Báo cáo " Development of a spectrometry system Using lock-in amplification technique " doc

... system we can now obtain weak optical signals, for example, Raman Spectra of Vietnam petrol extracts excited by not only an 2W Argon laser but also by a 30mW He-Ne laser. Key words: Raman spectroscopy, ... goal is to build a spectrometry system to measure weak optical signals such as Raman scattering and surface SH signals. We studied to improve an old Double Grating Spectro...

Ngày tải lên: 05/03/2014, 14:20

... viewing and presenting the topographic data and the generated meshes. The package has been applied to the generation of 3D computational meshes used as the input of a computational fluid dynamics ... compressible atmospheric flows and air quality simulations. 4.1. The graphic user interface of the package The package is designed with a main interface that allows users to input...

Ngày tải lên: 14/03/2014, 13:20

... coast than that is in the central and north - east region. The deposition of the SPM at the bottom is more in the area near Ha Long, Bai Chay and Cat Ba coasts than it is in the central area. ... in Ha Long Bay and Hai Phong estuarine area. For all of these regions, the simulated fields of water circulation and water level show mostly well for as very complicated coastal and estuar...

Ngày tải lên: 13/02/2014, 12:20

... bus geodatabase with 5 feature classes. For managing the geodatabase, a set of tools extending the capabilities of ArcGIS software via COM (Component Object Model) interface has been created. ... geodatabase is created with a single feature dataset that contains 5 feature classes. The design of these feature classes is shown in Table 1. Based on the first 4 feature classes, a...

Ngày tải lên: 05/03/2014, 16:20

... that rainfall in dry season can decrease whereas rainfall in rainy season can increase and annual rainfall can increase in all research areas under the emission scenarios from highest (A1 FI), ... scenarios. 3. Developing climate change scenarios for small areas of Vietnam Based on software MAGICC / SCENGEN, we have built climate change scenarios for small areas of Vietnam such a...

Ngày tải lên: 05/03/2014, 16:20

... an utterance has (I) an abswact speech act type, (2) a type of manner, and (3) a propositional content Each sub-structure of the propositional content has (I) a lexical head, (2) a set of ... 2a~ Aarld new PROP symbols in the translate.act, txans-speaker and trans-hearer slots. [ japanese: JASA [speech-act-type: #sat~EQUEST, manner: #man=DIRECT, speaker: # j-sp-J-SPEA...

Ngày tải lên: 17/03/2014, 20:20

... English language which on average make up approximately half of written texts (Fry et al., 2000). Our system, CBSEAS, is a “standard” summa- rization system. We had to adapt it in order to deal with ... the passage, similarity to passages already selected for the summary, be- longing to a cluster or to a document that has al- ready contributed a passage to the summary. The problem...

Ngày tải lên: 31/03/2014, 20:20

... 0.25 g/l of CaOCl 2 added. The effect of concentration of CaO to the odor of wastewater was shown in Table 3. When the concentration of CaO increase, wastewater is transparence and odorless. ... mg/l of CaOCl 2 the factor of effluent was reached to B class of TCVN 5945-2005. After combination of results in tables 2, 3 and 4 we demonstrate that 120 mg/l of CaOCl 2...

Ngày tải lên: 12/02/2014, 17:20

... resources in space and time. Results of national and international research show that climate change impacts may increase the uncertainty of hydro-meteorological parameters, leading to more ... impacts reduces reliability of hydrological engineering calculation as well as accuracy of forecast and warning, leading to reduce operation efficiency of water regulation structures...

Ngày tải lên: 05/03/2014, 16:20

... dialogue move engines and dialogue systems based on the information-state update approach (TRINDI, 2001; Larsson and Traum, to appear). One of the goals of the information-state update approach ... A Dialogue System with Contextually Appropriate Spoken Output Intonation Ivana Kruijff-Korbayova i Elena Karagjosova l Kepa J. Rodriguez' Stina Ericsson' 'University of t...

Ngày tải lên: 17/03/2014, 22:20