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- Jason R. Hattrick-Simpers (30)
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- Miao Yu (4)
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Articles 1 - 30 of 109
Full-Text Articles in Engineering
Magnetic Transitions In Disordered Gdal2, D. Williams, Paul Shand, Thomas Pekarek, Ralph Skomski, Valeri Petkov, Diandra Leslie-Pelecky
Magnetic Transitions In Disordered Gdal2, D. Williams, Paul Shand, Thomas Pekarek, Ralph Skomski, Valeri Petkov, Diandra Leslie-Pelecky
Thomas M. Pekarek
The role of disorder in magnetic ordering transitions is investigated using mechanically milled GdAl2. Crystalline GdAl2 is a ferromagnet while amorphous GdAl2 is a spin glass. Nanostructured GdAl2 shows a paramagnetic-to-ferromagnetic transition and glassy behavior, with the temperature and magnitude of each transition dependent on the degree and type of disorder. Disorder is parametrized by a Gaussian distribution of Curie temperatures TC with mean TC and breadth Δ TC. A nonzero coercivity is observed at temperatures more than 20 K above the highest TC of any known Gd-Al phase; however, the coercivity decreases with decreasing temperature over the same temperature …
Getting To The Root Of Bacterial Hairs: What Is “S”?, Rebecca Gaddis, Samantha O'Conner, Evan Anderson, Terri Camesano, Nancy Burnham
Getting To The Root Of Bacterial Hairs: What Is “S”?, Rebecca Gaddis, Samantha O'Conner, Evan Anderson, Terri Camesano, Nancy Burnham
Nancy A. Burnham
An atomic force microscope (AFM) was used to measure the steric forces of lipopolysaccharides (LPS) on the biofilm-forming bacteria, Pseudomonas aeruginosa. It is well known that LPS play a vital role in biofilm formation. These forces were characterized with a modified version of the Alexander and de Gennes (AdG) model for polymers, which is a function of equilibrium brush length, L, probe radius, R, temperature, T, separation distance, D, and an indefinite density variable, s. This last parameter was originally distinguished by de Gennes as the root spacing or mesh spacing depending upon the type of polymer adhesion; however since …
Disorder-Induced Depression Of The Curie Temperature In Mechanically Milled Gdal2, Marco Morales Torres, D. Williams, Paul Shand, C. Stark, Thomas Pekarek, L. Yue, Valeri Petkov, Diandra Leslie-Pelecky
Disorder-Induced Depression Of The Curie Temperature In Mechanically Milled Gdal2, Marco Morales Torres, D. Williams, Paul Shand, C. Stark, Thomas Pekarek, L. Yue, Valeri Petkov, Diandra Leslie-Pelecky
Thomas M. Pekarek
The effect of disorder on the ferromagnetic transition is investigated in mechanically milled GdAl2. GdAl2is a ferromagnet when crystalline and a spin glass when amorphous. Mechanical milling progressively disorders the alloy, allowing observation of the change from ferromagnetic to a disordered magnetic state. X-ray diffraction and pair-distribution-function analysis are used to determine the grain size, lattice parameter, and mean-squared atomic displacements. The magnetization as a function of temperature is described by a Gaussian distribution of Curie temperatures. The mean Curie temperature decreases with decreasing lattice parameter, where lattice parameter serves as a measure of defect concentration. Two different rates of …
Devices For Application And Load Bearing And Method Of Using The Same, Alfred J. Crosby, Michael D. Bartlett, Duncan J. Irschick, Daniel R. King
Devices For Application And Load Bearing And Method Of Using The Same, Alfred J. Crosby, Michael D. Bartlett, Duncan J. Irschick, Daniel R. King
Michael Bartlett
Evaluation Of Biofield Energy Treatment On Physical And Thermal Characteristics Of Selenium Powder, Mahendra Kumar Trivedi, Rama Mohan Tallapragada, Dahryn Trivedi, Alice Branton, Gopal Nayak, Omprakash Latiyal, Snehasis Jana
Evaluation Of Biofield Energy Treatment On Physical And Thermal Characteristics Of Selenium Powder, Mahendra Kumar Trivedi, Rama Mohan Tallapragada, Dahryn Trivedi, Alice Branton, Gopal Nayak, Omprakash Latiyal, Snehasis Jana
Mahendra Kumar Trivedi
Selenium (Se) is an essential trace element, and its deficiency in the humans leads to increase the risk of various diseases, such as cancer and heart diseases. The objective of this study was to investigate the influence of biofield energy treatment on the physical and thermal properties of the selenium powder. The selenium powder was divided into two parts denoted as control and treated. The Control part was remained as untreated and treated part received Mr. Trivedi’s biofield energy treatment. Both control and treated selenium samples were characterized using x-ray diffraction (XRD), differential scanning calorimetry (DSC), thermogravimetric analysis - differential …
Evaluation Of Atomic, Physical And Thermal Properties Of Tellurium Powder: Impact Of Biofield Energy Treatment, Mahendra Kumar Trivedi, Rama Mohan Tallapragada, Alice Branton, Dahryn Trivedi, Gopal Nayak, Omprakash Latiyal, Snehasis Jana
Evaluation Of Atomic, Physical And Thermal Properties Of Tellurium Powder: Impact Of Biofield Energy Treatment, Mahendra Kumar Trivedi, Rama Mohan Tallapragada, Alice Branton, Dahryn Trivedi, Gopal Nayak, Omprakash Latiyal, Snehasis Jana
Mahendra Kumar Trivedi
Evaluation Of Thermal And Physical Properties Of Magnesium Nitride Powder: Impact Of Biofield Energy Treatment, Mahendra Kumar Trivedi, Rama Mohan Tallapragada, Alice Branton, Dahryn Trivedi, Gopal Nayak, Omprakash Latiyal, Snehasis Jana
Evaluation Of Thermal And Physical Properties Of Magnesium Nitride Powder: Impact Of Biofield Energy Treatment, Mahendra Kumar Trivedi, Rama Mohan Tallapragada, Alice Branton, Dahryn Trivedi, Gopal Nayak, Omprakash Latiyal, Snehasis Jana
Mahendra Kumar Trivedi
Characterization Of Antimicrobial Susceptibility Profile Of Biofield Treated Multidrug-Resistant Klebsiella Oxytoca, Mahendra Kumar Trivedi, Alice Branton, Dahryn Trivedi, Gopal Nayak, Harish Shettigar, Mayank Gangwar, Snehasis Jana
Characterization Of Antimicrobial Susceptibility Profile Of Biofield Treated Multidrug-Resistant Klebsiella Oxytoca, Mahendra Kumar Trivedi, Alice Branton, Dahryn Trivedi, Gopal Nayak, Harish Shettigar, Mayank Gangwar, Snehasis Jana
Mahendra Kumar Trivedi
Potential Impact Of Biofield Energy Treatment On The Atomic, Physical And Thermal Properties Indium Powder, Mahendra Kumar Trivedi, Rama Mohan Tallapragada, Alice Branton, Dahryn Trivedi, Gopal Nayak, Omprakash Latiyal, Snehasis Jana
Potential Impact Of Biofield Energy Treatment On The Atomic, Physical And Thermal Properties Indium Powder, Mahendra Kumar Trivedi, Rama Mohan Tallapragada, Alice Branton, Dahryn Trivedi, Gopal Nayak, Omprakash Latiyal, Snehasis Jana
Mahendra Kumar Trivedi
Improvement Of Mechanical Properties And Water Stability Of Vegetable Protein Based Plastics, Gowrishankar Srinivasan
Improvement Of Mechanical Properties And Water Stability Of Vegetable Protein Based Plastics, Gowrishankar Srinivasan
Gowrishankar Srinivasan
Bio-renewable bio-degradable plastics are a potential solution to the growing problems of pollution caused by petroleum plastics and dependency on foreign nations for petroleum resources. One possible feed stock for these materials are vegetable proteins, especially from soy bean and corn. These proteins have relatively high molecular weights and have the potential of being processed with standard polymer processing technologies. But some issues that need to be addressed are their water instability (soy protein) and inferior mechanical properties as compared to petroleum derived plastics. In this study, soy protein isolates (SPI) and zein protein was processed with various additives and …
Soy Protein Polymers: Enhancing The Water Stability Property, Gowrishankar Srinivasan
Soy Protein Polymers: Enhancing The Water Stability Property, Gowrishankar Srinivasan
Gowrishankar Srinivasan
Soy protein based plastics have been processed in the past by researchers for various short-term applications; however a common issue is the high water sensitivity of these plastics. This work concentrates on resolving this water sensitivity issue of soy protein polymers by employing chemical and mechanical interaction at the molecular level during extrusion. The primary chemical interactions employed were anhydride chemistries such as maleic anhydride (MA), phthalic anhydride (PTA), and butylated hydroxyanisole (BHA). These were respectively used in conjunction with glycerol as a plasticizer to produce relatively water stable soy protein based plastics. Formulations with varying additive levels of the …
A Study Of The Electrochemical Dissolution And Passivation Phenomenon Of Roasted Gold Ore In Cyanide Solutions, Ahmet Deniz Bas, Wei Zhang, Edward Ghali, Yeonuk Choi
A Study Of The Electrochemical Dissolution And Passivation Phenomenon Of Roasted Gold Ore In Cyanide Solutions, Ahmet Deniz Bas, Wei Zhang, Edward Ghali, Yeonuk Choi
Ahmet Deniz Bas
No abstract provided.
A Simplified Approach For Negative Skin Friction Calculation Of Special-Shaped Pile Considering Pile-Soil Interaction Under Surcharge, Gang-Qiang Kong, Hang Zhou, Han-Long Liu, Xuan-Ming Ding, Robert Liang
A Simplified Approach For Negative Skin Friction Calculation Of Special-Shaped Pile Considering Pile-Soil Interaction Under Surcharge, Gang-Qiang Kong, Hang Zhou, Han-Long Liu, Xuan-Ming Ding, Robert Liang
Robert Y. Liang
A simplified approach was proposed to analyze the negative skin friction calculation of special-shaped pile considering pile-soil interaction under surcharge. Based on the concentric cylinder shearing theory, considering the changes of pile shape (such as, taper angle and diameters of pile base, etc.), the load-transfer of special-shaped pile was built. The accuracy of the developed simplified approach was verified by numerical simulation model with the same condition. Then, the influence factors, such as, taper angles, the diameter of pile base, surcharge, and pile-soil interface parameters were analyzed and discussed. The results show that the developed simplified approach can calculate NSF …
Characterization Of Physical And Structural Properties Of Aluminium Carbide Powder: Impact Of Biofield Treatment, Mahendra Kumar Trivedi, Rama Mohan Tallapragada, Alice Branton, Dahryn Trivedi, Gopal Nayak, Omprakash Latiyal, Snehasis Jana
Characterization Of Physical And Structural Properties Of Aluminium Carbide Powder: Impact Of Biofield Treatment, Mahendra Kumar Trivedi, Rama Mohan Tallapragada, Alice Branton, Dahryn Trivedi, Gopal Nayak, Omprakash Latiyal, Snehasis Jana
Mahendra Kumar Trivedi
A Study Of Electrochemical Interactions Between Gold And Its Associated Oxide Minerals, Ahmet Deniz Bas, Edward Ghali, Yeonuk Choi
A Study Of Electrochemical Interactions Between Gold And Its Associated Oxide Minerals, Ahmet Deniz Bas, Edward Ghali, Yeonuk Choi
Ahmet Deniz Bas
There is a lack of electrochemical studies of oxidized gold ores since the majority of previous studies were conducted with sulphidic gold ores. In this study, the influence of agitation and iron oxide minerals, i.e. magnetite, hematite, and maghemite on gold leaching was investigated by means of galvanic and passivation phenomena. Cyclic voltammetry studies of Roasted Gold Ore (RGO) in de-aerated electrolyte have shown one oxidation and one reduction reaction while three oxidation and one reduction peaks were observed with gold electrode. Galvanic coupling results by Zero Resistance Ammeter (ZRA) mode indicated that magnetite showed a negative effect on gold …
Characterization Of Physical, Thermal And Structural Properties Of Chromium (Vi) Oxide Powder: Impact Of Biofield Treatment, Mahendra Kumar Trivedi, Rama Mohan Tallapragada, Alice Branton, Dahryn Trivedi, Gopal Nayak, Omprakash Latiyal, Snehasis Jana
Characterization Of Physical, Thermal And Structural Properties Of Chromium (Vi) Oxide Powder: Impact Of Biofield Treatment, Mahendra Kumar Trivedi, Rama Mohan Tallapragada, Alice Branton, Dahryn Trivedi, Gopal Nayak, Omprakash Latiyal, Snehasis Jana
Mahendra Kumar Trivedi
Three-Dimensional Confocal Microscopy Indentation Method For Hydrogel Elasticity Measurement, Donghee Lee, Md Mahmudur Rahman, You Zhou, Sangjin Ryu
Three-Dimensional Confocal Microscopy Indentation Method For Hydrogel Elasticity Measurement, Donghee Lee, Md Mahmudur Rahman, You Zhou, Sangjin Ryu
Md Mahmudur Rahman
No abstract provided.
Influence Of Biofield Treatment On Physical And Structural Characteristics Of Barium Oxide And Zinc Sulfide, Mahendra Trivedi, Rama Mohan Tallapragada, Alice Branton, Dahryn Trivedi, Omprakash Latiyal, Snehasis Jana
Influence Of Biofield Treatment On Physical And Structural Characteristics Of Barium Oxide And Zinc Sulfide, Mahendra Trivedi, Rama Mohan Tallapragada, Alice Branton, Dahryn Trivedi, Omprakash Latiyal, Snehasis Jana
Mahendra Kumar Trivedi
Impact Of Biofield Treatment On Atomic And Structural Characteristics Of Barium Titanate Powder, Mahendra Kumar Trivedi, Gopal Nayak, Shrikant Patil, Rama Mohan Tallapragada, Omprakash Latiyal, Snehasis Jana
Impact Of Biofield Treatment On Atomic And Structural Characteristics Of Barium Titanate Powder, Mahendra Kumar Trivedi, Gopal Nayak, Shrikant Patil, Rama Mohan Tallapragada, Omprakash Latiyal, Snehasis Jana
Mahendra Kumar Trivedi
An Evaluation Of Biofield Treatment On Thermal, Physical And Structural Properties Of Cadmium Powder, Mahendra Kumar Trivedi, Gopal Nayak, Shrikant Patil, Rama Mohan Tallapragada, Omprakash Latiyal, Snehasis Jana
An Evaluation Of Biofield Treatment On Thermal, Physical And Structural Properties Of Cadmium Powder, Mahendra Kumar Trivedi, Gopal Nayak, Shrikant Patil, Rama Mohan Tallapragada, Omprakash Latiyal, Snehasis Jana
Mahendra Kumar Trivedi
Experimental Evaluation Of Tensile Strength And Young’S Modulus Of Woven Jute Fiber And Polyurethane Composite, Shrikant Shinde, A. V. Salve
Experimental Evaluation Of Tensile Strength And Young’S Modulus Of Woven Jute Fiber And Polyurethane Composite, Shrikant Shinde, A. V. Salve
Innovative Research Publications IRP India
Natural fiber reinforced composites (NFRCs) are increasingly used in a variety of commercial applications, but there has been little theoretical, micromechanical modeling of structure/property relationships in these materials. These can’t be met by conventional metal alloys. The scope of possible uses of natural fibers is enormous.Plenty of research work is done on natural fiber composites. But, woven jute fiber and bio based polyurethane resin matrix is not used extensively for research studies. Mostly mathematical model is used to investigate and predict the properties and fiber loads effect on mechanical properties. The combination of jute fiber with PU produced the material …
Metallurgical Chemistry, Fathi Habashi
Metallurgical Chemistry, Fathi Habashi
Fathi Habashi
Metallurgical chemistry is the most ancient science of chemistry. It is related to the recovery of metals from ores and their refining. In its modern form, it involves separation of finely ground minerals by flotation, melting of ores, aqueous processing of ores, and the application of electric current to separate and purify metals from aqueous solution or from a fused salt. Metallurgical chemistry is closely related to the chemical industry.
Hydrometallurgy Of Phosphate Rock And The Recovery Of Uranium, Fathi Habashi
Hydrometallurgy Of Phosphate Rock And The Recovery Of Uranium, Fathi Habashi
Fathi Habashi
Phosphate rock of sedimentary origin contains on the average 0.01 % uranium. Since large tonnage of this rock is used annually to produce fertilizers, this represented an important potential source of uranium. Before the discovery of rich uranium deposits this source was developed on industrial scale. The production of phosphoric acid by sulfuric acid process is at present facing the problem of disposal of gypsum; about 1.5 tons of gypsum is produced per ton of rock processed. This material contains all the radium originally present in the rock which results from the radioactive decay of uranium. As a result, phospho-gypsum …
Characterization Of Physical And Structural Properties Of Brass Powder After Biofield Treatment, Mahendra Kumar Trivedi, Gopal Nayak, Rama Mohan Tallapragada, Omprakash Latiyal, Snehasis Jana
Characterization Of Physical And Structural Properties Of Brass Powder After Biofield Treatment, Mahendra Kumar Trivedi, Gopal Nayak, Rama Mohan Tallapragada, Omprakash Latiyal, Snehasis Jana
Mahendra Kumar Trivedi
The Potential Impact Of Biofield Treatment On Physical, Structural And Mechanical Properties Of Stainless Steel Powder, Mahendra Kumar Trivedi, Gopal Nayak, Shrikant Patil, Rama Mohan Tallapragada, Omprakash Latiyal, Snehasis Jana
The Potential Impact Of Biofield Treatment On Physical, Structural And Mechanical Properties Of Stainless Steel Powder, Mahendra Kumar Trivedi, Gopal Nayak, Shrikant Patil, Rama Mohan Tallapragada, Omprakash Latiyal, Snehasis Jana
Mahendra Kumar Trivedi
Influence Of Biofield Treatment On Physical, Structural And Spectral Properties Of Boron Nitride, Mahendra Kumar Trivedi, Shrikant Patil, Gopal Nayak, Snehasis Jana, Omprakash Latiyal
Influence Of Biofield Treatment On Physical, Structural And Spectral Properties Of Boron Nitride, Mahendra Kumar Trivedi, Shrikant Patil, Gopal Nayak, Snehasis Jana, Omprakash Latiyal
Mahendra Kumar Trivedi
Room Temperature Ferromagnetism In Iron Doped Zinc Oxide Nanoparticles, Lydia Johnson
Room Temperature Ferromagnetism In Iron Doped Zinc Oxide Nanoparticles, Lydia Johnson
Lydia Johnson
The purpose of this work was to investigate the impact of crystallite size, surface properties, and transition metal dopants on the magnetic behavior of zinc oxide nanoparticles. To accomplish this, three experimental factors were independently controlled: undoped zinc oxide particle size, reaction solvent, and transition metal dopant concentration. Powders of nanocrystalline Zn1-xFexO were chemically synthesized via two similar hydrolysis methods (solvent either diethylene glycol or ethanol), with dopant concentrations varying from x = 0 to x = 0.10 and the undoped (x = 0) samples synthesized in a range of sizes between 4 - 20 …
Impact Of Biofield Treatment On Physical, Structural And Spectral Properties Of Antimony Sulfide, Mahendra Kumar Trivedi, Gopal Nayak, Shrikant Patil, Rama Mohan Tallapragada, Omprakash Latiyal
Impact Of Biofield Treatment On Physical, Structural And Spectral Properties Of Antimony Sulfide, Mahendra Kumar Trivedi, Gopal Nayak, Shrikant Patil, Rama Mohan Tallapragada, Omprakash Latiyal
Mahendra Kumar Trivedi
Recent Developments In Magneto-Optic Garnet-Type Thin-Film Materials Synthesis, Mohammad Nur-E-Alam, Mikhail Vasiliev, Viacheslav Kotov, Kamal Alameh
Recent Developments In Magneto-Optic Garnet-Type Thin-Film Materials Synthesis, Mohammad Nur-E-Alam, Mikhail Vasiliev, Viacheslav Kotov, Kamal Alameh
Mikhail Vasiliev
Magneto-optic (MO) garnets are used in a range of applications in nanophotonics, integrated optics, communications and imaging. Bi-substituted iron garnets of different compositions are the most useful class of materials in applied magnetooptics due to their excellent MO properties (large Faraday effect) and record-high MO figure of merit among all semitransparent dielectrics. It is highly desirable to synthesise garnets which possess simultaneously a high MO figure of merit and large uniaxial magnetic anisotropy. However, the simultaneous optimization of several material properties and parameters can be difficult in single-layer garnet thin films, and it is also challenging to prepare films with …
Effect Of Biofield Treatment On Spectral Properties Of Paracetamol And Piroxicam, Mahendra Kumar Trivedi, Shrikant Patil, Harish Shettigar, Khemraj Bairwa, Snehasis Jana