Tài liệu Báo cáo " Deodorization of food wastewater by using strong oxidants " pdf

... VNU Journal of Science, Natural Sciences and Technology 25 (2009) 30-34 30 Deodorization of food wastewater by using strong oxidants Le Duc Manh Food Industries Research Institute ... choice. Keywords: Food processing wastewater, wastewater treatment, deodorization, oxidant. 1. Introduction∗∗∗∗ Wastewater from food processing enterprises contains large amount of organic compounds. ... Oxidization of odors by using strong oxidants which contain oxygen, chlorine and Mg molecules was the best choice with high effect and low cost [8]. 2. Materials and Methods Wastewater Wastewater...

Tài liệu Báo cáo " Flora of the Research Forest in Yen Tu, Quang Ninh " docx

... 577 (86.0%) of species, 340 (85.0%) of genus and 110 (83.0%) of family, meanwhile the Monocotyledonae are included by 93 (14.0%) of species, 58 (15.0%) of genus and 23 (17.0%) of family, respectively ... conservation of plant species.* The Research Area is located within the borders of the North by Son Dong district (Bac Giang province), in the East by Vang Danh village, in the West by Trang ... Journal of Science, Natural Sciences and Technology 23 (2007) 194-199 196 Table 1. The dispertion of taxa into large taxonomic groups Number of families Number of genera Number of species...

Tài liệu Báo cáo " Effecting of medium composition on biomass and ginsenoside production in cell suspension culture of Panax vietnamensis Ha et Grushv " doc

... Paek Kee Yoeup3 1Department of Biology, College of Science, VNU, 334 Nguyen Trai, Hanoi, Vietnam 2Department of Agroforestry, Dalat University 3Department of Horticulture, Chungbuk National ... as that of cultivated ginseng root. In a 30-liter jar fermentor culture, the increase of the growth ratio and dry weight were not accompanied by an increase of the saponin content. Using MS ... production of ginseng saponin and polysaccharides by suspension cultures of Panax ginseng were observed by [4]. The results indicated that the specific production (content) of ginseng polysaccharide...

Tài liệu Báo cáo " Occurrences of microcystis spp. and microcystins in some cyanobacterial blooms in freshwater bodies in Vietnam " docx

... Hoan Kiem (Ha Noi). The results of the quantitative analyses of Microcystis spp. and screening of microcystin by ELISA in the water are presented. The cell density of Microcystis spp. ranged from ... sub-samples of 100 mL were collected and fixed by Lugol acid solution. The ones of 1.5 mL were collected in Eppendorf tubes and were kept at -18 ºC for toxin analysis. Examination of samples: ... the perception of water quality, and the prioritisation of eutrophication control., Ecological Engineering 16(1) (2000) 51. [4] I.R. Falconer, An overview of problems caused by toxic blue-green...

Tài liệu Báo cáo " Effect of Sweet potato (Ipomoea batatas (L.) Lam) leaf extract on hypoglycaemia, blood insulin secretion, and key carbohydrate metabolic enzymes in expermentally obese and STZ-induced diabetic mice " pptx

... 330million by 2025 [1]. Abnormalities in blood lipid profile are the cause by origin and simultaneously the most common complication of DM. Besides drugs classically used for the treatment of diabetes ... mean ± S.E.M. Statistical significance of the difference between groups was determined by analysis of variance (ANOVA) followed by Ducan’s test. A value of p< 0.5 was considered to be statistically ... Development of HFD-fed and STZ-induced type 2 diabetic mice After 6 weeks of dietary manipulation, a subset of the mice from each dietary group was injected intraperitoneally (i.p) STZ with dose of...

Tài liệu Báo cáo "Effect of the preparation conditions on the properties of Fe-Pt nanoparticles produced by sonoelectrodeposition " pptx

... composition of Fe-Pt particles can be controlled by changing the concentration of Fe and Pt ions in the electrolyte and the deposition voltage. The particle size can be adjusted by the time of deposition. ... duration ton of the current pulse was 0.5 – 0.8 s then the current was turned off for a fixed duration toff of 0.5 s. During ton, FePt nanoparticles were deposited on the surface of the electrode ... under H2 atmosphere. The structure of the nanoparticles was analyzed by using a Bruker D5005 X-ray diffractometer (XRD). Magnetic measurement was conducted by using a DMS-880 sample vibrating...

Tài liệu Báo cáo " Survey of WO3 thin film structure built on ito/glass substrates by the Raman and xrd spectroscopies" doc

... decrease of the magnitude of peak (200) and a raise of peak (001). Moreover, peak (020) is shown obviously in the case of 250 nm. When the ITO layer have a thickness about 300 nm, a growth of WO3 ... and because of the heteroepitaxial growth of films WO3 in which the parameters of plane ITO (440) are slightly larger than the ones of WO3 planes. The relation between shifts of XRD peaks ... size of WO3 film were determined by Scherrer equation and all of them valued in 30 nm to 35 nm. 3.2. Micro – Raman Studies Due to structural modifications of WO3 films, deposited on of ITO...

Tài liệu Báo cáo " STABILITY OF THE ELASTOPLASTIC THIN ROUND CYLINDRICAL SHELLS SUBJECTED TO TORSIONAL MOMENT AT TWO EXTREMITIES " pptx

... mentionedproblem has been solved by approach simulation of instability form of the cylinder (see[1],[5]). In this paper, the solution of problem in the real bending form of structure hasbeen found. ... form of solution in [3], weﬁnd the real deﬂection δw in formδw = A1cosπxLcosnR(y + γx), (3.1)where γ is the tangent of skew angle of summit of waves in comparison with the generatrix of ... that time an instability of the structure appears. We usethe criterion of bifurcation of equilibrium states to study the proposed problem.2. Fundamental equations of the stability problem2.1....

Tài liệu Báo cáo " Determination of the annual beta dose by meaming beta activity using the liquid scintillation technique " ppt

... VNU Journal of Science, Mathematics - Physics 24 (2008) 36-41 36 Determination of the annual beta dose by meaming beta activity using the liquid scintillation technique ... environmental gamma dose rate by using the radiometer of the type CΡΠ-68-01 (Figure 1). The instrument used in this experiment is CΡΠ-68-01 (USSR). A cylinder-shape detector NaJ(Tl) of the size 30mm x ... was of the Ultima Gold AB series of DIN–based cocktails. This cocktail was designed specifically, for alpha/beta separation, by the Packard Instrument Company with an aqueous concentration of...

Tài liệu Báo cáo " Mechanism of forming the Dien Bien basin " pdf

... geological structure of the basin, as well as the theory of basin-forming regime to figure out the mechanism of formation and development of this basin. 2. Activity of the Dien Bien – Lai ... borehole at the depth of 160m in the central part of basin. This is a product of tectonic activities of the Dien Bien - Lai Chau fault zone in Pliocene-Quaternary time and is one of the bases for ... and covered by unconsolidated Quaternary sediments. 3. Geological structure and formation of the Dien Bien basin The geological structure of the Dien Bien basin is composed of 2 main parts:...

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