fiber pei composites based on aqueous polymeric suspension of polyimide

... by means of interesting test to every biocomposites specimen using tensometry The functional groups of compounds were characterized by FTIR The profiles of degradation and decomposition of compounds ... weight reduction after biodegradation for four months The results of the weight changing of biocomposites after biodegradation can be seen in Figure All of the synthesized bio -composites were ... by DTA Morphological analysis of bio-composite specimens was done using SEM (in 2500x magnification) RESULT AND DISCUSSION 3.1 Characterization of Functional Groups of Starting Materials: rPP,...

Ngày tải lên: 07/08/2014, 14:20

... calibration curve of lycopene standard Page of deviation of measured concentration in relation to the a obtained concentration, and precision, expressed as standard relative percentage deviation or ... concentration, and accuracy and precision on different days based on the analysis on different days of five standard samples at each of the three levels of tested concentration The lowest limit of quantification ... radicals in comparison with b-Carotene Validation was confirmed by application of standard techniques lycopene determination Aqueous extract of propolis has a high concentration of polyphenols and...

Ngày tải lên: 11/08/2014, 00:22

... 31 FIGURE 2-2 THE PREDICTED PESS OF DCM AS FUNCTION OF ROTATION FROM TRANS TO CIS CONFIGURATION .32 FIGURE 2-3 PESS OF DCM AS FUNCTION OF ROTATION OF THE DONOR GROUP FROM TO 180 DEGREE ... organization of the dissertation is as follows Chapter is an overview of synthesis and characterization of nanostructural materials Based on an introduction of fundamental sol-gel chemistry, nanocomposites ... the formation of hexagonal, cubic, and lamellar structures through variations in the silica concentration at constant surfactant concentration By covalently anchoring a number of functional groups...

Ngày tải lên: 13/11/2014, 11:17

... G., of whom I shall next speak, died of consumption some four years after he pulled in the Putney race Several of the members of his crew speak of him as a constitutionally delicate man One writes ... improve our national physique, really useful recreations ? In discussing this subject I shall first consider the cases of those who, either on their own testimony or on that of their relations and friends, ... constitution is injured by the University Boat-Races, his protest cannot be set aside by allegations of ' palpable XIV INTRODUCTION ignorance/ The first question is not, as one of our correspondents...

Ngày tải lên: 14/02/2014, 21:20

... image of surface for the sample x=0.03 at the 10µm scale (a) A sample segmentation into the squares for calculation of the fractal dimension (b) Model of conductivity for perovskites based on ... Model of conductivity for perovskites based on 53 Table summarizes the measurement details and results (D, f, L and L ) For the calculation of f , the percolation threshold concentration xc ... critical exponents n in the low temperature region; this fact argues for the fractal nature of n, but the confirmation needs further investigation In contrast to the fractal dimension determined on the...

Ngày tải lên: 14/03/2014, 13:20

... thickness of the ONWs is of the order of several ångström, the observed LDOS is a convolution of the LDOS of the SiNWs and that of the adsorbed PQ aggregates Therefore, the contribution of the LDOS of ... and the ONWs (full blue line) obtained upon the adsorption of L of PQ The inset shows the corresponding I(V) curves lent bonds between the top silicon atoms of the NWs and the oxygen atoms of the ... the case of PQ adsorbed on Si(0 1) In summary, we presented here a novel approach to form 1D organic structures based on the adsorption of organic molecules on silicon nanowires We demonstrated...

Ngày tải lên: 16/03/2014, 15:35

... distributions of the purine ⁄ pyrimidine, amino ⁄ keto and weak H-bond ⁄ strong H-bond along the sequence, respectively As mentioned above, zn displays the distribution of bases of GC ⁄ AT types along ... homogeneity of isochore can be defined by an index h [17,20], which is defined as the variance of GC content of the region divided by that of the whole genome If h ( 1, the variance of GC content of the ... classification, except the mitochondrial DNA insertion isochore in chromosome II, all other regions in A thaliana belong to GC-poor families and most of the variation between two adjacent regions is...

Ngày tải lên: 30/03/2014, 20:20

... patterns in terms of gait speed and symmetry The training consisted of a 2-week treatment of sessions A visual biofeedback helped the subjects in maintaining a symmetrical contribution of the two legs ... NeuroEngineering and Rehabilitation 2011, 8:47 http://www.jneuroengrehab.com/content/8/1/47 participants were recruited based on a gait pattern classification of a population of 153 chronic stroke patients ... analysis of the population of chronic stroke patients, we chose a number of participants equal to the number of identified clusters: each patient was considered as representative of one cluster...

Ngày tải lên: 19/06/2014, 08:20

... direction as nondirectional (Non) Therefore, the final types of the edge direction are EDT = {Hor, Ver, Non} In the proposed edge direction estimation, the diagonal directional edge is considered ... color Edge Region directional difference direction classification interpolation plane estimation Edge region EDT = {Ver, Hor, non} Spatial correlation Edge-pattern region Flat region Bayer color ... direction is not determined, the region is considered as a nonsharp edge region and these regions are investigated again in the following region classification step: Classification 3.1.2 Region Classification:...

Ngày tải lên: 21/06/2014, 08:20

... discrimination is presented in Section Section contains an analysis of the feature’s discrimination ability Section presents the experimental setup for speech/music segmentation Descriptions of experiments ... The segmentation and classification algorithms were benchmarked on a large dataset, with a classification accuracy of about 95% and a segmentation accuracy of about 97% A computationally-efficient ... to phoneme transitions (e.g., consonant to vowel) On the other hand, music and environmental sounds can be periodic or monotonic, and have more constant rates of change versus that typical for...

Ngày tải lên: 21/06/2014, 19:20

Ngày tải lên: 06/07/2014, 15:18

... residuals and Pearson χ2 residuals were calculated to check the suitability of the designed model for the prediction Deviance residuals are based on the contribution of the observed responses to the ... proportion Interception –3.844 Mahalanobis distance test –8.065 M = 2.84; F = 74.1; P = 0.00 Corectness of classification on analyzed data (Orava region, n = 226) 78.3% Corectness of classification on ... DISCUSSION The developed regression models can be considered as standalone complex models of environmental risk prediction allowing the “chance and potency” analysis using a traditional regression...

Ngày tải lên: 07/08/2014, 10:21

... htuom-dna-toof fo nietorp larutcurts-non fo yticinegonummI F onirboS ,CJ ziaS ,J ozapoD ,A zeugirdoR 21 523 408-997 ,481 ,1991 ygoloriV snoitcefni tnetsisrep etal fo noitceted ni snegitna larutcurtsnon ... refsnartortceleonummi deknil-emyzne na htiw CBA3-ASILE tceridni na fo metsys denibmoc a :noitaniccav citametsys rednu elttac ni ecnallievrus suriv esaesid htuom dna toof rof ygetarts citsongaidores ... devresnoc ylhgih era VDMF fo sPSN fo secneuqes dica onima eht ,snietorp larutcurts eht ot tsartnoc ni ,taht nwonk saw tI noiteled dica onimA† sdica onima evitcepser eht yb dekram sepytbus dna sepyt...

Ngày tải lên: 07/08/2014, 18:21

... 14 million units of butter) to alternative D (9,000 guns and million units of butter), the opportunity cost of the additional 4,000 units of gun production is the million less units of butter ... utilization of resources and an absence of growth, additional gun production is possible only when the output of butter is decreased Points on a production-possibility frontier are considered to ... statements of reality In the statement “consumption is a function of disposable income,” consumption is the dependent variable Graphs provide a visual representation of the relationship between...

Ngày tải lên: 09/08/2014, 19:22

... million units of food is thousand units of clothing The opportunity cost of a second and third additional million units is 2,000 and 3,000 units of clothing, respectively b The opportunity cost of ... opportunity cost of increasing food production from to million units? c Explain how the shape of the production-possibility frontier implies increasing costs for the production of clothing Figure ... 12 PRINCIPLES OF ECONOMICS Solution: a In increasing food production from to million units, production of clothing decreases from 16,000 to 15,000 units Thus, the opportunity cost of producing...

Ngày tải lên: 09/08/2014, 19:22

... spending A consumption function is the relationship of consumption to disposable income, holding nonincome determinants of consumption constant Figure 4-1 plots the consumption function for a hypothetical ... downward shifts of the consumption function Shifts of the consumption function affect the level of consumption and saving The 45Њ line in Figure 4-1 is equidistant from both the consumption and disposable ... point on this 45Њ line For linear consumption function CЈ, there is only one level of disposable income at which consumer spending equals disposable income, and that is the point of intersection of...

Ngày tải lên: 09/08/2014, 19:22

... autonomous consumption is unrelated to income, autonomous consumption is $50 for all levels of income Induced consumption is the amount of consumption that depends upon the receipt of income Consumption ... this consumption equation and label it CЈ c Use the plotted consumption function to find saving when disposable income is $400, $500, and $600 d What amount of consumption for consumption function ... $30—the amount of saving d Autonomous consumption is the amount consumed when disposable income is In Figure 4-2, autonomous consumption is $50, the amount consumed when the consumption line CЈ intersects...

Ngày tải lên: 09/08/2014, 19:22

... Functions of Money Financial Instruments and Markets Creation of M1 Money Supply Federal Reserve System Monetary Tools Open-Market Operations True or False Questions Solved Problems Functions of Money ... recessionary gap exists Will Congress and the administration agree on CHAPTER 6: Fiscal Policy 61 an immediate course of action? In reality, an action lag is likely to occur because of conflicting ... policies for economic reasons or for purely political reasons A discretionary fiscal action has a multiplier effect upon the equilibrium level of output The size of the multiplier depends upon whether...

Ngày tải lên: 09/08/2014, 19:22

... Capital Accumulation ✔ Supply-Side Economics ✔ True or False Questions ✔ Solved Problems Concept of Economic Growth Economic growth is concerned with the expansion of an economy’s ability to ... predictability of a money supply change has centered around the velocity of money (average circulation of a unit of money in the economy) and its variability When the demand for money and/or the ... decrease A money supply change, however, has a short action lag since the Fed, unlike Congress, can respond quickly to changing economic conditions Thus, in spite of its longer impact lag, monetary...

Ngày tải lên: 09/08/2014, 19:22

... restrictions, oftentimes at the expense of other groups Balance of Payments The balance of payments is a yearly summary statement of a nation’s transactions with the rest of the world The balance of ... Solution: a A rough measure of the degree of interdependence of a nation with the rest of the world is given by the value of its exports as a percentage of its GDP 94 PRINCIPLES OF ECONOMICS ... important for national defense Most of the arguments are invalid and are based on misconceptions CHAPTER 10: International Trade and Finance 91 You Need to Know Trade restrictions are often supported...

Ngày tải lên: 09/08/2014, 19:22