effects of material properties

$fracture mechanics of concrete concepts, models and determination of material properties$

fracture mechanics of concrete concepts, models and determination of material properties

Ngày tải lên : 24/10/2014, 21:58

... 446.1R-2 MANUAL OF CONCRETE PRACTICE SY NOPSlS In the first o f i t s series of four state -of- the-art reports under preparation, the Committee describes the basic concepts of fracture mechanics ... f the characteristic length for nonlocal continuum models and the strain-softening properties is then examined, and material parameters for modes II and Ill, shear fractures and mixed mode fracture ... devoted t o the effect of reinforcing bars and their bond slip on fracture propagation, and t o fracture of fiber-reinforced concrete Chapter deals with more theoretical problems of modeling systems...

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Mechanical characterization of biopolymer and the effects of mechanical properties of extracellular matrix on cell behaviours

Ngày tải lên : 09/09/2015, 11:28

... CHARACTERIZATION OF BIOPOLYMER AND THE EFFECTS OF MECHANICAL PROPERTIES OF EXTRACELLULAR MATRIX ON CELL BEHAVIORS WONG LONG HUI (B.Eng.(Hons.), NTU) A THESIS SUBMITTED FOR THE DEGREE OF DOCTOR OF PHILOSOPHY ... substantial part of this thesis was written with the theoretical insights of Prof Raj Rajagopalan as well I thank Prof Raj for acquainting me with the importance of clarity of thoughts in effective ... elucidate the physical properties of the microenvironment in invasion of chemoresistance glioma cells Furthermore, the effects of local network mechanics on invasive behavior of chemoresistant glioma...

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Effects of liquid properties on thickness shear mode acoustic wave resonators and experimental verifications

Ngày tải lên : 05/10/2015, 13:53

... study the effects of various liquid properties on the application to liquid; and thus to utilize Thickness Shear Mode (TSM) resonator for the determination of those liquid properties The properties ... TABLE OF CONTENTS SUMMARY i LIST OF TABLES iii LIST OF FIGURES iv LIST OF SYMBOLS vii CHAPTER 1: INTRODUCTION 1.1 BACKGROUND 1.2 OBJECTIVES 1.3 INSTRUMENTAL APPROACH 1.4 ORGANIZATION OF THESIS ... EFFECTS OF LIQUID PROPERTIES ON THICKNESS SHEAR MODE ACOUSTIC WAVE RESONATORS AND EXPERIMENTAL VERIFICATIONS WU SHAN (B.Eng (Hons.), NUS) A THESIS SUBMITTED FOR THE DEGREE OF MASTER OF ENGINEERING...

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Effects of time of heatsetting on the tensile properties of ingeo™ poly (lactic acid) (PLA) fabric

Ngày tải lên : 05/09/2013, 16:10

... Figure Effect of time of heatsetting on the linearity of load extension in weft direction of knitted Ingeo™ Poly (lactic acid) Figure Mean effect of time of heatsetting on the linearity of load extension ... Increasing time of heatsetting had effect on tensile properties of PLA at varying times of 30s to 90s at temperature of 130°C Optimum effect on tensile properties occurred at times of 30 – 45s PLA ... [PLA] Figure Mean [Ā] of effect of time of heatsetting on the tensile extension EM [%] of Ingeo™ Poly (lactic acid) 3.2 Linearity of load extension curve LT [-] The linearity of load extension curve...

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Tài liệu A Dissertation on the Medical Properties and Injurious Effects of the Habitual Use of Tobacco pptx

Ngày tải lên : 17/02/2014, 22:20

... peculiar effects End of the Project Gutenberg EBook of A Dissertation on the Medical Properties and Injurious Effects of the Habitual Use of Tobacco, by A McAllister *** END OF THIS PROJECT GUTENBERG ... on the Medical Properties by A McAllister At a meeting of the Medical Society of the County of Oneida, on the 5th of March, 1830, a communication was received, signed by a number of highly respectable ... region of the stomach in the form of a poultice, as when internally administered." Professor Barton says, he had recourse to an application of the moistened leaves of this plant to the region of...

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Tài liệu Báo cáo khoa học: Metabolic control of mitochondrial properties by adenine nucleotide translocator determines palmitoyl-CoA effects Implications for a mechanism linking obesity and type 2 diabetes pdf

Ngày tải lên : 19/02/2014, 05:20

... for 68% of the decrease in Jo, 68% of the decrease in Jp, 56% of the increase in the QH2 ⁄ Q ratio, 70% of the increase in Dw, 72% of the increase in the ATPin ⁄ ADPin ratio, and 59% of the decrease ... the effects relate to one or many primary effects To acknowledge this, using modular kinetic analysis, we established that the primary cause of the effects of palmitoyl-CoA was inhibition of the ... Effect of palmitoyl-CoA on H2O2 production in isolated mitochondria respiring on succinate (A) Dependence of H2O2 production on palmitoyl-CoA concentration (B) Comparison of the effects of various...

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Tài liệu Báo cáo Y học: The effects of low pH on the properties of protochlorophyllide oxidoreductase and the organization of prolamellar bodies of maize (Zea mays) pot

Ngày tải lên : 22/02/2014, 04:20

... to minimize the effects of light scatter Photoconversion was brought about by exposure of the sample to a deﬁned number of ﬂashes of bright white light delivered by a Sunpak, Softlite 2000 A (Tocad, ... conversion of the POR complex, is irreversible There is no evidence of the reformation of organized PLB if the pH of the low pH sample is returned to pH 7.5 by the addition of small amounts of KOH ... results of measurements of the effects of ATP, ADP, AMP and adenosine on the corresponding low pH-induced blue-shift in the absorption maximum of maize PLB, made in the presence and absence of NaF,...

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Báo cáo " Effects of biosolids application on soil chemical properties in peri-urban agricultural systems " doc

Ngày tải lên : 05/03/2014, 16:20

... agro-ecosystems The main objective of this paper was to quantify the effects of reuse of biosolids (in the form of animal manure) as nutrient sources by: (i) investigating the effects of biosolids application ... long-term use of effluents for agricultural purposes due to the likelihood of phytotoxicity, health and environmental effects [17, 33] Even after a short-term application of biosolids, the level of trace ... (Zn)); (ii) investigating the effects of application of 203 biosolids especially as regards trace metal accumulation and solubility Materials and methods 2.1 Location of the research areas Soil...

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Báo cáo khoa học: Dissociation/association properties of a dodecameric cyclomaltodextrinase Effects of pH and salt concentration on the oligomeric state pot

Ngày tải lên : 07/03/2014, 12:20

... consisted of a hexamer of dimeric units, and that the formation of the supramolecular assembly resulted in an increase in the catalytic efciency compared with that of the dimeric unit of the enzyme ... chain of Q516, of which the nitrogen (NE2) also forms hydrogen bond to side chain of D535 There are a total of six hydrogen bonds to support a sharp turn comprising from N533 to A537 Protonation of ... the role of the oligomerization of CDase I-5, its dissociation/ association properties were investigated at low and high pHs and in the presence of KCl Considering also the 3D structure of CDase...

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Báo cáo " Effects of using wastewater as nutrient sources on soil chemical properties in peri‐urban agricultural systems " ppt

Ngày tải lên : 14/03/2014, 15:20

... assessing environmental risks of applying wastewater in agro‐ecosystems. The main objective of this paper was to quantify the effects of reuse of wastewater as nutrient sources ... lead (Pb) and zinc (Zn)); (ii) investigating the effects of application of wastewater, especially as regards trace metal accumulation and solubility. 2. Materials and methods 2.1. Location of the research areas ... the long‐term use of effluents for agricultural purposes due to the likelihood of phytotoxicity, health and environmental effects [1, 14]. Another problem of wastewater disposal ...

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Effects of simultaneous doping with boron and phosphorous on the structural, electronic and optical properties of silicon nanostructures

Ngày tải lên : 16/03/2014, 15:15

... position of Fig 11), approaching asymptotically the value of the band-gap of the undoped Si-nw This is another indication of how doping can modify the electronic and optical properties of the Si ... the electronic properties of the Si-nc are inﬂuenced by the insertion of more and more impurities We call this insertion of several impurities multidoping Fig shows how the FE of a large Si147H100-nc ... is that the electronic properties of B- and P-codoped Si-nc are qualitatively and quantitatively different from those of either B- or P- single-doped Si-nc The presence of both a n and a p impurity...

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Báo cáo khoa học: Effects of cardiomyopathic mutations on the biochemical and biophysical properties of the human a-tropomyosin docx

Ngày tải lên : 16/03/2014, 18:20

... the effects of cardiomyopathic-related mutations on the human skeletal Tm Our data indicate that the main effects of mutations A63V, K70T and E180G are mainly related to the overall stability of ... presence of troponins In the absence of troponins, binding of Tms to actin was very weak and only small amounts of Tm were detected in gels after centrifugation (data not shown) The addition of troponins ... of the actomyosin S1 Mg2+ ATPase activity by Tm in the presence of troponin The results are expressed as a percentage of the actin-activated Mg2+ ATPase of myosin S1 obtained in the absence of...

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Báo cáo "Effects of Zn content on the magnetic and magnetocaloric properties of Ni-Zn ferrites " pdf

Ngày tải lên : 22/03/2014, 11:20

... superparamagnetic properties of Ni-Zn ferrite for nano-bio fusion applications ware reported [13] In this paper we study magnetic and electric properties including canting structure of Ni-Zn ferrites ... structure of samples was checked by X-ray diffractometer D5005, Bruker and the microstructure of samples was examined by Scanning Electron Microscope (SEM) Jeol LV5410 Magnetic properties of ferrites ... patterns of ferrite samples Ni1-xZnxFe2O4 N.Chau et al / VNU Journal of Science, Mathematics - Physics 24 (2008) 155-162 157 The SEM study showed that the microstructure of samples is of high...

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Báo cáo " Effects of the conditions of the microemulsion preparation on the properties of Fe3O4 nanoparticles " pot

Ngày tải lên : 28/03/2014, 10:20

... these conditions Whereas, magnetic properties of samples of type B were ferromagnetic with the saturation magnetization Ms of 50 emu/g and the coercive field Hc of 50 Oe at room temperature for ... concentration of Fe3+ was adjusted to keep the ratio of Fe3+/Fe2+ to be 2:1 - reactant A), was used for synthesis of magnetite NPs Particle size could be adjusted by changing concentration c of the ... Journal of Science, Natural Sciences and Technology 24 (2008) 9-15 11 50 Intensity (degree) 40 30 20 10 20 30 40 50 60 70 θ (degree) Fig XRD patterns of magnetite powder with concentration of Fe2+ of...

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evaluation of shape and size effects on optical properties of zno pigment

Ngày tải lên : 06/05/2014, 13:23

... studies of multiple-scattering effects were carried out for randomly rough surfaces characterized by rms heights of the order of 5–10 nm, and transverse correlation lengths of the order of 100 ... large scale, and all of the nanorods have diameters of about 50 nm and lengths of 300 nm Fig (i–k) exhibits the FESEM images of nanoparticle-decorated ZnO pigment The surface of ZnO pigment was ... the scattering properties of ice particles [33] The higher surface roughness of nanoparticle-decorated ZnO led to multiple scattering and increasing of the reﬂectance Presence of nanoparticles...

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chemcal properties of material surfaces - m. kosmulski (marcel dekker, 2001) ww

Ngày tải lên : 04/06/2014, 16:13

... published onsorption properties of materials of interest, and in view of broad spectrum of goals and viewpoints of the authors of the cited publications and of potential readers of this book, it ... sorption properties of the film and they are widely applied in different fields, but they are outof scope ofthis book On the other hand, the surface propertiesof composite materials with external ... dissolution of relatively soluble materials is often sufficiently slow to allow Chapter completion of sorption process before significant amount of the adsorbent is dissolved, moreover, the presence of...

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Báo cáo hóa học: " Quantification of the effects of an alpha-2 adrenergic agonist on reflex properties in spinal cord injury using a system identification technique" pptx

Ngày tải lên : 19/06/2014, 08:20

... shows effects, but does not cause major side effects Thus, this can be tolerated by vast majority of patients Subjects were tested before and after the administration of tizanidine Tizanidine effects ... solely to the actions of the drug, and not to time or history dependent changes in reflex response Discussion The focus of this study was to quantify the effects of single dose of tizanidine on the ... quantify the effect of long-term use of FES-assisted walking on neuromuscular properties in subjects with spinal cord injury [40] In parallel, we determine the magnitude of Page of each component's...

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Báo cáo hóa học: " Effects of silver impurity on the structural, electrical, and optical properties of ZnO nanowires" doc

Ngày tải lên : 20/06/2014, 22:20

... performances of the materials We focused on the temperature-dependent PL measurements of various silver-doped ZnO (SZO) NWs to reveal the role of Ag acceptor in the optical properties of the ZnO-based ... Resistance (M ) Page of Ag concentration (wt %) Figure Physical properties of varios SZO NW (a) Tuned resistances of un-doped, 1SZO, 3SZO, and 5SZO NWs, the resistances of the SZO NW are measured ... structure because of both low Ea and optimized quantity of substitution function of Ag+ [19] However, stress of lattices structure on both 3SZO and 5SZO NWs is very impressive because a lot of Ag interstitials...

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509
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Báo cáo hóa học: " Effects of NiO nanoparticles on the magnetic properties and diffuse phase transition of BZT/NiO composites" potx

Ngày tải lên : 20/06/2014, 23:20

... Rujijanagul*1 Department of Physics and Materials Science, Faculty of Science, Chiang Mai University, Chiang Mai, 50200, Thailand Faculty of Materials Science, Department of Mechanical Engineering, ... composites: magnetic properties: electrical properties: microstructure Background Ferroelectric materials are widely used in a broad range of applications, especially in the design of electronic devices ... piezoelectric properties Due to the environmental concern, this material is also beneficial since it is a lead-free material Recently, much attention has been paid to multiferroic materials because of the...

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Báo cáo hóa học: " Effects of ZnO nanoparticulate addition on properties of PMNT ceramics" doc

Ngày tải lên : 20/06/2014, 23:20

... Effects of ZnO nanoparticulate addition on the properties of PMNT ceramics Methee Promsawat1, Anucha Watcharapasorn1,2, and Sukanda Jiansirisomboon*1,2 Department of Physics and Materials ... for PMNT ceramics to improve mechanical properties, while dielectric and ferroelectric properties of the ceramics were expected to be maintained Effects of the ZnO concentration on the phase, ... boundary of added ZnO contributing to crack deflection into grain bulk which caused a higher occurrence of transgranular fracture in large grains Mechanical properties of the ceramics in terms of Vickers...

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