Báo cáo "The effect of Cu concentration in soil and phosphorous fertilizer on plant growth and Cu uptake by Brassia juncea L grown on contaminated soils " doc

... high level of Cu concentration. 3.2. Relationship between content of Cu 2+ in soil with plant growth and Cu accumulation in plant The relationship between Cu concentration in soil and biomass ... of Cu in soil and Cu accumulation in plant, and also the role of phosphate in reducing the uptake of Cu by Brassica juncea L....

Ngày tải lên: 14/03/2014, 15:20

... (511) and (440). These planes are indications of the presence of a spinel cubic structure. The diffraction lines corresponding to a cubic, spinel-type and crystalline phase provides clear evidence ... number. Since each primitive unit cell of the spinel structure contains 8 molecules, the X-ray density, ‘D X ’ was determined according to the following relation and is shown in...

Ngày tải lên: 13/02/2014, 04:20

... not affected by increasing concentrations of Gly, but was completely abolished by intermediate and high concentrations of Lys-HCl, and was inhibited by Gdn- HCl in a concentration- dependent manner ... aggregated into inclusion bodies [6,7]. In suppressing aggregation, these small molecules act by weakening the hydrophobic in- termolecular interactions between unfolded...

Ngày tải lên: 18/02/2014, 16:20

... collection. The collection consists of document set, topic set and the relevance judg- ment file. The document set contains articles published in People's Daily from 1991 to 1993, and ... translation 2). This is to alleviate the bias on translation evaluation introduced by only one reference translation. An example of title query and its reference translations are s...

Ngày tải lên: 17/03/2014, 04:20

... role of color luminescence centers Cu, Mn, Co in the semiconductors with wide band gap of ZnS, ZnO and test application of ZnS :Cu material. 2. Samples and experimental devices Bulk samples of ... ions and vacancies of Zn in ZnO crystal. With the increasing of concentration of Co beyond 10 -1 mol%, interaction can occur between Co 2+ ions and ions of the...

Ngày tải lên: 22/03/2014, 11:20

... parametric resonance and transformation (PRT) of same kinds of excitations such as phonon-phonon, plasmon-plasmon, or of different kinds of excitations, such as plasmon-phonon will arise; i.e., ... respectively and n e are the energy levels of an individual well. In order to establish a set of quantum kinetic equations for acoustic and optical phonons, we use equatio...

Ngày tải lên: 22/03/2014, 11:20

... also, only one of the two syllables of Sino and Sino-Vietnamese toponym has historically phonetic (and lexical in some cases) relationship with the Nôm word. The historically phonologic closeness ... critical role as a spine of historical and cultural life of Ha Noi, the millennium-civilized capital, as well as of the entire Tonkin Delta. The river’s truck stream flowing...

Ngày tải lên: 27/02/2014, 03:20

... of one or another type of personality” (p.6-7) Whereas sociological ambivalence in conceptualized as resulting from conflicting social roles and norms, cultural ambivalence pertains to conflicts ... feelings. Merton and Barber (1976) described the sociological ambivalence as follows: “ the ambivalence is located in the social definition of roles and statuses, not in...

Ngày tải lên: 14/03/2014, 14:20

... har- vested and washed in ice-cold water and then in ice-cold 1.0 m sorbitol, before being resuspended in 0.6 mL of ice- cold 1.0 m sorbitol. An 80-lL aliquot of cells was added to 5–10 lg of DNA and ... following electroporation. Transformants were screened for histidine prototrophy and then for multiple integration of the plas- mid by plating on increasing concentr...

Ngày tải lên: 15/03/2014, 23:20

... expression of () jt r into the expression of α in Eq.(4). Using properties of Bessel function and realizing calculations, we obtain the nonlinear absorption coefficient of a strong EMW by confined ... Conclusion In this paper, we have obtained analytical expressions for the nonlinear absorption of a strong EMW by confined electrons in RQW for two cases of electro...

Ngày tải lên: 22/03/2014, 11:20