The effect of annealing conditions on the red photoluminescence of nanocrystalline Si/SiO films

. the concentrations of these two components at the corre-sponding annealing temperature and time.4.2. The annealing conditions dependence of the red PLNow we can explain the spectral change of the PLfrom. role of hydrogen here is the effectivepassivation of nonradiative recombination centers.3.4. The effect of annealing times upon 400 8C annealing At an annealing temperature of 400 8C, longer. oscillations of the red PL upon 400 8C annealing It was found that upon 400 8C annealing, during the decay process of the PL centers (blueshift of the PL),ashort time annealing causes the recovery of...

A CFD analysis on the effect of ambient conditions on the hygro-thermal stresses distribution in a planar ambient airbreathing PEM fuel cell

... continuity equation, the mass conservation equation for each phase yields the volume fraction ( )r and along with the momentum equations the pressure distribution inside the channel. The continuity ... The mass balance is described by the divergence of the mass flux through diffusion and convection. Multiple species are considered in the gas phase only, and the species conservation equation ... (Online) ©2011 International Energy & Environment Foundation. All rights reserved. A CFD analysis on the effect of ambient conditions on the hygro-thermal stresses distribution in a planar ambient...

effects of cultivating conditions on the mycelial growth

... corre-sponding to a higher dry mycelium concentration. The formation of pellets is largely determined by the extent of agitation and aeration. The effect of aeration on the growth of mushroom ... mycelia.3.3 Effect of surface aeration The effects of the surface aeration were investigated byvarying the volume of ¯ask so that the ratio of the surfacearea of the liquid exposed to air to the liquid ... type of medium. However, the oxygen supply to the interior of the pellets decreases because of the condensation of myceliumcharacteristics of the pellet structure and as a function of the pellet...

Tài liệu Báo cáo "Effect of the preparation conditions on the properties of Fe-Pt nanoparticles produced by sonoelectrodeposition " pptx

... Journal of Science, Mathematics - Physics 25 (2009) 1-7 1 Effect of the preparation conditions on the properties of Fe-Pt nanoparticles produced by sonoelectrodeposition Nguyen Hoang Luong* ... discovered as early as 1934 that the application of ultrasonic energy could increase the rate of electrolytic water cleavage. The effects of ultrasonic radiation on chemical reactions are due to the ... cathode. The composition of Fe-Pt particles can be controlled by changing the concentration of Fe and Pt ions in the electrolyte and the deposition voltage. The particle size can be adjusted by the...

Effect of Process Parameters on the Degradation of Polychlorinated Biphenyls in Water Matrix using UV/H2O2

... the desired sampling times. The pH of the samples and the temperature of the solution inside the photoreactor were continuously monitored. The adjustment of the pH of the solution was done using ... H2SO4. The effect of the initial pH of the solution was evaluated using pH values of 3, 7, 5.8 and 10. For the effect of initial PCB concentrations, H2O2 concentrations used were based on the ... determine the effects of initial H2O2 concentration, initial pH of the solution and initial PCB concentration on the degradation of PCBs in water matrix. Journal of Water and Environment...

Effect of urban emissions on the horizontal distribution of metal concentration in sediments in the vicinity of Asian large cities

... mgZn/kg based on the uniform distribution of these metals in the sediments of the lake. The higher concentration in the northwest part of the lake is probably due to reverse flow of the polluted ... distribution was obtained. The distribution of zinc and lead concentration in Manila Bay clearly shows the effect of anthropogenic contamination and it was explained by the diffusion of lead and ... Accuracy of the measurement was confirmed through the analysis of Laguna Lake samples, as shown in the result section of the paper. In addition, the accuracy was also confirmed through the monitoring...

Indoor tests to investigate the effect of brine depth on the performance of solar still

... examining the effect of climatic, operational and design parameters on its performance. One of the most important of the operational parameters that has received a considerable attention in the literature ... inclination, thermal insulation and brine depth). The objective of this work is to investigate the effect of brine depth on the productivity and efficiency of solar still under laboratory conditions. ... shows a summary of some of the studies cited in the literature that examined the effect of brine depth on productivity. It can be seen from the table that some conflict on the effect of brain depth...

Tài liệu Báo cáo khoa học: Effect of deletion of the DNase I hypersensitive sites on the transcription of chicken Ig-b gene and on the maintenance of active chromatin state in the Ig-b locus docx

... demonstrated the essential role of this region in the transcription of the Ig-b gene. Deletion of region III decreased the expres-sion of Ig-b mRNA to 40% of the expression in prede-letion cells ... deletion (16 kb Del) in one allele of the Ig-b locus (Fig. 1). Introduction of the 16 kb Delconstruct into DT40 ⁄ Cre cells resulted in two deletionclones. In one of these two clones, the Bsr ... transfection assays did not always correlate with the effect of DHS deletion on the expression level of Ig-b mRNA. In eachdeletion, cells contained the same DHSs as observed in the predeletioncells,...

Báo cáo khoa học: Effect of oculopharyngeal muscular dystrophy-associated extension of seven alanines on the ﬁbrillation properties of the N-terminal domain of PABPN1 pot

... confor-mation is presumably very slow under the applied conditions. This assumption, and the fact that seedslose their activity upon incubation, may be responsiblefor the only moderate acceleration of ... effect on the ﬁbrillation properties of the most extreme disease-asso-ciated extension of seven additional alanines, ﬁbrillationkinetics and ﬁbril properties of N-WT were comparedwith those of the ... reason, ﬁbril formation was analyzed with the N-terminal domain of PABPN1 consisting of aminoacids 1–125 of the wild-type protein (N-WT). Because the aim of this study was to investigate the effect...

Báo cáo khoa học: Protein stabilization by compatible solutes Effect of diglycerol phosphate on the dynamics of Desulfovibrio gigas rubredoxin studied by NMR docx

... denaturingreaction would be an effective stabilizer.This leads us to consider the possible effects of soluteaddition on the activation energy of the denaturing processand we look to the results of the ... structure. The least orderedparts of the NMR structure [28] are the N terminus and the loop region. DGP addition leaves the overall pictureunaltered, but, with the exception of segment 37–45, thereis ... positioned in the hairpin loop, the proteintermini and the less structured region of residues 34–36 [28],which is in agreement with a possible higher mobility of these regions. The addition of...

Xem thêm

Từ khóa: effect of ozone layer on the environment give detailed account of the effect of water pollution on the environment and human health number of electric vehicles on the road number of hybrid vehicles on the road impacts of ozone depletion on the environment effects of environmental pollution on the respiratory system Báo cáo thực tập tại nhà thuốc tại Thành phố Hồ Chí Minh năm 2018 chuyên đề điện xoay chiều theo dạng Giáo án Sinh học 11 bài 13: Thực hành phát hiện diệp lục và carôtenôit Giáo án Sinh học 11 bài 13: Thực hành phát hiện diệp lục và carôtenôit Giáo án Sinh học 11 bài 13: Thực hành phát hiện diệp lục và carôtenôit ĐỒ ÁN NGHIÊN CỨU CÔNG NGHỆ KẾT NỐI VÔ TUYẾN CỰ LY XA, CÔNG SUẤT THẤP LPWAN Trả hồ sơ điều tra bổ sung đối với các tội xâm phạm sở hữu có tính chất chiếm đoạt theo pháp luật Tố tụng hình sự Việt Nam từ thực tiễn thành phố Hồ Chí Minh (Luận văn thạc sĩ)Phát triển du lịch bền vững trên cơ sở bảo vệ môi trường tự nhiên vịnh hạ long Nghiên cứu về mô hình thống kê học sâu và ứng dụng trong nhận dạng chữ viết tay hạn chế Nghiên cứu tổng hợp các oxit hỗn hợp kích thƣớc nanomet ce 0 75 zr0 25o2 , ce 0 5 zr0 5o2 và khảo sát hoạt tính quang xúc tác của chúng Định tội danh từ thực tiễn huyện Cần Giuộc, tỉnh Long An (Luận văn thạc sĩ)Tìm hiểu công cụ đánh giá hệ thống đảm bảo an toàn hệ thống thông tin Thiết kế và chế tạo mô hình biến tần (inverter) cho máy điều hòa không khí Sở hữu ruộng đất và kinh tế nông nghiệp châu ôn (lạng sơn) nửa đầu thế kỷ XIX BT Tieng anh 6 UNIT 2 Giáo án Sinh học 11 bài 14: Thực hành phát hiện hô hấp ở thực vật Giáo án Sinh học 11 bài 14: Thực hành phát hiện hô hấp ở thực vật Giáo án Sinh học 11 bài 14: Thực hành phát hiện hô hấp ở thực vật Giáo án Sinh học 11 bài 14: Thực hành phát hiện hô hấp ở thực vật HIỆU QUẢ CỦA MÔ HÌNH XỬ LÝ BÙN HOẠT TÍNH BẰNG KIỀM