Electrochemical performance of supercapacitor with glass wool separator under...journalBEEI
The paper presents the electrochemical performance of supercapacitor with glass wool separator under organic electrolyte of tetraethylammonium tetrafluoroborate (TEABF4). The performance was evaluated using symmetrical two-electrode system and compared to an identical supercapacitor with commercially available cellulose paper separator under 1 M TEABF4. The application of glass wool separator reduces the bulk resistance of supercapacitor by 19.6%, promotes more efficient ions transfer across active surface of electrode and significantly improves specific capacitance by 19.1% compared to cellulose paper. The application of higher concentration TEABF4 (1.5 M) even improves the overall performance of glass wool-based supercapacitor by 32.2% reduction of bulk resistance and 61.9% increment in specific capacitance compared to 1 M TEABF4. In addition, the energy and power densities are significantly improved by 64% and 165%, respectively for the one with 1.5 M TEABF4. In general, the low-cost material glass wool material has great potential to replace commercially available cellulose paper as separator in developing much better supercapacitor.
Gamry has the right instrument for your application.
With the ever-increasing demand for portable power, batteries are becoming more and more important. As demands on battery performance increase, so do demands on the systems designed to test them. Gamry accepts the challenge and is equipped today to test the power systems of tomorrow.
Within the last few years, there has been notable progress in understanding the growth mechanisms of semiconductor thin films for photovoltaic (PV) applications. Electrodeposition continues to be a complex deposition technique that can lead to regions of low quality (for example, cracks) in films. Such cracks can form porous zones on the substrate and diminish the heterojunction interface quality of a PV cell. In this paper, electrodeposition of In2S3 films was systematically and quantitatively investigated by varying electrodeposition parameters including bath composition, current density, deposition time, and deposition temperature. Their effects upon the morphology, composition, and film growth mechanism were studied with the help of scanning electron microscopy (SEM), energy dispersive X-ray spectroscopy (EDS), and digital imaging analysis (using fracture and buckling analysis software). In addition, the effect of different annealing treatments (200 oC, 300 oC, and 400 oC in air) and coated glass-substrates (Mo, ITO, and FTO) upon the properties of the In2S3 films was analyzed. Furthermore, the Taguchi/Design of Experiments (DOE) Method was used to determine the optimal electrodeposition parameters in order to improve the properties.
Electrochemical performance of supercapacitor with glass wool separator under...journalBEEI
The paper presents the electrochemical performance of supercapacitor with glass wool separator under organic electrolyte of tetraethylammonium tetrafluoroborate (TEABF4). The performance was evaluated using symmetrical two-electrode system and compared to an identical supercapacitor with commercially available cellulose paper separator under 1 M TEABF4. The application of glass wool separator reduces the bulk resistance of supercapacitor by 19.6%, promotes more efficient ions transfer across active surface of electrode and significantly improves specific capacitance by 19.1% compared to cellulose paper. The application of higher concentration TEABF4 (1.5 M) even improves the overall performance of glass wool-based supercapacitor by 32.2% reduction of bulk resistance and 61.9% increment in specific capacitance compared to 1 M TEABF4. In addition, the energy and power densities are significantly improved by 64% and 165%, respectively for the one with 1.5 M TEABF4. In general, the low-cost material glass wool material has great potential to replace commercially available cellulose paper as separator in developing much better supercapacitor.
Gamry has the right instrument for your application.
With the ever-increasing demand for portable power, batteries are becoming more and more important. As demands on battery performance increase, so do demands on the systems designed to test them. Gamry accepts the challenge and is equipped today to test the power systems of tomorrow.
Within the last few years, there has been notable progress in understanding the growth mechanisms of semiconductor thin films for photovoltaic (PV) applications. Electrodeposition continues to be a complex deposition technique that can lead to regions of low quality (for example, cracks) in films. Such cracks can form porous zones on the substrate and diminish the heterojunction interface quality of a PV cell. In this paper, electrodeposition of In2S3 films was systematically and quantitatively investigated by varying electrodeposition parameters including bath composition, current density, deposition time, and deposition temperature. Their effects upon the morphology, composition, and film growth mechanism were studied with the help of scanning electron microscopy (SEM), energy dispersive X-ray spectroscopy (EDS), and digital imaging analysis (using fracture and buckling analysis software). In addition, the effect of different annealing treatments (200 oC, 300 oC, and 400 oC in air) and coated glass-substrates (Mo, ITO, and FTO) upon the properties of the In2S3 films was analyzed. Furthermore, the Taguchi/Design of Experiments (DOE) Method was used to determine the optimal electrodeposition parameters in order to improve the properties.
Electrical impedance spectroscopy - Theory and ApplicationsMarco Grossi
Theory and Applications of Electrical Impedance Spectroscopy (EIS): a Review
The full lenght article for the review of Electrical Impedance Spectroscopy (EIS) and its applications
Grossi M., Riccò B. (2017), “Electrical Impedance Spectroscopy (EIS) for biological analysis and food characterization: a review”, Journal of Sensors and Sensor Systems, vol. 6, pp. 303-325.
can be downloaded for free at
https://www.j-sens-sens-syst.net/6/303/2017/
INVESTIGATION ON ACID LEACHING OF E-WASTE SCRAPS OBTAINED FROM MODEM BOXESIAEME Publication
Electronic waste is one of the hazardous waste concerns which pose threat to the both developed and developing countries in terms of environmental pollution. Generation of electronic waste is increasing year by year globally and it is important to treat the e-waste properly. Electronic waste contains materials such as Al, Ag, Cu including hazardous materials such as lead in various electronic waste products. In this work integrated circuit chips, header pins and edge connectors from modem e-waste are selected for the investigation due to the availability of precious metals in them. Experiments were conducted on these selected components by acid leaching followed by elemental analysis by ICP-OES. The components for the acid leaching were removed from PCBs of computer modem boxes by de-soldering method. The acid leaching experiment on header pin was conducted using 200ml of HNO3 solution. The leaching experiment on IC chip was carried out using aqua regia solution containing 25ml of HNO3 and 120 ml of HCl. The precipitation was done using sodium metabisulfite (Na₂S₂O₅). The elements in output residue obtained from acid leaching were identified using ICP-OES. Concentration of silver was found to be highest with the value of 64.40 mg/l among all the other elements present. Similarly, in header pins residue the concentration of silver was found to be 14.18 mg/l and copper 7.68 mg/l. The silver present in the IC chip ash was found to be 13.99 mg/l and the concentration of copper was 7.77 mg/l.
Growth and Optimization of Aluminium-doped Zinc Oxide using Spray Pyrolysis T...Kevin V. Alex
Highly conducting and transparent Al-doped ZnO thin films were grown on glass substrate using 0.3M of zinc acetate dihydrate and aluminum acetylacetonate solution via spray pyrolysis technique. Methanol was used as the main solvent and Nitrogen as the carrier gas. This work consists of two set of studies. The structural properties of the grown films were characterized using XRD. The crystallite size was also calculated from the XRD data. The optical studies of the prepared samples were studied using UV-Vis spectrometer and their respective optical band-gaps were determined. The film thickness was measured using the stylus profiler while the resistivity measurements were done in the source measuring unit. The surface morphology of the film was studied using the SEM images of the samples.
Utilizing CaCO 3 , CaF 2 , SiO 2 , and TiO 2 particles to enhance color hom...IJECEIAES
The chromatic homogeneity and luminous efficiency are two crucial elements for determining a high-quality phosphor-converted LEDs (pc-LEDs). Thus, this paper provides essential information in choosing the particles to enhance lighting properties of high performance pc-LEDs. Scattering enhancement particles (SEP) such as CaCO 3 , CaF 2 , SiO 2 , and TiO 2 , are combined with yellow phosphor Y 3 Al 5 O 12 :Ce 3+ and applied to the lighting devices. Initially, optical simulations are carried out with the support of LightTools program. Next, the Mie-theory is applied to calculate and confirm the results. The calculation subjects are SEPs scattering properties within the band 455 -595 nm. The scattering results of TiO 2 suggest it is the optimal choice for pc-LEDs color quality in comparison to the other SEPs; however, it causes the luminous flux to decrease significantly along with the increase in its concentration. Besides, with the addition of SiO 2 grains, we can accomplish higher lumen output at all particle sizes. Meanwhile, the application of 30% CaCO 3 can decreas the CCT deviation by 620 K making CaCO 3 the potential particle to be selected for chromatic quality and light output enhancement of pc-LEDs.
Modeling of Dirac voltage for highly p-doped graphene field-effect transistor...journalBEEI
In this paper, the modeling approach of Dirac voltage extraction of highly p-doped graphene field-effect transistor (GFET) measured at atmospheric pressure is presented. The difference of measurement results between atmospheric and vacuum pressures was analyzed. This work was started with actual wafer-scale fabrication of GFET with the purposes of getting functional device and good contact of metal/graphene interface. The output and transfer characteristic curves were measured accordingly to support on GFET functionality and suitability of presented wafer fabrication flow. The Dirac voltage was derived based on the measured output characteristic curve using ambipolar virtual source model parameter extraction methodology. The circuit-level simulation using frequency doubler circuit shows the importance of accurate Dirac voltage value to the device practicality towards design integration.
Elements in Scalp Hair & Nails Indicating Metal Body Burden in Polluted Envir...v2zq
Elements in Scalp Hair & Nails Indicating Metal Body Burden in Polluted Environment - Resources for Healthy Children www.scribd.com/doc/254613619 - For more information, Please see Organic Edible Schoolyards & Gardening with Children www.scribd.com/doc/254613963 - Gardening with Volcanic Rock Dust www.scribd.com/doc/254613846 - Double Food Production from your School Garden with Organic Tech www.scribd.com/doc/254613765 - Free School Gardening Art Posters www.scribd.com/doc/254613694 - Increase Food Production with Companion Planting in your School Garden www.scribd.com/doc/254609890 - Healthy Foods Dramatically Improves Student Academic Success www.scribd.com/doc/254613619 - City Chickens for your Organic School Garden www.scribd.com/doc/254613553 - Huerto Ecológico, Tecnologías Sostenibles, Agricultura Organica www.scribd.com/doc/254613494 - Simple Square Foot Gardening for Schools - Teacher Guide www.scribd.com/doc/254613410 - Free Organic Gardening Publications www.scribd.com/doc/254609890 ~
On the low temperature resistivity measurement of CdSe thin filmijtsrd
Most group II-VI compounds are direct band gap semiconductors with high optical absorption and emission coefficients .Cadmium Selenide is a leading candidate with high potential towards many applications. The authors present their investigations dealing with preparation and some electrical characterization of the CdSe thin films. The films were deposited onto a well-cleaned glass substrates using thermal evaporation technique. The dependence of electrical resistivity of CdSe thin film in low temperature range has been studied. R.K.Shah | H.O.Parmar | H.S.Patel"On the low temperature resistivity measurement of CdSe thin film" Published in International Journal of Trend in Scientific Research and Development (ijtsrd), ISSN: 2456-6470, Volume-1 | Issue-2 , February 2017, URL: http://www.ijtsrd.com/papers/ijtsrd65.pdf http://www.ijtsrd.com/other-scientific-research-area/physics/65/on--the-low-temperature-resistivity-measurement-of-cdse-thin-film/rkshah
The IOSR Journal of Pharmacy (IOSRPHR) is an open access online & offline peer reviewed international journal, which publishes innovative research papers, reviews, mini-reviews, short communications and notes dealing with Pharmaceutical Sciences( Pharmaceutical Technology, Pharmaceutics, Biopharmaceutics, Pharmacokinetics, Pharmaceutical/Medicinal Chemistry, Computational Chemistry and Molecular Drug Design, Pharmacognosy & Phytochemistry, Pharmacology, Pharmaceutical Analysis, Pharmacy Practice, Clinical and Hospital Pharmacy, Cell Biology, Genomics and Proteomics, Pharmacogenomics, Bioinformatics and Biotechnology of Pharmaceutical Interest........more details on Aim & Scope).
All manuscripts are subject to rapid peer review. Those of high quality (not previously published and not under consideration for publication in another journal) will be published without delay.
Conference presentation: M. PEDERSEN ZARI. ‘Closed Loop Materials Cycles: Architectural Education to Affect Change’, presentation at the Building Materials Reuse Association (BMRA) Conference on Deconstruction, Building Materials Reuse, and C&D Recycling, Madison, Wisconsin, USA, May 2007.
Electrical impedance spectroscopy - Theory and ApplicationsMarco Grossi
Theory and Applications of Electrical Impedance Spectroscopy (EIS): a Review
The full lenght article for the review of Electrical Impedance Spectroscopy (EIS) and its applications
Grossi M., Riccò B. (2017), “Electrical Impedance Spectroscopy (EIS) for biological analysis and food characterization: a review”, Journal of Sensors and Sensor Systems, vol. 6, pp. 303-325.
can be downloaded for free at
https://www.j-sens-sens-syst.net/6/303/2017/
INVESTIGATION ON ACID LEACHING OF E-WASTE SCRAPS OBTAINED FROM MODEM BOXESIAEME Publication
Electronic waste is one of the hazardous waste concerns which pose threat to the both developed and developing countries in terms of environmental pollution. Generation of electronic waste is increasing year by year globally and it is important to treat the e-waste properly. Electronic waste contains materials such as Al, Ag, Cu including hazardous materials such as lead in various electronic waste products. In this work integrated circuit chips, header pins and edge connectors from modem e-waste are selected for the investigation due to the availability of precious metals in them. Experiments were conducted on these selected components by acid leaching followed by elemental analysis by ICP-OES. The components for the acid leaching were removed from PCBs of computer modem boxes by de-soldering method. The acid leaching experiment on header pin was conducted using 200ml of HNO3 solution. The leaching experiment on IC chip was carried out using aqua regia solution containing 25ml of HNO3 and 120 ml of HCl. The precipitation was done using sodium metabisulfite (Na₂S₂O₅). The elements in output residue obtained from acid leaching were identified using ICP-OES. Concentration of silver was found to be highest with the value of 64.40 mg/l among all the other elements present. Similarly, in header pins residue the concentration of silver was found to be 14.18 mg/l and copper 7.68 mg/l. The silver present in the IC chip ash was found to be 13.99 mg/l and the concentration of copper was 7.77 mg/l.
Growth and Optimization of Aluminium-doped Zinc Oxide using Spray Pyrolysis T...Kevin V. Alex
Highly conducting and transparent Al-doped ZnO thin films were grown on glass substrate using 0.3M of zinc acetate dihydrate and aluminum acetylacetonate solution via spray pyrolysis technique. Methanol was used as the main solvent and Nitrogen as the carrier gas. This work consists of two set of studies. The structural properties of the grown films were characterized using XRD. The crystallite size was also calculated from the XRD data. The optical studies of the prepared samples were studied using UV-Vis spectrometer and their respective optical band-gaps were determined. The film thickness was measured using the stylus profiler while the resistivity measurements were done in the source measuring unit. The surface morphology of the film was studied using the SEM images of the samples.
Utilizing CaCO 3 , CaF 2 , SiO 2 , and TiO 2 particles to enhance color hom...IJECEIAES
The chromatic homogeneity and luminous efficiency are two crucial elements for determining a high-quality phosphor-converted LEDs (pc-LEDs). Thus, this paper provides essential information in choosing the particles to enhance lighting properties of high performance pc-LEDs. Scattering enhancement particles (SEP) such as CaCO 3 , CaF 2 , SiO 2 , and TiO 2 , are combined with yellow phosphor Y 3 Al 5 O 12 :Ce 3+ and applied to the lighting devices. Initially, optical simulations are carried out with the support of LightTools program. Next, the Mie-theory is applied to calculate and confirm the results. The calculation subjects are SEPs scattering properties within the band 455 -595 nm. The scattering results of TiO 2 suggest it is the optimal choice for pc-LEDs color quality in comparison to the other SEPs; however, it causes the luminous flux to decrease significantly along with the increase in its concentration. Besides, with the addition of SiO 2 grains, we can accomplish higher lumen output at all particle sizes. Meanwhile, the application of 30% CaCO 3 can decreas the CCT deviation by 620 K making CaCO 3 the potential particle to be selected for chromatic quality and light output enhancement of pc-LEDs.
Modeling of Dirac voltage for highly p-doped graphene field-effect transistor...journalBEEI
In this paper, the modeling approach of Dirac voltage extraction of highly p-doped graphene field-effect transistor (GFET) measured at atmospheric pressure is presented. The difference of measurement results between atmospheric and vacuum pressures was analyzed. This work was started with actual wafer-scale fabrication of GFET with the purposes of getting functional device and good contact of metal/graphene interface. The output and transfer characteristic curves were measured accordingly to support on GFET functionality and suitability of presented wafer fabrication flow. The Dirac voltage was derived based on the measured output characteristic curve using ambipolar virtual source model parameter extraction methodology. The circuit-level simulation using frequency doubler circuit shows the importance of accurate Dirac voltage value to the device practicality towards design integration.
Elements in Scalp Hair & Nails Indicating Metal Body Burden in Polluted Envir...v2zq
Elements in Scalp Hair & Nails Indicating Metal Body Burden in Polluted Environment - Resources for Healthy Children www.scribd.com/doc/254613619 - For more information, Please see Organic Edible Schoolyards & Gardening with Children www.scribd.com/doc/254613963 - Gardening with Volcanic Rock Dust www.scribd.com/doc/254613846 - Double Food Production from your School Garden with Organic Tech www.scribd.com/doc/254613765 - Free School Gardening Art Posters www.scribd.com/doc/254613694 - Increase Food Production with Companion Planting in your School Garden www.scribd.com/doc/254609890 - Healthy Foods Dramatically Improves Student Academic Success www.scribd.com/doc/254613619 - City Chickens for your Organic School Garden www.scribd.com/doc/254613553 - Huerto Ecológico, Tecnologías Sostenibles, Agricultura Organica www.scribd.com/doc/254613494 - Simple Square Foot Gardening for Schools - Teacher Guide www.scribd.com/doc/254613410 - Free Organic Gardening Publications www.scribd.com/doc/254609890 ~
On the low temperature resistivity measurement of CdSe thin filmijtsrd
Most group II-VI compounds are direct band gap semiconductors with high optical absorption and emission coefficients .Cadmium Selenide is a leading candidate with high potential towards many applications. The authors present their investigations dealing with preparation and some electrical characterization of the CdSe thin films. The films were deposited onto a well-cleaned glass substrates using thermal evaporation technique. The dependence of electrical resistivity of CdSe thin film in low temperature range has been studied. R.K.Shah | H.O.Parmar | H.S.Patel"On the low temperature resistivity measurement of CdSe thin film" Published in International Journal of Trend in Scientific Research and Development (ijtsrd), ISSN: 2456-6470, Volume-1 | Issue-2 , February 2017, URL: http://www.ijtsrd.com/papers/ijtsrd65.pdf http://www.ijtsrd.com/other-scientific-research-area/physics/65/on--the-low-temperature-resistivity-measurement-of-cdse-thin-film/rkshah
The IOSR Journal of Pharmacy (IOSRPHR) is an open access online & offline peer reviewed international journal, which publishes innovative research papers, reviews, mini-reviews, short communications and notes dealing with Pharmaceutical Sciences( Pharmaceutical Technology, Pharmaceutics, Biopharmaceutics, Pharmacokinetics, Pharmaceutical/Medicinal Chemistry, Computational Chemistry and Molecular Drug Design, Pharmacognosy & Phytochemistry, Pharmacology, Pharmaceutical Analysis, Pharmacy Practice, Clinical and Hospital Pharmacy, Cell Biology, Genomics and Proteomics, Pharmacogenomics, Bioinformatics and Biotechnology of Pharmaceutical Interest........more details on Aim & Scope).
All manuscripts are subject to rapid peer review. Those of high quality (not previously published and not under consideration for publication in another journal) will be published without delay.
Conference presentation: M. PEDERSEN ZARI. ‘Closed Loop Materials Cycles: Architectural Education to Affect Change’, presentation at the Building Materials Reuse Association (BMRA) Conference on Deconstruction, Building Materials Reuse, and C&D Recycling, Madison, Wisconsin, USA, May 2007.
Conference Presentation: 2007, Pedersen Zari, M and Storey, J. ‘An Ecosystem Based Biomimetic Theory for a Regenerative Built Environment’, Sustainable Building (SB07) Regional Sustainable Building Conference, Lisbon, Portugal, September 2007.
Biomimicry, where flora, fauna or entire ecosystems are emulated as a basis for design, has attracted considerable interest in the fields of architectural design and engineering as an innovative new design approach and importantly as a potential way to shift the built environment to a more sustainable paradigm. The practical application of biomimicry as a design methodology, particularly in the built environment, remains elusive however. This paper seeks to contextualise the various approaches to biomimicry and provides an inte-grated set of principles that could form the basis for an ecosystem based design theory. This would enable practitioners to reach beyond sustainability to a regenerative design practice where the built environment becomes a vital component in the integration with and regeneration of natural ecosystems as the wider human habitat.
An architectural love of the living: Bio-inspired design in the pursuit of ec...Dr Maibritt Pedersen Zari
Conference presentation: 2009, Pedersen Zari, M. 'An architectural love of the living: Bio-inspired design in the pursuit of ecological regeneration and psychological wellbeing'. In Brebbia, C. (Ed), Sustainable Development IV, WIT Press.
A growing amount of architectural discourse explores analogies between ecosystems and living organisms, and architectural design that increases the capacity for regeneration. This is referred to here as bio-inspired design. This paper examines the relationship between biophilic and biomimetic approaches to architectural design as two aspects of bio-inspired design.
The theory that bio-inspired design is inherently linked in the creation of regenerative architecture, able to increase capacity for self repair in both living ecosystems and the human psyche is examined. Intersections, or mutualisms between design to improve the wellbeing of ecosystems and design to improve human wellbeing, such as biomimicry and biophilia, are analysed and may illustrate the key aspects of bio-inspired design that could contribute to regenerative design. The implications of such an approach are discussed, and the scientific basis of such a process is investigated.
‘Biomimetic Approaches to Architectural Design for Increased Sustainability’,...Dr Maibritt Pedersen Zari
Biomimicry, where flora, fauna or entire ecosystems are emulated as a basis for design, is a growing area of research in the fields of architecture and engineering. This is due to both the fact that it is an inspirational source of possible new innovation and because of the potential it offers as a way to create a more sustainable and even regenerative built environment. The widespread and practical application of biomimicry as a design method remains however largely unrealised. A growing body of international research identifies various obstacles to the employment of biomimicry as an architectural design method. One barrier of particular note is the lack of a clear definition of the various approaches to biomimicry that designers can initially employ.
Through a comparative literature review, and an examination of existing biomimetic technologies, this paper elaborates on distinct approaches to biomimetic design that have evolved. A framework for understanding the various forms of biomimicry has been developed, and is used to discuss the distinct advantages and disadvantages inherent in each as a design methodology. It is shown that these varied approaches may lead to different outcomes in terms of overall sustainability or regenerative potential.
It is posited that a biomimetic approach to architectural design that incorporates an understanding of ecosystems could become a vehicle for creating a built environment that goes beyond simply sustaining current conditions to a restorative practice where the built environment becomes a vital component in the integration with and regeneration of natural ecosystems.
MEMS Chip for capturing single cells and recording ion channel currentsIowa State University
Santosh Pandey, Zannatul Ferdous, Marvin H. White, "Planar MEMS biochip
for recording ion-channel currents in biological cells," Proc. SPIE 5062,
Smart Materials, Structures, and Systems, (14 October 2003);
doi:
10.1117/12.514745
Ultra low dielectric constant (k 1⁄4 1.53) materials with self-cleansing properties were synthesized via incorporation of fluorodecyl-polyhedral oligomeric silsesquioxane (FD-POSS) into recently synthesized perfluorocyclopentenyl (PFCP) aryl ether polymers. Incorporation of fluorine rich, high free volume, and low surface energy POSS into a semifluorinated PFCP polymer matrix at various weight percentages resulted in a dramatic drop in dielectric constant, as well as a significant increase in hydrophobicity and oleophobicity of the system. These ultra-low dielectric self-cleansing materials (qtilt 1⁄4 38) were fabricated into electrospun mats from a solvent blend of fluorinated FD-POSS with PFCP polymers.
Synthesis of (Poly-methyl Methacrylate-lead Oxide) Nanocomposites and Studyin...journalBEEI
Piezoelectric materials have been prepared from (poly-methyl methacrylate-lead oxide) nanocomposites for electronic applications. The lead oxide nanoparticles were added to poly-methyl methacrylate by different concentrations are (4, 8, and 12) wt%. The structural and dielectric properties of nanocomposites were studied. The results showed that the dielectric constant and dielectric loss of nanocomposites decrease with increase in frequency of applied electric field. The A.C electrical conductivity increases with increase in frequency. The dielectric constant, dielectric loss and A.C electrical conductivity of poly-methyl methacrylate increase with increase in lead oxide nanoparticles concentrations. The results of pressure sensor showed that the electrical resistance of (PMMA-PbO2) nanocomposites decreases with increase in pressure.
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