elasticity creep and stress relaxation

... quasi-static stress strain relation is non-linear [11,24] On the other hand, stress relaxation dynamics are independent of strain Implying quasi-linear viscoelasticity, Ingenito and colleagues ... preprocessed and analyzed the data and wrote the manuscript JG and KM assisted study design, data analysis and writing DS participated in data measurement and assisted writing SS assisted data analysis and ... stress relaxation between level P1 and Pplat Lumped parameter model Electrical circuit analog to the spring-andLumped parameter model dashpot model R denotes the Newtonian airway resistance and...

Ngày tải lên: 13/08/2014, 20:21

... Graphy : geography, photography,… The stress of nouns, adjectives and verbs having syllables Noun/adj :stress is on the first : export, record, expert Verb : stress is on the second : export, record, ... syllables receive the stress on the second syllables Ate : dictate, locate,… Ize (ise) : surprise, baptize, precise,… Fy, ly : defy, rely, reply,… If having syllables receive the stress on the third ... d.read d.week d.promise d.worked d.city d.spend d.practiced - • - • - - - WORD STRESS The endings which receive the stress: Oo : shampoo, kangaroo, yahoo… (cuckoo) Ee : employee, absentee, trainee,…(committee,...

Ngày tải lên: 07/07/2013, 01:27

Ngày tải lên: 01/11/2013, 14:20

... 17 misunderstanding For example, sleep may sound slip and sheep may sound ship Pairs of English vowels such as /i:/ and //, /ổ/ and /e/, /:/ and / /, /:/ and //, /:/ and / /, /u:/ and // are compared ... pronunciation especially sounds and stress is discussed 1.2 Pronunciation Pronunciation consists of three aspects: sound, stress and intonation However, in the thesis, only sounds and stress are focused on ... 2.7 Word Stress 2.7.1 Word Stress in English 2.7.1.1 Definition According to Clarey and Dixson (1963:9), word stress is the emphasis given to a particular syllable within a word We mark stress...

Ngày tải lên: 18/12/2013, 21:45

... Parvaiz Ahmad, and Nicole Geissler Prospects of Halophytes in Understanding and Managing Abiotic Stress Tolerance Vinayak H Lokhande and Penna Suprasanna UV-B Radiation, Its Effects and Defense ... both whole plant and cellular level through osmotic stress in an earlier phase and ionic stress at a later stage of Prospects of Halophytes in Understanding and Managing Abiotic Stress Tolerance ... withstand the stress Chapter describes involvement of different osmolytes, osmoprotectants, and antioxidants during abiotic stress Chapter deals with the role of halophytes in understanding and...

Ngày tải lên: 14/03/2014, 10:20

... morpheme boundary with a " + " symbol and to mark the "stress- neutral" boundary with a " # " symbol (Scare quotes are placed around "stress- shifting" and "stress- neutral" because these terms are ... Really Stress Neutral? It might be possible to extend this position to its logical extreme and say that all level affixes stress like compounds, and thus completely away with the concept of stress ... Compound Theory: (All) Level affixes are stressed just like compounds; they receive main stress on the left in nouns and main stress on the right in verbs and adjectives • Retraction Class II Stems...

Ngày tải lên: 31/03/2014, 17:20

... Disorders Child Abuse and Stress Disorders Psychological Disorders Addiction Alzheimer’s Disease and Other Dementias Anxiety Disorders Child Abuse and Stress Disorders Depression and Bipolar Disorder ... addresses and links may have changed since publication and may no longer be valid Table of Contents Foreword What Is Stress? Health Effects of Chronic Stress Acute Stress Disorder Post-Traumatic Stress ... divisions of the nervous system, and the production and secretion of hormones such as cortisol and adrenaline Child Abuse and Stress Disorders Cortisol Whether the source of stress is emotional or physical...

Ngày tải lên: 03/05/2014, 18:12

... conduction band (CB) followed by intraband relaxation to the band edge Presented in Figure 5A and B are the results of the TA rise time studies for the colloidal QDs and QRs, respectively Figure 5C and ... neighboring NCs and the reduction in surface ligands from the hydrazine treatment samples on intraband relaxation is less significant For both QDs and QRs, the thin-film samples exhibit intraband relaxation ... increased intraband relaxation times as a result of the film preparation and hydrazine treatment, which removed (in part) the ligand relaxation pathway for the holes The longer intraband relaxation...

Ngày tải lên: 06/05/2014, 08:55

... conduction band (CB) followed by intraband relaxation to the band edge Presented in Figure 5A and B are the results of the TA rise time studies for the colloidal QDs and QRs, respectively Figure 5C and ... neighboring NCs and the reduction in surface ligands from the hydrazine treatment samples on intraband relaxation is less significant For both QDs and QRs, the thin-film samples exhibit intraband relaxation ... increased intraband relaxation times as a result of the film preparation and hydrazine treatment, which removed (in part) the ligand relaxation pathway for the holes The longer intraband relaxation...

Ngày tải lên: 06/05/2014, 08:58

... Chapter Stress and Strain 7.1 7.2 7.3 7.4 7.5 7.6 7.7 7.8 7.9 7.10 7.1 7.12 7.13 7.14 7.15 Direct stress in tension and compression Shear stress in shear and torsion Complementary shear stress ... Complex Stress and Strain 14.1 14.2 14.3 14.4 14.5 14.6 14.7 14.8 14.9 14.10 Representation of stress at a point Determination of stresses on inclined planes Principal stresses Mohr’s circle of stress ... associated stresses and strains are considered, while complex stress and strain systems produced by the simultaneous application of different types of load follow the determination of stresses and strains...

Ngày tải lên: 04/06/2014, 13:27

... to the pamphlets and posters that depict the nature, causes, and signs and symptoms of stress, stress reduction through adopting a healthy life style, and methods of managing stress in the workplace ... References were made to the Job Demand Control Model of stress and how work conditions of high job demand, low job control and poor social support can result in severe stress and serious health consequences ... DASS-anxiety and DASS -stress scales Table and Figures 1, and show the effects of SMT on the mean (SD) scores (pre- and post-intervention) for DASS-Depression, DASS-Anxiety and DASS -Stress scales...

Ngày tải lên: 20/06/2014, 00:20

... arch 133 133 136 142 143 CHAPTER Stress and Strain 7.1 7.2 7.3 7.4 7.5 Direct stress in tension and compression Shear stress in shear and torsion Complementary shear stress Direct strain Shear strain ... Complex Stress and Strain 14.1 14.2 14.3 14.4 14.5 14.6 14.7 14.8 14.9 14.10 Representation of stress at a point Determination of stresses on inclined planes Principal stresses Mohr’s circle of stress ... associated stresses and strains are considered, while complex stress and strain systems produced by the simultaneous application of different types of load follow the determination of stresses and strains...

Ngày tải lên: 20/06/2014, 14:06

... the environment The deformation and the stress are linked together and occur according to the Young's modulus and the Poisson's ratio of materials of the finger and the environment If the materials ... human sensation and display is the same point 12 Sensors, Focus on Tactile, Force and Stress Sensors 5.1 Simultaneous sensing and display In order to realize the active touch, sensing and display ... sensor itself and a certain object This interaction is restricted to a well defined and usually small region In contrast, the force and torque sensors normally measure the total forces and torques...

Ngày tải lên: 21/06/2014, 20:20

... = π Lσ L + π T σ T R ρ (6) where σL and σT are the longitudinal stress and transverse stress, and πL and πT are the longitudinal piezoresistance coefficient and transverse piezoresistance coefficient, ... n1, l2, m2, and n2 are the transverse direction cosine and longitudinal direction cosine, respectively (Kanda, 1982) The relationship between the change rate of the resistance and the stress can ... show von Mises stress in MPa under torque T of 0.8 Nm (Fig 14a), tangential displacement in mm (Fig 14b), von Mises stress under bending moment MYZ of 0.8 Nm (Fig 14c), and von Mises stress under...

Ngày tải lên: 21/06/2014, 20:20

... (11), (14) and the above equations, we have 80 Sensors, Focus on Tactile, Force and Stress Sensors (19) (20) (21) (22) and are the strains on the sensors at xa and xb corresponding Fz, and where ... the detection of surface stress (RPR), n+-poly Si reference resistor with very small stress sensitivity (Rpoly), logic gates for pixel select operation (NAND and NOT), and switch MOSFETs for resistor ... figure), and RM1 and RM2 are on-channel resistances of M1 and M2, respectively (Takao et al., 2006) In this situation, M1 and M2 are operating in non-saturation region at gate voltage of Vdd, and...

Ngày tải lên: 21/06/2014, 20:20

... the interface FPGA circuit Commands HiroHand_open_connection HiroHand_close_connection HiroHand_force_offset HiroHand_get_force Function Open connection between PC and FPGA by UDP/IP Close connection ... objects through the fingertips because the hand mechanism is mounted on the back of a human hand Fixing the haptic interface to the hand binds the hand and creates an oppressive sensation in the ... requires a large mechanism and entails difficulty in construction Therefore, HIRO and HIRO II+ have high reduction mechanisms and require a 88 Sensors, Focus on Tactile, Force and Stress Sensors force...

Ngày tải lên: 21/06/2014, 20:20

... VSDCN and VPDCN In brief, we only introduce the result of VSDCN The decoupling and compensating results between direction Z and direction X is shown in Fig.5-3 (a) and (b) The decoupling and compensating ... the decoupled and compensated result Fig 5-3 (a) Decoupling and compensating result of direction Z 182 Sensors, Focus on Tactile, Force and Stress Sensors Fig 5-3 (b) Decoupling and compensating ... Tactile, Force and Stress Sensors Yi = n Li − ∑ Dij L j , (i = 1, 2, , n) Dii jj =1 ≠i (5.17) Equation (5.17) can be written in a matrix form Y = LT (5.18) Where, Y and L are line vectors, and T is...

Ngày tải lên: 21/06/2014, 20:20

... Robotics, Automation and Mechatronics, pp 208-212 216 Sensors, Focus on Tactile, Force and Stress Sensors Romiti A & Sorli M (1992) Force and Moment Measurement on a Robotic Assembly Hand Sensors Actuators ... final and the width of the threshold-band (δλTh) is defined as the numerical difference between λTh-final and λTh-initial, i.e (λTh-f -λTh-i) and modeled as, 230 Sensors, Focus on Tactile, Force and ... Varshney, 1986) was amplified and extended for i] correlated local binary decisions (Moshe, 1992) and ii] team hypothesis testing and environmental simulation (Tenney & Sandell, 1981a), (Sadjadi,...

Ngày tải lên: 21/06/2014, 20:20

... Tactile Sensor." Sensors and Actuators A 54: 505-510 Cutkosky, M R and I Kao (1989) "Computing and controlling the compliance of a robotic hand." IEEE Transactions on Robotics and Automation 5(2): ... among the tactile sensors based on MEMS and silicon micromachining (Gray and Fearing 1996; Schmidt, Mael et al 2006) 294 Sensors, Focus on Tactile, Force and Stress Sensors 4.5 Optical sensors Tactile ... Valle et al 2008) 300 Sensors, Focus on Tactile, Force and Stress Sensors Conclusion and future development Despite an important role and being a component of robotics roughly as long as vision,...

Ngày tải lên: 21/06/2014, 20:20

... potential for fast and non-destructive contour and roughness measurement within spray holes 396 Sensors, Focus on Tactile, Force and Stress Sensors Conclusion Construction, fabrication and testing ... matrix between V and ρ δ V (m,n ) = Sm,n,x,y δ ρ (x,y ) (1) Here, m and n indicate the position of the applying electrode pair and the measuring electrode pair, respectively, and x and y indicate ... expect lateral and vertical resolutions of 0.15 µm and 0.5 nm, respectively Measured stripe heights and widths are summarized in Table showing deviations from the nominal height and width of less...

Ngày tải lên: 21/06/2014, 20:20