grinding polishing and chemical mechanical polishing
Modeling and characterization of abrasive free copper chemical mechanical planarization process
Ngày tải lên :
26/11/2015, 12:31
... is fed in between the interface of wafer and pad The combined chemical action of the chemicals in the slurry and the mechanical action of the abrasives and/ or pad asperities cause material to ... Mira Polishing and Mesa Cleaning units XY Groove (a) (b) Figure 3.5 Polishing Pads: a) A polyurethane copper polishing pad with XY groove, b) A Politex cleaning pad 3.3.2 Polishing Pad and Cleaning ... Based on the surface analysis and the results of MRR and WIWNU of blanket wafer polishing, fundamental understanding of abrasive-free CMP was developed and some optimized polishing conditions were...
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09 Physical and Chemical Characteristics of DDGS revisions.
Ngày tải lên :
08/08/2012, 10:03
... Physical & Chemical Characteristics of U.S DDGS Physical and chemical characteristics of distiller’s dried grains with solubles (DDGS) vary among sources and can influence its feeding value and handling ... during transport and handling – particle and ingredient segregation (separation) occurs when particles of different sizes and bulk densities are blended together and transported or handled Pellet ... Physical & Chemical Characteristics of DDGS Particle Size, Bulk Density and pH Particle size and particle size uniformity of feed ingredients are important considerations of livestock and poultry...
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Different physical and chemical pretreatments of wheat straw for enhanced biobutanol production in simultaneous saccharification and fermentation
Ngày tải lên :
05/09/2013, 15:28
... Chemist Soceity and Institute of Food Technology She is a current Ph.D candidate Yaser Dahman holds a Ph.D in Chemical and Biochemical Engineering from the University of Western Ontario and an MBA ... chemical pretreatment: (beside glucose and xylose) represented 5.00% biomass concentration and (beside glucose and xylose) represented 2.50% biomass concentration Figure illustrated glucose and ... the presence and absence of xylanase during saccharification with no chemical pretreatment: (beside glucose and xylose) represented 5.00% biomass concentration and (beside glucose and xylose)...
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Tài liệu TOTAL QUALITY MANAGEMENT AND THE MECHANICAL ENGINEER R. doc
Ngày tải lên :
26/12/2013, 01:18
... of new products and services Higher worker satisfaction due to involvement with improvement teams, integrated product and process development teams, and design for manufacture and assembly (DFMA) ... significant change for the manager and engineer and sometimes the transition is not smooth 72.4.2 As a Manager of Mechanical Engineers If you are a manager of mechanical engineers in an organization ... design types Classical DOE, developed by Sir Ronald Fisher in England and promoted in the U.S by Box, Hunter, and Hunter, uses both full and fractional factorial designs.8 In the early 1980s, Dr Genichi...
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Tài liệu PHYSICAL AND CHEMICAL ASPECTS OF ORGANIC ELECTRONIC doc
Ngày tải lên :
16/02/2014, 19:20
... Functionalisation 575 Motivation and Strategies 575 Chemically Modified Devices 576 Electrochemical Functionalisation 577 Selective Electrochemical Functionalisation 579 Chemical Doping 583 Sensors ... 443 21 Microscopic and Spectroscopic Characterisation of Interfaces and Dielectric Layers for OFET Devices 445 K Müller, Y Burkov, D Mandal, K Henkel, I Paloumpa, A Goryachko, and D Schmeißer 21.1 ... as a Function of VD and VG 152 Discussion and Conclusions 157 Correlation of the Electrical Transport Properties and the Film Morphology 157 Origin of the Structural Defects and Conclusions 158...
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Tài liệu Báo cáo khoa học: Endotoxic activity and chemical structure of lipopolysaccharides from Chlamydia trachomatis serotypes E and L2 and Chlamydophila psittaci 6BC pdf
Ngày tải lên :
20/02/2014, 23:20
... Kdo, and tetrasaccharide 1-monophosphate (TS 1-MP) One-dimensional 1H- and 31P-, and two-dimensional homo- (1H,1H-DQF-COSY) and heteronuclear (1H,13C-,1H,31P-HMQC) NMR spectroscopy (Figs and 6) and ... I Goroncy, H Luthje and V ¨ Susott for technical assistance and S Kusumoto (Osaka/Japan) for lipid A (compound 506) and L Hawkins (North Andover, MA USA) for compound B1233 and for reading the ... C18:0, C20:0 and 3-OH-C20:0 MALDI-MS and ESI-MS analysis As a first step in the structural analysis, LPS and de-Oacylated LPS of C trachomatis serotype E was analyzed by MALDI-TOF and ESI-FT-ICR...
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HANDBOOK ON CHEMICAL WEAPONS CONVENTION FOR INDIAN CHEMICAL INDUSTRY AND CHEMICAL TRADERS ppt
Ngày tải lên :
14/03/2014, 19:20
... Schedule-1 Chemicals (i.e Chemical Weapons and precursors); (ii) Schedule-2 Chemicals (i.e precursors to Chemical Weapons); and (iii) Schedule-3 Chemicals (i.e dual use chemicals) Annex on Chemicals ... IUPAC chemical name and ITC (HS) code for schedule chemicals (Page 71 of the handbook) 5.5 Identification of Scheduled / Unscheduled Chemicals Compile IUPAC name and CAS No of all chemicals handled ... Handbook on chemicals Chemicals listed by occurrence with their position in the Schedules of Chemicals; scheduled chemicals listed by Chemical Abstracts Service Registry Number and Scheduled Chemical s:...
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Air conditioning and refrigeration mechanical engineering handbook
Ngày tải lên :
14/03/2014, 19:27
... B2, and B3 R-134a and R-22 are in the A1 group, lower toxicity and nonflammable; R-123 in the B1 group, higher toxicity and nonflammable; and R-717 (ammonia) in the B2 group, higher toxicity and ... values ASHRAE Handbook 1993 Fundamentals (Chapter 24 and 27) and Wang’s Handbook of Air Conditioning and Refrigeration (Chapter 7) both list tables of climate conditions for the U.S and Canada based ... the soil and rock beneath buildings, well water, and building materials Radon and its decay products travel through pores in soil and rock and infiltrate into buildings along the cracks and other...
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Aircraft measurements over Europe of an air pollution plume from Southeast Asia – aerosol and chemical characterization pot
Ngày tải lên :
15/03/2014, 20:20
... agricultural lands in Myanmar and Thailand The size of these fires is not known and, thus, the emission strength is highly uncertain However, the Asian pollution plume likely contained a mixture of FFC and ... numbered I–V and highlighted by a turquoise background, stratospheric flight sections are labelled S-I and S-II and highlighted in yellow, and the descent into the boundary layer is labelled BL and highlighted ... Fried, A., Sandholm, S T., Tan, D., Singh, H B., Snow, J., and Heikes, B G.: Chemical composition of Asian continental outflow over the western Pacific: Results from Transport and Chemical Evolution...
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Concentration and chemical speciations of cu, zn, pb and cr of urban soils in nanjing, china
Ngày tải lên :
15/03/2014, 23:22
... Pb and Cr concentrations and chemical speciation of urban soils in Nanjing, China Materials and methods 2.1 Description of study area Nanjing city is located in eastern China (31j14V 118j22V and ... Cu and Cr The non-residual fractions of Cu, Zn, Pb and Cr in non-urban soils average 6.7%, 8.7%, 16.5% and 10.1%, respectively Therefore, Cu, Zn and Pb in urban soils have higher mobility and ... 24 h, weighed and ground to pass a nylon sieve with 0.15-mm openings A 0.2-g subsample was used for determining Cu, Zn, Pb and Cr contents Total Cu, Zn, Pb and Cr contents in soils and residual...
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Báo cáo khoa học: Soluble recombinant CD69 receptors optimized to have an exceptional physical and chemical stability display prolonged circulation and remain intact in the blood of mice doc
Ngày tải lên :
16/03/2014, 04:20
... (lanes and 3), CD69NG70 (lanes and 5), CD69NV82 (lanes and 7) CD69NS84 (lanes and 9), rat CD69 (lanes 10 and 11) and mouse CD69 (lanes 12 and 13) was performed under nonreducing (even lanes) and ... solubility and stability among these proteins and allow us to select the human protein containing amino acids Gly70 to Lys199 (and the rat and mouse orthologs) as the most physically and biochemically ... soluble CD69 ligands, or by soluble CD69 receptors might protect CD69+ killer cells from apoptosis, and render them more available for killing of the tumors Structural and biochemical studies...
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Integrated Systems of Meso-Meteorological and Chemical Transport Models docx
Ngày tải lên :
16/03/2014, 23:20
... Meso-Meteorological and Chemical Transport Models Alexander Baklanov Alexander Mahura Ranjeet S Sokhi l l Integrated Systems of Meso-Meteorological and Chemical Transport Models Editors Prof Alexander Baklanov ... chemistry and simple aerosol/cloud chemistry and microphysics and often neglects the feedbacks between prognostic chemical species (e.g., O3 and aerosols) and radiation (e.g., Roelofs and Lelieveld ... 215 Alexander Baklanov, Sander Tijm, and Laura Rontu 22 Summary and Recommendations on Integrated Modelling 229 Alexander Baklanov, Georg Grell, Barbara Fay, Sandro Finardi, Valentin...
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Báo cáo khoa học: High thermal and chemical stability of Thermus thermophilus seven-iron ferredoxin Linear clusters form at high pH on polypeptide unfolding doc
Ngày tải lên :
16/03/2014, 23:20
... [2Fe)2S] High pH and [GdnHCl] High pH and [GdnHCl] High pH and [GdnHCl] High pH or [urea] Exposure to oxygen High [GdnHCl] Physiological High pH and [GdnHCl] High pH and [GdnHCl] High pH and [GdnHCl] ... absorption occurred Discussion Understanding and probing protein stability at high temperatures and extreme conditions is relevant for a variety of biochemical and biotechnological applications Intriguingly, ... cluster and tryptophan separation and presumably cluster decomposition (Fig 2B) Folded FdTt has positive CD absorption 230 nm, arising from the tryptophan and tyrosine contribution, and a negative...
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Organic Molecules and Chemical Bonding pdf
Ngày tải lên :
22/03/2014, 14:20
... include alkanes (C and H), haloalkanes (C, H, and X), alcohols and ethers (C, H, and O), and amines (C, H, and N) [graphic 1.5] (4,5,9,11,12/98)(1,9,10/99) Neuman Chapter Alkanes (C-C and C-H Bonds) ... detailed description of their chemical bonds The Basis for the Number of Bonds and Unshared Electrons on C, N, O, and F The number of bonds and unshared electrons on C, N, O, and F in their compounds ... of chemical bonds between atoms familiar to you and routinely used by organic chemists In order to explain properties of organic molecules and their chemical reactions, we will treat most chemical...
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Functional Groups and Chemical Families pptx
Ngày tải lên :
22/03/2014, 14:20
... carbon members of the oxahydrocarbon families (alkanes to carbon dioxide) Hydrogen and oxygen are redox standards at +1 and –2, respectively Thus, the carbon oxidation state in methane is –4, in methanol ... relationship of functional group types can be one the most powerful tools for understanding and simplifying organic chemical reactivity ... knowledge of reactivity, and at the same time it prepares us to think of yet unseen transformations on the basis of how those transformations might be effected This abstraction of chemical structure...
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Báo cáo khoa học: Structure–cytotoxicity relationships in bovine seminal ribonuclease: new insights from heat and chemical denaturation studies on variants ppt
Ngày tải lên :
22/03/2014, 17:20
... (15 and 16) and to regions 45–49 and 101–103, which ˚ are less than A from the Arg80 side chain The overlay of the 1H-15N-HSQC spectrum of mBS with those of its G16S ⁄ N17T ⁄ P19A ⁄ S20A mBS and ... for BS-RNase and 59.0 °C for hA-BS-RNase, i.e very close to each other In turn, significantly lower, and comparable, Tm values of 54.3 °C and 53.6 °C were found for S80-hA-BS-RNase and S80-BS-RNase, ... fluorescence intensity at a given temperature, and Imax and Imin are the maximum and minimum values of fluorescence intensity corresponding to the denaturated state and native state of proteins, respectively...
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A Single-Molecule Perspective on the Role of Solvent Hydrogen Bonds in Protein Folding and Chemical Reactions pptx
Ngày tải lên :
22/03/2014, 18:20
... separating b-strands In Figure B, we define the pulling coordinate for the A’ and G b-strands as the distance between the first amino acid of strand A’ (Y9) and the last amino acid of strand G (K87) ... hydrogen bonds between the A’ and G bstrands (Figure A) In the constant-velocity simulations, the breaking of the hydrogen bonds between the A’ and G bstrands is the mechanical barrier that creates ... continued examination and the development and refinement of theoretical models further progress could be made in understanding the molecular mechanism in protein folding and chemical reactions Experimental...
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The Water Framework Directive Ecological and Chemical Status Monitoring ppt
Ngày tải lên :
23/03/2014, 01:20
... bodies, and protect and enhance the status of aquatic ecosystems and associated wetlands It aims to promote sustainable water consumption and will contribute to mitigating the effects of oods and ... Algae, Protozoa and Helminths in Fresh and Drinking Water Edited by Andre Van der Beken, Giuliano Ziglio and Franca Palumbo Analytical Methods for Drinking Water: Advances in Sampling and Analysis ... Applications and Perspectives Edited by Giuliano Ziglio, Maurizio Siligardi and Giovanna Flaim Wastewater Quality Monitoring and Treatment Edited by Philippe Quevauviller, Olivier Thomas and Andre Van...
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Early surfactant administration with brief ventilation vs. selective surfactant and continued mechanical ventilation for preterm infants with or at risk for respiratory distress syndrome (Review) ppt
Ngày tải lên :
24/03/2014, 05:20
... randomized to receive either surfactant and initiation of mechanical ventilation (control) or surfactant and immediate extubation to NCPAP (treatment) The primary endpoint was the need for mechanical ... Harrington and RF Soll updated the search strategy TP Stevens and EW Harrington excerpted data from studies and drafted the revised review M Blennow and RF Soll checked data from identified studies and ... and risk difference (RD) for categorical variables, and weighted mean difference (WMD) for continuous variables Main results Six randomized controlled clinical trials met selection criteria and...
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