... with loss of conscious ness for minute, hour before admission History of the Present Illness: Time of occurrence and description of the episode Duration of unconscious ness, rate of onset; ... complains of abnormal vaginal bleeding for two weeks History of the Present Illness: Last menstrual period, age of menarche; regularity, duration and frequency of menses; amount of bleeding, number of ... History, Pertinent Physical Examination, and Laboratory Data: Describe the course of the patient's disease up until the time that the patient came to the hospital, including physical exam and laboratory...
Ngày tải lên: 16/12/2013, 13:15
... races and physical of Ede’s males in Tay Nguyen” by Mai Van Thin, “Some morphological and physical indexes of learners of Thanh Hoa Teachers Training College” by Mai Van Hung, “ The indexes of morphological ... of Science, Natural Sciences and Technology 24 (2008) 50-55 Conclusions For the reality of anthropometry index of South Korean students: Basic morphological and physical indexes of students of ... between females and males of Korean students Comparison of basic anthropometric indexes of Korean students and Vietnamese students Average basic anthropometric indexes of Korean students and Vietnamese...
Ngày tải lên: 22/03/2014, 09:20
PREDICTION OF CHEMICAL REACTIVITY PARAMETERS AND PHYSICAL PROPERTIES OF ORGANIC COMPOUNDS FROM MOLECULAR STRUCTURE USING SPARC pptx
... properties to Program Offices (e.g., Office of Water, Office of Solid Waste and Emergency Response, Office of Prevention, Pesticides and Toxic Substances) and Regional Offices Also, SPARC has been used ... databases The strength of the electrostatic interaction between S and C depends on the magnitude and relative orientation of the local fields of S and C and the dielectric properties and distances through ... (Independent of the property, C and S), and reaction center susceptibility, which rates the response of C to the effect in question (depends on the property, independent of S and R) The contributions of...
Ngày tải lên: 22/03/2014, 14:20
A review of the chemical and physical mechanisms of the storage stability of fast pyrolysis bio oils
... 38 v A REVIEW OF THE CHEMICAL AND PHYSICAL MECHANISMS OF THE STORAGE STABILITY OF FAST PYROLYSIS BIO-OILS ABSTRACT Understanding the fundamental chemical and physical aging mechanisms ... this reaction include carbonates and chlorides of sodium and potassium; calcium and sodium sulfates; and calcium and sodium acetates (Adams and Adkins 1925; Adkins and Nissen 1922) Catalysts for ... Refractive Indices and Densities of Mixtures of Certain Alcohols and Aldehydes,” J Am Chem Soc., 50, pp 499-503 Adkins, H and Broderick, A.E (1928b) “The Rate of Synthesis and Hydrolysis of Certain Acetals,”...
Ngày tải lên: 19/06/2014, 14:02
Báo cáo hóa học: "Occupational medical prophylaxis for the musculoskeletal system: A function-oriented system for physical examination of the locomotor system in occupational medicine (fokus(C))" potx
... Examination Schedule 3: fokus(C) examination of the knee and ankle The table shows the different stages of examination of the knee and ankle region (screening – functional examination) following the ... (additional file 1) One hand of the physician fixes the axis of rotation on top of the head, the other hand pulls the chin in the direction of movement (figure 1) First the amount of possible rotation ... Screening of the thoracic and lumbar spine and the lumbar-pelvic-iliac region Screening of the thoracic and lumbar spine and the lumbar-pelvic-iliac region is carried out with the patient standing,...
Ngày tải lên: 20/06/2014, 00:20
Báo cáo hóa học: " Structural and physical properties of antibacterial Ag-doped nano-hydroxyapatite synthesized at 100°C" pptx
... image and EDAX (Figure 4) spectrum of Ca10-xAgx(PO4)6(OH)2, with x = and 0.2, are shown The morphology of the nanoparticles of HAp and Ag: HAp was investigated by SEM SEM images provide the Page of ... results of XRD and TEM, the FTIR and FT-Raman spectra of the HAp show the absorption bands characteristic of hydroxyapatite XPS results provide the additional evidence for the successful doping of ... and composition of the samples Figure shows the survey XPS narrow scan spectra of Ag:HAp (x = 0.2) nanopowder obtained at 100°C and XPS narrow scan spectra of Ag element In the XPS spectrum of...
Ngày tải lên: 20/06/2014, 23:20
Synthesis and Physical Properties of Polyester Amides Derived from Lipid-Based Components
... Study the effects of crystallinity on the physical properties of the PEAs Prepare a PEA with an ester to amide ratio of 4:1 in order to model the trend observed in the physical properties ... al., Journal of Biomaterials Science-Polymer Edition, 2007 18(6): p 673-685 Guo, K and C.C Chu, Journal of Polymer Science Part a-Polymer Chemistry, 2005 43(17): p 3932-3944 Advantage of Lipid-based ... increased elasticity The increase of ester to amide ratio in PEA structure will diminish the mechanical strength of the polymer Synthesis of the PEA Step 1: Synthesis of different diols from oleic...
Ngày tải lên: 02/07/2014, 13:01
ORGANIC AND PHYSICAL CHEMISTRY OF POLYMERS phần 1 docx
... 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 ... 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 ... 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...
Ngày tải lên: 14/08/2014, 10:20
ORGANIC AND PHYSICAL CHEMISTRY OF POLYMERS phần 2 ppt
... shortcoming, Flory modified the initial version of his model and reconsidered the assumptions of an enthalpy of mixing and of an energy of contact independent of the temperature Observing that in solutions ... 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 random walk Gaussian statistics This force field is comprised of two components of opposite nature, one of repulsion and hence the expansion and the other one of retraction which is of entropic...
Ngày tải lên: 14/08/2014, 10:20
ORGANIC AND PHYSICAL CHEMISTRY OF POLYMERS phần 3 ppsx
... 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 ... 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 BY PHYSICAL ... interpenetration of the “threads” of a left-handed helix with those of the four right-handed helices which surround it and vice versa Figure 5.18 represents an arrangement of such chains in which the size of...
Ngày tải lên: 14/08/2014, 10:20
ORGANIC AND PHYSICAL CHEMISTRY OF POLYMERS phần 4 pptx
... rules of selection For example, in the case of polyamide-6,6, a linear variation of the intensity of two characteristic absorption bands is observed as a function of the density and hence degree of ... mass of the particle and z represents the number of charges carried Because of their thermal instability and their lack of volatility, polymers cannot be characterized by this technique The use of ... “time of flight” (TOF) spectrometer offers an elegant and effective method for the precise and absolute determination of polymer molar masses Initially designed for the characterization of biomolecules,...
Ngày tải lên: 14/08/2014, 10:20
ORGANIC AND PHYSICAL CHEMISTRY OF POLYMERS phần 5 potx
... of formation of an m dyad—that is, the insertion of two successive units of the same configuration ([R] or [S]) and define Pr as the probability of formation of an r dyad, with Pr = (1 − Pm ) and ... Probability (Ptr ) of formation of i, h, and s triads, according to Bernouillian statistics In Figure 8.1 are plotted the variations of the probabilities of existence of the various types of triads against ... dispersity of their molar masses Because the number of chains is determined by the number of molecules of initiator, the degree of polymerization of chains can be easily expressed as a function of the...
Ngày tải lên: 14/08/2014, 10:20
ORGANIC AND PHYSICAL CHEMISTRY OF POLYMERS phần 6 doc
... presence of a solvent The lack of solubility of some of the polymers restricts the possibilities of modifying them Another specificity of polymers’s modification is the statistical (generally random) and ... permittivity, r1 and r2 are the ionic radius of cation and anion, respectively, and e is the electron charge This relation shows that by increasing the apparent ionic radius of the cation and that of the ... into account the effects of different structural factors: nature of monomer, nature of solvent, retrogradation of equilibrium between ion pairs and free ions, and nature of counterion Monomers...
Ngày tải lên: 14/08/2014, 10:20
ORGANIC AND PHYSICAL CHEMISTRY OF POLYMERS phần 7 docx
... engineering, and in many aspects this domain of polymer chemistry is close to that of polymerization reactions and/ or that of polymer chemical modification (see Chapters 7, 8, and 9) The variety of potentially ... groups The use of techniques of high sensitivity and precision such as mass spectrometry (MALDI-TOF) is helpful with respect to the identification of these functional groups 10.3 BLOCK AND GRAFT COPOLYMERS ... chains’architecture and, in particular, by the presence and the location of branching points It is not the aim of this section to give a comprehensive account of the synthesis of all possible architectures/topologies,...
Ngày tải lên: 14/08/2014, 10:20
ORGANIC AND PHYSICAL CHEMISTRY OF POLYMERS phần 8 ppsx
... to the variation of the dimension of elastic chains as a result of a macroscopic deformation Models that express the impact of a stress applied at a macroscopic scale and thus of the deformation ... FORMULATION, AND POLYMER PROCESSING TECHNIQUES two models, that of Rouse and that of reptation, thus differ by their description of both the diffusion and the viscosity of polymer melts The viscosity of ... situations: (a) soft and strong polymer; (b) soft and ductile polymer; (c) rigid and fragile polymer; (d) rigid and ductile polymer A brittle fracture occurs in the elastic range and is associated...
Ngày tải lên: 14/08/2014, 10:20
ORGANIC AND PHYSICAL CHEMISTRY OF POLYMERS phần 9 ppt
... Structure of Starch Although the general formula of this polysaccharide of vegetable origin is identical to that of cellulose (C6 H10 O5 )n , their 502 NATURAL AND ARTIFICIAL POLYMERS physical and ... bases (one internal and one external) to attain rates of mm triads close to 99% and activities (see definition in Section 8.8.2) of several hundreds of grams of PP per gram of Ti per h pe MPa Although ... value of the degree of crystallinity, which can vary from 25% to 55% The melting zone of PVF is dependent on the degree of crystallinity and is in the range of 190–200◦ C The amorphous fraction of...
Ngày tải lên: 14/08/2014, 10:20
ORGANIC AND PHYSICAL CHEMISTRY OF POLYMERS phần 10 ppt
... Handbook of Thermoplastics, Marcel Dekker, New York, 1997 A K., Bhowick and H L., Stephens (Ed.), Handbook of Elastomers, Marcel Dekker, New York, 1988 M Lewin and E Pearce (Ed.), Handbook of Fiber ... solution The structure and the properties of the final material are determined by the composition of the reaction medium, its pH, and the time and temperature of reaction The first step of the process ... major application of UF resins, which nearly correspond to 70% of the utilization of these materials, is in the field of adhesives and, more particularly, in the industry of wood and its derivatives...
Ngày tải lên: 14/08/2014, 10:20
A comparative study of the biological and physical properties of viscosity enhanced root repair material (VERRM) AND MTA
... STUDY OF THE BIOLOGICAL AND PHYSICAL PROPERTIES OF VISCOSITY ENHANCED ROOT REPAIR MATERIAL (VERRM) AND MTA PALLAVI UPPANGALA (BDS RGUHS, India) A THESIS SUBMITTED FOR THE DEGREE OF MASTER OF SCIENCE ... Portland Cement 2.2 Physical properties of MTA 2.3 Biological Properties of MTA 13 2.4 Comparison of White and Gray MTA 20 2.5 Comparison between MTA and ... Bachelor of Dental Surgery (B.D.S), Rajiv Gandhi University of Health Sciences, Bangalore, India Department: Oral and Maxillofacial Surgery, Faculty of Dentistry Thesis Title: A comparative study of...
Ngày tải lên: 15/09/2015, 22:51
STABLE AND PHYSICAL RESPONSE OF CONVEX HYPERELASTIC MODELS FOR FIBRE REINFORCED MATERIALS ỨNG xử tự NHIÊN và ổn ĐỊNH của các mô HÌNH SIÊU đàn hồi lồi mô tả các vật LIỆU COMPOSIT cốt sợi
... nonlinear discrete governing equation because of both geometrically and physically nonlinearity from large deformation and the constitutive relation of the material, respectively As a result, the ... Pseudoelasticity of arteries and the choice of its mathematical expression, Am J Physiol., 1979 vol 237, no 5, p H620–31 AUTHOR’S INFORMATION TS Minh Tuan DUONG, Hanoi University of Science and Technology, ... Fung-type model (MFH) [3] and the Holzapfel model [1] are convex [4] and are typical examples subjected to unphysical response in numerical simulation with thickness thickening of specimen strips in...
Ngày tải lên: 08/06/2016, 14:11
báo cáo hóa học: " Retrospective examination of injuries and physical fitness during Federal Bureau of Investigation new agent training" docx
... injury, comparisons of injury incidence rates in men and women, and the associations between fitness and injuries in FBI new agent training Thirty-seven percent of men and 44% of women experienced ... Knapik et al.: Retrospective examination of injuries and physical fitness during Federal Bureau of Investigation new agent training Journal of Occupational Medicine and Toxicology 2011 6:26 Submit ... tactics training and another quarter of the cases were associated with physical fitness training Together, defensive tactics and physical fitness training accounted for 74% of activities associated...
Ngày tải lên: 20/06/2014, 00:20