... pyrimidine groups and alkyl sulfonic acid and investigate their self-assembling properties in the solid state Trang 44.2 Experimental section 4.2.1 Materials and reagents All reagents and solvents ... mixture was warmed to RT, stirred overnight, and mixed with 200 ml of deionized water The organic phase was collected and dried with MgSO4 and filtered, and the solvent was removed under reduced ... equipped with a Water 410 differential refractometer HPLC system and Waters Styragel HR 4E columns using THF as eluent and polystyrene as standard The XRD patterns were recorded on a powder diffractometer
Ngày tải lên: 16/09/2015, 17:11
... refinery and chemical plant equipment and piping This RP includes descriptions of common welding processes, welding procedures, welder qualifications, metallurgical effects from welding, and inspection ... Construction of Pressure Vessels Section IX, Qualification Standard for Welding and Brazing Procedures, Welders, Brazers, and Welding and Brazing Operators Section XI, Rules for Inservice Inspection ... MST WELDING PROCESSES, INSPECTION, AND METALLURGY 139 NOTE The QW-202.4 rule may be applied for P-Number and P-Number 41 through P-Number 47 PQR test coupons 1/4 in (6 mm) thick and thicker and
Ngày tải lên: 31/05/2017, 10:40
Báo cáo khoa học: A natural osmolyte trimethylamine N-oxide promotes assembly and bundling of the bacterial cell division protein, FtsZ and counteracts the denaturing effects of urea docx
... mixtures and the assembly reaction was immediately monitored at 37 C The traces represent FtsZ assembly kinetics of control (n) and dif-ferent concentrations 0.2 M (s), 0.4 M (d), 0.6 M (h), and ... effects of urea and guanidium chloride on FtsZ TMAO also protected assembly and bundling of FtsZ protofilaments from the denaturing effects of urea and guanidium chloride Furthermore, the standard free ... Trang 1assembly and bundling of the bacterial cell divisionprotein, FtsZ and counteracts the denaturing effects of urea Arnab Mukherjee, Manas K Santra, Tushar K Beuria and Dulal Panda School
Ngày tải lên: 30/03/2014, 16:20
Báo cáo hóa học: " The role of feed-forward and feedback processes for closed-loop prosthesis control" doc
... roles for feedforward and feedback processes, and reveals their complementary nature Methods Subjects Subjects were healthy males and females, all righthanded and aged between 21 and 30 years old, ... Differential Force Control We used a ‘gated ramp controller, for two-channel differential position and force control (e.g see [24]) Subjects controlled the hand using extensor and flexor signals ... feedforward uncertainty by inducing random unpredictable delays to the hand controller In contrast to experiments and 2, where the control of the hand was repeatable and predictable, this experiment
Ngày tải lên: 19/06/2014, 08:20
báo cáo hóa học:" Multiple functions of the von Willebrand Factor A domain in matrilins: secretion, assembly, and proteolysis" ppt
... Journal of Orthopaedic Surgery and Research Open Access Research article Multiple functions of the von Willebrand Factor A domain in matrilins: secretion, assembly, and proteolysis Yue Zhang †1 ... USA, 2 Cell and Molecular Biology Laboratory, Department of Orthopaedics, The Warren Alpert Medical School of Brown University/Rhode Island Hospital, Providence, Rhode Island, USA and 3 Department ... including regulation of protein secre- tion, oligomeric assembly, and proteolysis by matrix pro- teases. Materials and methods Cloning and Construction of Matrilin-3 cDNAs Full-length mouse matrilin-3
Ngày tải lên: 20/06/2014, 01:20
AIR POLLUTION – MONITORING, MODELLING, HEALTH AND CONTROL pot
... Trang 1AIR POLLUTION – MONITORING, MODELLING, HEALTH AND CONTROL Edited by Mukesh Khare Trang 2Air Pollution – Monitoring, Modelling, Health and Control Edited by Mukesh Khare ... Monitoring, Modelling, Health and Control, Edited by Mukesh Khare p cm ISBN 978-953-51-0381-3 Trang 5Contents Preface IX Chapter 1 Pollution and Air Quality in Târgovişte Municipality and ... Majkowska-Wojciechowska and Marek L Kowalski Trang 9on air quality monitoring, modelling, exposure, health and control The book seeks to provide environmental scientists, engineers, researchers and students
Ngày tải lên: 28/06/2014, 16:20
Assembly and PCB Layout Guidelines for QFN Packages Introduction potx
... Perimeter Lands and Thermal Pads The optimum and reliable solder joints on the perimeter pads should have about 50 to 70 µm (2 to 3 mils) standoff height Stencils should be laser cut and electropolished ... Perimeter Lands and Thermal Pads" section provides some guidelines for stencil design based on Actel experience and information from subcontractors on the surface mounting of dual-row and three-row ... height Area ratios and aspect ratios of 0.66 and 1.5, respectively, were never exceeded, to maintain proper stencil design • The land pattern on the PCB should be 1:1 to the land pads on QFN package
Ngày tải lên: 08/08/2014, 12:22
báo cáo khoa học: " Targeted isolation, sequence assembly and characterization of two white spruce (Picea glauca) BAC clones for terpenoid synthase and cytochrome P450 genes involved in conifer defence reveal insights into a conifer genome" pdf
... (A) and CYP720B4 (B) and comparison of 3CAR with the grand fir (Abies grandis) limonene synthase (LIM) and pinene synthase (PIN) genes (C) Figure 2 Gene structure of white spruce 3CAR (A) and ... (1,452 bp) and eight introns and includes transcribed 5'- and 3'-UTRs of 38 bp and 134 bp, respectively (Figure 2B) The intronic region covers 50% of the gene sequence between the start and stop ... and isolation of TPS and P450 genes using PCR-based screening of a non-arrayed white spruce BAC library of 3X genome coverage, and the subse-quent gDNA insert sequencing, sequence assembly, and
Ngày tải lên: 12/08/2014, 03:21
Báo cáo y học: " Design, assembly, and validation of a nose-only inhalation exposure system for studies of aerosolized viable influenza H5N1 virus in ferrets" ppt
... temperature and humidity monitor (Thermo Fisher Scientific, Waltham, MA). 5. Monitoring and control of system flow rate Mass flow meters (0 - 4 L/min from Dwyer Instruments, Inc., Ivyland, PA) and a ... aerosols -and "dilution" air used to create the desired aerosol concentration and flow. Air supplied to the system is controlled at precise flow rates and pressures with electronic and manual ... the air-handling and sys- tem components after assembly of the NBIES. Leaks detected (if any) were sealed and the system repeatedly retested to verify remediation. To improve safety and extend
Ngày tải lên: 12/08/2014, 04:20
Báo cáo y học: " Human Polycomb group EED protein negatively affects HIV-1 assembly and release" pot
... whereby EED and Nef were depleted from the membranes and redirected to a still undefined compartment EED did not inhibit Gag protein synthesis, and our results suggested that virus assembly and genome ... (M) and insoluble pellet (P) (Fig 8a), and each fraction probed for Gag, EED and Nef proteins As expected, Gag polyprotein precursor and maturation products were mainly detected in fractions M and ... Drosophila and in mammals [17] Several types of PRCs have been identified and commonly called PRC1, PRC2 and PRC3 [23] PRC2/3 contain at least five components, EED, EZH2, SUZ12, RbAp38 and AEBP2
Ngày tải lên: 13/08/2014, 05:22
Báo cáo y học: "Characterization of the invariable residue 51 mutations of human immunodeficiency virus type 1 capsid protein on in vitro CA assembly and infectivity" docx
... expression systems and studied their effects on in vitro capsid assembly and virus infectivity Two substitution mutations (D51E and D51N) had no substantial effect on in vitro capsid assembly, yet ... from transfected cells and their infectivity Virus release from transfected cells and their infectivity HeLa-tat III, 293T, and COS7 cells were transfected with mutant and wild type proviral ... the rate of assembly may be variable The effects of D51 mutations on in vitro CAp24 assembly was monitored spectrophotometrically, and as expected, the assembly rate of both D51N and D51E mutants
Ngày tải lên: 13/08/2014, 05:22
Báo cáo sinh học: "Mapping quantitative trait loci (QTL) in sheep. II. Meta-assembly and identification of novel QTL for milk production traits in sheep" docx
... position of QTL A and QTL B for useful yield (UP) and protein (PP) content and somatic cell count (SCC); the QTL effect and the standard error (SE) of both QTL positions QTL A and QTL B (positions ... somatic cell count and score and the cumulative somatic cell count and score; chromosomes are separated by vertical lines and further the significance thresholds (LOD = 2 and LOD = 3) are shown ... written as k i = κ i + K i , b i = β i + B i and c i = χ i + C, where κ i , β i and χ i are the fixed effects and K i , B i and C i are random deviations from these fixed effect means,
Ngày tải lên: 14/08/2014, 13:21
Báo cáo y học: "Assembly and characterization of heterochromatin and euchromatin on human artificial chromosome" ppt
... University School of Medicine and University Hospitals of Cleveland, Cleveland, OH 44106, USA. † Institute for Genome Sciences and Policy and Department of Molecular Genetics and Microbiology, Duke ... Research Assembly and characterization of heterochromatin and euchromatin on human artificial chromosomes Brenda R Grimes *‡ , Jennifer Babcock * , M Katharine Rudd *† , Brian Chadwick *† and Huntington ... unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited. Assembly and characterization of heterochromatin and euchromatin on human artificial
Ngày tải lên: 14/08/2014, 14:21
tekla tutorial lesson 11b assembly and single part drawings
... Trang 1Assembly and Single Part Drawings Trang 2Contents 11 Assembly and Single Part Drawings 3 11.1 Integration between Drawings and the Model 4 11.2 Create Drawings ... Manually 41 Trang 411 Assembly and Single Part We will then edit the drawing properties and create a new drawing wizard The Drawing Wizard will use the edited drawing properties and the select filters ... drawings Revision control of all drawing types is presented in Lesson 10 Principles of working with drawings In this lesson Trang 511.1 Integration between Drawings and the Model Assembly and single-part
Ngày tải lên: 24/10/2014, 22:31
Real time monitoring and control of critical dimensions in lithography
... my parents and mywife for their companion and love I would have never reached so farwithout their constant encouragement and support Trang 41.1 Motivation 1 1.2 Review of Process Control for ... modelling and control The spectroscopicellipsometry working principle and its applications are presented in Chapter 3 Chapter 4 proposes an in-situ real-time across wafer CD monitoring andcontrol ... 4.3 Control Framework and Experimental Results 81 4.3.1 Control framework 81 4.3.2 Experimental results and discussion 86 4.4 Conclusion 100 Chapter 5 Feedforward/Feedback Control
Ngày tải lên: 08/09/2015, 19:26
Biofilms in water separation membrane processes from community structure and ecological characteristics to monitoring and control
... comprehensive understanding into the biology of biofilms associated with water purification membranes (MF and RO), and to address the inadequacies of current biofilm monitoring and control strategies ... its monitoring and control The materials presented here are focused mainly on the biofouling of MF and RO membranes, its analysis methodologies and the inadequacies associated with current monitoring ... Monitoring 41 2.6.1 Organic carbon-based biofilm monitoring 41 2.6.2 Surface-based biofilm monitoring .46 2.7 Biofilm Control .48 2.7.1 Conventional biofilm control...
Ngày tải lên: 12/09/2015, 08:19
Synthesis and characterization of novel jacketed polymers and investigation of their self assembly and application 5
... refractometer HPLC system and Waters Styragel HR 4E columns using THF as eluent and polystyrene as standard UV and fluorescence spectra were performed on a HP 8452A spectrophotometer and SHIMDZU RF 500 ... polymer 3b, and 3c showed corresponding Tg at 85 °C and 112 °C, respectively However, polymer 3c showed a higher Tg than the other two polymers, which might be due to the presence of rigid and bulky ... polymer 3a, 3b and 3c measured in a nitrogen atmosphere 5.3.2 Optical properties The spectroscopic properties of polymers 3a, 3b and 3c were measured in chloroform solution The absorption and emission...
Ngày tải lên: 16/09/2015, 17:11
Synthesis and characterization of novel jacketed polymers and investigation of their self assembly and application 3
... chains and rigid units may be insignificant and the full polymer chain adopts a cylindrical geometry, whereas, in P2C10 and P1-C10, the backbone and mesogenic units form the rigid core and the ... temperatures of P1-C4 and P1-C10 decrease to 64.8 °C and 24.8 °C, respectively Similarly, P2-C1 shows a glass transition at 63.1 °C whereas the Tgs of P2-C4 and P2-C10 decrease to 20.4 and –19.7 ºC It ... equipped with a Water 410 differential refractometer HPLC system and Waters Styragel HR 4E columns using THF as eluent and polystyrene as standard The XRD patterns were recorded on a powder diffractometer...
Ngày tải lên: 16/09/2015, 17:11
Synthesis and characterization of novel jacketed polymers and investigation of their self assembly and application 2
... region and a broad peak at 2θ = 7.52 and 20.2°, from which a d spacing of 11.8 and 4.4 Å is derived For P02 and P04, the diffraction patterns only exhibit one broad peak at 2θ = 20.1o and 20.2 o, and ... mol), and 100 ml absolute ethanol were added to a 250 ml roundbottom flask, and purged with N2 for 20 0.9 g NaOH was added to the mixture and purged with N2 for another 20 min, heated to 60 °C and ... of 35.9Å, 30.6 Å and 18.0 Å are derived It also offers a sharp reflection in the middle angle region and a broad halo at 2θ = 7.42 and 19.9 °, from which d spacings of 11.9 Å and 4.5 Å are derived...
Ngày tải lên: 16/09/2015, 17:11
Synthesis and characterization of novel jacketed polymers and investigation of their self assembly and application
... actuating, and control devices with components in the nano- or microscale Various chemical synthesis and physical manipulation techniques are under development to meet the challenge of architectural control ... cavities of inorganic clay and sieves2-3, or self -assembly methods to develop nanostructured materials Self -assembly of molecules through non-covalent forces including hydrophobic and hydrophilic effects, ... der Waals interactions, and shape effects, to control the self -assembly of polymer chains in the lattice The novel polymers were characterized with GPC, DSC, TGA, FTIR, 35 and NMR This work show...
Ngày tải lên: 16/09/2015, 17:11