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Online since: July 2012
Authors: Ipsita A. Banerjee, Karl R. Fath, Nako Nakatsuka, Nazmul H. Sarker, Ipsita A. Banerjee
Ellagic acid is a naturally occurring polyphenol found in plants, fruits, and nuts [53-54], and is a phytochemical particularly well suited for biomedical applications because of its plethora of known health benefits such as its antiviral [55-56], antioxidant [57], and anticancer [58-61] properties.
The biodegradation properties of the microcomposites were explored according to modification of previously established methods [84].
Investigations of the factors affecting the release behaviours of the system., Int.
Crozier; Ellagitannins, flavonoids and other phenolics in red raspberries and their contribution to antioxidant capacity and vasorelaxation properties, J.
[84] H-Y Li, Y-F Chen, Y-S Xie; Nanocomposites of cross-linking polyanhydrides and hydroxyapatite needles: mechanical and degradable properties, Mater.
The biodegradation properties of the microcomposites were explored according to modification of previously established methods [84].
Investigations of the factors affecting the release behaviours of the system., Int.
Crozier; Ellagitannins, flavonoids and other phenolics in red raspberries and their contribution to antioxidant capacity and vasorelaxation properties, J.
[84] H-Y Li, Y-F Chen, Y-S Xie; Nanocomposites of cross-linking polyanhydrides and hydroxyapatite needles: mechanical and degradable properties, Mater.
Online since: January 2022
Authors: Thuc Boi Huyen Nguyen, Hoc Thang Nguyen
Nguyen, Effects of Plasticizers on Mechanical Properties, Oxygen Permeability, and Microstructural Characteristics of HPMC/Beeswax Composite Film, Nano Hybrids and Composites, 32 (2021) 25-34
Manyele, Analysis of the Factors Affecting the Value-Added to Dried Pineapple Fruits Using a Simple Interactive Computer Model.
Wu, Chemical Characterization and Antioxidant Properties of Ethanolic Extract and Its Fractions from Sweet Potato (Ipomoea batatas L.)
Manyele, Analysis of the Factors Affecting the Value-Added to Dried Pineapple Fruits Using a Simple Interactive Computer Model.
Wu, Chemical Characterization and Antioxidant Properties of Ethanolic Extract and Its Fractions from Sweet Potato (Ipomoea batatas L.)
Environmental Protection of Metal Structures at High Temperature: State of the Art and Future Trends
Online since: August 2004
Authors: Christian Coddet
In the high temperature field, ceramic
coatings are essentially considered for their thermal insulating properties.
Recently the low CTE pyrochlore formula La2Hf2O7 was proposed and seems to present interesting properties [67].
Another way to adapt coating properties is to favour particular grain growth orientations.
Most EBC and TBC having physical and mechanical properties different from those of the substrate materials, it is common practice to use "bond coats".
Several development orientations going sometimes to opposite directions can be distinguished: one approach is to try and limit the thickness of the BC; indeed, especially for moving parts, this bond coat represents a supplementary mechanical loading affecting the overal performance of the system.
Recently the low CTE pyrochlore formula La2Hf2O7 was proposed and seems to present interesting properties [67].
Another way to adapt coating properties is to favour particular grain growth orientations.
Most EBC and TBC having physical and mechanical properties different from those of the substrate materials, it is common practice to use "bond coats".
Several development orientations going sometimes to opposite directions can be distinguished: one approach is to try and limit the thickness of the BC; indeed, especially for moving parts, this bond coat represents a supplementary mechanical loading affecting the overal performance of the system.
Online since: September 2013
Authors: Noor A. Ahmed, J.R. Page
Page 2
1Head, Aerospace Engineering
School of Mechanical & Manufacturing Engineering, University of New South Wales,
Sydney NSW 2052, Australia
1Senior Lecturer, Aerospace Engineering
School of Mechanical & Manufacturing Engineering, University of New South Wales,
Sydney NSW 2052, Australia
Key words: 3D printing, design, manufacture, UAV
Abstract.
DESIGN Wing structure was designed to sustain the load having a load factor of 3.8.
The reason why square spars are chosen is that they have good properties in resisting the torsional load as well as bending load.
Since there are ailerons on the wings, the position of the rear spar cannot be very toward otherwise it could deteriorate control surfaces’ bending properties.
[10] Pissasale, A.J. & Ahmed, N.A., “Development of a functional relationship between port pressures and flow properties for the calibration and application of multi-hole probes to highly three-dimensional flows,” Experiments in Fluids, Vol. 36, No. 3, 2004, pp. 422-436
DESIGN Wing structure was designed to sustain the load having a load factor of 3.8.
The reason why square spars are chosen is that they have good properties in resisting the torsional load as well as bending load.
Since there are ailerons on the wings, the position of the rear spar cannot be very toward otherwise it could deteriorate control surfaces’ bending properties.
[10] Pissasale, A.J. & Ahmed, N.A., “Development of a functional relationship between port pressures and flow properties for the calibration and application of multi-hole probes to highly three-dimensional flows,” Experiments in Fluids, Vol. 36, No. 3, 2004, pp. 422-436
Online since: May 2013
Authors: Horia Gavrilǎ, Doina Gavrilǎ
Nevertheless, PR must solve still some technological problems, as well as the problem of the distribution of the material properties [3]: small distributions of the orientation and of the anisotropy increase the transition parameter, while SNR varies opposite to the second power of this parameter.
The intergranular exchange coupling can affect the second step of the switching process, leading to a steeper hysteresis loop, but has poor effect on the first step [14].
If this interlayer is missing and the intragranular exchange coupling is strong, we talk about exchange spring media, proposed as a way to increase the quality factor of permanent magnets.
Such an increase of f0 facilitates the writing process but affects the archivability, as results form the equation [17] , (4) where t is the measurement time, H is the applied field and .
(The adjacent track erasure is today a key factor limiting recording density!)
The intergranular exchange coupling can affect the second step of the switching process, leading to a steeper hysteresis loop, but has poor effect on the first step [14].
If this interlayer is missing and the intragranular exchange coupling is strong, we talk about exchange spring media, proposed as a way to increase the quality factor of permanent magnets.
Such an increase of f0 facilitates the writing process but affects the archivability, as results form the equation [17] , (4) where t is the measurement time, H is the applied field and .
(The adjacent track erasure is today a key factor limiting recording density!)
Online since: October 2010
Authors: Andreas Chrysanthou
As a result of these factors, the composites so-synthesized may attain inferior mechanical properties.
The wear resistance of dispersion-strengthened materials is dependent on several factors including the size, shape, quantity and quality of the dispersion.
Another influential factor is the wettability between the molten matrix and the solid reinforcement.
This factor may have prevented completion of the reaction to utilise the entire Ti-graphite.
Thus, the above mentioned factors jointly facilititate and sustain the Ti-C reaction bringing about more effective generation of finer TiC particles with improved degree of uniformity of their distribution in the matrix.
The wear resistance of dispersion-strengthened materials is dependent on several factors including the size, shape, quantity and quality of the dispersion.
Another influential factor is the wettability between the molten matrix and the solid reinforcement.
This factor may have prevented completion of the reaction to utilise the entire Ti-graphite.
Thus, the above mentioned factors jointly facilititate and sustain the Ti-C reaction bringing about more effective generation of finer TiC particles with improved degree of uniformity of their distribution in the matrix.
Online since: January 2012
Authors: Hisashi Sato, Yoshimi Watanabe, Eri Miura-Fujiwara, Takayuki Nishiura
Therefore, it is expected that the phase transformation behavior induced by surface treatment is different depending on the surface treatment technique, and that the microstructure of the deformation-induced layer would be also affected by it.
Based on it, two factors are considered as the reason for the occurrence of the reverse transformation.
One factor is the heat generation during shot-peening, the other one is the decrement of the phase transformation temperature due to SPD.
As a result, the deformation-induced layer due to the shot-peening test has the same microstructure and mechanical property regardless of initial microstructure
Based on it, two factors are considered as the reason for the occurrence of the reverse transformation.
One factor is the heat generation during shot-peening, the other one is the decrement of the phase transformation temperature due to SPD.
As a result, the deformation-induced layer due to the shot-peening test has the same microstructure and mechanical property regardless of initial microstructure
Online since: August 2022
Authors: Rizana Yusof, Ahmad Anas Nagoor Gunny, Jenny Janam Anak Seminai, Mohd Hishamuddin Che Mat, Abdul Aziz Ahmad, Fadhilnor Abdullah
About 17% to 37% of harvested mangoes are damaged by mechanical and physical handling during transportation, and other post-harvest practices.
In this study, there were some fluctuations in colour index value, which might be due to the degradation process affecting the colour pigment distribution on the mangoes.
Fig. 5 Detection of mango ripening stages[22] The most important factor in assessing the storage life and consistency of fruits like mangoes is maturity.
The application of essential oil on unwounded mangoes did not affect their solid soluble content (SSC) and colour index, but it did affect the weight (g) and firmness (g/f) of the mangoes due to loss of water.
Kitthawee, “Firmness Properties of Mangoes,” Int.
In this study, there were some fluctuations in colour index value, which might be due to the degradation process affecting the colour pigment distribution on the mangoes.
Fig. 5 Detection of mango ripening stages[22] The most important factor in assessing the storage life and consistency of fruits like mangoes is maturity.
The application of essential oil on unwounded mangoes did not affect their solid soluble content (SSC) and colour index, but it did affect the weight (g) and firmness (g/f) of the mangoes due to loss of water.
Kitthawee, “Firmness Properties of Mangoes,” Int.
Online since: April 2020
Authors: Malee Santikunaporn, Songwuit Chanthee
Introduction
During the last decades, carbon nanofibers (CNFs) are increasingly gaining attention as important materials in various applications, particularly in catalysis aspect due to their excellent properties such as high specific surface area, flexibility to functionalize their surface, and superior mechanical performance (e.g. tensile strength and stiffness) [1 2].
CNFs obtained were characterized by FTIR, XRD and SEM techniques to further study their physical and chemical properties.
Ꞁ = K λ / β cos θ (1) where Ꞁ is the average grain size of particles, K is a dimensionless factor (typical value = 0.9), λ is the X-ray wavelength, β is the line broadening at maximum intensity of full width at half maximum (WFHM), and θ is the Bragg angle.
The NR added as a co carbon resource into a PAN precursor did not affect the carbon fiber formation since pores or branches were not found on the surface.
Ramakrishna, Functional properties of electrospun NiO/RuO2 composite carbon nanofibers, J.
CNFs obtained were characterized by FTIR, XRD and SEM techniques to further study their physical and chemical properties.
Ꞁ = K λ / β cos θ (1) where Ꞁ is the average grain size of particles, K is a dimensionless factor (typical value = 0.9), λ is the X-ray wavelength, β is the line broadening at maximum intensity of full width at half maximum (WFHM), and θ is the Bragg angle.
The NR added as a co carbon resource into a PAN precursor did not affect the carbon fiber formation since pores or branches were not found on the surface.
Ramakrishna, Functional properties of electrospun NiO/RuO2 composite carbon nanofibers, J.
Online since: August 2017
Authors: Shigeru Suzuki, Masugu Sato, Kentaro Kajiwara, Kozo Shinoda, Yusuke Onuki, Shun Fujieda, Ryuji Ukai, Shigeo Sato
Thus, before investigating strains induced by external magnetic fields, it is of interest to characterize the stress or strain evolved in the Fe-Ga alloys with external mechanical loading.
Such heterogeneous dislocations are considered to affect the measured stress level in the stress analysis, as the overall average lattice spacing was analyzed in this study.
Schlagel, Magnetostrictive properties of body-centered cubic Fe-Ga and Fe-Ga-Al alloys, IEEE Trans.
Lograsso, Magnetostrictive Properties of Galfenol Alloys Under Compressive Stress, Mater.
Wun-Fogle, Tensile properties of magnetostrictive iron–gallium alloys, Acta Mater. 42 (2004) 5043-5050
Such heterogeneous dislocations are considered to affect the measured stress level in the stress analysis, as the overall average lattice spacing was analyzed in this study.
Schlagel, Magnetostrictive properties of body-centered cubic Fe-Ga and Fe-Ga-Al alloys, IEEE Trans.
Lograsso, Magnetostrictive Properties of Galfenol Alloys Under Compressive Stress, Mater.
Wun-Fogle, Tensile properties of magnetostrictive iron–gallium alloys, Acta Mater. 42 (2004) 5043-5050