redox titration of oxalic acid using potassium permanganate

Ngày tải lên: 07/07/2014, 00:20

Ngày tải lên: 16/03/2014, 14:20

Ngày tải lên: 12/08/2014, 05:20

... http://www.medsci.org 386 Limitations of this study include the low number of rats and the lack of use of various anti-adhesion agents. Our findings are also based on the result of macroscopic and histopathological ... Adhesions were scored as shown below: A) Length of adhesion: The length of adhesion before the first thoracotomy incision (mm). B) Scoring of the intensity of adhesion between the parietal pleura ... both macroscopically and microscopically. Using the findings of these analyses, the rats were further analyzed for the length of adhesion, intensity of adhesion score, pleural thickness, mesothelial...

Ngày tải lên: 25/10/2012, 11:00

... 2.7: Hiệu quả kích kháng của oxalic acid lên tỉ lệ diện tích vết bệnh trên lá (%) ở các thời điểm 40, 50 và 60 NSKS 42 Hình 2.8: Hiệu quả kích kháng của oxalic acid lên tỉ lệ bệnh thối cổ bông ... 2.13: Hiệu quả kích kháng của oxalic acid lên tỉ lệ diện tích vết bệnh trên lá (%) ở các thời điểm 40, 50 và 60 NSKS 50 Hình 2.14: Hiệu quả kích kháng của oxalic acid lên tỉ lệ bệnh thối cổ bông ... 2001) và mô học (Huỳnh Minh Châu và ctv,2001). 6. Đặc tính oxalic acid và tác động của nó đối với cây trồng Tên hóa học: OXALIC ACID Công thửc hóa học: Thường tồn tại ở dạng ngm 2 phõn t...

Ngày tải lên: 10/04/2013, 21:05

Ngày tải lên: 05/09/2013, 08:40

Ngày tải lên: 05/09/2013, 15:28

... inclusion of PCMs depend on the melting temperature of the PCM, the type of PCM, the percentage of PCM used inside the conventional material, the climate, design and orientation of construction of ... and Assistant Professor at the Department of Architecture, Thiagarajar college of Engineering, Madurai, Tamilnadu, India. Her field of research is Thermal Performance Evaluation of residential ... University of Technology, Australia in 2008. He is working as Assistant Professor at the Department of Civil engineering, Thiagarajar college of Engineering, Madurai, Tamilnadu, India. His field of research...

Ngày tải lên: 05/09/2013, 17:03

Ngày tải lên: 15/10/2013, 16:10

Ngày tải lên: 01/01/2014, 18:43

... solutions of linear equations. Technical Report 620, Institute of Computer Science, Academy of Sciences of the Czech Republic. 22. J. Rohn and G. Rex, feb 1996 Enclosing solutions of linear equations. ... convergence of the iterative scheme. The smaller the spectral radius of |[G]|, the faster the convergence of the algorithm and the smaller the overestimation of the solution. 4.2. TEST OF THE NEW ... point of view, and the others often encounter convergence problems. Moreover, only the mean value and the moments (often the variance only) are known, and since the density of probability of the...

Ngày tải lên: 12/01/2014, 21:45

... it will? This is the responsibility of testing (one of the most overlooked phases of development—just consider some of the software you have used). Each part of the system, starting with the individual ... hardware. ■ To be aware of how information is stored in binary form in computer memory. ■ To differentiate between system and application software. ■ To become aware of the seven phases of software development. ■ To ... can be pro- duced in seconds. Currently, software piracy (i.e., illegal copying of software) is report- edly costing software manufacturers billions of dollars every year. As more music and movies...

Ngày tải lên: 17/01/2014, 06:20

... 1 ME-430 INTRODUCTION TO COMPUTER AIDED DESIGN Vibration of Airplane Wing Using Pro/M Dr. Herli Surjanhata Use Notepad or Text Editor in Unix system to create...

Ngày tải lên: 19/01/2014, 05:20

... dinitrobenzoic acid (10 mm 3,5-dinitrobenzoic acid in 0.4 m Tris ⁄ HCl, pH 8.0), 10 l Lof parasite protein extract or 10 lL of PLA2 bee venom sup- plied by the kit as positive control, and 5 lL of the ... the processing of apicoplast protein leader sequence. Inhibition of any of these activities could contribute to MA interference in the maturation of the parasite. Polypharmacology of MA The observed ... of haemoglobin as a source of amino acids constitutes one of the essential processes which take place along the intra-erythrocytic stage of the parasite. Degradation of haemoglobin is performed...

Ngày tải lên: 14/02/2014, 14:20

... Cagliero 6. AN ASSESSMENT OF LONG TERM FEEDING OF AMINO ACID CHELATES 106 Robert B. Jeppsen SECTION 2 CATTLE 7. THE USE OF AMINO ACID CHELATES TO ENHANCE THE IMMUNE SYSTEM 117 Robert T. Coffey 8. THE USE OF AMINO ACID ... animals is coming of age. The advantage of using amino acids to chelate essential minerals and render them more biologically available to the animal offers greater possibilities to regulate the amount of a ... ions is dependent upon numerous factors, including the levels of the elements ingested, the age of the animal, Ph of the intestinal contents and environment, the state of the animal with respect to deficiency or adequacy of the element, and the...

Ngày tải lên: 15/02/2014, 16:20

... advantage of p53 mutation analysis, and a unique feature of this database, is the availabil- ity of the residual activity of the majority of p53 mis- sense mutants. The biological activity of mutant ... the size of a water molecule van der Waals’ radius is rolled over the protein surface Similarity of the surroundings* Measure of the percentage of amino acid residues inside a sphere of 5 A ˚ that ... Description of the 12 parameters used to predict the severity of p53 mutants. Asterisks denote parameters calculated using ICM. Parameter Explanation Accessibility* Percentage of amino acid residues...

Ngày tải lên: 18/02/2014, 11:20

... that RPTPa-D2 is important for the effects of oxidation and acts as a redox sensor [8,13,32]. Oxidation of RPTPa-D2, like PTP1B, results in the formation of cyclic sulfenamide at the catalytic site, ... role of oxidation in dimerization of a panel of four different RPTPs. We compared four RPTPs from different subtypes, i.e. RPTPa, RPTPl, CD45 and LAR. We found that the cytoplasmic domains of these ... ectodomains of LAR and RPTPl may drive homophilic interactions [35–38]. To remove con- tributions of the ectodomains to dimerization, we gen- erated chimeras consisting of the extracellular domain of...

Ngày tải lên: 18/02/2014, 17:20

... Robust Part -of- Speech Tagging Using Dynamic Model Selection Jinho D. Choi Department of Computer Science University of Colorado Boulder choijd@colorado.edu Martha Palmer Department of Linguistics University ... Yoram Singer. 2003. Feature-Rich Part -of- Speech Tagging with a Cyclic Dependency Network. In Proceedings of the Annual Conference of the North American Chapter of the Association for Computa- tional ... Proceedings of the 45th Annual Meet- ing of the Association of Computational Linguistics, ACL’07, pages 760–767. Anders Søgaard. 2011. Semi-supervised condensed nearest neighbor for part -of- speech...

Ngày tải lên: 19/02/2014, 19:20

... Modeling of the structure A computer based three-dimensional model of apo-TC was generated for visualization purposes on the basis of the amino acid sequence using the ab initio modeling ... effect on the functional activ- ity of TC. Arrows show the hypothetical movement of the domains after attachment of Cbl, see the main text. Mapping of transcobalamin using antibodies S. N. Fedosov ... the involvement of the other parts of TC in Cbl binding. However, we do not think that ligand binding occurs exclusively at the C-terminus of TC. Conjugation of a Cbl derivative to TC [10], analysis of alignments...

Ngày tải lên: 20/02/2014, 01:20

... x. By relating the sum of the scores of all possible trees to counting the number of spanning trees in a graph, it can be shown that Z x is the determinant of the Kirchoff matrix K, which is ... marginal probability of a particular edge k → i (i.e. y i =k), the score of any edge k  → i such that k  = k is set to 0. The determinant of the resulting modi- fied Kirchoff matrix K k→i is then the sum of ... basic types of linguistic knowledge. One simple form of linguistic knowledge is the set of possible parent tags for a given child tag. This type of constraint was used in the devel- opment of a rule-based...

Ngày tải lên: 20/02/2014, 07:20