photochemistry and radiation chemistry of liquid alkanes formation and decay of low energy excited states

Báo cáo y học: "Monte Carlo Commissioning of Low Energy Electron Radiotherapy Beams using NXEGS Software"

Ngày tải lên : 03/11/2012, 10:05

... between the 90% of maximum and 50% of maximum points on the profile δ2: for points in the high dose gradient region of the penumbra of primary axis profiles, the displacement of isodose curves ... ijklm and σ ijklm Note that in computing µ ijklm and Fig σ ijklm , we in fact compute averages over all relevant profiles, that is, over both X and Y profiles (and in the case of j = , over D profiles ... 65 information and other information necessary for the simulation of IMRT or dynamic arc therapy if desired Because NXEGS is a proprietary code, we are aware of neither the precise details of the...

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Báo cáo toán học: "A complete treatment of low-energy scattering in one dimension " ppsx

Ngày tải lên : 05/08/2014, 15:21

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Chemistry of Pyrotechnics Basic Principles and Theory potx

Ngày tải lên : 22/03/2014, 09:20

... age of iron and steel and with it the era of machines and of rapid transportation and communication.”10 Black powder remains a viable energetic material today; it ignites readily and reliably and ... amounts of energy, and explosives engineers take advantage of this energy and the associated shock and pressure to work Propellants are designed to burn quite rapidly under the confinement of a ... principles and theory of pyrotechnics Much of the material is also applicable to the closely related areas of propellants and explosives The term high -energy chemistry will be used to refer to all of...

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Chemistry of C-C π-bonds Lectures 1-4: Alkenes, Alkynes and Conjugation doc

Ngày tải lên : 22/03/2014, 20:20

... The Chemistry of C-C π-Bonds - - Alkene and Alkyne chemistry I  Alkene chemistry Structures and influence of orbitals on reactivity: How alkenes react and why? Typical reactions of alkenes: ... Borderline N3-, -CN, RNH2, Br- Soft I-, RS-, RSH, R3P, R2S Soft = The Chemistry of C-C π-Bonds - 38 - Examples of addition of HARD and SOFT nucleophiles:  Addition of thiolate anion: O  SPh PhSH, ... BONDING HOMO BONDING BONDING BONDING The oxygen atom perturbs the system and lowers the energy of all of the orbitals The Chemistry of C-C π-Bonds - 32 - Direct Addition versus Conjugate Addition –...

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Báo cáo khoa học: Glycation and glycoxidation of low-density lipoproteins by glucose and low-molecular mass aldehydes Formation of modiﬁed and oxidized particles pot

Ngày tải lên : 31/03/2014, 01:20

... in the presence of 100 mM glucose compared with the controls is consistent with a very low rate of radical formation in Protein oxidation and modiﬁcation The formation of the Tyr and Phe oxidation ... lipids and protein side chains in LDL and the depletion of a-tocopherol by glucose and the two aldehydes examined appears to proceed slowly, even in the presence of low concentrations of Cu2+ ... oxidation of low- density lipoprotein and whole serum Free Radic Res 36, 521–529 Thornalley, P.J (1996) Pharmacology of methylglyoxal: formation, modiﬁcation of proteins and nucleic acids, and enzymatic...

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sol-gel science the physics and chemistry of sol-gel processing

Ngày tải lên : 01/04/2014, 10:40

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chemistry of superconductor materials; preparation, chemistry, characterization and theory, vanderah, 839pp

Ngày tải lên : 09/05/2014, 17:09

... \Ibkrme cHARAcTEFIIuTK)NoF-mMAMcGuire m TEcHNou)(jy: HANDXXXOFPLSMA Jerome J Cuomo, and William D Westwood HANDBOOK OF KXYMER A Hughes CQATfMGB m -oFBPurrER Hayakawa DEposmoN OF supERcoNoucToR edited ... Bhat coFwosK)N OF GIMS, CERAMKX AND CEFMMKZ SUpERcoNwcToRs: David E Clark and Bruce K Zoitos edited by Related Titles ADHEWES TEcHNou)(jY HANDBOOK OF lHEFMXi3 SURFACE -MLON Wegman FOFMUlATlNG HANDBOCX ... Introduction and Crystal Chemistry of Oxide Superconductors Bertrand L Chamberland O INTRODUCTION The objectives of this chapter are to introduce the reader to the interesting and important phenomenon of...

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the chemistry of nanomaterials. synthesis, properties and applications, 2004, p.761

Ngày tải lên : 04/06/2014, 14:19

... Cheetham (Eds.) The Chemistry of Nanomaterials Synthesis, Properties and Applications in Volumes Volume Prof Dr C N R Rao CSIR Centre of Excellence in Chemistry and Chemistry and Physics of Materials ... Department of Chemistry and Biochemistry University of South Carolina Columbia, SC 29208 USA S A Davis Department of Chemistry University of Bristol Bristol, BS8 1TS UK M W DeGroot Department of Chemistry ... Center Of Super-Diamond and Advanced Films (COSDAF) & Department of Physics and Materials Science City University of Hong Kong C J Murphy Department of Chemistry and Biochemistry University of South...

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physics and chemistry of micro-nanotribology, 2008, p.290

Ngày tải lên : 04/06/2014, 15:09

... comparison of particles and liquid Therefore, the velocities of liquid are consistent with the velocities of particles, that is, the motion of nano-particles can reﬂect the ﬂow of liquid verily ... the PZT The software of the FFM mainly consists of three parts: ͑1͒ the program of scanning, data collecting, and image displaying, ͑2͒ the program of making force curve of cantilever and setting ... occurrence of stick-slip depends on the sliding velocity and the stiffness of the system, and the mechanism of the phenomenon can be interpreted in terms of periodic transition between liquid and solid...

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vol 2 the chemistry of wine, stabilization and treatments

Ngày tải lên : 12/06/2014, 11:36

... Handbook of Enology Volume The Chemistry of Wine Stabilization and Treatments 2nd Edition Handbook of Enology Volume The Chemistry of Wine Stabilization and Treatments 2nd Edition ... conﬁguration of the asymmetrical carbons is deduced from that of the sugars from which they are directly Handbook of Enology Volume 2: The Chemistry of Wine and Stabilization and Treatments and D Dubourdieu ... 2.8 29 24 −5 5.5 16 Handbook of Enology: The Chemistry of Wine Table 1.7 Demonstration of interactions between organic acids and the effect of alcohol on the buffer capacity of tertiary combinations...

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The Chemistry of Food and Nutrition, by A. W. Duncan pdf

Ngày tải lên : 28/06/2014, 19:20

... main source of muscular energy The fact that animals, capable of the most prolonged and powerful exertion, thrive on vegetables of comparatively low proteid value, and that millions of the strongest ... comparison of flesh and vegetable food, shows in flesh an excessive quantity of proteid matter, a very small quantity of glycogen (the animal equivalent of starch and sugar) and a variable quantity of ... workers in the cause of health are lacking in scientific knowledge, especially of physiology and chemistry By their immature and sweeping statements from the platform and press, they often bring discredit...

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structure and chemistry of crystalline solids

Ngày tải lên : 06/07/2014, 15:30

... framework for considering the mechanism of formation and transformation of crystal structures The transformations of structures of metals, ccp, hcp, and bcc, are of particular interest These are considered ... Wyckoff’s volumes, Crystal Structures, and Pearson’s The Crystal Chemistry and Physics of Metals and Alloys Refinements are available for some of these structures The descriptions and figures of ... also reverse the roles of pairs of T layers (Tþ and TÀ ) with the roles of P and O together The first T layer above a P layer is Tþ , and this becomes O and TÀ becomes P P and O layers become T...

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Báo cáo khoa học: "Measurement and transmission within modelling a of radiation stand of maritime pine" pot

Ngày tải lên : 08/08/2014, 19:21

... description of canopy water and CO exchange first demands that we model the absorption of net radiation and PAR by each layer The maritime pine forest of south-west France (Les Landes) consists of well-separated ... the waveband 400-700 nm (PAR): and over the waveband 400-1100 nm (solar radiation) : where (x) (x) (x) s b d R R + R is the non-inter= density of solar radiation at LAI x and R is the net radiation ... transmittance of the needles Rearranging [4a] and [4b] leads to the following 2nd-order linear differential equations: an When a foliage element intercepts a beam of radiation, it reflects part of it and...

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Báo cáo lâm nghiệp: " A comparison of the photosynthetic radiation response of Scots pine shoots in direct and diffuse radiation" pot

Ngày tải lên : 09/08/2014, 04:20

... within the needle and the transmission of radiation was assumed to be an exponential function of the Measured rates of photosynthesis of a shoot subjected to direct and diffuse radiation, respectively ... surface and that needles are optically black, i.e., there is no transmission of radiation within thetic response per unit of intercepted radiation and the difference between the respective rates of ... diffuse radiation, the rate of photosynthesis in the diffuse radiation field was predicted (Fig 2B) The root mean square error of predicted rates in diffuse radiation varied between 1.45 and 3.65 and...

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Báo cáo khoa học: "Successful radiation treatment of anaplastic thyroid carcinoma metastatic to the right cardiac atrium and ventricle in a pacemaker-dependent patient" pps

Ngày tải lên : 09/08/2014, 09:20

... Therapy of the heart in a patient with Leukemia, Heart Block and Hypertension: Report of a Case New England Journal of Medicine 1944, 230(26):793 Aronson SSaH: Tumors Of The Heart Ii Report Of A ... knowledge, this is the first report of the successful treatment of cardiac metastases encasing the leads of a pacemaker, and of cardiac metastases from ATCs, with a review of the pertinent literature ... Tumor Of The Heart Involving The Pericardium And The Bundle Of His With Remission Following Deep Roentgen-Ray Therapy Annals of Internal Medicine 1940, 14:4728-4736 Orcurto MV, et al: Detection of...

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Báo cáo khoa học: " The membrane targeted apoptosis modulators erucylphosphocholine and erucylphosphohomocholine increase the radiation response of human glioblastoma cell lines in vitro" pdf

Ngày tải lên : 09/08/2014, 10:20

... and ErPC3 decrease the number of clonogenic T98G cells and increase radiation- induced eradication of clonogenic T98G ErPC and ErPC3 decrease the number of clonogenic T98G cells and increase radiation- induced ... drug-concentration and radiation dose (Fig 4B) While the combination of 12.5 and 25 µM ErPC only slightly increased the cytotoxic efficacy of ionizing radiation, the combination of 50 µM with ionizing radiation ... benefit of refined surgery, aggressive chemotherapy or improved technology of radiation therapy [1-4] In this regard, low intrinsic sensitivity of the malignant cells to ionizing radiation and standard...

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ORGANIC AND PHYSICAL CHEMISTRY OF POLYMERS phần 1 docx

Ngày tải lên : 14/08/2014, 10:20

... rupture and degradation of covalent bonds and formation of small molecules The measurement of E co requires the use of indirect methods such as the comparison of swelling or dissolution in liquids of ... physical chemistry Organic and Physical Chemistry of Polymers by Yves Gnanou and Michel Fontanille provides a unique approach to combine fundamentals of organic and physical chemistry and apply ... ORGANIC AND PHYSICAL CHEMISTRY OF POLYMERS ORGANIC AND PHYSICAL CHEMISTRY OF POLYMERS Yves Gnanou Michel Fontanille A JOHN WILEY & SONS, INC., PUBLICATION ORGANIC AND PHYSICAL CHEMISTRY OF POLYMERS...

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ORGANIC AND PHYSICAL CHEMISTRY OF POLYMERS phần 2 ppt

Ngày tải lên : 14/08/2014, 10:20

... volume of pure solvent and Na is Avogadro’s number For the calculation of the entropy of mixing, it is necessary to consider the conformational entropies of pure solvent, of pure polymer, and of ... the mixing and also the existence of lower and higher critical temperatures of phase separation when there is a great disparity in the size of components and At high pressure and/ or low temperature ... conformation is used to describe the position of a limited number of atoms, and molecular conformation or macroconformation refers to a sequence of microconformations along the chain Local conformations...

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ORGANIC AND PHYSICAL CHEMISTRY OF POLYMERS phần 3 ppsx

Ngày tải lên : 14/08/2014, 10:20

... York F A., Bovey and L W Jelinski, Chain Structure and Conformation of Macromolecules, Academic Press, New York, 1982 6 DETERMINATION OF MOLAR MASSES AND STUDY OF CONFORMATIONS AND MORPHOLOGIES ... represents the mass of the solute, V1 and V2 are the volumes occupied by the solvent and the solute, N1 and N2 are the number of molecules of solvent and solute, and M2 is the molar mass of the solute ... between the increase of the free energy of the system related to torsional and longitudinal oscillations of extended chains under the effect of molecular agitation and the tendency of the crystal to...

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