Báo cáo hóa học: "Synthesis of SnS nanocrystals by the solvothermal decomposition of a single source precursor" pdf

... Lewis base alkylamine solvents promote the decomposition reaction of metal alkyl xanthates, thiocarbamates and thiocarbonates at relatively low temperatures. Indeed, the heating of the reaction ... bis(diethyldi- thiocarbamato) tin(II) in oleylamine at elevated tem- perature. The shape and size tunability of SnS NCs can be achieved by controlling the reaction temperature...

Ngày tải lên: 22/06/2014, 22:20

... band gap energy of the bulk semiconductor. The n value is 4 for indirect-gap materials. Values of the optical band gap for the samples were obtained by the extrapolation of the linear region of the ... Efrima et al. [24], Lewis base alkylamine solvents promote the decomposition reaction of metal alkyl xanthates, thiocarbamates and thiocarbonates at relatively low...

Ngày tải lên: 22/06/2014, 22:20

... the use for CLL patients of Natalizumab (TYSABRI, Biogen Idec, Cambridge, MA and Elan Pharmaceuticals, South San Francisco, CA, USA), a humanized anti-CD49d monoclonal antibody already available ... Onlus, Novara, Italy; Siena -A. I.L. Onlus, Siena, Italy; Associazione Italiana per la Ricerca sul Cancro (A. I.R.C.), Milan, Italy; Helmut Horten Foundation (Lugano, Swit- zerland); San S...

Ngày tải lên: 18/06/2014, 15:20

... frequent cleansing and checking of the skin which can lead to feelings of frustration and annoyance. The qualitative data from face to face focus groups in the US (the initial treatment satisfaction ... accompanied by large pores on the face.[5] The consequences of excess sebum may be associated with adverse psychological and social effects resulting from associated acne an...

Ngày tải lên: 18/06/2014, 19:20

... phase of gait. As the mechanical actuator increased the amount of assistance supplied to the center of mass, the magnitude of the largest Lyapunov exponent systematically increased for the hip and ... if the changes in the nonlinear structure of the hip joint were a result of normal torso control during the stance phase. Since the mechanical horizontal actu...

Ngày tải lên: 19/06/2014, 10:20

... enrichment and chromatography Increasing the fraction of solvent B as shown in Table 1 the analytes can be eluted from the RAM Phase and sepa- rated at the analytical column before detection. After all analytes ... (Michigan, USA). All analytical standards had chemical purity >98%. Acetonitrile was purchased from J.T. Baker (Germany), methanol (GC-grade), acetic acid (glacial, pr...

Ngày tải lên: 20/06/2014, 00:20

... achieves to successfully track the objects because it is able to compute and manage several hypotheses of object behaviors and data association. In this case, the marginal posterior pdfs of the ... N obj }. 6 Ancestral particle filtering of data association and object occlusions The posterior pdf on {a t , o t } is simulated by a set of N sam unweighted samples, also cal...

Ngày tải lên: 20/06/2014, 04:20

... viral encephalitis Rangaiah S Jayakeerthi* 1 , Raghava V Potula 1 , S Srinivasan 2 and S Badrinath 1 Address: 1 Department of Microbiology, Jawaharlal Institute of Post-graduate Medical Education ... Jayakeerthi* - srjkeerthi@yahoo.com; Raghava V Potula - raghava@potula.net; S Srinivasan - srinivasan@jipmer.edu; S Badrinath - sbadrinath@rediffmail.com * Corresponding author Abstract B...

Ngày tải lên: 20/06/2014, 04:20

... bio-degradable composites and as a source of raw materials for bio-energy and biochemical production. Wood pulp fibres have been applied as the raw material for the production of a fibrillated material, which ... homogenisation, the more fibrillated is the material. Higher degree of fibrillation can be indi- cated by an increase in the transparencies of the MFC mat...

Ngày tải lên: 21/06/2014, 03:20