raw materials for the polymer industry
principles of polymer processing
... the thermal and physical properties of the polymers, in particular, the low thermal conductivity and thermal degradation The former limits the rate of heat transfer, and the latter places rather ... Operations The polymer product fabrication operations may be either the second or third thermomechanical experience of the base polymer Since polymers are subject to thermal degradation, and since there ... processing steps that prepare the polymer for any of the shaping methods available to these materials On the other hand, we emphasize the unique features of particular polymer processing methods...
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Control of octahedral rotations and physical properties in srruo3 perovskite oxide films
... the horizontal solid lines indicate the atomic planes perpendicular to the paper, rather than the sample surface 33 Figure 2.3 The relationship between (a) a direct lattice and (b) the ... Therefore, it is important to investigate how the octahedral rotations affect the physical properties of perovskite oxide materials The criteria for the formation of perovskite structure have been ... Chapter the different phases As one might suspect, there are similar strain effects on the magnetic materials to those discussed above for ferroelectric materials It has been observed that the magnetic...
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Tài liệu Sport and Physical Activity in Children with Congenital Heart Disease ppt
... exceeded the maximum measurements reached during the exercise tests The heartbeat frequency was also high when children started a new type of exercise, but fell the better they mastered the exercise ... tolerance for their situation In secondary schools, problems may arise if teachers not find themselves able to concede a special role to such children/adolescents They are then not "able to bear the ... socializing aspect for children and adolescents Being forbidden to participate in sports and/or limitations to the extent to which they can exercise is particularly disagreeable to them Dtsch Arztebl...
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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
... smaller sample sizes (N = 6,400), therefore these two databases were joined and analyzed together The number of subjects aged ≥ 65 years included in the study along the entire period was 29,263 (1987: ... about the SNHS methodology are described elsewhere [38,39] For the purpose of the current study, we included answers from adults aged 65 years and older from these SNHS The variables included in the ... gender, the prevalence for all dependent variables were always higher in the younger aged group The highest prevalence of LTPA was found for both genders in the SNHS conducted in 2006, with 54.6% for...
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Báo cáo " On equations of motion, boundary conditions and conserved energy-momentum of the rigid string " doc
... integrations The Z-terms in formula (9) for δS can be regarded as a contribution from the corner points of the rectangle R For the closed string they cancel each other However, for the open string they ... 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 formula ... are the six infinitesimal parameters of Lorentz transformations After a partial integration, contribution of the Z-terms is canceled by each other .The final formula forMµν has the following form...
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PREDICTION OF CHEMICAL REACTIVITY PARAMETERS AND PHYSICAL PROPERTIES OF ORGANIC COMPOUNDS FROM MOLECULAR STRUCTURE USING SPARC pptx
... with either the =N or the nitro groups making the pKa1 extremely acidic On the other hand, the field effect of the negatively charged groups (SO3- and O-) and the H-bond of the second OH with the ... the charge of the final state (ij k state) The factorial is the number of different thermodynamic paths that lead to the ij k state and Dij k is one of terms in the denominator For example, the ... in the basic form when the ionization under consideration is taking place Thus, pk32 denotes the pk value for the ionization of the OH group when the NH3+ group has already been converted to the...
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Sport and Physical Education in China potx
... for long outside the mainstream of world scholarship They spoke, if they spoke at all, in shibboleths and arcane formulae, presenting the ideal for the actual, the transitory political line for ... the failed bid would add to the pressure for reform of the sports system, although at the time closure of the Sports Commission was not mentioned Whilst the pattern of reform was evident at the ... and with the example of the former Soviet Union, the events leading to the clash between the government and those clamouring for reform in Tian An Men Square (and elsewhere in China) in the summer...
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phase equilibria and fluid properties in the chemical industry estimation and correlation
... Intermolecular forces operate between the centers of regions of substantial electron density These centers are the molecular centers for Ar and H CH groups in C H —hence the name acentric factor for the forces ... bother w i t h the d i f f e r e n c e s between the models y i e l d i n g the dotted and dashed curves f o r the g l o b u l a r molecule The important f e a t u r e i s the narrowness of the ... state for liquids These efforts are in the hands of the theoretician today, but further development and reduction to practice should be explored • F l u i d transport properties were not the primary...
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carbon nanotubes. basic concepts and physical properties, 2004, p.220
... PI (the superscript for the representation is omitted) we first transform the atom with the displacement atom and then multiply the result by the element in the first row and first column of the ... from the translation of graphene along the chiral vector The symmetry of the acoustic modes is A2(,, )for the ztranslation, El!,) for the xy-translation andA2(,) for the rotational mode The subwripts ... 15" The line in the middle crosses the K point; for the other two lines one can identify a point wherc the line Figure 3.8: Energy contours of graphene around the K point of the Brillouin zone The...
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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
... information about diagnosis was obtained from the medical records Information about the study and a consent form was mailed to the patient together with the questionnaire 2-4 weeks before the ... conduct of the study and the editing of the article BR contributed to shaping of the article and the editing of the article GEE contributed to the statistical analyses and the editing of the manuscripts ... outcome in the units of measurement of the predictor It is the change in the outcome associated with a unit change in the predictor, whereas the standardized regression coefficient indicates the strength...
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Báo cáo hóa học: " Structural and physical properties of antibacterial Ag-doped nano-hydroxyapatite synthesized at 100°C" pptx
... MAUD [33] for all the samples, by applying the Popa approach for the anisotropic microstructure analysis [34], implemented in 2.2.7 XPS Soft XPS is one of the most important techniques for the study ... ellipsoids, with the longer dimension parallel to the c crystallographic axis of HAp For the undoped HAp, Ag:HAp the length of the average crystallite (the average column size parallel to the caxis) ... and DP conceived the study CSC, LVC, and DP performed the synthesis of the powders Characterization of materials was carried out by FM, CSC, and DP DP directed the study and wrote the draft paper...
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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
... comments on their importance, we refer the reader to the papers by Gallardo 19 , Karakostas and Tsamatos 20 , Lomtatidze and Malaguti 21 , and the references therein For more information about the general ... PC1 0, | x PC1 ≤ r} be a bounded set Then, for all x ∈ Br , we have Tx ∞ Tx ≤ 1 γ1 φq γM 4 ∞ ≤ φq Therefore T Br is uniformly bounded On the other hand, for all t, s ∈ Jk k | Tx t − Tx s | t ... improved and generalized the work of 34 by applying the fixed point theory in cone for a strict set contraction operator; they proved that there exist various results on the existence of positive...
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Synthesis and Physical Properties of Polyester Amides Derived from Lipid-Based Components
... Hypothesis #1: The increase of ester to amide ratio in the PEA structure resulted in a decrease of thermal stability a The increase of ester to amide ratio did not impact dramatically the thermal ... dramatically the thermal degradation of the PEAs b The increase of ester to amide ratio decreased the thermal stability at the melting behaviour level 34 Hypothesis #2: The increase of ester to amide ... Work Investigate the biodegradability of PEAs with varying ratios of ester to amide groups Increase the molecular weights of the synthesized PEAs to further improve the thermal and mechanical...
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Báo cáo sinh học: "Untangling the web of functional and physical interactions in yeast" pdf
... (Figure 1d,e) This theme indicates a structure in which either of the complexes is needed to perform an essential function, but the complexes can compensate for one another Because the same complex ... genetic interactions These include the ‘alternative subunits’ theme, in which two genes are connected to each other by synthetic lethal interactions and to other members of the complex by proteinprotein ... type of interaction data, and then assembles these motifs into ‘network themes’ consisting of overlapping motifs The network themes are further assembled into ‘thematic maps’ that represent a...
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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
... is the mean altitude of the plot, age is the maximal age of the population on the plot The probability of erroneous classification was 36% with the model set and 33% using cross validation The ... correlated to elevation These variables include the temperature and the precipitation, the nutrient content and the water holding capacity of the soil The soil characteristics depend on the distribution ... – 0.018age where Y1 is the discriminant function associated with defoliation, alt is the mean altitude of the plot, age is the maximal age of the population on the plot The probability of erroneous...
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Báo cáo khoa học: "Genetic control of pulp and timber properties in maritime pine (Pinus pinaster Ait.)" docx
... using the following random model: Yijk = µ + + aj + sij + εijk where Yijk is the value of the trait for the individual k corresponding to the cross between the male i and the female j, (aj) is the ... volume for one fibre) × (NF) The bigger the lumen volume is, the lower the density is k Density, “=” means identical mean density for the two type of fibres, “≠”means different mean density for the ... accounted for 25% of the phenotypic variance For three of the traits (TH, lignin and zspan) showing a significant genetic effect, a significant block effect was also detected; the raw data for these...
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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
... form At the end of each day they recorded their steps on a diary form and zeroed their pedometer so they could record their steps for the next day They also kept a diary that categorized the types ... of the study, acquired the funding, participated in the design of the study, the delivery of the intervention, performed the statistical analysis, and drafted the manuscript LC carried out the ... in the mean number of daily steps over the course of the 12-week intervention Although walking was the most common form of LPA, other popular forms of LPA included garden/outdoor activity (for...
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Báo cáo y học: "Effects of rehabilitative interventions on pain, function and physical impairments in people with hand osteoarthritis: a systematic review" docx
... outcomes for different hand joints, we extracted data of the joints in the following order: the distal interphalangeal (DIP) joints, the base of the thumb carpometacarpal (CMC) joints, and the proximal ... [34] These programs all differed in their exercise content and dosage Precise details on the intensity of the exercise program were limited It is possible that the intensity of the strengthening ... likely The findings of these studies need to be interpreted cautiously given these study designs Third, the methodological assessment revealed some threats to the validity of the Table Summary of the...
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Báo cáo y học: "Depression and physical activity in a sample of nigerian adolescents: levels, relationships and predictors" pptx
... collection, the students were formally informed of the purpose of the study in an assembly in the school hall, in their classrooms or any other convenient place The students were also informed of their ... in filling the forms Participants were comfortable with all the questions on the CDI but had problems mainly with the PAQ-A questionnaire because some questions sought information on their participation ... seen in the depression of the adolescents may be explained by other factors that were not considered in the study These factors may include the socioeconomic status of the parents and the presence...
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analysis of boundary conditions and concept design for port dong lam, thua thien-hue province, vietnam
... m The other element of the cost-value approach is the costs The investment costs for the coastal alternative are 64.1 M$, which include the dredging works, breakwater and quay construction The ... to the north, the city of Da Nang to the east, the Quang Nam Province to the south, and the Xekong Province of Laos to the west 1.1.2 Metocean conditions In Vietnam, the monsoon system is the ... and MIKE LITPACK The results from the wave modelling study form the input for the morphological model In both models, normal and extreme conditions are considered The results of the wave and morphological...
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Tìm thêm: hệ việt nam nhật bản và sức hấp dẫn của tiếng nhật tại việt nam xác định các nguyên tắc biên soạn khảo sát các chuẩn giảng dạy tiếng nhật từ góc độ lí thuyết và thực tiễn khảo sát chương trình đào tạo gắn với các giáo trình cụ thể xác định thời lượng học về mặt lí thuyết và thực tế tiến hành xây dựng chương trình đào tạo dành cho đối tượng không chuyên ngữ tại việt nam khảo sát thực tế giảng dạy tiếng nhật không chuyên ngữ tại việt nam khảo sát các chương trình đào tạo theo những bộ giáo trình tiêu biểu phát huy những thành tựu công nghệ mới nhất được áp dụng vào công tác dạy và học ngoại ngữ mở máy động cơ lồng sóc các đặc tính của động cơ điện không đồng bộ hệ số công suất cosp fi p2 đặc tuyến hiệu suất h fi p2 đặc tuyến mômen quay m fi p2 đặc tuyến tốc độ rôto n fi p2 đặc tuyến dòng điện stato i1 fi p2 sự cần thiết phải đầu tư xây dựng nhà máy thông tin liên lạc và các dịch vụ từ bảng 3 1 ta thấy ngoài hai thành phần chủ yếu và chiếm tỷ lệ cao nhất là tinh bột và cacbonhydrat trong hạt gạo tẻ còn chứa đường cellulose hemicellulose chỉ tiêu chất lượng theo chất lượng phẩm chất sản phẩm khô từ gạo của bộ y tế năm 2008