experimental studies on black layer
DSpace at VNU: Experimental Studies on the Backbone Curves of Reinforced Concrete Columns with Light Transverse Reinforcement
... Libraries on 02/20/16 Copyright ASCE For personal use only; all rights reserved Note: Condition iii = shear failure; Condition ii = shear-flexure failure maximum cumulative energy dissipation of ... normal-weight concrete Experimental Studies An experimental program on RC columns with light transverse reinforcement subjected to seismic loading was conducted to study the backbone curves of ... were investigated using the experimental and analytical studies The conclusions drawn from the experimental and analytical investigations of the five reinforced concrete columns with light transverse
Ngày tải lên: 16/12/2017, 06:23
Theoretical and experimental studies on the corrosion inhibition potentials of some purines for aluminum in 0.1 M HCl
... in basic solutions Corrosion 1998;54:377–85 [4] Srinivasan HS, Mital CK Studies on the passivation behavior of Al–Zn–Mg alloy in chloride solutions containing some anions and cations using electrochemical ... corrosion of Al in acidic medium ii The inhibitors are adsorption inhibitors and their adsorptions on Al surface were spontaneous and were consistent with physiosorption mechanism The adsorption ... Tafel region, plateau region and high polarization region This study revealed the dominance of the Tafel region and thus a short Purines as corrosion inhibitor 209 Fig Variation of EL–H with experimental
Ngày tải lên: 13/01/2020, 08:35
Explaining the effect on food selection of altering availability: two experimental studies on the role of relative preferences
... higher-energy options were available In both studies, around 90% of selections reflected the highest-ranked option in the range offered in the studied availability conditions (range 88–92%) Conclusions: ... Study focused on main meal options only Measures and materials Food options Study 1 Eight options were identified for each of the branded snack and unbranded main meal conditions: four classed ... higher-energy options, and least-preferred four lower-energy options were selected Socioeconomic position The primary measure used for both studies was highest educational qualification, subdivided
Ngày tải lên: 29/11/2022, 10:32
Large scale experimental study on bond behavior between polymer modified cement mortar layer and concrete
... composite layer also depends on the bond performance between the mortar layer and the concrete The bonding performance between the mortar layer and concrete not only involves the strength of the bonding ... length on the bonding performances Fig 15 presents the relation between the bond length L and the bond stress s Fig 15(a) and (b) present all the experimental data W Liao et al / Construction and ... roughness on the bonding performances The bond strength between the concrete and mortar layer is also affected by the mechanical occlusal interaction between the mortar layer and the concrete Interface
Ngày tải lên: 12/01/2020, 21:13
Experimental and theoretical studies on some amino acids and their potential activity as inhibitors for the corrosion of mild steel, part 2
... using condensed Fukui and condensed softness functions The condensed Fukui function and the condensed softness functions are indices that allow for the distinction of each part of a molecule on the ... electrons in their triple or conjugated double bonds [9] The initial mechanism in any corrosion inhibition process is the adsorption of the inhibitor on the metal surface [10–13] The adsorption ... to be one of the best options available for the protection of metals against corrosion [8] The most efficient corrosion inhibitors are organic compounds containing electronegative functional groups
Ngày tải lên: 13/01/2020, 05:01
Experimental and analytical studies on t
... friction is needed Interestingly, the amount of reduction in the value of the coefficient of friction is proportional to the yield displacement—a conclusion that is consistent with the aforementioned ... excitation and PTA is the peak table acceleration of the earthquake excitation The choice for the EDP emerges from dimensional analysis in conjunction with previously published results on the response ... ), the configuration is designated Profile, whereas when the table excitation is along the more slender direction (D), the configuration is designated Face The recorded response for all the shake
Ngày tải lên: 25/01/2022, 13:44
a review on experimental and clinical genetic associations studies on fear conditioning extinction and cognitive behavioral treatment
... of fear conditioning and extinction TB Lonsdorf and R Kalisch 11 Future directions So far, most genetic association studies in the field of fear conditioning and extinction have tapped only very ... conditioning, an environmental stimulus (conditioned stimulus, CS) comes to predict a naturally aversive stimulus (unconditioned stimulus, UCS) and thereby to induce a conditioned fear response ... Authorref Table (Continued ) Genetics of fear conditioning and extinction TB Lonsdorf and R Kalisch Translational Psychiatry Genetics of fear conditioning and extinction TB Lonsdorf and R Kalisch
Ngày tải lên: 01/11/2022, 08:58
Experimental and theoretical investigation of temperature dependent electrical fatigue studies on 1 3 type piezocomposites
... to cyclic loading condition in transducer application is one of the primary concern Hence, this study focuses on 1-3 piezocomposites for various PZT5A1 fiber volume fraction subjected to electrical ... spontaneous polarization (P s ) Movement of atomic positions in a lattice renders distortions consequently leading to mechanical strain as spontaneous strain (ϵ s ) In this model, a tetragonal ... Besides the experimental studies, a number of theoretical models have been developed to study the degradation caused in materials due to fatigue loading condition These models are based on macro-micro
Ngày tải lên: 24/11/2022, 17:51
Experimental and numerical studies on bearing capacity of ground improved by soil cement deep mixing (cdm) columns
... Stress distribution result profiles along the PF column and CDM column CHAPTER CONCLUSIONS AND RECOMMENDATIONS 6.1 Conclusions This research focused on two key objectives The first one is to study ... foundation (PF) (Nguyen et al., 2019) Figure 2.1 The application of CDM for on- land construction (Kitazume and Terashi, 2013) 10 Figure 2.2 The application of CDM for marine construction ... SM layer on settlement of the ground; (b) Influence of stiffness of the SM layer on settlement of the ground 36 ii Figure 4.5 Influence of thickness of the SM layer on: (a) stress induced on
Ngày tải lên: 23/10/2023, 06:18
(Luận văn thạc sĩ) experimental and numerical studies on bearing capacity of ground improved by soil cement deep mixing (cdm) columns
... Stress distribution result profiles along the PF column and CDM column h CHAPTER CONCLUSIONS AND RECOMMENDATIONS 6.1 Conclusions This research focused on two key objectives The first one is to study ... foundation (PF) (Nguyen et al., 2019) Figure 2.1 The application of CDM for on- land construction (Kitazume and Terashi, 2013) 10 Figure 2.2 The application of CDM for marine construction ... layer on settlement of the ground; (b) Influence of stiffness of the SM layer on settlement of the ground 36 ii h Figure 4.5 Influence of thickness of the SM layer on: (a) stress induced on
Ngày tải lên: 06/11/2023, 09:26
Theoretical and experimental studies on nonlinear lumped element transmission lines for RF generation
... INTRODUCTION 1.1 BACKGROUND 1.1.1 DESCRIPTION OF NONLINEAR TRANSMISSION LINE (NLTL) 1.1.2 SURVEY ON NLETL RESEARCH 1.1.3 THEORETICAL CONSIDERATIONS 1.2 OBJECTIVES AND CONTRIBUTION 10 1.3 ... CONCLUSIONS 128 CHAPTER : CONCLUSIONS 129 BIBLIOGRAPHY 132 APPENDIX A: DERIVATION OF KDV EQUATION FOR A LC LADDER CIRCUIT 140 APPENDIX B: ONE-SOLITON SOLUTION ... studied: a) nonlinear capacitive line (NLCL) where only the capacitive component is nonlinear; b) nonlinear inductive line (NLIL) where only the inductive component is nonlinear; and c) nonlinear...
Ngày tải lên: 10/09/2015, 09:26
Theoretical and experimental studies on the promoting effect of boron on cobalt catalyst used for fischer tropsch synthesis
... dehydrogenation In both studies, promotion with boron reduced deposition of deleterious carbon on both catalysts From here, detailed DFT calculations indicate that boron chemisorption on Co surface ... Figure 5.5 Effect of boron promotion on the CO conversion as a function of time on stream for a 20 wt% Co/γ–Al2O3 FTS catalyst (a) Long term stability test Reaction conditions: 240 °C, 20 bar, H2/CO ... condition is studied using a combination of DFT calculations and experimental methods In chapter 5, the effect of boron promotion on the stability of Co catalyst under realistic FTS condition...
Ngày tải lên: 10/09/2015, 15:51
Some experimental studies on vortex ring formation and interaction
... the boundary conditions affect not only the formation number, but also the formation characteristics and the structure of the vortex ring One such condition, which affects the formation characteristics, ... equation 2-1 is based on the assumption that there is no orthogonal velocity component to ux, and the second approximation sign assumes that the velocity of the fluid within the boundary layer ... based on this finding have led to its comparison with the in situ propulsion of jellyfish and its application in efficient propulsion system (Dabiri, 2005) In addition, studies have been conducted...
Ngày tải lên: 16/10/2015, 15:36
Numerical and experimental studies on dynamic load testing of open ended pipe piles and its applications
... Rational and usable wave equation soil model based on field test correlations Proceedings, FHWA International Conference on Design and Construction of Deep Foundations, Orlando, Florida, USA Simons ... foundation solution to the construction site in which soil conditions are varied from distance to distance, compared to the case with only a few static load tests Additionally, the accurate prediction ... shortcomings of conventional one-dimensional stresswave propagation analyses as well as those of the rigorous continuum methods, the matrix method of one-dimensional stress-wave propagation analysis...
Ngày tải lên: 21/05/2016, 22:14
Experimental and theoretical studies on adsorbed natural gas storage system using activated carbons 2
... charge and discharge processes are continued only for three hours, this leaking rate is considered negligible However, it is taken into consideration in the simulation of the cyclic processes for ... adsorption cell, are given below Liq.N2 inlet line 130φ Flange: ISO NW16KF Liq.N2 outlet line All dimensions are in mm 191 Figure C.2 Cryostat for the Adsorption Cell (Front Sectional View) ... different higher temperatures 187 Appendix B Appendix B Experimental Adsorption Uptake Data Table B.1 Experimental uptake data for adsorption of methane onto Maxsorb III Pressure (MPa) Uptake (kg/kg)...
Ngày tải lên: 10/09/2015, 15:54
Experimental and theoretical studies on adsorbed natural gas storage system using activated carbons
... Ng, W.G Chun, Evaluation and simulation of a waste heat driven pressurized solid-sorption chiller, Proceedings of the 5th Asian Conference on Refrigeration and Air-conditioning (ACRA), Tokyo, ... adsorption of methane onto ACF (A-20) 189 Table B.3 Experimental uptake data for adsorption of methane onto Chemviron 190 xix Nomenclature Nomenclature A Adsorption potential [kJ/kg] C Adsorption ... the adsorption kinetics The mechanism of the diffusion process depends on the porous structure of the adsorbent and the adsorption conditions, such as temperature and concentration range (Ruthven,...
Ngày tải lên: 10/09/2015, 15:54
THE MALLEABILITY OF CONSUMER BEHAVIOR EXPERIMENTAL STUDIES OF PRESENTATION FORMATS ON CONSUMER CHOICE AND PERCEPTION
... MALLEABILITY OF CONSUMER BEHAVIOR – EXPERIMENTAL STUDIES OF PRESENTATION FORMATS ON CONSUMER CHOICE AND PERCEPTION One of the significant contributions to the field of behavioral decision research ... INTRODUCTION: MANIPULATING CONSUMER BEHAVIOR Consumer behavior comprises an extent of activities, from pre-purchase deliberation to post-purchase evaluation, and from continued consumption to discontinuance ... no-participation (opt-in mechanism) experimental condition are reported in the table below Table 6: Mean Participation Level of Each Experimental Condition Choice-Frame Opt-Out No-Defaults Opt-In Rejection-Frame...
Ngày tải lên: 12/09/2015, 08:16
Experimental computational studies on transition metal silicides for novel applications in advance CMOS technologies
... silicon consumption to form NiSi is only a half of that for CoSi2 Lower silicon consumption is desirable for the formation of shallow source and drain junctions required for deep sub-micron CMOS ... reactions: diffusion-controlled and nucleationcontrolled mechanisms 36, 37 It is important to note that thin film reactions differ from those on bulk reaction Most of thin film formation involves ... applications in salicide processes In contrast to the conventional Ti silicide processes, nucleation does not limit the formation or transformation of Co silicide phases, even for lateral dimensions...
Ngày tải lên: 12/09/2015, 11:01
Experimental and numerical studies on the viscoelastic behavior of living cells
... cytoskeleton disruption .95 5.3.7 Effect of microtubule cytoskeleton disruption 97 5.4 Conclusions .99 Chapter Finite Element Simulation of Micropipette Aspiration Based on Power-law ... scaling factor and exponent for creep deformation, based on the half-space solution BFE, βFE Power-law scaling factor and exponent for creep deformation, based on the FE simulation CFE Average slope ... aspiration to be almost constant throughout the duration while under constant aspiration pressure However, this was inconsistent with the observed acceleration at the end of aspiration, immediately...
Ngày tải lên: 12/09/2015, 11:01
Experimental and theoretical studies on adsorption chillers driven by waste heat and propane
... region for common working temperatures of evaporator and condenser Figure 2.1(a) The definition of a system configuration in an adsorption or desorption event Figure 2.1(b) Accompanying transition ... molecule and the molecular partition function 25 2.1.5 Energy of N interacting molecules and the canonical partition function 29 2.1.6 The canonical partition function of an adsorbent+adsorbate ... Martin, Loh Wai Soong, Ismail, Azhar Bin, Chun Won Gee, Ng Kim Choon "High Pressure Adsorption Isotherms of Carbon Dioxide and Methane on Activated Carbon from Low-grade Coal of Indonesia" The v...
Ngày tải lên: 12/09/2015, 11:05