... of vacuum pumps 124 2.5.1 Sliding vane vacuum pump 124 2.5.2 Multi cell vacuum pump 127 2.5.3 Liquid ring vacuum pump 129 2.5.4 Rotary plunger vacuum pump 131 2.5.5 Trochoidal vacuum pump 131 Contents 1 ... vacuum measuring systems are also called vacuum measuring tubes, vacuum measuring cells or vacuum measuring heads. Vacuum gauge; vacuum measuring device. A vacuum gauge is a pressure measuring instrument ... of liquid ring vacuum pumps and compressors 234 4 Vacuum and Compressor Plants with Liquid Ring Machines 239 4.1 Demands on pump systems in process engineering 239 4.2 Basic combinations of liquid...
Ngày tải lên: 02/04/2014, 15:36
... significantly affected by vacuum mixing. Vacuum mixing at –55 kPa and –90 kPa resulted in a significant increase in b* values (Table III). Variables of water addition and vacuum mixing change dough ... also obvious to the observer (Fig. 7). Introducing vacuum mixing to dough increased translucency from 34.78 to 40.01% for boiled noodles. When vacuum changed TABLE I Relationship Between Gloss ... was increased from 35 to 38% and when noodles made from soft wheat flour were mixed under vacuum. Vacuum mixing sig- nificantly increased gloss of boiled noodles made from soft wheat flours....
Ngày tải lên: 16/12/2012, 15:25
Producing Liquid Fuels from Coal pdf
... Management bpd barrels per day BTL biomass to liquids Btu British thermal unit CBTL coal and biomass to liquids CDE carbon dioxide equivalent CTL coal to liquids DoD U.S. Department of Defense DVE ... Using a portion of these coal reserves to produce liquid transportation fuels would diversify the liquid- fuel supply base and 16 Producing Liquid Fuels from Coal: Prospects and Policy Issues Figure ... Economic Value of a Domestic Coal-to-Liquids Industry 71 CHAPTER SIX Critical Policy Issues for Coal-to-Liquids Development 73 Environmental Impacts of Coal-to-Liquids Production 73 Impediments...
Ngày tải lên: 06/03/2014, 21:20
Báo cáo hóa học: "Quantum interference effect in electron tunneling through a quantum-dot-ring spin valv" pdf
... tunneling through a quantum-dot -ring spin valve Jing-Min Ma, Jia Zhao, Kai-Cheng Zhang, Ya-Jing Peng and Feng Chi * Abstract Spin-dependent transport through a quantum-dot (QD) ring coupled to ferromagnetic ... a three-terminal two quantum dots ring. Appl Phys Lett 2008, 92:172104. 29. Chi F, Zheng J, Sun LL: Spin accumulation and pure spin current in a three-terminal quantum dot ring with Rashba spin-orbit ... here has been increasing concern about spin manipul ation vi a quantum interference effect in a ring- type or multi-path mesoscopic system, mainly relying on the spin-dependent phase originated...
Ngày tải lên: 21/06/2014, 04:20
Báo cáo hóa học: " Research Article Saddle-Point Properties and Nash Equilibria for Channel Games" pdf
... g j this condition can be explicitly evaluated (see [17]). 8. Conclusions We have investigated Nash equilibria for a two-person zero- sum game where the channel gambles against the transmitter. The ... of strategies for nature has to be separated from this worst case. 5.1. Separation by Schur Ordering. We first investigate the set E ε ={ε = (ε 0 , , ε n−1 ) ∈ D n | ε ≺ ε, ε π(0) ≤···≤ε π(n−1) } (46) for ... Article ID 823513, 9 pages doi:10.1155/2009/823513 Research Article Saddle-Point Properti es and Nash Equilibria for Channel Games Rudolf Mathar 1 and Anke Schmeink 2 1 Institute for Theoretical...
Ngày tải lên: 21/06/2014, 22:20
High performance liquid chromatographic analysis of urinary catecholamines employing amperometric detection.pdf
Ngày tải lên: 16/12/2012, 15:24
Tài liệu Báo cáo khoa học: Electrostatic role of aromatic ring stacking in the pH-sensitive modulation of a chymotrypsin-type serine protease, Achromobacter protease I pdf
... of this stacking implies that the interaction between the imidazole and the electron-rich indole ring is essentially electrostatic, the Fig. 5. Ionic strength dependent of the pH-activity curve ... 139–143. 19. Chakrabarti, P. & Samanta, U. (1995) CH/, p interaction in the packing of the adenine ring in protein structures. Advan. Protein Chem. 39, 125–189. 20. Brandl, M., Weiss, M.S., Jabs, ... electrostatic interaction between Asp113 and His210 was isolated from solvent. DISCUSSION Aromatic ring stacking in the active sites of enzymes has been reported and possible connections with their...
Ngày tải lên: 21/02/2014, 03:20
Non-gynecological cytology on liquid-based preparations pdf
... deaths whistler whistler ’ ’ s mother s mother non non - - gyn gyn liquid liquid - - based cytology based cytology liquid liquid - - based preparation based preparation advantages advantages ... non-cohesiveness etc liquid liquid - - based preparations based preparations ThinPrep ® , TP cytyc, boxborough, ma fda-approved for hpv-dna test SurePath ® , SP triPath, burlington, nc liquid liquid - - based based conventional conventional conventional conventional liquid liquid - - based based smear smear preps preps ___________________________________________________ cellularity cellularity high high lower lower architecture architecture preserved preserved < ... on lbp liquid based prep can safely replace conventional preps for effusion cytology gutman et al diagn cytopathol 2005;32:181 gabriel et al acta cytol 2004;48:825 immunocytochemistry on liquid- based...
Ngày tải lên: 05/03/2014, 15:20
Liquid-Delivery Metal-Organic Chemical Vapour Deposition of Perovskites and Perovskite-Like Compounds pdf
... effect is referred to as anti-Stokes Raman scattering (∆E e = -h(ν o + ν v )). The intensity of anti-Stokes scattering relative to Stokes scattering will increase with temperature. The inelastically ... elastic and inelastic scattering and can leave the specimen only from a very thin surface layer of the order of few nanometres. Due to the higher energy of backscattering electrons the information ... thd – 2,2,6,6-tetramethyl-3,5-heptanedione UHV – Ultra High Vacuum XPS – X-ray Photoelectron Spectroscopy Chemie Dis sertation Liquid- Delivery Metal-Organic Chemical Vapour Deposition...
Ngày tải lên: 14/03/2014, 19:20
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
... A 1032 (2004) 23- 29. 6. Che-Yi Lin, Shang-Da Huang - Application of liquid- liquy microextraction and high performance liquid chromatography for the determination of sulfonamides in water Analytica ... liquid chromatography coupled to electrospray tandem mass spectrometry. Journal of Chromatography A 1157 (2007) 115-121. 8. Guillermina Font. Ana Juan-Garcia, Yolanda Pied - Pressurized liquid ... torn dang bdt 60 SUMMARY DETERMINATION SULPHONAMIDES RESIDUES IN FOOD BY HIGH PERFOPvMANCE LIQUID CHROMATOGRAPHY PART 2. SEPARATION AND QUANTIFICATION SULFAGUANIDINE, SULFAMETHOXYPYRIDINE,...
Ngày tải lên: 20/03/2014, 21:20
DETERMINATION OF ORGANIC COMPOUNDS IN DRINKING WATER BY LIQUID-SOLID EXTRACTION AND CAPILLARY COLUMN GAS CHROMATOGRAPHY/MASS SPECTROMETRY pdf
... sizes. 6.4 Laboratory or Aspirator Vacuum System Sufficient capacity to maintain a minimum vacuum of approximately 13 cm (5 in.) of mercury for cartridges. A greater vacuum (66 cm [26 in.] of mercury) ... cartridge and into a syringe needle which is inserted through a rubber stopper into the suction flask. A slight vacuum of approximately 13 cm (5 in.) of mercury is used during all operations with ... and the environment involved with the use of large volumes of organic solvents in conventional liquid- liquid extractions. 14.2 For information about pollution prevention that may be applicable to...
Ngày tải lên: 22/03/2014, 14:20
LIQUID, GASEOUS AND SOLID BIOFUELS CONVERSION TECHNIQUES pdf
... sp. RKY2 - Wood hydrolysates* Continuous w/cell recycling 27 - 0.9 6.7 [91] Liquid, Gaseous and Solid Biofuels - Conversion Techniques14 Chapter 8 Metabolic Engineering of Hydrocarbon Biosynthesis for Biofuel Production ... fol‐ lowed by a soluble XDH. Rangaswamy et al. [122] isolated strains of Serratia, Cellulomonas Liquid, Gaseous and Solid Biofuels - Conversion Techniques18 assuming of course that furfural has ... catalyst and a mixture of palladium and copper oxide and chromium oxide as for the two step process. Liquid, Gaseous and Solid Biofuels - Conversion Techniques8 Copper has also been indirectly investigated...
Ngày tải lên: 23/03/2014, 17:20
báo cáo hóa học:" The influence of a weight-bearing platform on the mechanical behavior of two Ilizarov ring fixators: tensioned wires vs. half-pins" pdf
... rings and the relative motion between the rings. There were three transducers at the site of the defect, two measuring the relative movements and three measuring the movements between the rings ... mountings: a standard four- ring frame with two 1.8-mm wires (Smith and Nephew®) per ring and a two -ring frame with three 6-mm half-pins (Orthofix®) per ring. The diameter of all rings (Smith and Nephew®) ... was to analyze the mechanical effects of a weight-bearing platform on the traditional all-wire, four -ring frame in comparison to a two -ring frame consisting of half-pins. Methods: Two frame...
Ngày tải lên: 20/06/2014, 07:20
Báo cáo hóa học: " Zenithal alignment of liquid crystal on homeotropic polyimide film irradiated by ion beam" pdf
... prefers the vapor to the liquid; however, since the liquid is heavier than the vapor, the liquid is placed under the vapor, and then, the solid is wetted partially by the liquid. Thus, it is called ... Simple method for measuring the high pretilt angle of nematic liquid crystals. J Appl Phys 2004, 93:4936-4938. [13] Scheffer TJ, Nehring J: Accurate determination of liquid ‐‐ ‐crystal tilt ... is tension between solid and liquid, and lv γ is tension between liquid and vapor. In Equation 1, when sl lv sv 0 ( ) S γ γ γ ≥ + ≤ , the solid is wetted by the liquid entirely, and then, it...
Ngày tải lên: 20/06/2014, 23:20
Báo cáo hóa học: " Self-assembled InAs quantum dot formation on GaAs ring-like nanostructure templates" pdf
... multiple QDs rarely formed on the ring of the nanostructures in the 1.36 ML deposition, only at ~1 out of every 10 ring- like nanostructures, but ~1 out of every 2 ring- like nanostructures contain ... InAs QDs on GaAs ring- like nanostructures. The progression of the InAs QD formation on these template GaAs ring- like structures is demonstrated. Increased deposition of InAs on the ring- like nanostructures ... increase, remaining at ~2 per ring- like nanostructure, but the dimensions of those QDs inside the holes do increase, as the plot in Fig. 3 indicates. Specifically, the main QD of each ring- like nanostructure...
Ngày tải lên: 22/06/2014, 22:20
Microwave Ring Circuits and Related Structures pdf
... narrow rings. If rings for which w/R < 0.2 are used, then dis- persion becomes important for the modes of n > 4. Wide rings do not suffer the effects of dispersion as much as narrow rings. 2.3.4 ... 0.89 2 0.07 0.37 2 0.63 0.38 Simpo PDF Merge and Split Unregistered Version - http://www.simpopdf.com CHAPTER TWO Analysis and Modeling of Ring Resonators 5 Microwave Ring Circuits and Related Structures, ... the ring line width is constant. H k j AJ kr BN kr n nnf wm f=¢+¢ {} 0 ( ) ( ) sin( ) 10 ANALYSIS AND MODELING OF RING RESONATORS FIGURE 2.3 (a) Ring with asymmetrical feed lines, and (b) ring...
Ngày tải lên: 27/06/2014, 14:20
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