principles of polymer processing
... Assumptions, and the Lubrication Approximation, 60 2.1 2.2 2.3 2.4 2.5 Polymer Rheology and Non-Newtonian Fluid Mechanics, 79 3.1 3.2 3.3 3.4 Rheological Behavior, Rheometry, and Rheological Material Functions ... led to today’s diverse arsenal of sophisticated polymer processing machines and methods of processing polymers and polymer systems of ever-increasing complexity and variety As discussed later ... producers is a quarter of million, and by polymer processors is a million and a half A lay -of- the-land presentation, in flowchart form, of the thermomechanical experiences of polymer systems in processing...
Ngày tải lên: 02/04/2014, 16:29
... properties Chapter and physical properties of the SRO material investigated will also be briefly reviewed 1.1 Perovskite Materials Perovskite oxide materials are materials with the same type of crystal ... Perovskite materials generally have a chemical formula of ABX3 In spite of the simplicity of the primal peroskite crystal structure, this family of compounds shows a huge variety of structural ... sensors and electro-optical switches.36 In the following, we will discuss some examples of perovskite oxide materials that are typical for their unique and outstanding physical properties and we...
Ngày tải lên: 09/09/2015, 11:09
... hemodynamic function and not the type of malformation for this assessment The basis for this is a classification of postoperative (residual) findings or of the clinical conditions of children with ... experiences of perception and movement determine not only its physical and motor development but also crucially influence its emotional, psychosocial, and cognitive development (16, e7) Heart disease often ... healthy peers means improved quality of life and has a strong social and socializing aspect for children and adolescents Being forbidden to participate in sports and/ or limitations to the extent...
Ngày tải lên: 12/02/2014, 19:20
Tài liệu Time trends in leisure time physical activity and physical fitness in elderly people: 20 year followup of the Spanish population national health survey (1987-2006) docx
... proportional random selection of primary and secondary sampling units (towns and sections, respectively), with the final units (individuals) being selected by means of random routes and sex- and age-based ... contributions DPC conceived of the study, and participated in its design and coordination and draft the manuscript CAB carried out the acquisition of the data, analysis and interpretation of data She has ... prevalence of PA for adults aged 65 and over using Spanish National Health Surveys (SNHS) conducted in the period 1987-2006 The objectives of this study were: 1) to describe the prevalence of LTPA and...
Ngày tải lên: 14/02/2014, 06:20
Báo cáo " On equations of motion, boundary conditions and conserved energy-momentum of the rigid string " doc
... boundary of the rectangle Ω The advantage of the form of the variation δS is that it involves the least possible number of derivatives of the variations δxµ The remaining derivatives of δx in ... of the rigid string model are not easy to carry out because equations of motion of the classical string and the corresponding canonical structure are rather complicated Hamilton description of ... string Discussion of Hamilton formulation of dynamics of systems with reparametrization invariance, which is a special case of local gauge invariance, is complicated by a problem of constraints...
Ngày tải lên: 05/03/2014, 14:20
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
Sport and Physical Education in China potx
... husband and wife, even and odd numbers, softness and hardness in personality, and virtue and evil in behaviour The basis of the theory is that all is well when Yin and Yang are balanced and mutually ... elements of crosscultural and international aspects of physical education and sport, but also to facilitate deeper awareness and understanding in a variety of geographical political area and thematic ... the emancipation of women (for example from bound feet and concubinage), the freeing of peasants from the land, official rejection of Confucianism, eradication of the bourgeoisie and the mercantile...
Ngày tải lên: 24/03/2014, 02:20
phase equilibria and fluid properties in the chemical industry estimation and correlation
... Howard Hanley of the National Bureau of Standards; Robert Reid of the Massachusetts Institute of Technology; and L y m a n Yarborough of the Amoco Production C o They brought focus and structure ... state -of- the-art reviews of an area of chemical engineering often referred to as "thermodynamics and physical properties." T h e reviews should represent the work of both the academic researcher and ... Foundation was a key ingredien for many American and have been otherwise unable to participate T h e interest and support of Marshall L i h and William Weigand of the National Science Foundation were...
Ngày tải lên: 02/04/2014, 16:19
carbon nanotubes. basic concepts and physical properties, 2004, p.220
... present thc electronic band structure of single isolated tubes and of nanotube bundles as one of the two focii of this book in Chap The optical and transport properties of carbon nanotuhes arc ... the electronic band structure of a particular nanotube is found by cutting the two-dimensional band structure of graphene (see background of Fig 2.5) ~ into q lines of length x and distance / ... structure of graphene The electronic bands of grrtphene along the high-symmetry T-K-M and T - M directions are shown in Fig 3.1 The 7c valcncc and x* conduction band cross at the K point of the...
Ngày tải lên: 04/06/2014, 15:05
báo cáo hóa học:" General anxiety, depression, and physical health in relation to symptoms of heart-focused anxietya cross sectional study among patients living with the risk of serious arrhythmias and sudden cardiac death" doc
... Department of Public Health and Primary Health Care, University of Bergen, Norway 5Department of Public Health and Primary Health Care, University of Bergen, Norway Department of Public Health and Caring ... to shaping of the article and the editing of the article GEE contributed to the statistical analyses and the editing of the manuscripts KN participated in preparation and the editing of the article ... assessment of physical health which includes both functioning and evaluation of one’s ability to perform physical activity The PCS is standardized for the general population with a mean score of 50 and...
Ngày tải lên: 20/06/2014, 15:20
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
Báo cáo sinh học: " Research Article Multiple Positive Solutions of Fourth-Order Impulsive Differential Equations with Integral Boundary Conditions and One-Dimensional p-Laplacian" ppt
... x tk − x t− , where x tk and x t− represent the right-hand limit and left-hand k k limit of x t at t tk , respectively, and g, h ∈ L1 0, is nonnegative For the case of Ik 0, k 1, 2, , m, problem ... tk x tk − x t− , where x tk and x t− represent the right-hand limit and left-hand limit of k k x t at t tk , respectively, and g, h ∈ L1 0, is nonnegative By means of the transformation 2.5 , ... the book of Corduneanu 22 and Agarwal and O’Regan 23 On the other hand, boundary-value problems with integral boundary conditions constitute a very interesting and important class of problems...
Ngày tải lên: 21/06/2014, 16:20
Synthesis and Physical Properties of Polyester Amides Derived from Lipid-Based Components
... 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 ... based materials References: Hojabri, L., X.H Kong, and S.S Narine, Biomacromolecules, 2009 10(4): p 884-891 Williams, C.K and M.A Hillmyer, Polymer Reviews, 2008 48(1): p 1-10 Previous Examples of ... sustainable materials Not suitable for biomedical applications References: Ahmad, S., S.M Ashraf, and F Zafar, Journal of Applied Polymer Science, 2007 104(2): p 1143-1148 Zafar, F., et al., Journal of...
Ngày tải lên: 02/07/2014, 13:01
Báo cáo sinh học: "Untangling the web of functional and physical interactions in yeast" pdf
... Examples of motifs, themes, and thematic maps discovered in Zhang et al [15] (a-c) A theme capturing the co-regulation of members of a protein complex by a pair of transcription factors, and a corresponding ... probabilistic model of genetic and physical interactions that allows prediction of new protein functions and genetic interactions in addition to studying the organizational principles of the integrated ... enriched three-gene motifs out of the total set of 50 possible three-gene patterns with different types of interaction connecting the genes Because of the large number of potential multi-color four-gene...
Ngày tải lên: 06/08/2014, 18:21
Báo cáo khoa học: "Relation between ecological conditions and fir decline in a sandstone region of the Vosges mountains (northeastern France) Anne-Laure Thomasa, Jean-Cl." potx
... distribution of damage and the nature of parent rock and soil type could otherwise been have interpreted as a lack of effect of the soil characteristics on the condition of fir The conclusions of some ... The probability of erroneous classification was 36% with the model set and 33% using cross validation The results show that 70% of the variability of defoliation and 65% of that of yellowing can ... consistent and georeferenced in the same projection system and thus constitute a geographic database of the sandstone part of the Vosges In order to circumvent the lack of soil data (only a map of soil...
Ngày tải lên: 08/08/2014, 14:20
Báo cáo khoa học: "Genetic control of pulp and timber properties in maritime pine (Pinus pinaster Ait.)" docx
... combining ability (SCA) of the cross between the i-th and the j-th parent and εijk is the residual term The additive and dominance variances are:σ = 4σ and σ = 4σ and and the phenotypic variance ... traits x and y respectively; rgxy is the additive genetic correlation between traits x and y and σpy is the phenotypic standard deviation of trait y Finally, because of the high number of traits ... Bastien J.C., Genetic control of stiffness of standing douglas-fir; from the standing stem to the standardised wood sample, relationships between modulus of elasticity and wood density parameters,...
Ngày tải lên: 08/08/2014, 14:20
Báo cáo y học: "Effects of lifestyle physical activity on perceived symptoms and physical function in adults with fibromyalgia: results of a randomized trial" pdf
... part of an ongoing randomized trial designed to investigate the effects of LPA on ambulatory reports of physical activity, pain and fatigue, as well as measures of fitness, pain threshold and ... assessments of perceived physical function, pain, fatigue and depression, as well as tenderness and aerobic endurance after 12 weeks of LPA in minimally active adults with FM Materials and methods ... diagnosis, and treatment of FM The rationale for FME was to provide education and to control for the effects of being enrolled in a clinical trial and receiving increased attention and social...
Ngày tải lên: 12/08/2014, 12:20
Báo cáo y học: "Effects of rehabilitative interventions on pain, function and physical impairments in people with hand osteoarthritis: a systematic review" docx
... outcome measures of hand pain, strength, ROM, and stiffness and to hand function in adults with hand OA; and (c) to provide evidence-based knowledge on the treatment effects of different rehabilitation ... tenderness of thumb CMC, MCP, and IP and of other joints (0-5) Grasp, lateral pinch, and 3-finger chuck pinch strength Thumb CMC planar and palmar abduction, thumb MCP extension and flexion, and thumb ... relevance, and were possibly due at least partially to placebo effects from incomplete blinding [55] Strength, range of motion, and stiffness Improvements of hand strength and ROM and reduction of stiffness...
Ngày tải lên: 12/08/2014, 15:22
Báo cáo y học: "Depression and physical activity in a sample of nigerian adolescents: levels, relationships and predictors" pptx
... classes of eleven secondary schools with 691 (62.8%) of them from the SS class Levels of depression and physical activity of the adolescents As presented in table a total of 776 (70.5%) of the ... frequencies and percentages Independent t-test were used to compare the mean CDI and PAQ-A scores between private and public schools, between younger and older adolescents, and between male and female ... adolescents (less than 15 years) and older adolescents (15 years and above) within the age range of 13 to 17 years Although the level of adolescence and class of study appear to be similar, they...
Ngày tải lên: 13/08/2014, 18:21
analysis of boundary conditions and concept design for port dong lam, thua thien-hue province, vietnam
... sandy barriers that form across estuary mouths and tidal inlets Mainland beaches and barriers are typically steep and narrow and are dominated by crossshore sediment transports The sediment of ... direction by the change of the season Wave rose (6) has the least influence of Hainan Island Wave rose (3) 'feels' the Island more, resulting in a decrease of wave height and turn of direction to the ... ratio of wave height at distant r to wave height at eye radius R 144 Figure 104: determination of distant r between landfall and port site 145 Figure 105: definition of X, X' and...
Ngày tải lên: 03/10/2014, 13:13