Báo cáo hóa học: " Microwave assisted low temperature synthesis of MnZn ferrite nanoparticles" pptx

... for temperature above 800 °C. Conclusions MnZnFe 2 O 4 nanoparticles have been successful syn- thesized by microwave assisted low temperature syn- thesis method. Due to high heating efficiency, microwave ... advantage of microwave heating. When the microwave is applied in the system, microwave induces the rotation and migration of materials having dielectric property and...

Ngày tải lên: 22/06/2014, 22:20

... Graduate Innovation Fund of Jilin University. Author details 1 Key Laboratory of Automobile Materials, Ministry of Education, People’s Republic of China 2 Department of Materials Science and ... the synthesis of TiB 2 powder by a self-propagating high -temperature synthesis technique. Mater Lett 2004, 58:733-738. 13. Khanra AK, Pathak LC, Mishra SK, Godkhindi MM: Self-propaga...

Ngày tải lên: 21/06/2014, 00:20

... for synthesis of metal oxide nanoparticles attached on carbon nanomaterials Yi Zhao, Jiaxin Li, Chuxin Wu, Lunhui Guan * Abstract We report a general strategy for synthesis of a large variety of ... nanocomposites in a controlled manner. Here we present a unified strategy for synthesis of a large v ariety of NPs of metal oxides, including transition and rare earth metal oxid...

Ngày tải lên: 21/06/2014, 06:20

... ratios of the MPA stabilizer to Figure 2 Optical performance of CdTe cores and corresponding CdTe/CdSe type II QDs by means of microwave- assisted synthesis. The optical performance of a series of ... JH, Long F: Microwave- mediated nonaqueous synthesis of quantum dots at moderate temperature. Langmuir 2009, 25:10189-10194. 13. Qu LH, Peng XG: Control of photoluminescen...

Ngày tải lên: 21/06/2014, 03:20

... attributed to the ion assisted growth of the crystallites which may be different for OH - assisted growth in the case of S1 and Cl - assisted growth in S2 and Cl - and NH 4 ? assisted growth in ... (5.0 M) were employed for the synthesis. A typical microwave oven (Whirlpool, 1200W) operating at a fre- quency of 2,450 MHz was used for the synthesis. Synthesis of TiO 2 Nan...

Ngày tải lên: 22/06/2014, 01:20

... content in the films in favor of the rutile phase. The high photoactivity of the films sputtered at very low p O2 in the transition mode of sputtering is a result of their very high surface roughness ... that the increase of f r from 100 to 350 kHz leads to (a) an improvement of the efficiency of the deposition process that results in a significant increase of the deposition rat...

Ngày tải lên: 22/06/2014, 22:20

... of uncertain sensory information [18]. In this study, it is applied on number of friends, friends -of- friends, and non-friends which is based on efficient arrangement of metrics (percentages of ... of its high rate of friends and the sparse distri- bution of non-friend vehicles. It means that our fuzzy inferenc e system uses a trade-off decision between para- meters (friends, f...

Ngày tải lên: 20/06/2014, 22:20

... banks consisting of 9 accumulators. After all the training symbols are received, during the reception of the guarding intervals of the next OFDM block, estimation and compensation of the CFO and ... complexity of this scheme is approximately half of the autocorrelation-based one as only sin φ needs to be estimated. Its performance, however, could be better than the latter because...

Ngày tải lên: 21/06/2014, 20:20

... maximization of the network sum capacity or the maximization of the number of MSs that can be scheduled while enjoying a certain rate. For both cases, the low- complexity approach of distributed, iterative, ... [4], where groups of co-located or distributed antennas transmit to a set of users, in a coherent and coordinated manner, with the aim of mitigating intercell interferen...

Ngày tải lên: 22/06/2014, 06:20

... critical for the homooligomerization of NP, formation of NP-induced intracellular inclusions, interac- tion of NP with VP35 and for the function of NP in RNA synthesis. Materials and methods Cells ... is enhanced in the absence of C2) and is essential for the function of NP in transcription and replication of MARV RNA. It is possible that the conformational flexibility of NP...

Ngày tải lên: 20/06/2014, 01:20