photo control of the structural and optical properties of

... use the potential of O2 molecule as a reference, n O denotes the numbers of the vacancies in the supercell ε F is the Fermi level measured from the top of the valence band E VBM and ΔV is the ... TDOS of the intrinsic β -Ga2O3, new peaks arise in the bandgap For VOI, with the VBM chosen as the reference, the DOS peak of V OI0 is 2.77 eV away from the VBM Based on the PDOS of the Ga ions and ... VOI, the band structures and DOS of VOII and VOIII shown in Figs 4 and 5, respectively Extra levels emerge in the band structures, with the VBM chosen as the reference, the DOS peak of V OII0 and

Ngày tải lên: 24/11/2022, 17:43

... enhanced the PL quantum yeild (QY), the optical durability, the chemical stability and separating CdSe/CdTe QDs from the surroundings The effect of excitation power on the PL properties of the CdSe ... focused on the synthesis of the type-II semiconductor QDs They were constructed from the two materials for which both the conduction and valence bands of one component lie lower in energy than the corresponding ... size and shell thickness The bandgap energy of CdTe/CdSe and CdSe/CdTe QDs are the same, but the physical nature and their applications are different For the CdTe/CdSe QDs, electrons locate in the

Ngày tải lên: 27/09/2020, 17:48

... all the samples Considering the blue shift of the absorption positions of the bulk SnO2, the absorption onset of the present samples is assigned to the direct transition of the electrons in the ... is the absorbance of the sample CeO2/SnO2, ρ is the real density of, l is the path length, and c is the concentration of the CeO2/SnO2 suspensions For the indirect transitions, the plots of (αhυ)2 ... bromide (CTAB) and nonionic-Triton X-100 surfactants, and investigates the influence of the surfactants on their crystalline nature, size, morphology and optical properties The synthesis of CeO2/SnO2

Ngày tải lên: 17/03/2021, 20:15

... (a) The FWHM of the off-axis XRC of (11–22) GaN as a function of the azimuthal angle, Φ (b) The FWHMs of m-plane (n0-n0) XRCs (n = 1, 2, and 3) (c) The FWHMs of c-plane (000n) XRCs (n = 2, 4, and ... lower because of the smaller thermal distribution of carriers for the CH band40 Furthermore, the SFs, strain and layer tilt could also have contribution to the polarization properties of (11–22) ... images of the interfacial region in the sample, revealing the atomic structure of the GaN and AlN The red circle denotes the misfit dislocations The misfit dislocations were not observed along the

Ngày tải lên: 19/11/2022, 11:48

... all the samples Considering the blue shift of the absorption positions of the bulk SnO2, the absorption onset of the present samples is assigned to the direct transition of the electrons in the ... is the absorbance of the sample CeO2/SnO2, ρ is the real density of, l is the path length, and c is the concentration of the CeO2/SnO2 suspensions For the indirect transitions, the plots of (αhυ)2 ... bromide (CTAB) and nonionic-Triton X-100 surfactants, and investigates the influence of the surfactants on their crystalline nature, size, morphology and optical properties The synthesis of CeO2/SnO2

Ngày tải lên: 29/01/2021, 01:30

... related to the content of aluminum In this paper, we will investigate the mechanical, micro-structural, and thermal proprieties of the CrAlN coatings 2 Preparation of the sample The thin layer of CrAlN ... plotted the thermal conductivity and the thermal diffusivity variation versus the bias The conductivity and thermal diffusivity of CrAlN coatings decrease gradually if the aluminium proportion in the ... deposition operation, the surface backings and targets were further cleaned by argon ion bombardment The influence of the aluminum biasing target on the microstructure and the thermal properties is investigated

Ngày tải lên: 02/11/2022, 10:39

... France;4Institute of Microbiology and Immunology, Medical Faculty, University of Ljubljana, Slovenia At the time of implantation in the maternal uterus, the trophectoderm of the pig blastocyst is the source of ... at the two potential glyco-sylation sites present on the IFN-c polypeptide core They could differ in the rate and site of glycosylation, considering the 22 500-Da band as bi-glycosylated and the ... found Furthermore, the larger amount of TrIFN-c found, when compared to the previous experi-ment (Fig 2), revealed that the 22 500 and 18 000 bands were the major but not the only components of TrIFN-c;

Ngày tải lên: 24/03/2014, 04:21

... Sim Yin and Tan Jin Yi as being together for the completion of the lab work and given their help to complete my thesis I would also like to thank Teoh Hang Boon and Choi Yik Huey for their guidance ... Hoe Seng and Berdie for their guidance and advices on the entire experiment, especially on the antioxidant tests Together with Puan Zainab, Mr Taipin and Pn Marni, I would like to thank them for ... ABTS and bleaching inhibition assay \ :.;,,;,r-x 81 82 Trang 13The percentage of inhibition of Limnophi/a aromatica extracts from various solvent on DPPH Values are the standard as the standard

Ngày tải lên: 05/05/2014, 08:39

... very close to the SPR position of monometallic Ag Appearance of no absorption peak in the case of Au/Ag =1/9 indicates the formation of neither type of nanoparticles On the other hand, the SPR peak ... infers that the composition of the alloy colloids correspond to the initial concentrations of gold and silver ions in the reaction mixtures On the other hand, the SPR peak positions of the colloids ... 1Synthesis and Optical Properties of Au-Ag Alloy Nanoclusters with Controlled of their composition Considering effective dielectric constant of the alloy, optical absorption spectra for the nanoclusters

Ngày tải lên: 04/06/2014, 15:20

... and its control in the field and during post-harvest processes in the Mekong Delta of Vietnam Professor Shu Fukai Contact Officer(s) In Australia: Team Leader Organisation: The University of ... was to evaluate the performance and throughput of the dryer at different drying regimes The full results and interpretations of this and forthcoming work will be submitted in the next report ... comprises of following sub-activities: i Demonstrations to the farmers and provincial pilot cooperatives on the benefit of mechanical drying against sun drying and the economic value of the correct

Ngày tải lên: 21/06/2014, 06:20

... cooperatives on the benefit of mechanical drying against sun drying and the economic value of the correct harvesting time and method The demonstration and training activity for the farmers were ... Vietnamese and Australian coordinators in Thailand and Philippines to learn about their experiences in rice cracking and get aware of their current activities in relation to post-harvest handling of ... time and methods on cracking fraction of rice and losses for different varieties and seasons The objective of this experiment is to determine the effect of harvesting time on kernel cracking and

Ngày tải lên: 21/06/2014, 06:20

... farmers and scientists s Figure 7: Farmer Phan The Toan, talking about his experience in the use of the dryer Trang 6Figure 8: Statement of local officer, Mr Nguyen van Thanh, Vice Head of the ... Introduction the delegates, participants 8:10 – 8:15: Introduction the content of the training program (Dr Vinh Truong) 8:15 – 8:20: Statement of local officer (Vice President of the district) ... Introduction the delegates, participants 8:10 – 8:15: Introduction the content of the training program (Dr Vinh Truong) 8:15 – 8:20: Statement of local officer (Vice President of the district)

Ngày tải lên: 21/06/2014, 06:20

... Introduction the delegates, participants 8:10 – 8:15: Introduction the content of the training program (Dr Vinh Truong) 8:15 – 8:20: Statement of local officer (Vice President of the district) ... Meeting hall of people’s committee of Phong Dien district 7:30 – 8:00: Welcome the participants at Meeting hall of people’s committee of Tân Hiệp district 8:00 – 8:10: Declaration the reason of training ... Co Do districts) Project: INVESTIGATION OF RICE KERNEL CRACKING AND ITS CONTROL IN THE FIELD AND DURING POST-HARVEST PROCESSES IN THE MEKONG DELTA OF VIETNAM Figure 1: Opening by Dr Truong

Ngày tải lên: 21/06/2014, 06:20

... in the field - The mobility of the machine in the field depends on the weight of machine and the size of field One step harvesting: - The mobility of the machine in the field depends on the ... dependent on the weather condition and the stage of harvesting There are losses due to shattering of the grain and rice cracking due to over drying or rewetting of the grain, if the rice is not ... to the sun The moisture evaporates from the grain and then the drying or ambient air removes the moisture from around the surface of grain Drying methods After harvesting (cutting in the

Ngày tải lên: 21/06/2014, 06:20

... yield which is defined as the ratio of the mass of unbroken kernel to the total mass of paddy rice The head rice is composed of grains which maintain at least 75% of their length after milling ... be softer on account of reduced pasting properties These findings assisted in improving our understanding of the role of tempering Further studies are needed on cooking quality 146 Ministry of ... Effects of storage conditions on cracking behaviour and physico-chemical properties of rice Figures and illustrate the changes in the level of kernel fissuring and head rice yield, over months of

Ngày tải lên: 21/06/2014, 06:20

... comprised of around 10% bran and 20% husk) In literatures, the head rice recovery and total rice recovery have been achieved as high as 60% and 70% Therefore, there is still a scope of improving the ... head rice yield • It is necessary that the millers and farmers are aware of the efficiency of mills in order to augment the value of their produce • The medium scale rice mills should be promoted ... meanwhile there is no information reported on the effect of paddy quality on performance of milling system In this study, the effects of initial moisture content of paddy on the performance of rubber-roll

Ngày tải lên: 21/06/2014, 06:20

... to depend on the season due to the different patterns of temperature fluctuation during day and night, degree and strength of sunshine and frequency of rain During the rainy season, the rice grain ... GoGon Cooperative), and identification of the source of the variation would help increase the head rice recovery 3 Other harvesting factors contributing to the losses There are other factors which ... on the above definition, farmers normally harvest 1-3 days after the maturity date due to the lack of labour Based on our data, 80%, 90%, 55% and 50% of crop of OM1490 and OM2718, Jasmine and

Ngày tải lên: 21/06/2014, 06:20

... provide them technical knowledge to practice optimum drying conditions Improvement of the capacity of the extension workers by providing updated knowledge is another objective The theory of grain ... seasons 2 Improvement of the performance of current dryers applied in MRD to minimise the level of rice cracking 3 Optimisation of the drying method based on the fundamental structural relaxation ... summarised In the second part, the dried white rice in Vietnam was then imported to Australia (University of Queensland) and analysed for pasting and gelatinisation properties and crystallinity

Ngày tải lên: 21/06/2014, 06:20

... capacity of 4ha/day The data of Long An is reasonable and close to the actual capacity of standard combine-harvester (SCH = 4ha/day) currently used in the MRD and was selected for estimation of the ... In the reduction of 9.2% losses, there was 7.5% value losses occupied 7.5/9.2 = 81.5% Therefore, the farmers gained only 19.5% of the benefits from reduction of losses The values of RHLMT and ... data on harvest and post-harvest losses of rice and information on the use of harvesters and dryers From the experiments and surveys undertaken under the project CARD026/VIE05, the data presented

Ngày tải lên: 21/06/2014, 06:20

... weight of filler to the rubber hydrocarbon in the vulcanisate, whilst a and b are constants The higher the Qf/Qg values, the lower the extent of the interaction between the filler and the matrix ... Considering the results of the tensile strength in Figure 4 and the fracture surfaces in Figure 19, it seems that the rougher the fracture surface the better the tensile properties of the related ... of the vulcanisation process of ENR, which results in the higher values of the minimum and maximum torques Figure 4 and Table 2 show the effect of organoclay loading on the tensile strength of

Ngày tải lên: 07/08/2014, 14:20