simultaneous negative phase and group velocity of light in a metamaterial 892

... with 52% of Fe3O4 in mass and 48% of a- FeOOH in mass Results and discussion Figure shows XRD patterns of the samples prepared in pure water and in alcohol/water media XRD pattern of Fig 1a matches ... show amorphous precipitate was obtained instead of a- FeOOH nanorods in alcohol/water media (5:1) without F127 Obviously, F127 plays an important role in the formation of a- FeOOH nanorods as a structuredirecting ... gradual phase transformation from Fe3O4 to a- FeOOH with increasing volume ratios of alcohol/water is consistent with XRD results well The magnetism of the samples prepared in pure water and in...

Ngày tải lên: 19/03/2014, 16:48

... Tolerance limits for industrial effluents discharged into inland surface water, Indian Standards on Water Pollution, BIS, New Delhi, India Debabrata Mazumder was graduated in the year 1993 with Bachelor ... composite sample was also characterized for the same parameters as earlier after adequate homogenization The results of characterization of Jute and Cotton Fabric dyeing wastewater as well as the ... with varying concentration of alum in the range of 2% - 10% using a Jar test apparatus Firstly, 500 ml each of wastewater sample was taken to six numbers of beakers and added with stock alum solution...

Ngày tải lên: 05/09/2013, 17:03

... Brandt, and S Glasauer 2008 Human-robot interaction in handing-over tasks In Proceedings of IEEE RO-MAN 2008 doi:10.1109/ROMAN.2008 4600651 C Y Lin 2004 ROUGE: A package for automatic evaluation ... with a mean score of 4.1 To analyse the emotional data, we averaged all of the subjects’ emotional self-ratings before and after the experiment, counting negative emotions on an inverse scale, and ... and learning and remembering to make a snowman and an L shape We measured task success in two ways, corresponding to these two main tasks The user’s success in the overall assembly task was assessed...

Ngày tải lên: 17/03/2014, 01:20

... remains at around 28% and as high as 32% in core B, remaining at around 30% Eunotia incisa abundance in Core C is also similar, with an average abundance of approximately 30%, and going as high at ... 20% of the assemblage Again, this is not reflected in Core C for the same reason as Fragilaria bicapitata Past a depth of 15cm, Eunotia incisa abundance rises as high as 30% in Core A, and remains ... curvata E vanheurckii E pectinalis E parallela F af bicapitata Frustulia spp Abundance (%) Abundance (%) Abundance (%) Abundance (%) Abundance (%) Abundance (%) Abundance (%) Abundance (%) Abundance...

Ngày tải lên: 12/10/2015, 17:35

... the diatom assemblage also changes at this depth, with levels of Eunotia vanheurckii, Eunotia curvata and Fragilaria bicapitata dropping and levels of Eunotia incisa and Eunotia flexuosa rising ... Fragilaria bicapitata), and a lower abundance of taxa present in more acidic waters (Eunotia incisa and Eunotia flexuosa) Trace metal concentration begin increasing up-core and peak at 15cm This could ... diatom and geochemical analysis has been conducted in a freshwater acidification study in Singapore, and literature on such paleolimnological acidification studies in Asia, particularly SEA, are...

Ngày tải lên: 12/10/2015, 17:35

... in each sub-sample for multiple analytical techniques including diatom analysis, organic carbon content measurements and geochemical analysis It was decided that a sampling interval of 1cm was ... diatoms in low-alkalinity lakes in North America (Camburn and Charles, 2000), and various online sources including the Royal Botanic Garden Edinburgh (RBGE, 2010), the Academy of Natural Science in ... sediment was placed in a beaker and a small amount of 19% H2O2 added Fresh samples were used as oven drying can result in diatom breakage (Battarbee et al, 2001) When foaming, if any, had subsided,...

Ngày tải lên: 12/10/2015, 17:35

... constructed in the late 1930s when the nature reserve was used for recreational activities During this da sssssssssssdsdsdadadadadaaaaaaaaaadasdsadsadasda 73 time, in addition to signposting trails, labelling ... quality in Singapore” The study conducted by Balasubramanian et al (2001) had similar results Their rainwater samples had a mean of pH 4.5 and approximately 88% of their samples had a pH value less ... Environmental Engineering of NUS to examine the chemistry of precipitation in Singapore Balasubramanian et al (2001) and Hu et al (2003) collected rainwater at the Atmosphere Research Station within...

Ngày tải lên: 12/10/2015, 17:35

... that a large area of southern and eastern China, northern and eastern India, the Korean peninsular, Northern and central Thailand and Singapore are particularly vulnerable and receive levels of ... researchers and policymakers from Thailand, Bangladesh, China, India, Indonesia, the Republic of Korea, Japan, Malaysia, Myanmar, Nepal, Pakistan, Philippines, Thailand and Vietnam along with involvement ... China are increasing particularly rapidly, and is increasing in India and other parts of South and East Asia, with the exception of Japan The decrease in sulphur dioxide emissions in Japan reflects...

Ngày tải lên: 12/10/2015, 17:35

... (2002) all note increases in zinc and lead concentrations in lake sediments relating to atmospheric contamination and lake acidification In a study of Lake Kholodnoye, a remote Siberian highland lake, ... it has found general acceptance and use among diatomists and can act as a guide to interpret diatom findings (Battarbee and Charles, 1987) The use of fossil diatom assemblages to infer lake acidity ... load and the natural background pH level of the lake In a review of diatom analysis and lake acidification, Battarbee (1984) found that a decrease in the diatom plankton component is often a...

Ngày tải lên: 12/10/2015, 17:35

... historical monitoring data and finding a suitable study site This shortage of historical data has made paleolimnological analysis crucial in acidification research It is, however, difficult to find a ... contamination into the stream Sodium and potassium concentrations will aid in examining whether the concentrations of sulphur, lead and zinc are affected by changes in erosional intensity within ... combining the issues examined in chapter two and three into a Singaporean context Information regarding the acidification problem in Singapore is provided, along with a description of BTNR and...

Ngày tải lên: 12/10/2015, 17:35

... signal varies in time At any temporal frequency we can characterize the spatial filtering as a bandpass processing step, taking note of the value of the effective relative bandwidth, at −3 dB points ... different levels of abstraction in the representation and computation of signals, hierarchically/structurally organized and interacting in a recursive and adaptive way [29, 30] In this way, high-level ... (11) thus avoiding explicit calculation and differentiation of phase, and the attendant problem of phase unwrapping Moreover, the direct determination of temporal variations of the disparity, through...

Ngày tải lên: 23/06/2014, 01:20

... horizontal and two-step vertical translation On the right a rhombus tiling ρ invariant under six-step horizontal and vertical translation Example One obtains all rhombus tilings in R6 via translation ... taking into account the parity of the sets, we will obtain the desired formula We stress that our matching is purely combinatorial in nature and does not admit a topological interpretation in ... (p) The proof for i (q) is analogous Recall that u and v are linearly independent integer vectors Let ρ be a balanced u, v -invariant rhombus tiling By finiteness of Z2 / u, v and Lemma 2.2, the...

Ngày tải lên: 07/08/2014, 13:21

... Dicer, consists of two bacterial RNAse III domains and a helicase domain of apparent euryarchaeal origin, and the other essential protein, Argonaute, also shows a euryarchaeal a nity (Figure 4) ... system/endoplasmic reticulum Complex mix of archaeal and bacterial Mitochondrion/electron transfer chain Bacterial Euryarchaeota (and also present in Korarchaeum and some Thaumarchaeota) [95] Eukaryotic ... effects of removing fast-evolving taxa, arrived at a three-megagroup structure of the eukaryotic tree The megagroups consist of Unikonts, Excavates, and the assemblage of Plantae, Chromalveolata and...

Ngày tải lên: 09/08/2014, 20:21

... World health organization Geneva 1992 Kitamura T, Machizawa S, Maruyama S, Nakagawa Y, Morita M, Sato T, Suga R, Nankai M, Uchiyama M, Fujiwara S, Yuzuriha T, Ito J, Kodama K, Koseki K, Takazawa N, ... home - and examined each group s characteristics (i.e., background factors such as sex and age, psychiatric diagnosis and medical history, and methods of suicide attempt) and the severity and differences ... 12 January 2010 References Chiles JA, Strosahl KD: Managing suicidal emergencies: More on crisis and case management Clinical manual for assessment and treatment of suicidal patients American...

Ngày tải lên: 11/08/2014, 17:20

... 5-AAAGGATCCATGCGCTTAGCCTGCAAG GAAGATTAC CFSV strain amplified Location in the C-strain genomed BC unit C-E2-BC-r 5-AAACTCGAGTCAGAAAGCACTACCG BC unit C-E2-AD-f C-E2-AD-r 5-AAGGATCCATGCGGCTAGCCTGCAAG 5-TAGCTCGAGTCAATCTTCATTTTCCAC ... proteins of different strains affected binding and neutralization by a panel of mAbs [34] Single amino acid exchanges between a group vaccine strain LPC and a group field isolate could totally ... subgroup 1.1 vaccine C-strain widely used for prophylactic vaccination in China and two subgroup 2.1 strains recently circulating in China (strains QZ-07 and HZ1-08) CSFV vaccine C-strain was...

Ngày tải lên: 11/08/2014, 21:21

... presentation in International Conference of Young Researchers on Advanced Materials (ICYRAM), Singapore A J Danner and A Akbarzadeh, 2012, “Biaxial Anisotropy: A Survey of Interesting Optical Phenomena ... Phenomena in Graded Media”, Oral presentation in International Conference on Metamaterials, Photonic Crystals and Plasmonics (META), Paris, France A Akbarzadeh, C –W Qiu, and A J Danner, 2012, “Biaxial ... biaxial and uniaxial media in orthogonal coordinate systems Then we use the ray tracing process to determine the ray trajectories in different media Taking advantage of ray tracing in birefringent...

Ngày tải lên: 09/09/2015, 11:11

... technical and financial assistance on accounting techniques, financial practices (such as asset and liability management), project evaluation, and performance analysis, monitoring, managementinformation ... functioning and integrity of the circuit is the improvement of the quality and quantity of available information To the extent that financial institutions invest in reputational capital and financial ... Norman Loayza and Thorsten Beck, 1998, Financial Intermediation and Growth: Causality and Causes, June, mimeo Lindgren, Carl-Johan, Gillian Garcia and Matthew I Saal, 1996, Bank Soundness and Macroeconomic...

Ngày tải lên: 24/10/2012, 09:33

... now C .A plays an important role in learning a foreign language as a main subject at most language universals According to C James (1980;19), C .A is a form of inter-language study and a central concern ... like to introduce some features of contrastive analysis in learning a foreign language which has particular effect on analyzing a language and its equivalents in other languages and then the author ... 2.2.2 Gradable and non- gradable adjectives According to L G Alexander (1988, 108) adjectives can be also divided into gradable and non- gradable Gradable adjectives mean a large class of words...

Ngày tải lên: 10/04/2013, 14:46

... land is fixed in all periods, but the rental price can change according to changes in demand 3.2.3 Balance of payments and trade Changes in the balance of payments are also driven by trends in ... Textile and Apparel Barriers and Rules of Origin in a Post-ATC World Alan Fox U.S International Trade Commission, Washington, DC William Powers U.S International Trade Commission, Washington, DC Ashley ... the combined effect of tariffs and quantitative restraints Conclusion This paper has analyzed the effect of textile and apparel import barriers and regulations on U.S welfare and sectoral activity...

Ngày tải lên: 12/04/2013, 16:17

... the Department of Mechanical Engineering, College of Engineering (A) , Andhra University, Visakhapatnam, A. P., India She has completed her PhD in Heat Transfer and energy systems from Andhra University, ... 016050 at the 2001 ASAE California, USA July 30-August 1, 2001 Mohamed F Al-Dawody is currently working as Research Scholar, Department of Mechanical Engineering, College of Engineering (A) , Andhra ... University, India Her research interest in Energy and Thermal Engineering She contributed more than 30 papers in International / National Journals and Conferences E-mail address: sukhvinder_bhatti@yahoo.com,...

Ngày tải lên: 05/09/2013, 16:11