... considers the bilayered structure of cells on the first-order approximation. Therefore the mechanical properties of the cell membrane can be estimated from the extracted apparent reduced modulus if the ... Insightful discussions with them helped me a lot in the development of the ideas in this thesis. Their invaluable insights into the field of mechanics of materials and their ability in explaining ... bending of the cell membrane was neglected and the resistance of the membrane was solely attributed to the tension of cell membranes [6]. In the present study, both the bending and the tension of cell
Ngày tải lên: 12/09/2015, 09:59
... UNIVERSITY OF SINGAPORE A STUDY OF THE MECHANICAL PROPERTIES OF INDIUM PHOSPHIDE (InP) BASED MEMS STRUCTURES BY MAHADEVAIAH GOPAL (Dip, B.Eng) A THESIS SUBMITTED FOR THE DEGREE OF MASTER OF ENGINEERING ... HT050345U DEGREE: MASTER OF ENGINEERING DEPT: MECHANICAL ENGINEERING THESIS TITLE: A STUDY OF THE MECHANICAL PROPERTIES OF INDIUM PHOSPHIDE (InP) BASED MEMS STRUCTURES YEAR OF SUBMISSION: 2008 ... identifying the major mechanical properties of InP based MicroElectro -Mechanical- System (MEMS) tunable vertical cavity devices. Better understanding of their major electrical, optical and mechanical properties
Ngày tải lên: 26/09/2015, 10:13
Effects of heat treatment on the mechanical properties of 6201 aluminum alloy wire
... thus the mechanical properties of the materials can be improved [15] Siddiqui et al showed that as the aging temperature and time increase, the density of GP zone also increases [16] Table Mechanical ... samples A10 Hence, the degree of irregularity in the lattices causes an increase in the mechanical properties of Al-Mg-Si alloy [17] As seen in Fig 2, the tensile strength of wire samples subjected ... the extrusion press when the product emerges hot from the die, thereby eliminating the need to solution treat 16 Effects of heat treatment on the mechanical properties of 6201 aluminum alloy wire
Ngày tải lên: 13/01/2020, 04:06
a study on the effect of the boron potential on the mechanical properties of the borided layers obtained by boron diffusion at the surface of aisi 316l steel
... allowed modification of the available amount of boron for the formation of borided layers The main objective of the work was to establish the behavior of the mechanical properties of the borided layers ... influence of the boron potential on the mechanical properties of the layers The hardness of the layers was stablished in the range of 16.22 to 21.16 GPa Young’s modulus values were stablished in the ... properties of the Berkovich indenter, 𝐸 is Young’s modulus, 𝐻 is the hardness at the respective phase of the layer, 𝑃 is the applied load, and 𝑐 is the length of the crack measured from the center of the
Ngày tải lên: 02/11/2022, 08:49
experimental investigation of the mechanical properties of dry microbraids and microbraid reinforced polymer composites
... microbraids The smaller the braid angle, the higher the tensile strength On the other hand, the higher the braid angle, the higher the strain to failure However, the failure mode of mBRPCs was ... with 16 carriers in the ‘‘fully-occupied’’ setup In order to determine the influence of the braiding architecture and the number of braided yarns on the mechanical properties of the microbraids, ... increase in the slope of the second loading part of the stress vs strain curve with respect to the monotonic one This is probably due to the better alignment of the polyethylene chains to the loading
Ngày tải lên: 02/11/2022, 10:39
Deformation mechanisms to ameliorate the mechanical properties of novel TRIPTWIP co cr mo (cu) ultrafine eutectic alloys
... K. B. Kim1 In the present study, the microstructural evolution and the modulation of the mechanical properties have been investigated for a Co-Cr-Mo (CCM) ternary eutectic alloy by addition of a small ... shear banding These results reveal that the mechanical properties of eutectic alloys in the Co-Cr-Mo system can be ameliorated by microalloying such as Cu addition The development of nano- or ultrafine-structured ... one of the key fields of materials research due to their high strength and straightforward process for fabrication of NSMs or USMs In particular, the prime advantages of eutectic alloys are their
Ngày tải lên: 24/11/2022, 17:38
Effects of rolling process parameters on the mechanical properties of hot rolled st60mn steel
... improvements in the bars mechanical properties within 840–860 C finishing temperature It was for further understanding of the effects of rolling process parameters on the mechanical properties of hot-rolled ... ‘d’ is the nominal diameter of the test sample The angle selector was used to select an acute angle, since the grade of the test sample was medium carbon steel At the end of the test, the final ... for 15 seconds and removed The diameter of the indentation was measured and the Brinell hardness was calculated using the values of the applied load and the diameter of the indentation [125_TD$IF]Results
Ngày tải lên: 24/11/2022, 17:48
The Estimation of Mechanical Properties of Polymers from Molecular Structure ppt
... indicates to the theoreticians the approximate form to which their theories may be reduced Linking the mechanical properties to the molecular properties of a material is the equation of state Thermodynamic ... nB is the number of bonds; N, Avogadro's number; l,, the length of the repeat unit; and V, the molar volume The theoretical brittle stress is then the number of bonds times the strength of an ... molecular properties These are the molecular weight, van der Waals volume, length of the repeat unit, and the Tgof the polymer Since these properties are based on fundamental molecular properties, they
Ngày tải lên: 01/04/2014, 00:20
Báo cáo hóa học: " Tuning the electronic properties of boron nitride nanotube by mechanical uni-axial deformation: a DFT study" docx
... address the influence of axial tensions on the electronic properties of (8,0) zigzag and (5,5) armchair BNNTs Although the stress-strain profiles indicate the mechanical properties of these two ... on the electronic structures of BNNTs Figure 7a,b,c,d,e shows the PDOS of s and p orbitals of B68 and N35 atoms as well as the summation of these orbitals for the (8,0) BNNT At strain of 0, there ... l z(t ) is the length of the BNNT in the axial b BNNT (6,6) The normal strain in the axial direction of the BNNT is given by (2) j where is the average radius of atom i and rij is the distance
Ngày tải lên: 21/06/2014, 05:20
Báo cáo vật lý: "Comparison of the Effects of Organoclay Loading on the Curing and Mechanical Properties of Organoclay-Filled Epoxidised Natural Rubber Nanocomposites and Organoclay-Filled Natural Rubber Nanocomposites" pot
... is the ratio by weight of filler to the rubber hydrocarbon in the vulcanisate, whilst a and b are constants. The higher the Q f /Q g values, the lower the extent of the interaction between the ... results in the higher values of the minimum and maximum torques. 3.2 Mechanical Properties Figure 4 and Table 2 show the effect of organoclay loading on the tensile strength of organoclay-filled ... properties, prevents the permeation of atmospherical air and assists the formation of char after thermal decomposition At 10 phr of organoclay loading, the greater amount of
Ngày tải lên: 07/08/2014, 14:20
Mechanical characterization of biopolymer and the effects of mechanical properties of extracellular matrix on cell behaviours
... 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 ... influence another’s life in the same way A 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 ... MECHANICAL CHARACTERIZATION OF BIOPOLYMER AND THE EFFECTS OF MECHANICAL PROPERTIES OF EXTRACELLULAR MATRIX ON CELL BEHAVIORS WONG LONG HUI NATIONAL UNIVERSITY OF SINGAPORE 2013 MECHANICAL
Ngày tải lên: 09/09/2015, 11:28
Atomistic calculations of the mechanical properties cu sn intermetallic compounds
... Hence, there is a need to clarify what the values of these properties are Therefore, this study investigates the use of calculations at the. .. the coordination polyhedron of the ... Figure F.1(a). A is the contact area of indentation. Together with known values where of the Young’s Modulus Ei and the Poisson’s Ratio νi of the tip, the Young’s Modulus of the sample E can be ... CALCULATIONS OF THE MECHANICAL PROPERTIES OF Cu-Sn INTERMETALLIC COMPOUNDS LEE TIONG SENG NORMAN NATIONAL UNIVERSITY OF SINGAPORE 2008 ATOMISTIC CALCULATIONS OF THE MECHANICAL PROPERTIES OF Cu-Sn
Ngày tải lên: 11/09/2015, 14:34
An experimental study on the enhancement of mechanical properties of glass fiber reinforced polyester composite based on optimum conditions and adding multi walled carbon nanotubes
... quality of dispersion and the mechanical properties of modified UPR The glass fiber changes could bring different mechanical properties of each fiber composite Based on the rule of mixture (ROM), the ... carbon nanotubes The Graduate School of the University of Ulsan Department of Mechanical Engineering Van-Tho Hoang An experimental study on the enhancement of mechanical properties of glass fiber ... Supervisor: Professor Young-Jin Yum A Dissertation Submitted to the Graduate School of the University of Ulsan In partial Fulfillment of the Requirements for the Degree of Doctor of Philosophy
Ngày tải lên: 15/10/2018, 23:58
Probing the complex thermo-mechanical properties of a 3D-printed polylactide-hydroxyapatite composite using in situ synchrotron X-ray scattering
... for other types of polymer acetates [22,28], the 3D thermomechanical shape memory plots of the PLA-HAp composite are reported for the first time in Fig that reveals the details of the coupled thermo -mechanical ... to the impact of the phases on the Mullins effect, thermal properties, thermo -mechanical behaviour, and shape memory effect In situ SAXS/WAXS was employed to probe the structural evolution of the ... solely dependent on the magnitude of the applied stress (ii) Thermal properties (0–110 °C): phase transformation of the PLA amorphous matrix aligns to the thermal characteristics of the PLA-HAp composite
Ngày tải lên: 13/01/2020, 06:25
Study on the physical and mechanical properties of ancient clay brick samples of Kathmandu valley, Nepal
... quality of clay bricks The differences in the mineralogical phases of the raw materials of the ceramic body controls the water absorption capacity and the low water absorption value of the brick ... Average area of bed face (mm ) STUDY ON THE PHYSICAL AND MECHANICAL PROPERTIES RESULTS AND DISCUSSION The physico-sintering and mechanical properties of the clay brick samples depend on the optimum ... important physico-sintering properties of all types bricks while the compressive strength is one of the important mechanical properties All these physico-sintering and mechanical properties are reported
Ngày tải lên: 13/01/2020, 13:00
Impact of obstructive sleep apnea on lung volumes and mechanical properties of the respiratory system in overweight and obese individuals (download tai tailieutuoi com)
... determine the extent of Ttx, which act independently to either draw the trachea into or push the trachea out of the thorax and that reciprocal movements of the trachea are independent of upper ... mechanical properties of OSA patients using IOS may provide new insights into the underlying pathophysiology of OSA The aim of this study was to investigate the effect of OSA on lung volumes and mechanical ... college of Xinjiang Medical University, Urumqi, China The People’s Hospital of Xinjiang Uygur Autonomous Region, Urumqi 830001, China Full list of author information is available at the end of the
Ngày tải lên: 23/10/2022, 16:34
impact of obstructive sleep apnea on lung volumes and mechanical properties of the respiratory system in overweight and obese individuals
... determine the extent of Ttx, which act independently to either draw the trachea into or push the trachea out of the thorax and that reciprocal movements of the trachea are independent of upper ... mechanical properties of OSA patients using IOS may provide new insights into the underlying pathophysiology of OSA The aim of this study was to investigate the effect of OSA on lung volumes and mechanical ... college of Xinjiang Medical University, Urumqi, China The People’s Hospital of Xinjiang Uygur Autonomous Region, Urumqi 830001, China Full list of author information is available at the end of the
Ngày tải lên: 02/11/2022, 11:35
Tài liệu MECHANICAL PROPERTIES OF THE HEART AND ITS INTERACTION WITH THE VASCULAR SYSTEM ppt
... which specify the curvature of the line and are determined by the mechanical properties of the muscle as well as the structural features of the ventricle. This curve is called the "end-diastolic ... contraction there is a period of time during which the mechanical properties of the heart are characterized by the EDPVR; knowledge of the EDPVR allows one to specify, for the end of diastole, ... interaction between the ongoing contraction process of the cardiac muscles and the properties of the arterial system and is beyond the scope of this lecture. As the contraction process of the cardiac...
Ngày tải lên: 22/02/2014, 09:20
Tài liệu Mechanical Properties of Engineered Materials P1 pptx
... enter into the problem. The engineer must appreciate the relevant aspects of mechanical behavior at the different length scales. Furthermore, the size scale of the structure can affect the mechanical ... understanding of the mechanical properties of mate- rials. It is not intended to be a comprehensive review of all the different aspects of mechanical properties; such a task would be beyond the capabil- ities ... treatment of the fundamen- tals of the mechanical behavior of materials. The text provides a rigorous review of the fundamental mechanics aspects of the mechanical behavior of materials. Shackleford,...
Ngày tải lên: 23/12/2013, 00:15
Tài liệu The Electrical Properties of Cancer Cells pptx
... roles of the cell membrane. • The extracellular space and the components of the extracellular matrix (ECM) connect to the cytoskeleton of the cells: The electronic functions of the cells and the ... improve the electrical functions of the ECM. Therefore the composition and degree of toxicity of the ECM-glycocalyx interface will affect the electrical field and the flow of biocurrents in the ... between the inside of the cell and the outside of the cell. The difference is known as the membrane potential. • Because the membrane potential is created by the difference in the concentration of...
Ngày tải lên: 14/02/2014, 22:20
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