liquid ring vacuum pumps compressors and systems by h bannwarth
liquid ring vacuum pumps, compressors and systems_conventional and hermetic design
... Pumps and Liquid Ring Compressors 157 Liquid ring vacuum pumps and compressors with radial flow 157 Liquid ring machines with axial flow 159 Liquid ring pump with lateral channel 159 Liquid ring ... ISBN: 3-527-29784-7 Helmut Bannwarth Liquid Ring Vacuum Pumps, Compressors and Systems Conventional and Hermetic Design Translated by Christine Ahner Author & Helmut Bannwarth Emil-Gửtt-Strasse ... circles will have a specialist book in their hands that deals with the design and application of pumps and plants in the vacuum range The author, Helmut Bannwarth, once more substantiates his expert...
Ngày tải lên: 02/04/2014, 15:36
Public Health – Methodology, Environmental and Systems Issues Edited by Jay Maddock doc
... that describe the behavior of these relationships, through the traditional mathematical formalism or using new theoretical contributions to the theory of fuzzy sets which together with the theories ... populations (Hiroshima and Nagasaki, Chernobyl and radiotherapy patients) were exposed to high doses, with high dose rates Thus, it was necessary the use of the precautionary principle to postulate that, ... S -H Hsu, D S Lee, Z Iqbal, S Sund, S Curran, C Brumlik, A Choudhury, D S-G Hu, N Chiu, R C Lem and J R Haw Section Health Systems 249 Chapter 11 New Challenges in Public Health Practice: The...
Ngày tải lên: 16/03/2014, 21:20
Báo cáo "DETERMINATION SULPHONAMIDES RESIDUES IN FOOD BY HIGH PERFOPvMANCE LIQUID CHROMATOGRAPHY PART 2. SEPARATION AND QUANTIFICATION SULFAGUANIDINE, SULFAMETHOXYPYRIDINE, SULFADOXINE AND SULFAMETHOXAZONE IN ANIMAL FOODSTUFFS AND FOOD PRODUCTS " pdf
... sulfoamit thirc an chan nudi va thuc pham Ket qua phan tich cho thay thirc an chan nudi cd chira cac chat khang khuan va cd the day la ngudn gdc tdn du chat khang khuan thuc pham Tuy nhien de danh gia ... foodstuffs and food products higher than maxium residue level [2] Dia chi: Nhdn bdi ngdy 29 thdng ndm 2008 Chu Dinh Binh, Nguyen Phuang Thanh Khoa Cdng nghe Hoa hgc, Trudng Dai hgc Bach khoa Ha Ngi Pham ... mgt nghien ciru khac Vdi nhirng ket qua thu dugc thi phuang phap HPLC cd the sir de phan tich du lugng cac chit khang khuin ddi tugng la thuc pham phuc vu cho cdng tac ve sinh an toan thuc pham...
Ngày tải lên: 20/03/2014, 21:20
Easy and effective - web-based information systems designed and maintained by physicians: experience with two gynecological projects docx
... example, for the member list of AIG The principles of the Health-On-the-Net-Foundation (HON) are implemented by both websites These principles include processing by medically trained and qualified ... per month and 4.7 page views per visit were counted Maintenance demand h each month Visitors most frequently used the link library offered by the DIR platform and the website for technical instructions ... method of evaluation correlated to contentment of the visitors [5, 10] An inquiry of the working hours invested for the maintenance of the sites and the update frequency represents the other...
Ngày tải lên: 22/03/2014, 11:20
Báo cáo khoa học: Structure and positioning comparison of two variants of penetratin in two different membrane mimicking systems by NMR pdf
... layer, at the interface between the head-group region and the hydrophobic interior This is supported by the results obtained with the two spin-labeled phospholipids, which show that the hydrophobic ... seen However, the observed peptide–lipid NOEs, together with the fact that Mn2+ ions seem to affect the head-group region of the lipids suggest that the peptide resides within the phospholipid head-group ... Biochem 270) Bicelles are formed by mixing two phospholipid components with different chain lengths (e.g DHPC, dihexanoylsn-glycero-phosphocholine and DMPC, dimyristoylsn-glycero-phosphocholine)...
Ngày tải lên: 23/03/2014, 18:20
Strategic Information Management Third Edition Challenges and Strategies in Managing Information Systems by ROBERT D GALLIERS and Dorothy E Leidner_1 pot
... at the moment)’ The pressure really is on these staff, and they show it Their orientation is still technical They assume that whatever they are doing is what they should be doing to assist the ... this research Hirschheim and his colleagues contend that in companies where top management had begun to realize that information systems are vital to their business, organizations move through ... function within the organization This, as has been demonstrated, has been remedied in part by the subsequent work of Earl, Bhabuta and Hirschheim et al In all but the latter case, however, the models...
Ngày tải lên: 21/06/2014, 13:20
Strategic Information Management Third Edition Challenges and Strategies in Managing Information Systems by ROBERT D GALLIERS and Dorothy E Leidner_2 pot
... growth, and partly by takeover of specialist and regional competitors In the wake of the changes in the legal framework for financial and insurance organizations in the Netherlands, the company has ... offered by the insight in the evolution through the years of the information strategy of the three companies We found some indications that the roles, responsibilities and influence of the various ... analysing the content and forms of the strategies, and looking at how effects are evaluated What are the limitations of each individually as indicators of the link and what other methods might we...
Ngày tải lên: 21/06/2014, 13:20
Process technology equipment and systems chapter 1 & 2
... is the handwheel The handwheel is attached to a bushing, which is attached to the threaded stem As the handwheel is turned counterclockwise, the stem in the center of the handwheel rises As the ... phase and from the vapor phase to the liquid phase At each tray, the vapor leaving the tray has a higher concentration of the lower boiling material than the vapor entering the tray Also, the liquid ... leaks The handwheel is attached to the valve stem The handwheel transfers rotational energy to the stem This rotational energy controls the movement of the flow-control element Turning the handwheel...
Ngày tải lên: 15/08/2013, 07:50
Process technology equipment and systems chapter 3 & 4
... used The thin area is first determined by visual inspection or a hammer test, and a hole is drilled completely through the wall The thickness is measured through the hole Holes are closed by threading ... between the roof and the shell of the tank The opening is sealed by means of a flexible curtain-like fabric attached to the roof and to steel bearing surfaces called shoes The shoes slide on the shell ... a hammer and the feel and the sound are noted The hammering sets up a vibration, and the sound depends on the thickness of the point struck The feel of the hammer and the extent of denting also...
Ngày tải lên: 16/08/2013, 15:29
Process technology equipment and systems chapter 5 & 6
... with two spring-loaded intake valves and two spring-loaded discharge valves For example, when the piston moves to the right, the chamber to the left of the piston fills with gas, while the chamber ... bearing that allows the system to float This type of bearing typically is located beside the thrust bearing on one end of the turbine and by the shaft seal on the other Thrust (axial) bearings ... durable and tough and able to withstand high temperatures and a variety of conditions Diaphragm compressors can generate very high pressures and are used to compress hydrogen, hydrogen chloride,...
Ngày tải lên: 19/08/2013, 10:47