comparative corrosion resistance of selected elastomers
Improving the corrosion resistance of buried steel by using
Ngày tải lên :
27/04/2015, 09:06
... Examination of the performance of the buried PANi coated steel against corrosion Potentiodynamic examination (Tafel test) was used for the examination of the corrosion resistance of PANi coated ... different concentrations of NaCl Figure shows that the corrosion current of all test samples of PANi coated steel is less than that of uncoated steel Figure shows that the corrosion rate has been ... higher corrosion rate at higher moisture content CONCLUSIONS This work investigated the possibility of improving the corrosion resistance of buried steel by coating steel with a layer of polyaniline...
- 11
- 284
- 0
Standard Test Methods forPitting and Crevice Corrosion Resistance of StainlessSteels and Related Alloys by Use of Ferric ChlorideSolution
Ngày tải lên :
13/01/2016, 17:51
... Maximum pit depth on edges of specimens Number of attacked sites on each side of the specimen, Methods D and F Maximum depth of crevice corrosion Average depth of crevice corrosion cm Machined As ... washers, each having a number of grooves and plateaus, shall be used The crevice design shown in Fig is one of a number of variations of the The sole source of supply of the apparatus known to the ... comparing the resistance of stainless steels and related alloys to the initiation of pitting and crevice corrosion The results may be used for ranking alloys in order of increasing resistance to...
- 11
- 678
- 0
Báo cáo y học: " Comparative effects of selected non-caffeinated rehydration sports drinks on short-term performance following moderate dehydration" pot
Ngày tải lên :
11/08/2014, 23:21
... Snell et al.: Comparative effects of selected noncaffeinated rehydration sports drinks on short-term performance following moderate dehydration Journal of the International Society of Sports Nutrition ... pressure, reduced filling of the heart, elevation of core temperature, and depletion of electrolytes such as sodium, and possibly potassium Information is scarce on the impact of rehydration on short-term ... available at baseline Snell et al Journal of the International Society of Sports Nutrition 2010, 7:28 http://www.jissn.com/content/7/1/28 Page of Figure Effects of rehydration with Crystal Light, Gatorade,...
- 8
- 251
- 0
Báo cáo y học: "A Comparative Effectiveness Study of Bone Density Changes in Women Over 40 Following Three Bone Health Plans Containing Variations of the Same Novel Plant-sourced Calcium"
Ngày tải lên :
25/10/2012, 11:10
... 18 20 21 Conflict of Interest The authors have declared that no conflict of interest exists 22 References [Internet] The Office of Dietary Supplements - National Institutes of Health Promoting ... Strategic 23 Plan for the Office of Dietary Supplements 2004-2009 http://ods.od.nih.gov/pubs/SP10B.web.pdf [Internet] Washington, DC: Department of Health and Human Services, Office of the Surgeon General ... transition: evidence of a beneficial effect of calcium, alcohol, and fruit and vegetable nutrients and of a detrimental effect of fatty acids Am J Clin Nutr 2004; 79:155-165 76 New SA: Intake of fruit and...
- 12
- 663
- 0
Some aspects of American culture and society in the twentieth and twenty-first centuries through a number of selected short literary works
Ngày tải lên :
07/11/2012, 15:01
... greediness is for the sake of my students’ advantages When their teacher of English has a thorough understanding of one of the target cultures, the students would benefit Instead of being taught about ... worthy piece of literary work often come from real life Therefore, it can be understood that literature is a tool for the reflection of life and for the expression of viewpoints of the writers ... to the understanding of the underlying ideas of the author as well as the cultural features and social aspects of the time Like other types of story, a short story consists of five elements: -...
- 49
- 785
- 1
FATTY ACID COMPOSITION INCLUDING TRANS FATTY ACIDS CONTENT OF SELECTED VIETNAMESE INSTANT NOODLES
Ngày tải lên :
28/08/2013, 16:28
... nature of the damage to the nutritive value of some vegetable oils from heat treatment II Investigation of the nutritiousness of the products of thermal polymerization of linseed oil The Journal of ... temperature, type and quality of oils, and the reuse of oils All of these factors affect the resulting TFA content of the fat in instant noodles However, the results also indicate that selected Vietnamese ... use of solid fats, often obtained by hydrogenation of refined vegetable oils Polyunsaturated fatty acids have beneficial effects on both normal heath and chronic diseases, such as regulation of...
- 9
- 433
- 0
Comparative decolorizing efficiency of textile dye by mesophilic and thermophilic anaerobic treatments
Ngày tải lên :
05/09/2013, 09:38
... production, TOC reduction, together with the reduction of dye were investigated The obtained results of decolorization of 100mgL-1 of RB4 and 200mgL-1 of MO used in the experiment were compared with ... and presence of dye was associated with inhibition of organic matters conversion pathways caused by of the accumulation of volatile fatty acids in the treatment system In the case of temperature ... were inhibited by the presence of MO which resulted in slow reduction of TOC, while the presence of RB4 inhibited methane productivity TOC reduction of treatment of RB4 was similar to the control...
- 10
- 405
- 0
The Use of Selected Medicinal Herbs for Chemoprevention and Treatment of Cancer, Parkinson’s Disease, Heart Disease, and Depression
Ngày tải lên :
25/10/2013, 05:20
... damage of DNA; (2) oxidations of unsaturated fatty acids in lipids; (3) oxidations of amino acids in proteins; and (4) inactivation of specific enzymes through oxidation of catalytic cofactors ... result of the anionic groups acting as “affinity tags” for membrane-associated transporters of the multidrug resistance protein (MRP) family These proteins are members of the larger family of ATP-binding ... distribution of conjugated forms of phenolic compounds among berry species of the same family were confirmed, but differences in chromatographic profiles of conjugates and compositions of aglycones...
- 57
- 683
- 0
Tài liệu Color Atlas of Pharmacology (Part 25): Therapy of Selected Diseases pptx
Ngày tải lên :
15/12/2013, 13:15
... conditions of license Therapy of Selected Diseases p Diastole Systole Vol p Vol Resistance vessels Venous capacitance vessels Preload Afterload Nitrate tolerance O2-supply O2-demand Relaxation of coronary ... Effects of nitrates p Rest Caantagonists Sympathetic system Relaxation of resistance vessels β-blocker Rate Afterload Contraction velocity O2-demand 309 Relaxation of coronary spasm B Effects of Ca-antagonists ... treatment of acute myocardial infarction Lüllmann, Color Atlas of Pharmacology © 2000 Thieme All rights reserved Usage subject to terms and conditions of license yes 312 Therapy of Selected Diseases...
- 26
- 637
- 0
Tài liệu Handbook of SPECIALTY ELASTOMERS pptx
Ngày tải lên :
19/02/2014, 09:20
... Klingender/Handbook of Specialty Elastomers DK4127_C000 Final Proof page i 23.10.2007 7:54pm Compositor Name: TSuresh Handbook of SPECIALTY ELASTOMERS Robert C Klingender/Handbook of Specialty Elastomers ... to that of NR, SBR, or NBR Tear resistance of CR vulcanizates is better than that of SBR Tear propagation resistance of CR vulcanizates containing active silica may be greater than that of those ... Klingender/Handbook of Specialty Elastomers DK4127_C001 Final Proof page 26 22.10.2007 3:34pm Compositor Name: BMani 26 Handbook of Specialty Elastomers TABLE 1.10 Comparison of Typical Vulcanizate Properties of...
- 572
- 919
- 2
Using a Spend Analysis to Help Identify Prospective Air Force Purchasing and Supply Management Initiatives - Summary of Selected Findings potx
Ngày tải lên :
06/03/2014, 16:20
... standardization Lack of economies of scale or scope or tradeoffs among them Lack of economies of scale or scope or tradeoffs among them Separate pots of funding Separate pots of funding Payoffs from competition ... Spend USAF Currently “Segments” Its Spend by Type of Purchase Office by Type of Purchase Office Commodity Commodity Purchase Office Purchase Office Weapons Weapons AFMC/AAC, ASC, ESC, SMC AFMC/AAC, ... conduct a spend analysis, or an analysis of expenditures along a number of dimensions, such as type of commodity and supplier, number of contracts and amount of expenditures, and other variables...
- 105
- 394
- 0
Báo cáo khoa học: Site-directed mutagenesis of selected residues at the active site of aryl-alcohol oxidase, an H2O2-producing ligninolytic enzyme pot
Ngày tải lên :
07/03/2014, 11:20
... 50% of them clustered together in front of the rectus (re)-face of the isoalloxazine ring of the FAD cofactor This substrate location is shown in Fig 2A, which includes the 10 molecules of veratryl ... hydroxyl group in Ca, representative of the range of AAO substrates [9,19,33] Most of these alcohols docked in front of the re-side of the isoalloxazine ring of FAD [34], with the benzylic ˚ carbon ... [21], currently consists of more than 500 protein sequences All of them show at least one of the two characteristic Prosite sequences (PS000623 and PS000624 motifs) and often an N-terminal consensus...
- 11
- 471
- 0
Prediction of Reflection Cracking Resistance of Reinforced Asphalts - Dr Binh Vuong (ARRB/Swinburne Uni) pot
Ngày tải lên :
07/03/2014, 11:20
... flexible pavements that can significantly shorten fatigue life of asphalt overlays www.arrb.com.au Building on 50 years of road research Use of asphalt reinforcing materials (ARM) Theoretically, ARMs ... Steel mesh Building on 50 years of road research Constructability and predictability of ARMs MAJOR ISSUES NEED TO BE ADDRESSED www.arrb.com.au Building on 50 years of road research Overseas experience ... routine practical use) www.arrb.com.au Building on 50 years of road research Australian experience • • Slow usage of ARMs to date due to issues of availability, constructability and predictability Trialled...
- 31
- 259
- 0
ANTIBIOTIC RESISTANCE OF ESCHERICHIA COLI ISOLATED FORM POULTRY WORKERS, PATIENTS AND CHICKEN IN THE EASTERN PROVINCE OF SAUDI ARABIA ppt
Ngày tải lên :
08/03/2014, 09:20
... Table Comparison of pattern of resistance of E coli isolates from chicken and patients E coli-chicken isolates E coli-patient isolates t-test Drugs No tested % resistance No tested % resistance P-value ... coefficient of 0.7448 (P ϭ 0.021) However, resistance rates to individual drugs in E coli isolated from patients remained significantly lower than those of E coli chicken isolates with the exception of resistance ... 0157: H7 as a model of entry of a new pathogen into the food supply of the developed world Epidemiological Review 18, 29–51 Aronson AL (1975) Potential impact of the use of antimicrobial drugs...
- 6
- 326
- 1
Báo cáo khoa học: Comparative structure analysis of proteinase inhibitors from the desert locust, Schistocerca gregaria pptx
Ngày tải lên :
08/03/2014, 10:20
... indicative of a number of intersheet hydrogen bonds in both of the molecules The exchanging properties of the amide protons of SGCI[L30R, K31M] are very similar to that of SGCI Both the amide proton of ... Backbone of 10 superimposed structures of SGCI (A) and 10 superimposed structures of SGTI (B) Schematic representation of the secondary structure elements and the disul®de bonding pattern of SGCI ... selectivity of PMPD2 To quantitavely address the question of the role of internal ¯exibility of the inhibitors will need 15N relaxation experiments CONCLUSION We have determined the solution structure of...
- 11
- 391
- 0
A REVIEW OF SELECTED PERSISTENT ORGANIC POLLUTANTS potx
Ngày tải lên :
14/03/2014, 19:20
... production of a broad array of products ranging from polyvinylchloride (millions of tonnes per year) to solvents (several hundreds of thousands of tonnes) to pesticides (tens of thousands of tonnes) ... other parts of the globe, the result of this is a net accumulation of persistent organic pollutants in the polar regions (Figure 2) 3.2.2 Influence of environment on movement Some of the above ... health impact include an episode of HCB poisoning of food in south-east Turkey, resulting in the death of 90 % of those affected and in other exposure related incidences of hepatic cirrhosis, porphyria...
- 149
- 1.9K
- 0
Pulmonary Tuberculosis: Knowledge, Attitudes and Practices of Selected Physicians in a Tertiary-Care Hospital docx
Ngày tải lên :
15/03/2014, 03:20
... particular question, as there had been no encounter of drug resistance (Table 8) Table Course of action of respondents to suspected drug -resistance* Course of action Add drugs and re-evaluate Add drug ... not recommended as part of routine evaluation because of its cost and areas of limited technical facilities The problem of cost of TB culture may be the reason why only 48% of pulmonary specimens ... found a high rate of drug resistance to isoniazid at 14.9% while that resistance to rifampicin was 4.3%; these are two of the first-line drugs for tuberculosis The presence of resistance to both...
- 10
- 517
- 1
ECONOMIC DIVERSIFICATION IN AFRICA: A Review of Selected Countries pdf
Ngày tải lên :
17/03/2014, 08:20
... Background Angola is located south of the Democratic Republic of the Congo, straddling the mouth of the Congo River at the southern end of the arc of the Gulf of Guinea oil and gas fields, in an ... Infrastructure 2.01 Quality of overall infrastructure 35 2.02 Quality of roads 39 2.03 Quality of railroad infrastructure 28 2.04 Quality of port infrastructure 41 2.05 Quality of air transport ... receiving attention in the AU process of Rationalisation of Regional Economic Communities The overlap offers 32 ECONOMIC DIVERSIFICATION IN AFRICA: A REVIEW OF SELECTED COUNTRIES © OECD, United Nations...
- 70
- 305
- 0
HealtH education PrinciPles in Patient education: A literature review of selected health education principles used in patient education pdf
Ngày tải lên :
22/03/2014, 15:20
... address the problem of health professionals’ lack of training in health educational methods “The role of the facilitator often requires the learning of new skills therefore the details of the training ... placed the challenge of working on participant-centric treatment of patients in this study on the professionals Paterson concludes that professionals often have a naive impression of how to achieve ... opposite of participation, namely a kind of acquiescence and surrender on the part of the patient, in any case if sticking with the traditional understanding of compliance Even so, participation is often...
- 67
- 326
- 0
Báo cáo khoa học: Comparative biochemical characterization of nitrile-forming proteins from plants and insects that alter myrosinase-catalysed hydrolysis of glucosinolatesk docx
Ngày tải lên :
23/03/2014, 11:20
... hydrolysis of allyl glucosinolate, but the proportion of epithiopropyl cyanide declined relative to the amounts of other hydrolysis products (Table 1) Irrespective of whether ESP is a protein cofactor ... binding of ESP; W1, wash step after binding of ESP; L2, flow-through after loading of plant extract containing myrosinase; W2, wash step after loading of plant extract; E1–E3 eluted fractions of ESP ... presence of both Fe2+ and Fe3+ [24], whereas no effect of Fe2+ on the activity of ESP in Crambe abyssinica seeds was found [25] To investigate whether or not the impact of iron on the activity of the...
- 15
- 394
- 0