schmidt1 carlos j cela1 vinit singh1 james weiland2 mark s humayun2 and gianluca lazzi1
christopher j bradley - challenges in geometry for mathematical olympians past and present
... to be associated with Professor Charles Coulson and Dr Simon Altmann The latter was my research supervisor when I was a graduate student and I owe a great deal to his care and enthusiasm During ... problems there are three symmetric expressions in the squares of a, b, and c that have to be made perfect squares It is not surprising, therefore, that the situation is similar as regards their solution ... both cases there is a known two-parameter system of solutions (see eqns (1.4.2) and (2.4.9)), and there are further solutions, which may belong to other parametric systems of solutions, and there...
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the essential j.r.r. tolkien sourcebook a fan’s guide to middle-earth and beyond
... and for, Tolkien fans and I emphasize the word “fans” in its best sense: ardent admirers or devotees—this book is just as it is advertised It is an informal, spirited discussion of all things ... literary work of substance: The Lord of the Rings has established itself as a lasting classic, without the help and against the active hostility of the professionals of taste; and has furthermore ... 101 Standups 102 Action Figures and Dolls 103 Board Games and Puzzles 106 Computer Software 106 Sideshow/Weta 107 Swords by United Cutlery 120 Stamps 125 Coins 126 Miscellaneous Collectibles 127...
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peter j bickel, kjell a doksum mathematical statistics basic ideas and selected topics, vol i 2nd edition 2000
... principles we discuss and calculations we perform should only be suggestive guides in successful applications of statistical analysis in science and policy Subject matter specialists usually have ... regression analysis Appendix B is as self-contained as possible with proofs of most statements, problems, and references to the literature for proofs of the deepest results such as the spectral theorem ... variety of ways - J' ' !' (1) Narrow classes of procedures have been proposed using criteria such as con siderations of symmetry, unbiasedness (for estimates and tests), or level of sig nificance...
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Project Gutenberg''''s Paper and Printing Recipes, by J. Sawtelle Ford docx
... almost as soft as fine silk, and will be, to all intents and purposes, far superior to most new leathers Hints on Dressing the Store Windows In dressing store windows avoid as far as possible ... Usual Sizes of Flat and Ledger Papers Size of Newspaper Sheets and Number of Columns 87 85 STATIONERS’ WINDOWS Stationers’ Windows 33 Hints on Dressing the Store Windows 12 To Prevent Window Steaming ... Drawings To Clean Gilt Frames Cleaning New Machinery Washing Forms A Hardening Gloss for Inks A Modeling Material Leaf Copying Usual Sizes and Weights of Book papers Usual Sizes and Weights Colored...
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Báo cáo khoa học: "Effects of cyclosporin A treatment on the pathogenesis of avian leukosis virus subgroup J infection in broiler chickens with Marek’s disease virus exposure" ppt
... endogenous avian leukosis virus Rous- associated virus-0 alters responses to exogenous avian leukosis virus infection J Virol 1987, 61, 722-725 12 De Boer, G F., Mass, H J L., Van Vloten J and Groenendal, ... results in an increased viral load in tissues of ALV -J infected broiler chickens References Arshad, S S., Bland, A P., Hacker, S M and Payne, L N A low incidence of histiocytic sarcomatosis associated ... chickens with the HPRS-103 strain of subgroup J avian leukosis virus Avian Dis 1997, 41, 947-956 Arshad, S S., Howes, K., Barron, G S. , Smith, L M., Russell P H and Payne, L N Tissue tropism of...
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Báo cáo khoa học: "The effects of cyclophosphamide treatment on the pathogenesis of subgroup J avian leukosis virus (ALV-J) infection in broiler chickens with Marek''''s disease virus exposure" potx
... Weeks post-infection Tissue** weeks weeks weeks PBS /J Brain Bursa Heart Intestine Kidney Liver Marrow Nerve Pancreas Proventriculus Spleen Thymus Ventriculus Lung CY /J PBS /J CY /J PBS /J CY /J 0/3 ... the results of mitogenesis assay and flow cytometry, the minimal histologic changes within the bursa of Fabricius and thymus in PBS-treated chickens suggested that the immunosuppression caused ... flowcytometry, and lymphocyte blastogenesis assay Bursas from chickens treated with CY were signifincantly smaller than those sham treated with PBS Histologically, bursal follicles were also smaller and...
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Old-Time Makers of Medicine, by James J. Walsh doc
... exposed until they died Christianity put an end to this, and in two classes of institutions, the hospitals and the asylums, abundant opportunity for observation of illness was afforded Just as soon ... professors at Salerno as well as at Montpellier Many prominent rulers and ecclesiastics selected Jewish physicians Some of these made distinct contributions to medicine, and a number of them deserve ... names and achievements of the workers in medicine are familiar—Paracelsus, Vesalius, Columbus, Servetus, Cæsalpinus, Eustachius, Varolius, Sylvius are men whose names are attached to great discoveries...
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Báo cáo khoa học: MicroRNAs – micro in size but macro in function Sunit K. Singh1,2, Manika Pal Bhadra3, Hermann J. Girschick2 and Utpal Bhadra4 pptx
... report has shown that both strands could be coaccumulated as miRNA pairs in some tissues, and subjected to strand selection in other tissues [53] Ro et al [53] also reported that both strands of ... been successful attempts at delivery of antisense RNAs to cells and tissues, successful delivery of small RNAs to the brain is one of the major challenges in the development of small RNAbased ... pairs and single nucleotide insertions These imperfections cause one strand of the duplex to be less stably paired at its 5¢-end [27] The conversion from dsRNAs to ssRNAs is a complex process, involving...
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Recognition and management of pesticide poisonings J. Routt Reigart, James R. Roberts docx
... physicians, and other staff in over 200 offices across the country OSHA sets protective workplace standards, enforces the standards, and offers employers and employees technical assistance and consultation ... covers workers in pesticide manufacturing as well as other industries OSHA and its state partners have approximately 2100 inspectors, plus investigators, standards writers, educators, physicians, ... overall exposure assessment Most pesticide-related diseases have clinical presentations that are similar to common medical conditions and display nonspecific symptoms and physical signs Knowledge...
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Micro Electro Mechanical System Design - James J. Allen Part 1 pot
... ANSYS http://www.ansys.com/industry/mems/ Intellisense http://www.intellisensesoftware.com/ Products MEMS inertial sensors MEMS display technology MEMS pressure sensors Software Software, design, ... Properties, Processing, and Use in Design, Frank Porter Thermal Fatigue of Metals, Andrzej Weronski and Tadeusz Hejwowski Classical and Modern Mechanisms for Engineers and Inventors, Preben W Jensen ... Couplings and Joints: Design, Selection, and Application, Second Edition, Revised and Expanded, Jon R Mancuso Thermodynamics: Processes and Applications, Earl Logan, Jr Gear Noise and Vibration, J...
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Micro Electro Mechanical System Design - James J. Allen Part 2 pot
... various processes used in the fabrication of MEMS devices The first section will present an introduction to materials and their structure The processes that will be discussed in subsequent sections ... silicon-on-insulator (SOI) substrates 2.2.1 SINGLE-CRYSTAL SUBSTRATE 2.2.1.1 Czochralski Growth Process Czochralski growth is the method used to produce most of the single-crystal substrates used in ... microelectronics industry, MEMS substrates generally come from the microelectronics infrastructure as well Two substrates of particular interest for MEMS applications are single-crystal substrates and silicon-on-insulator...
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Micro Electro Mechanical System Design - James J. Allen Part 3 docx
... reactions are involved Ion milling uses noble gases with significant mass such as argon in a process analogous to sputtering This process is very isotropic because the ion impinges the surface ... focus is an issue in MEMS fabrication due to the thickness of the films involved and the possible wafer warpage due to residual stress of the deposited films Films involved in MEMS processes can ... patterned SiO or resist layer b Strip the SiO2 or resist layer leaving the metal on the substrate FIGURE 2.27 Lift-off process schematic • presses the mask under pressure against the photoresist, which...
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Micro Electro Mechanical System Design - James J. Allen Part 4 pdf
... compressive or tensile residual stress will cause the wafer to warp 3.5.1 RESIDUAL STRESS The behavior of MEMS devices is considerably influenced by residual stress of the materials Residual stresses ... commercial and foundry processes The selection of the material system depends on several issues, such as the structural layer mechanical properties (e.g., residual stress, Young s modulus, hardness, ... the SUMMiT V™ surface micromachine process This process uses 14 photolithography steps and masks to define the required features Table 3.4 lists the layer and mask names and a summary of their use...
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Micro Electro Mechanical System Design - James J. Allen Part 5 pps
... detection system, because the inertial mass and the resulting inertial force scale as S3 but the stiffness scales as S This different scaling causes the mass to deflect less as smaller size scales 4.1.3 ... on stiffness: K torsion ( Sd ) ∝ SL0 ∝ S3 The torsion stiffness scales as S3 , which is different than the bending and axial stiffness that scales as S, due to the units involved in torsion stiffness ... mass scales the same as volume, S3 As the system scale decreases by S, the mass and volume are decreasing even more rapidly (i.e., S3 ) Ms = S3 Vo = S3 Mo (4.5) The stiffness of a mechanical system...
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Micro Electro Mechanical System Design - James J. Allen Part 6 ppsx
... parameters such as loads and boundary conditions 4.3 FABRICATION ISSUES OF SCALE To assess the fabrication issues unique for MEMS scale devices, it is necessary to put MEMS fabrication processes and ... these structures will provide the basis for the discussion of manufacturing issues and design rules in subsequent sections Although some specific details of these layouts may be unique to SUMMiT, ... ANSYS proposed system of units for MEMS scale simulation: http://www.ansys.com/ansys/mems/mems_key_features/key_feature_units.htm 42 W.G Knauss, I Chasiotis, Y Huang, Mechanical measurements...
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Micro Electro Mechanical System Design - James J. Allen Part 7 pptx
... tools can emulate a spectrum of process steps (SUMMiT MEMS design tools — courtesy of Sandia National Laboratories.) 2D Mask geometry Process Definition Visualization Tools 3D Visualization (solid ... will discuss the manufacturing issues that are the basis for the specification of design rules and the implementation of design rules for a MEMS fabrication process 5.3.1 MANUFACTURING ISSUES 5.3.1.1 ... FIGURE 5.15 Masks and cross-section of a post composed of anchored layers utilizing nested SACOX_CUTs FIGURE 5.16 Cross-section of an anchored layer stack using staggered SACOX_CUTs © 2005 by Taylor...
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Micro Electro Mechanical System Design - James J. Allen Part 8 pps
... the axis of twist and the corners of the rectangular and square cross-sections have no stress The analysis of torsion for these cross-sections becomes complex and has been studied for years [4,5] ... induced stresses on precision MEMS sensors will have a direct impact on performance and thus needs to be considered in the system design Thermal stress is also utilized as a MEMS actuation mechanism ... particular cross-section, the stress is compressive on one side of the neutral axis and tensile on the other side, with the maximum tensile and compressive stresses occurring at the outer surfaces d2y...
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