solid state nmr spectroscopy principles and applications

... Chitosan Crystallinity High-resolution SSNMR spectroscopy A B S T R A C T We propose a novel approach relied on high-resolution solid-state 13C NMR spectroscopy to quantify the crys-tallinity ... x 3 h and 6 h The long-range ordering was estimated by means of crystallinity Fig 2 XRD patterns of α- and βCh (a); Ch5-60 and βCh (b); USAD (Ch1x, Ch2x and Ch3x) and depolymerized (3 h and 6 ... with [η ] values and the parameters K ’ and α parameters for chitins (M v) dCalculated by considering the M and the relative amounts of GlcNAc and GlcN units on chitosans (DP w ) and chitins (DP

Ngày tải lên: 01/01/2023, 12:28

... the three elements shown and i1 = 2 mA and i2 = 1.5 mA, what is the current i3? If i1= 1 mA and i3= 1.5 mA, what is i2? CHARACTERISTICS The relationship between current and voltage at the terminals ... voltages and currents Solution Known Quantities: Voltages across each circuit element; current in circuit Find: Which element dissipates power and which generates it Schematics, Diagrams, Circuits, and ... signed quantity, and that it is necessary to make a distinction between positive and negative power. This distinction can be understood with reference to Figure 2.13, in which a source and a load are

Ngày tải lên: 19/01/2014, 19:20

... Trang 1Principles and ApplicationsPolyurethanes as Specialty Chemicals Trang 2CRC PR E S SBoca Raton London New York Washington, D.C Principles and Applications T ThomsonPolyurethanes ... J.H., Andrade, and DeGennes, P.G J Colloid Int Sci 1991;142:149. 32 Jeon, S.J and Andrade, J.D J Colloid Int Sci 1991;142:159 (1991). 33 Amiji, M., and Park, K., Prevention of Protein Adsorption and ... repopulation and identification of the prolifer- Trang 16105 Griffith, L., and Naughton, G Tissue Engineering: Current Challenges and expandingopportunities Science 295, 1009, 2002. 106 Strain, A.J., and

Ngày tải lên: 23/03/2014, 11:20

... co-ordinates r and ©, and cartesian co-ordinates x and y are used In the polar co-ordinates, the metric tensors and covariant base vec- tors are: Trang 35BASIC TENSOR THEORY Using Equation 1.76 and the ... Einstein, important applications in other fields, such as differential geometry, classical mechanics, and the theory of elasticity, have evolved Therefore, the ability to understand and apply tensors ... Higher Rank and Mixed Tensors—Metric Tensors and the Line Element-— Base Vectors — Associated Tensors and the Inner Product—Kronecker Deltas CHAPTER II s 7 1 a L2 CC? RLS FOR EE VMBOLS AND CL

Ngày tải lên: 31/03/2014, 15:22

... equations 1n mafrix form and resort to Cramer”s rule to solve for Ấ2z„(s) as a function of V; (s) and Tipaq(s) Sha + Ra Kap I,(s) _ Vr(s) Trang 7 1006 Rizzoni: Principles and Applications of Electrical ... winding equivalent resis- circuit model tance and inductance, Ry and Lf, respectively, and the stator circuit is represented Trang 14 ® | Rizzoni: Principles and IV Electro mechanics 19 Introduction ... friction and windage losses) and their electrical characteristics (current and voltage requirements) Losses and efficiency are an important part of the operation of electric machines, and it should

Ngày tải lên: 08/04/2014, 23:03

... the techniques of node and mesh analysis, and the equations can subsequently be solved for the unknowns Trang 11 Rizzoni: Principles and I Circuits 3 Resistive Network Applications of Electrical ... Rizzoni: Principles and Chapter 3 Resistive Network Analysis These equations can be rearranged in standard form to obtain Solution Known Quantities: The values of the voltage sources and of ... voltages v,, v2, and v3, as shown in Figure 3.11 We note that v2 and v3 are dependent on each other One way to represent this dependency is to treat v2 Trang 2© | Rizzoni: Principles and I Circuits

Ngày tải lên: 08/04/2014, 23:05

... Trang 1Rizzoni: Principles and I Circuits Applications of Electrical Analysis Engineering, Fifth Edition 3.39 In the circuit shown in Figure P3.33, F, and Fy are fuses Under normal ... iterative technique to determine the voltage across and current through the nonlinear device Figure P3.81 Trang 7Rizzoni: Principles and I Circuits Applications of Electrical Analysis Engineering, ... 149 Trang 9Rizzoni: Principles and We continue the analogy between electrical and hy- draulic circuits If a vessel has some elasticity, energy is stored in the expansion and contraction of

Ngày tải lên: 08/04/2014, 23:06

... primary and secondary currents and voltages and turns ratios Calculate reflected sources and impedances across ideal transformers Understand maximum power transfer Transformers find many applications ... industrial applications are often served directly by three-phase power Understand the basic principles of residential electrical wiring, of electrical safety, and of the generation and distribution ... Rizzoni: Principles and I Circuits 7 AC Power Applications of Electrical Engineering, Fifth Edition 7.24 For the circuit of Figure P7.23, determine the power factor for the load and state whether

Ngày tải lên: 08/04/2014, 23:09

... Targeting: Strategies, Principles, and Applications Edited by: G E Francis and C Delgado © Humana Press Inc., Totowa, NJ Chemical Construction of Immunotoxins Victor Ghetie and Ellen S Vitetta 1 ... Principles, and Applications Edited by: G E Francis and C Delgado © Humana Press Inc., Totowa, NJ Construction of Ribonuclease–Antibody Conjugates for Selective Cytotoxicity Dianne L Newton and ... gel and comparing thedensity of the bands of the RNase and the heavy and light chains of the antibodywith a standard curve of known concentrations of RNase and antibody Trang 32concentrate the

Ngày tải lên: 10/04/2014, 22:17

... quantum effects and mixed domain Principles and Applications of NanoMEMS Physics contains five chapters Chapter 1 provides a comprehensive presentation of the fundamentals and limitations of ... sublimated from its solid form at 1 Torr and room temperature and, when applied to solid-phase Si, it obeys the following reaction: materials, such as, SiO2, Si3N4, Al, PR, and phosphosilicate ... Ultrasound-Based Proximity Sensors Series: Microsystems, Vol 4 Hornung, Mark R., Brand, Oliver Trang 4Principles and Applications of NanoMEMS Physics by NanoMEMS Research LLC, Irvine, CA, USA H

Ngày tải lên: 04/06/2014, 15:17

... both the primary users and secondary users hope to access S1 and S2 are two primary users, and R1 and R2 are two secondary users R1and R2 transmit their data to D only when S1 and S2are not transmitting ... distribution, and reproduction in any medium, provided the original work is properly cited. Trang 2IDMA-based cooperative partial packet recovery: principlesand applications 1School of Electronic and Information ... formattedPDF and full text (HTML) versions will be made available soon. IDMA-based cooperative partial packet recovery: principles and applications EURASIP Journal on Wireless Communications and Networking

Ngày tải lên: 20/06/2014, 20:20

... DataMorrison, Robert D. Environmental forensics : principles and applications / by Robert D Morrison p cm. Includes bibliographical references and index. ISBN 0-8493-2058-5 (alk paper) 1 Environmental ... capabilities relative to your case Chapters 3and 5 provide information on how to identify biased environmental data and sugges-tions in regard to the applications and review of biased environmental data, ... forensic review andinterpretation of scientific data used in support oflitigation involving soil and groundwater contamina-tion Dr Morrison has published articles and books Environ-on soil and groundwater

Ngày tải lên: 11/08/2014, 09:21

... Synonyms, and Characteristics of Diesel and Jet Fuels Product and Diesel No 1 Similar in composition to a blend of kerosene and diesel No 2 Diesel No 1 is manufactured in cold climates and is also ... steam-powered ships and for onshore power-generation plants and concentra-is primarily a mixture of diesel No 1 and No 2 and residual oil Bunker C concentra-is a distillation residue of crude oil and contains ... and dialy-sis Of these processes, absorption (the penetration of substances into the bulk of asolid or liquid) and adsorption (the surface retention of a solid, liquid, or gasmolecules by a solid

Ngày tải lên: 11/08/2014, 09:21

... intersected the silty sand and a highly permeable sand and gravellayer Concern about the longer screened, upgradient well diluting the TCE concen-tration via the uncontaminated sand and gravel layer ... of Testing Materials Fine sand to fines (silt and clay) German Standards Fine sand to silt British Standards Institute Trang 4a silt to a fine sand All are correct for their respective classification ... contact between the silty and clayey sand (dotted fill) and the silts and clays (white space) is interpreted to occur at a point that is not midpoint between MW- 1 and MW-B1 This interpretation

Ngày tải lên: 11/08/2014, 09:21

... where m water = 0.01 cP and r water = 1.0 g/cm 3 and m diesel and r diesel = 0.042 cP and 0.84 g/cm 3 , respectively. b Porosity = 0.30 and dH/dL = 1.0. * Plates 5.1 and 5.2 appear at the end ... et al., 1993; Glass and Nicholl,1996), funnel flow (Diment and Watson, 1985; Hill and Parlange, 1972; Kung,1990a,b; Philip, 1975), and macropore flow (Bouma, 1981; Morrison and Lowry,1990; White, ... conductivity of the soil, soil porosity, andthe hydraulic gradient for each horizon Assuming a knowledge of the underlyingsoils (pea gravel and mixed sands) and the saturated hydraulic conductivity

Ngày tải lên: 11/08/2014, 09:21

... instances and alternates between high and low values for others, determine if a pattern of intentional data bias exists A consistent method should be used andthe rationale for the selection clearly stated ... or Superfund and Resource Conservation and RecoveryAct (RCRA) investigations The primary components of this program include fieldand/or trip blanks, field duplicate sample results, and internal ... duplicates, and laboratory methodblanks) Historical CLP and non-CLP (e.g., Phase I or II investigations) may not beavailable If non-CLP data are excluded in an exhibit, plot the CLP and non-CLP dataand

Ngày tải lên: 11/08/2014, 09:21

... water phase and NAPL phase at equilibrium Trang 15Environmental Science and Technology, 31:3180–3187.Wang, H and M Anderson, 1982 Introduction to Groundwater Modeling: Finite Difference and Finite ... one-dimensional advective and dispersive equation for 222Rn transport, 222Rn release from mineral surfaces, and the 222Rn decay and partitioning of 222Rn between the NAPL and water phase are described ... Press LLC Trang 16Appendix E Chemicaland Commercial Synonyms for Selected Chlorinated Solvents and Aromatic Hydrocarbons Solvent and Chemical Formula Chemical and Commercial Synonyms Benzene (C6H6)

Ngày tải lên: 11/08/2014, 09:21

... Trang 1INFRARED SPECTROSCOPY: FUNDAMENTALS ANDAPPLICATIONS Barbara H Stuart University of Technology, Sydney, Australia Trang 3INFRARED SPECTROSCOPY: FUNDAMENTALS ANDAPPLICATIONS Trang 4Series ... published by John Wiley and Sons, Ltd, namely Modern Infrared Spectroscopy and Biological Applications of Infrared Spectroscopy, both in the ACOL series of open learning texts, and Polymer Analysis ... auseful and valuable source of teaching material, both for individual students andfor teachers of science courses Dave Ando Dartford, UK Trang 13Infrared spectroscopy is one of the most important and

Ngày tải lên: 19/03/2015, 09:57

... the cause-and-effect steps – Draw the graphs – Basic principles • relate to what you are learning Trang 21• Lines and curves shift• Shifts vs movements along a line Trang 22Tables and Graphs• ... society Trang 7Scarcity and Social Choice• Society faces a scarcity of resources Trang 8Scarcity and Economics• Problems studied in economics: the scarcity of resources—and the choices it forces ... conclusions Trang 14Why Study Economics• To understand the world better – Global events and personal phenomena • To achieve social change – Understand the origins of social problems – Design more

Ngày tải lên: 23/06/2016, 14:55

... Trang 1To understand reaction kinetics one needs to understand the difference between kinetics and equilibria Generally, equilibria involves forward and reverse reactions and it is defined as ... oxidation states are involved [Mn(II), Mn(III), and Mn(IV)] and form a large number of oxides and oxyhydroxides with various degrees of chemical stability (Bricker, 1965; Parc et aI., 1989; Potter and ... describing reactants and products in Equation 7.1 by Equation 7.5 and introducing the resulting equations into Equation 7.6, Based on the above, under standard pressure (1 atm) and temperature (25°C)

Ngày tải lên: 18/05/2017, 07:36