Báo cáo " Anharmonic effective potential and XAFS cumulants for hcp crystals containing dopant atom " potx

... Morse potential ( a ) and anharmonic effective potential ( b ) for Zn doped by Cd atom. The Morse potential for this case has the same form as for the pure material, the anharmonic effective potential ... Science, Mathematics - Physics 23 (2007) 28-34 28 Anharmonic effective potential and XAFS cumulants for hcp crystals containing dopant atom...

Ngày tải lên: 14/03/2014, 13:20

... [1] for Zn. 4. Conclusions In this work a new method for calculation and analysis of anharmonic effective potential, effective local force constant, three leading cumulants, and EXAFS for hcp ... of anharmonic EXAFS and its parameters. The calculated anharmonic effective potentials for Zn and Cd are compared to experiment and to their harmonic components...

Ngày tải lên: 14/03/2014, 13:20

... Formalism 2.1. Anharmonic effective potential and effective force constant The anharmonic effective potential for the pure materials [3, 5-8] is now generalized to the case with a dopant atom ... new procedure for calculation and analysis of dispersion relation and real atomic vibration of fcc crystals containing dopant atom has been developed using an...

Ngày tải lên: 14/03/2014, 13:20

... carried out for upstream protection land (UPL), production forest land (PFL), convertible land (CL), cultivated land and plain as shown in Table 4. The results show that high erosion potential ... categorize the erosion potential of the convertible land area in Binh Dinh (in reality, the upstream protection land and the production forest land had been planned for growing for...

Ngày tải lên: 13/02/2014, 12:20

... structures for rela- tional learning from questions and answers. We designed sequence kernels for words and Part of Speech Tags which capture basic lexical seman- tics and basic syntactic information. ... efficiently and effectively deriving tacit semantic informa- tion from text. Large data resources annotated with levels of semantic information, such as in the FrameNet (Johnson...

Ngày tải lên: 22/02/2014, 02:20

... representative for the frequently occurring ones and representative for high O 3 . In general for Hanoi, the episode days were characterized with light winds, clear skies. 3.2. Data collection and processing ... (PBN), hydrogen peroxide (H 2 O 2 ), formic acid (HCOOH), and other trace substances. They are collectively termed photochemical oxidants with ozone and PAN, an...

Ngày tải lên: 05/03/2014, 16:20

... monomer. Monomers A (green) and B (yellow) form dimer 1, while monomers C (red) and D (blue) form dimer 2. L5 ⁄ 7, the loop between b-strands 5 and 7 which contains b-strand 6; N term, amino terminus ... quartz cuvette containing 0.2 mgÆmL )1 p26 in 10 mm NaH 2 PO 4 , pH 7.1, was employed, and three scans were averaged for each spectrum. Bandwidth was 2 nm, with all scans correc-...

Ngày tải lên: 07/03/2014, 12:20

... original and functional BMP ⁄ activin path- way in lophotrochozoans, for which a singular and promiscuous type II receptor would be the shared interface for both BMP and activin ligands. Results Type ... pleiotropic and promis- cuous receptor. Evidence for the conservation of the mechanism of mesoderm induction in molluscs and across bilaterians Although Lartillot and collea...

Ngày tải lên: 07/03/2014, 21:20

... 15±18mer, and 200 U of M-MLV reverse transcriptase. First-strand syn- thesis was performed at 42 °C for 45 min a nd then the enzyme was inactivated at 90 °C for 5 min. Following ®rst- strand synthesis, ... 1 m M NaCl and diacylglycerol (0.3 mgámL )1 ). The puri®cation proce- dure i ncluded chromatography o n Biogel HTP and t wo chromatographic steps on Q-Sepharose, performed at pH 7...

Ngày tải lên: 08/03/2014, 16:20

... tree. For each verb lemma, associated duration information was collected for episodic and habitual uses of the verb. Summary statis- tics for 483 verb lemmas and their typical habit and episode ... information about common events. For example, (1) and (2) were used to pro- vide information about how long a work event can last: (1) Had work for an hour and 30 mins now...

Ngày tải lên: 16/03/2014, 20:20