Báo cáo " Silver nanoparticles prepared by laser ablation and their optical characteristics " pptx

... of silver nanoparticles prepared by laser ablation (a) and by chemical reduction (b). Fig . 5 . Absorption spectra of silver nanoparticles produced by laser ablation in a 0.003, 0.01 and ... of silver particles produced by chemical reduction shifted to 440 nm as compared to 400 nm by laser ablation. The peak width of silver nanoparticles by las...

Ngày tải lên: 22/03/2014, 11:20

... sentence x and a parse tree y, we defined the feature representation by finding the sequence ((S 1 , I 1 ) , a 1 ) , ((S 2 , I 2 ) , a 2 ) . . . of states and their corresponding actions, and creating ... of the shift–reduce al- gorithm and creates a projective and acyclic graph. As w ith the regular shift–reduce, it uses a stack S and a list of input words W , and builds the...

Ngày tải lên: 20/02/2014, 12:20

... L., Huber, R. & Wiegand, G. (1996) Carbohydrate and p rotein-based inhibitors of porcine pancreatic a-amylase: structure analysis and comparison of their binding characteristics. J. M ol. ... staple food and a source of dietary p rotein in many countries. These seeds a re rich in protein, carbohydrate and lipid and therefore suffer extensive predation by bruchids (weevils)...

Ngày tải lên: 21/02/2014, 03:20

... segmentation candidate. By this, the collocation tends to have priority over the ordi- nary word. The standard and initial value of each segment cost is 2, and it is increased by 1 for each ... Scale Collocation Data and Their Application to Japanese Word Processor Technology Yasuo Koymna, Masako Yasutake, Kenji Yoshimura and Kosho Shudo Institute for Informalion and Con...

Ngày tải lên: 08/03/2014, 05:21

... unre- stricted language input and support exper- imentation with different tutorial planning and dialogue strategies. Our first system evaluation used two different tutorial poli- cies and demonstrated that ... misconceptions many students share, providing step -by- step scaffolding and potentially suggesting additional problems. The disadvantage is a lack of adaptivity and gen- eral...

Ngày tải lên: 17/03/2014, 00:20

... t i and is estimated by using Good-Turing estimation (Gale and Samson, 1995). If the word, w i is an unknown word, k i is set to 0 and the first term is ignored. e i represents suffix of w i and ... (line 4) is smoothed by using Jelinek and Mercer’s interpola- tion method (Jelinek and Mercer, 1980) along the ancestor nodes. The interpolation parameters are estimated by deleted...

Ngày tải lên: 31/03/2014, 03:20

... for computational linguistics. Introduction Language is shaped not only by grammar, but also by the cognitive processing of speakers and addressees, and by the medium in which it is used. These forces have, until recently, ... data. Organized efforts such as LDC and ELRA have assembled large and varied corpora of speech and text, making them widely available to researchers an...

Ngày tải lên: 31/03/2014, 04:20

... ventilators were also tested in our study, and in contrast with those studied by Wallin and colleagues they showed significant and hazardous GRPS incidents and one light UMTS incident. There are ... violated by healthcare workers themselves to improve patient care by better communication [8]. Critical incidents caused by mobile phones are probably rare but are potentially leth...

Ngày tải lên: 25/10/2012, 10:35

... sustainable land use. Spatial organization of land use and environmental protection by functional sub-areas is performed on the basis of comprehensive and integrated research on characteristics and ... Uong Bi area and Quang Ninh Province, a spatial organization of land use and environmental protection by sub-areas has been proposed. • Yen Tu tourist and medium mountain...

Ngày tải lên: 13/02/2014, 12:20