and crystallography
Pierre、Coddet、Hanlin 等 5 位作者2014-01-01Acta Scientiarum Naturalium Universitatis Sunyatseni
Manufacturing of solid oxide fuel cell(SOFC)components remains nowadays a key point for the industrial development of this technology.Especially,the deposition of the dense electrolyte layer which is sandwiched between the porous anode and the porous cathode is of paramount importance and thus focuses a lot of attenti…
Advancements in Solid Oxide Fuel CellsFuel Cells and Related MaterialsElectrophoretic Deposition in Materials Science
Ning、Sui、Lü 等 19 位作者2014-01-01Acta Scientiarum Naturalium Universitatis Sunyatseni
在 phenothiazine (P) 和 fluorene (F) 组或者安排的地方,三线性结合的 oligomers (F-P, F-P-F,和 P-F-P-F-P ) 的光性质被调查。与结合的系统,他们的吸收和排放乐队的改进,逐渐地红的移动,和他们的二光子的性质也被改进。同时,他们的荧光动态踪迹与连续的率分发模型一起被分析,展出那他们的腐烂率逐渐地加速并且率分发宽度变得更狭窄。量化学药品计算提供他们的分子的结构和转变机制,证明结合的系统的改进应该为二光子的性质的改进负责。
Photochromic and Fluorescence ChemistrySynthesis and properties of polymersPhenothiazines and Benzothiazines Synthesis and Activities
Yü、Kai Kai2014-01-01OpenAlex
Previous experimental observations have demonstrated that the polymer shape fi xity and recovery are strongly dependent on the programming and recovery conditions. In this study, we provide a simple but unifi ed theory to unravel this dependence. Analytical solution to a one-dimensional multibranch constitutive model…
Conducting polymers and applicationsPolymer composites and self-healingShape Memory Alloy Transformations
Sun Naiku2014-01-01Cailiao yanjiu xuebao
Ni/TiO2nanocomposite was prepared by mechano- chemical synthesis. The as- milled nanocomposite consists of hexagonal-structure rutile TiO2and face-centered cubic structure Ni. Annealing treatment decreases both the lattice defects and the internal stress, while remarkably increases the grain size of metal Ni and the s…
Metamaterials and Metasurfaces ApplicationsElectromagnetic wave absorption materialsAdvanced Antenna and Metasurface Technologies
ARVIND ARVIND、Kumar、Mishra Mishra2014-01-01Acta Scientiarum Naturalium Universitatis Sunyatseni
这研究描述了 Pb1x Sr x 的结构、绝缘、压电的行为[(Zr0.52Ti0.48 ) 0.95 (Mn1/3Nb2/3 ) 0.05 ] O3 陶艺(PSZT-PMN, x = 0, 0.025, 0.050,和 0.075 ) ,由一条半湿的线路准备了。X 光检查衍射,电介质,和压电的调查被执行分析水晶结构。相对绝缘的经常、绝缘的损失两个都作为温度的功能被计算。房间温度电介质常数为与 0.050 的 x 价值陶器的修改 Sr2+ 的 PZT-PMN 到达最大值,它对应于 morphotropic 阶段边界(MPB ) 。拉曼光谱学研究也为 x = 证实这 MPB 的存在 0.050。压电的紧张系数(d 33 ) 价值为这篇…
Ferroelectric and Piezoelectric MaterialsAcoustic Wave Resonator TechnologiesElectrical and Thermal Properties of Materials
Min-le、Peng、Lihua 等 13 位作者2014-01-01Acta Scientiarum Naturalium Universitatis Sunyatseni
这个工作的焦点是控制 electrosprayed 聚合物 microspheres 的结构然后在 microspheres 吸附性质上学习不同结构的效果。扫描电子显微镜学(SEM ) 结合了图象分析软件被采用评估尺寸分布和 microspheres 的结构。根据观察和分析结果, polyethersulfone (足) 的二种类型多孔的 microspheres (塑造范围、崩溃的完成式) 被调整溶剂和聚合物经由 electrospraying 技术准备分子的重量。多孔的足 microspheres 能有效地把 bisphenol A (BPA ) 从它的水的答案移开。与折叠 microspheres 相比,不平的 micros…
Conducting polymers and applicationsElectrospun Nanofibers in Biomedical ApplicationsElectrohydrodynamics and Fluid Dynamics
Yadong Yadong、Li、Yi 等 4 位作者2014-01-01中国科学通报:英文版
金 nanoclusters 展览非凡的催化活动,而是统治因素由于结构的复杂性仍然是不清楚的。在这评论,我们简短在他们的结构和催化活动上总结了最近的理论进步。联合试验性、理论的努力,小型的金簇的结构系统地被探索了。基于坚定的结构,影响小型的金簇(Au16Au35 ) 的催化能力的因素作为一根探针用公司氧化被学习。公司和 O2 的 preadsorption 精力被发现强烈与催化活动相关,它能被簇几何学,尺寸,和费用分布影响。另外,水的存在能显著地降低 O2 分离的激活精力障碍提高簇催化活动。
Catalytic Processes in Materials ScienceNanocluster Synthesis and ApplicationsAdvanced Nanomaterials in Catalysis
Gao Le2014-01-01OpenAlex
Photovoltaic performance of the organic solar cells(OSCs) based on 2-((5′-(4-((4-((E)-2-(5′-(2,2-dicyanovinyl)-3′,4-dihexyl-2,2′-bithiophen-5-yl)vinyl) phenyl)(phenyl)amino)styryl)-4,4′-dihexyl-2,2′-bithiophen-5-yl)methylene)malononitrile(L(TPAbTV-DCN)) as donor and PC70BM as acceptor was optimized using 0.25 vol% hig…
Organic Electronics and PhotovoltaicsConducting polymers and applicationsSemiconductor materials and interfaces
Xiaotong WangLi、LiYabing Zhu、Xiaorui SongXiaodong FangRonglian Huang 等 4 位作者2014-01-01OpenAlex
Two calcium carbonate crystal polymorphs, aragonite and calcite, are the main inorganic components of mollusk shells. Some fossil evidences suggest that ara- gonite shell is more ancient than calcite shell for the Biv- alvia. But, the molecular biology evidence for the above deduction is absent. In this study, we sear…
Marine Biology and Ecology ResearchMarine Bivalve and Aquaculture StudiesCalcium Carbonate Crystallization and Inhibition
Chunya Li2014-01-01OpenAlex
An iridium (Ⅲ) complex of( DFPPM) 2 Ir( acac) [DFPPM = 2-( 2,4-difluorophenyl)-pyrimidine,acac = acetylacetone]was prepared,and characterized by X-ray single crystal diffraction. The photophysical properties of( DFPPM) 2 Ir( acac) were investigated by UV-Vis spectroscopy and photoluminescence( PL) technique. X-ray dif…
Organic Light-Emitting Diodes ResearchMagnetism in coordination complexesLanthanide and Transition Metal Complexes
Lü、Xi-Rui、Chen 等 12 位作者2014-01-01Acta Scientiarum Naturalium Universitatis Sunyatseni
2 Zr 2 O 使不能调动的 7 一3+,三价的钕被使用作为为有三价的放射性的浪费的像, Gd 2x Nd x Zr 2 O 7 (0.0x2.0)系列样品被高 tem 成功地综合长期的化学稳定性的实验在 40 和 70 点在合成海水被进行 ? 桷敥獬慭吗?
Nuclear materials and radiation effects
Zhongwei、Chen、Mingjun 等 6 位作者2014-01-01Acta Scientiarum Naturalium Universitatis Sunyatseni
The mechanical properties of Al-Cu-Mn casting alloy mainly depend on the morphology,distribution,size,and number ofθ′(Al2Cu)precipitates.In this study,we have analyzed the effect of rare earth samarium(Sm)addition on the kinetics of precipitation in the Al-Cu-Mn casting alloy by using differential scanning calorimetry…
Corrosion Behavior and InhibitionAluminum Alloy Microstructure PropertiesAluminum Alloys Composites Properties
Juan、Xu、Yaquan 等 9 位作者2014-01-01Acta Scientiarum Naturalium Universitatis Sunyatseni
与 triethylamine (茶)对待的钛 silicalite-1 ( TS-1 )在不同条件下面的答案被X光检查粉末衍射( XRD )描绘,Fourier变换红外线的光谱( FTIR ),紫外可见的弥漫的反射光谱(紫外力),氮物理吸附和解吸附作用,扫描电子显微镜学( SEM )和传播电子显微镜学( TEM )。描述结果显示出那许多不规则凹陷与增加茶集中,和处理温度和时间由于框架硅和空洞增加的体积的随机的溶解在 TS-1 晶体被产生。修改 TS-1 样品由于 hollows 的产生可能在一个改正床反应堆为丙烯的 epoxidation 在改变度改进了催化剂生活使让反应物和产品从隧道扩散容易。
Zeolite Catalysis and SynthesisMesoporous Materials and CatalysisPolyoxometalates: Synthesis and Applications
F. R Ocha2014-01-01OpenAlex
AB ST R ACT : The unique properties of clays make them suitable for a large number of applications. Among the procedures that can be used to characterize clayey materials, the assessment of the abrasion and the abrasiveness index can be employed to predict the mechanical behaviour of clay samples. However, only a limi…
Geological and Geochemical AnalysisClay minerals and soil interactionsTherapeutic Uses of Natural Elements
Yundan、Liu、Long 等 14 位作者2014-01-01Acta Scientiarum Naturalium Universitatis Sunyatseni
Ultrathin MoS2nanosheets were prepared in high yield using a facile and effective hydrothermal intercalation and exfoliation route. The products were characterized in detail using X-ray diffraction, scanning electron microscopy, transmission electron microscopy and Raman spectroscopy. The results show that the high yi…
Advancements in Battery MaterialsSemiconductor materials and interfacesMXene and MAX Phase Materials