surface treatment and coating technology

... fluids used and the waste material from various surface treatment processes are among important factors to be considered 12 Institut Teknologi Bandung MECHANICAL SURFACE TREATMENT AND COATING 13 ... Bandung Perlakuan Permukaan untuk Berbagai Logam Metal Treatment Aluminum Chrome plate; anodic coating, phosphate; chromate conversion coating Beryllium Anodic coating; chromate conversion coating ... wear, erosion, and indentation (slideways in machine tools, wear surfaces of machinery, and shafts, rolls, cams, and gears) Control friction (sliding surfaces on tools, dies, bearings, and machine...

Ngày tải lên: 12/03/2014, 17:52

... whole image, (b) and (c) are enlarging part of hexagonal nano-sheet and surface ZrO2 particle, respectively (d) and (e) are EDXs spectra for ZrO2coated NiO without and with surface ZrO2, respectively ... reacted with the surface hydroxyl groups of the Ni(OH)2: Nisurface À ðOHÞ þ ZrðOC3 H7 Þ4 ! Nisurface À O À ZrðOC3 H7 Þ3 þ C3 H7 OH ð1Þ In Eq 1, Nisurface represents the Ni2+ ions on the surface of ... (NSC-94-2120-M-011-002 and NSC-94-2214-E-011-010, Taiwan, R.O.C.) and National Taiwan University of Science and Technology for financial supports FEG-TEM support from Institute of Material Science and Engineering,...

Ngày tải lên: 22/06/2014, 22:20

... sections through the cell to observe surface and intracellular staining Figures 3a-d show the intracellular and surface staining of PBMC in a healthy control and from a septic patient These images ... days 3, 7, and 14 for PCR studies and days 0, 1, and for measurement of soluble HLA-DR Blood (7.5 ml) was collected in preservative free heparin (final concentration of 100 iu/ml) and cells were ... cultured with GM-CSF at concentrations of 1ng/ml and 10ng/ml At time points 4, 6, and hours, cells were evaluated for surface expression of HLA-DR and HLA-DR mRNA production Control samples were...

Ngày tải lên: 03/11/2012, 09:57

... Journal of Water and Environment Technology, Vol.2, No.2, 2004 problems, and classifies them into ozonizer (which is the key hardware in advanced water treatment facilities) and ozonation techniques ... concentration and decomposition RESEARCH AND DEVELOPMENT IN OZONATION TECHNOLOGY Objectives of ozonation The main objectives of ozonation are to reduce trihalomethane and to remove taste and odor ... Water and Environment Technology, Vol.2, No.2, 2004 New water quality standards for drinking water to be enforced in April 2004 indicates a standards value of 0.01 mg/L in Japan An appropriate treatment...

Ngày tải lên: 05/09/2013, 08:40

... what they have learned and done, share information with others, and plan their next steps After using computers, students can again analyze and share what they have learned and done, as well as ... person narrative genre - including setting, characterisation, and plot development - and the teacher and class have looked at model texts and jointly constructed a text in that genre What is K-W-L ... information, and instead can work together to find and share knowledge All the same benefits of cooperative learning presented above in the normal classroom apply equally in information technology...

Ngày tải lên: 06/09/2013, 05:10

... megabytes of memory, and the memory type is SDRAM, this is written as 1,024 MB SDRAM, and is pronounced "a thousand and twenty-four megabytes ess-dee-dram" The processor and memory modules are ... functions, including sending and receiving email, and connecting to newsgroups and discussion / talking groups You could say that the internet is a system of roads, and web pages and emails are types ... is not English, and who use or are going to use computers and other information technology in an English-speaking environment It covers the language needed to use information technology equipment,...

Ngày tải lên: 18/10/2013, 17:15

... through JDBC Microsoft and Netscape browsers both have built-in Java support via something known as the Java Virtual Machine (JVM), and there are several standard and non-standard ... downloaded, set up and installed both IIS and ASP.NET, and got your first ASP.NET application up and running If you've done all that, you can pat yourself on the back, make a cup of tea, and get ready ... that the Read and Run scripts checkboxes are checked, and that the Execute checkbox is empty Click on Next, and in the subsequent page, click on Finish: 34 Click on the Browse… button and select...

Ngày tải lên: 06/11/2013, 00:15

... sell products nationally and employ workers as a factor of production – the friction is the commuting of workers MIT Center for Real Estate Sources of Spatial data on Firms and employment • Firms ... lofts to single story Sheds 5) A “Flat” Industrial Rent Gradient? [Lockwood and Rutherford] MIT Center for Real Estate Land Rent With a “flat” rent gradient: Industries move to the edge Services ... 112,173 Manufacturing 68,078 55,830 34,603 30,071 316,318 367,345 303,883 247,888 Transportation and public utilities 45,458 39,890 38,187 40,911 45,581 55,618 64,333 75,222 Wholesale trade 45,170...

Ngày tải lên: 09/12/2013, 20:15

... this view have already been built and are described in Rich Sidner and Lesh (2001), Babaian, Grosz and Shieber (2002), Ryall, Marks and Shieber (1997), and Ortiz and Grosz (2002) Theories of collaboration ... declarative specification of preconditions and effects of system’s actions and applies artificial intelligence, automated reasoning, and planning framework and techniques to dynamically recognize ... opportunity and an exciting domain for technologies such as Machine Learning and Data Mining (see Anderson, 2002 for a review) Two approaches to automated personalization on the Web have been explored and...

Ngày tải lên: 13/12/2013, 01:15

... Multimedia technology has transformed and further deepened our understanding and use of computers in a more meaningful way Without doubt, multimedia technology is a key topic for current and future ... Using CORBA, Mobile Agents and Web-Based Technologies 298 Dongming Cui, The University of Auckland, New Zealand Jairo A Gutiérrez, The University of Auckland, New Zealand About the Authors ... large and complex information system rapidly and effectively And the key issue in research is how to organize the local agents and problem solving within the network, so that in the fixed period and...

Ngày tải lên: 13/12/2013, 01:15

... side-vented coating pan 7.7 Solvent-based film coating 7.8 Alternative film coatings 7.9 Aqueous-based film coating 7.10 Future development References List of symbols Coating pans and coating columns ... sugar coating 3.4 The stages in sugar coating 3.5 Sugar -coating faults 3.6 Dissolution and stability behaviour 3.7 Incorporation of drugs in the sugar coating References Solution properties and ... film -coating formulae 2.11 The choice between aqueous and organic solvent-based coating 2.12 Film -coating formulae examples Glossary of chemical substances and polymers References Sugar coating...

Ngày tải lên: 24/12/2013, 18:15

... CONVENTIONAL FILM COATING The term conventional film coating has been used here to describe film coatings applied for reasons of improved product appearance, improved handling, and prevention of ... of coating with the cellulose ethers and its usage dates back to the early days of film coating It is soluble in both aqueous media and the organic solvent systems normally used for film coating ... section, and where the purpose of the coating is to confer a modified release aspect on the dosage form An alternative term for conventional film coating, therefore, would be non-functional film coating...

Ngày tải lên: 24/12/2013, 18:15

... equipment and ready availability of raw materials make sugar coating an ideal coating method for developing countries • The process is generally not as critical as film coating; recovering and reworking ... pleasing and have wide consumer acceptability • Tablet cores may generally be softer than those demanded by film coating, especially those for aqueous film coating 3.4 THE STAGES IN SUGAR COATING ... essentially insoluble in aqueous systems between pH 3.5 and 9.0 and find important uses in tablet coatings both using the sugarand film -coating processes The advantages of lakes over soluble dyes,...

Ngày tải lên: 24/12/2013, 18:15

... (mm) (mm2) Schlick 930/7–1 Standard Standard 0.8 2.30 Schlick 931/7–1 Standard Standard 1.2 2.30 Schlick 932/7–1 Standard Standard 1.8 2.30 Walther Pilot WA/WX 0.5–1.0 Standard 1.0 2.16 63PB 66 1.8 ... that coating solutions or suspensions which exhibit non-Newtonian behaviour may vary in viscosity at various stages during the coating process and when different coating conditions and coating ... below The surface tension of HPMC solutions HPMC is itself surface active and reduces the surface tension of water; this reduction occurs at very low concentrations Fig 4.2 illustrates the surface...

Ngày tải lên: 24/12/2013, 18:15

... horizontal surface and contact angle was first derived by Padday (1951) as (5.5) In equation (5.5), ρL and γLV are the density and equilibrium liquid surface tension of the coating solution and h ... sprayed droplets of film -coating solution hit the surface of the substrate core, they will (hopefully) adhere to the surface and then wet and spread over the underlying surface They should then ... the surface tension of the liquid, the solid-liquid interfacial tension and the surface tension of the solid Low contact angles are favoured by high solid and low liquid surface tensions and...

Ngày tải lên: 24/12/2013, 18:15

... dryers, coating pans, coating columns and building heating/cooling systems and dust control systems The most important factors for determining the energy losses are: air quantity, temperature and ... of the coating pan used and the spray rate required It can also be demonstrated that a balance can be achieved between the inlet temperature, exhaust temperature and spray rate during the coating ... parameters can be scanned and measured rapidly, say every s, and displayed on the VDU The results can then be recorded every minute, and every the spray flow rate can be calculated and recorded An example...

Ngày tải lên: 24/12/2013, 18:15

... achieve a chair-side, reliable and objective evaluation of the degree and activity of periodontitis at first dental visit, and to perform a targeted treatment and an accurate follow up of the ... localized or generalized and be associated with one or more surfaces The resulting root exposure is not esthetically pleasing and may lead to sensitivity and root caries(Kassab and Cohen, 2003) In ... Dumitrescu, Liviu Zetu and Silvia Teslaru Chapter II Periodontal Diseases in Children and Adolescents: Clinical Features and Molecular Biological Analyses Kazuhiko Nakano, Atsuo Amano and Takashi Ooshima...

Ngày tải lên: 04/01/2014, 17:57

... agricultural land use with farms, mainly cropping rice and fruits Some of the farms maintain small animal husbandries and fishponds Surface water, rain water and ground water are used for the drinking and ... which consists of middle to coarse sand Methods For the appraisal of the surface water and ground water resources water sampling and analyses regarding the chemical and microbiological conditions ... main problems of the surface water bodies are the high amount of suspended solids and hygienically pollutants Conclusions and Outlook Regarding the ground water and the surface water quality...

Ngày tải lên: 16/01/2014, 17:20

... with the spray through the tablet bed and pan wall during film coating, offers better heat and mass transfer and results in a more efficient coating process and a more elegantly finished product ... aqueous film coating concentrated on the use of existing conventional coating pans and tapered cylindrical pans such as Page 172 the Pellegrini This pan is open at front and rear, and the spray-guns ... of materials and processing techniques The use of non-aqueous coating solutions and suspensions The tablets could be engraved with a code and house logo which remained legible after coating Many...

Ngày tải lên: 22/01/2014, 00:20

... are marketed by GS Technology of Bologna, Italy, who supply the Page 225 Fig 8.17 Driam 1200 model coating pan expertise in air handling spray systems, controls and coating technology Pelligrini ... tablets, coating times and drying air-handling requirements If tablet -coating equipment is considered, it can be divided into four parts: the coating pan; the system that applied the coating; ... exchanger and ducting A hot air unit incorporating a fan, heat exchanger and filter, together with fan starter and the damper valve for the 10, 75 and 150 models are suitable for standing alongside...

Ngày tải lên: 22/01/2014, 00:20