Modeling size effects in nano indentation of polymers

... MODELING SIZE EFFECTS IN NANO- INDENTATION OF POLYMERS POH LEONG HIEN [B.Eng (Hons), NUS] A THESIS SUBMITTED FOR THE DEGREE OF MASTER OF ENGINEERING DEPARTMENT OF CIVIL ENGINEERING NATIONAL ... Finite element model of Berkovich indentation 31 3.5 Berkovich indentation numerical results for different domain sizes 32 3.6 Convergence study of finite element model sim...

Ngày tải lên: 26/11/2015, 12:39

... is the best option for their children They are unhappy with the quality or depth of education offered in the schools, or have other reasons why they feel that traditional schools are not suitable ... narrow group, but in either case the children will interact with each other and develop social skills A second point is that the children will learn to function outside the...

Ngày tải lên: 25/01/2014, 19:20

Ngày tải lên: 18/03/2014, 15:21

... morphology effects of ZnO pigments on their optical properties The synthesis conditions were according to our previous works [18,19] Typical synthesis conditions of ZnO powders synthesized in this ... concentration of zinc nitrate and potassium hydroxide solutions (Molar) Experimental 2.1 Preparation of pigments ZnO samples were prepared by hydrothermal method and us...

Ngày tải lên: 06/05/2014, 13:23

... Characterization of Spin Coated Polymers in Nano-environments as a Function of Film Thickness (Abstract) Catherine E Beck Polymer applications have become more demanding as industry continuously ... “accelerated to a desired rotation rate.”16 Spinning continued until an equilibrium film thickness was reached This was followed by annealing to alleviate radial...

Ngày tải lên: 23/03/2014, 01:20

... the time point for the importation of the resistant strain is shifted towards the initial phase of the epidemic, the resistant strain increasingly replaces the sensitive strain (Figure 1c) Early ... has been circulating in the population for many years without pandemic potential and leaving the population at least partially immune The implications for avian infl...

Ngày tải lên: 20/06/2014, 01:20

... results in a growing one-sided competition (Firbank and Watkinson, 1990) and at the same time in a growing size inequality The objectives of this paper are twofold: (1) to characterize a number of poplar ... concept of size inequality (Weiner and Solbrig, 1984) can be used for describing these size hierarchies The increasingly disproportionate use of resources betw...

Ngày tải lên: 08/08/2014, 19:21

... calculations presented in this work happen at O0 K PHASE TRANSITION AND DOMAIN STRUCTURE OF FERROELECTRIC 133 III RESULTS AND DISCUSSION III.1 Lattice structure BaTiO3 nanowires after minimized configuration ... deviation of center Ti is equal to The deviation of selvedge Ti atom is PHASE TRANSITION AND DOMAIN STRUCTURE OF FERROELECTRIC 137 Fig Local fer...

Ngày tải lên: 30/10/2015, 20:53

... education in Vietnam is an issue of rising importance Accordingly, I have conducted research on “ Globalization and its effects on the development of educational service in Vietnam Object and Field ... education service in Vietnam 2.1.4.1 The thought of education has changed 2.4.1.2 The impact of adhering to WTO on education service in Vie...

Ngày tải lên: 23/04/2013, 11:16

... Beer and others to the outskirts of Tokyo Another major factor was the reduction of water use in the factory through the utilization of WWR and water conservation efforts mainly due to their cost ... rice and the washings would later be used for watering plants to utilize the remaining nutrients Likewise, making the most of rainwater by RWH should be t...

Ngày tải lên: 05/09/2013, 10:17

... Examine the mechanism of sterilization of MnO2 coated on calcined laterite in water There are two main purposes in this part: One is to examine whether the mechanism of sterilization of MnO2 coated ... sample [26] 2.2.2.3 Investigation of sterilizing capability of nano MnO2 adsorbents The routine monitoring of the bacteriological quality of drinking...

Ngày tải lên: 10/02/2014, 15:24

... evidence on the consumer, or retail side, using an experimental setting that enables us to directly distinguish between the demand and supply effects of the financial crisis Insofar as retail customers ... B The Demand for Loans after the Beginning of the Financial Crisis The main objective in this paper is to separate supply and demand effects...

Ngày tải lên: 16/02/2014, 10:20

... Correlation effects in atomic thermal vibration of fcc crystals 27 The purpose of this work is to study the correlation effects in atomic vibrations of fcc crystals in XAFS, i.e., to develop ... vibrate under influence of the neighboring environment Taking into account the influences of the nearest atomic neighbors the Einstein effective interaction poten...

Ngày tải lên: 05/03/2014, 14:20

... Indoor Air Pollution Associated with Household Fuel Use in India An exposure assessment and modeling exercise in rural districts of Andhra Pradesh, India Kalpana Balakrishnan Sumi Mehta ... important determinants The use of traditional fuels and poverty thus remain closely interlinked 2 Indoor Air Pollution Associated with Househo...

Ngày tải lên: 06/03/2014, 16:20

... thereafter Thus, according to our data, the undesired effects of siRNA seem to appear in a transient way Another key parameter to take into account could be the length of the transfection period Although ... locations of the array allowed quantification of the local background and evaluation of the array homogeneity, which is taken into account in...

Ngày tải lên: 07/03/2014, 05:20