synthesis of hematite (r-fe2o3) nanorods diameter-size and shape effects on their
synthesis of hematite (r-fe2o3) nanorods diameter-size and shape effects on their
... nano- wires /nanorods (one-dimensional (1-D)) with controlled size and shape are of key importance because their electrical, optical, and magnetic properties strongly depend on their size and shape. 1 Hematite ... Synthesis of Hematite (r-Fe 2 O 3 ) Nanorods: Diameter-Size and Shape Effects on Their Applications in Magnetism, Lithium Ion Battery, and...
Ngày tải lên: 20/03/2014, 13:08
synthesis of iron oxide nanorods and nanocubes in an imidazolium ionic liquid
... directions. The combination of changing the concentrations of capping agents and subtle variation in temperature between about 280 and 310 ◦ C could results in the formation of iron oxide nanorods and ... 280 ◦ C. 4. Conclusion In conclusion, nanorods, nanocubes and nanospheres of iron oxide have been synthesized in [BMIM][Tf 2 N] ionic liquid. Oleic acid plays an important...
Ngày tải lên: 20/03/2014, 13:08
synthesis of porous fe2o3 nanorods and deposition
... calibration of the binding energy (BE) scale. 3. Results and Discussion The influence of the experimental conditions on the morphology and structure are studied. The as-prepared iron (23) Xiong, ... formation of the FeO(OH) nanorods. For the formation of the FeO- (OH) nanorods, both the molar ratio of TEAOH/Fe and the TEAOH concentration are important. The former should be...
Ngày tải lên: 20/03/2014, 13:08
Polymer assisted synthesis of aligned amorphous silicon nanowires and their core shell structures with au nanoparticles
... the SiNWs, and the high dispersion of Au nanoparticles on the surface of the SiNWs without any aggregation. The formation of the SiNWs was explained on the basis of the reaction of carbon with the ... characteristic of a silicon structure, corresponding to the second-order transverse acoustic phonon mode (2TA), and the first-order transverse optical phonon mode (TO) of si...
Ngày tải lên: 16/03/2014, 15:06
Báo cáo Y học: Synthesis of phosphoenol pyruvate (PEP) analogues and evaluation as inhibitors of PEP-utilizing enzymes pot
... (1988) Phosphonate biosynthesis: isolation of the enzyme responsible for the formation of a carbon–phosphorus bond. Nature 335, 457– 458. 5. Duffy, T.H. & Nowak, T. (1984) Stereoselectivity of interaction ... cyclopropanation. Agric. Biol. Chem. 46, 1027–1034. 21. Cherbuliez, E., Weber, G. & Rabinowitz, J. (1965) Formation and transformation of esters. LXI. Reaction of mono...
Ngày tải lên: 18/03/2014, 01:20
facile route to the synthesis of porous - fe2o3 nanorods
... formation of elongated nanostructures in the form of rods. We believe that because of the electrostatic interaction of the iron ions and the anionic surfactant SDS, rod-like conformational inorganic–surfactant ... calcination of the nanorods. It reveals that the nanorods are full of porosities and it is worth mention- ing that the shape and size of the rods have not c...
Ngày tải lên: 19/03/2014, 16:48
micelle-assisted synthesis of polyaniline magnetite nanorods by in situ self - assembly process
... acid (DBSA) instead of conventional strong acids (such as HCl). DBSA is used not only as the dopant, and also as the surfactant, which can control the morphology of PANI nanorods and magnetite particles. ... ab- sence of a magnetic field. Furthermore, the major difficulty lies in the interrelated effects in synthesis and assembly. Agglom- eration of these particles originate...
Ngày tải lên: 20/03/2014, 13:04
synthesis of arithmetic circuits FPGA ASIC and embedded systems
... example: . Selection of the data repr esentation . Generation or selection of algorithms . Selection of hardware platforms . Hardware–software partitioning . Program generation . New hardware synthesis . Cosimulation, ... Subtraction 55 4.1 Addition of Natural Numbers, 55 4.1.1 Basic Algorithm, 55 4.1.2 Faster Algorithms, 57 4.1.3 Long-Operand Addition, 66 4.1.4 Multioperand Additio...
Ngày tải lên: 27/03/2014, 21:16
evaluation of shape and size effects on optical properties of zno pigment
... Preparation of pigments ZnO samples were prepared by hydrothermal method and used for the evaluation of morphology effects of ZnO pigments on their optical ... 33– 38 Table 1 Synthesis conditions of hydrothermally synthesized ZnO pigments. Morphology [Zinc solution] a [Hydroxide solution] a pH of final solution Tempratur...
Ngày tải lên: 06/05/2014, 13:23
Globalization and its effects on the development of educational service in Vietnam
... of it mentions the competition and effectiveness of economy. Education services have effect on labor market, determine quantity and quality of human resources and shape the correlation between ... educational basis (at least secondary education) on which MNEs (Multinational Enterprises) and their training systems can build as well as provision of tertiary technical...
Ngày tải lên: 23/04/2013, 11:16