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Journal articles on the topic 'Surface area analyser'

Author: Grafiati

Published: 2 June 2025

Last updated: 31 July 2025

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1

Chin, Sze Mei, Suriati Sufian, and Jeefferie Abd Razak. "Synthesis and Characterization of Hematite Nanoparticles as Active Photocatalyst for Water Splitting Application." Key Engineering Materials 594-595 (December 2013): 73–77. http://dx.doi.org/10.4028/www.scientific.net/kem.594-595.73.

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This paper highlights on the hydrogen production through photocatalytic activity by using hematite nanoparticles synthesized from self-combustion method based on different stirring period. The morphologies and microstructures of the nanostructures were determined using Field-Emission Scanning Electron Microscope (FESEM), X-Ray Diffractometer (XRD) and Particle Size Analyser (PSA). Besides that, surface area analyser was used to determine the BET surface area of the hematite samples. The hematite nanocatalyst as-synthesized are proven to be rhombohedral crystalline hematite (α-Fe2O3) with parti

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Bibby, Matthew, and Christopher King. "Development of an On-Machine 3D Texture Analyser." Advanced Materials Research 579 (October 2012): 338–47. http://dx.doi.org/10.4028/www.scientific.net/amr.579.338.

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Texture metrology of large optical components causes many practical problems, from handling heavy units in the laboratory, to applying existing bench top devices, unable to access most of the part area. Application of an on-machine device allows these practical issues to be overcome and provides an opportunity for an automated metrology process. We describe our work on a texture interferometer that is mounted onto a Zeeko optical polishing machine for in-process surface texture measurements on large optics.

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Hemeda, Sayed. "STRUCTURAL CHALLENGES IN ADVANCED ANALYTICAL TECHNIQUES FOR CHARACTERISING MODERN BUILT HERITAGE IN EGYPT." NED University Journal of Research XXII, no. 1-2 (2025): 83–119. https://doi.org/10.35453/nedjr-ascn-2024-0041.r1.

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This paper presents a comprehensive structural evaluation of Sakakini Palace in Cairo. The investigation covers the physical properties and origins of the building materials, the geological context, damage assessment, petrographic analysis and the physical and mechanical characterisation of the stones and structural mortar. Advanced laboratory and in situ testing techniques, including three dimensional laser scanning microscopy, non-destructive X-ray fluorescence and porous media characterisation using a surface area analyser (which employs liquid nitrogen to measure surface area, micro-porosi

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Honkanen, Ari-Pekka, Roberto Verbeni, Laura Simonelli, Marco Moretti Sala, Giulio Monaco, and Simo Huotari. "Study on the reflectivity properties of spherically bent analyser crystals." Journal of Synchrotron Radiation 21, no. 1 (2013): 104–10. http://dx.doi.org/10.1107/s160057751302242x.

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Theoretical and experimental studies are presented on properties of spherically bent analyser crystals for high-resolution X-ray spectrometry. A correction to the bent-crystal strain field owing to its finite surface area is derived. The results are used to explain the reflectivity curves and anisotropic properties of Si(660) and Si(553) analysers in near-backscattering geometry. The results from the calculation agree very well with experimental results obtained using an inelastic X-ray scattering synchrotron beamline.

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Azmi, Nur Alia Sahira, Kam Sheng Lau, Siew Xian Chin, Sarani Zakaria, Shahariar Chowdhury Shahariar Chowdhury, and Chin Hua Chia. "Study on Effect of Toluene-Acid Treatments of Recycled Carbon Black from Waste Tyres: Physico-Chemical Analyses and Adsorption Performance." Sains Malaysiana 52, no. 9 (2023): 2689–97. http://dx.doi.org/10.17576/jsm-2023-5209-17.

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Recycled carbon black (rCB) produced by pyrolysis has a low value because it contains high levels of impurities, such as sulfur, nitrogen, and oxygen. Various treatments have been proposed using chemicals to purify and improve the properties of rCB. In this study, rCB was treated with toluene (rCB-T), followed by subsequent treatment using acids HCl (rCB-T-HCl), HNO3 (rCB-T-HNO3), and HCl-HNO3 (rCB-T-HCl-HNO3). The treated rCB samples were characterized using CHNS analyser, scanning electron microscope, BET analyser, zeta potential, Fourier transform infrared spectroscopy, and Raman spectrosco

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Delgado Saborit, J. M., and V. J. Esteve Cano. "Field comparison of passive samplers versus UV-photometric analyser to measure surface ozone in a Mediterranean area." Journal of Environmental Monitoring 9, no. 6 (2007): 610. http://dx.doi.org/10.1039/b618075b.

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Oshita, K., Y. Ishihara, M. Takaoka, et al. "Behaviour and adsorptive removal of siloxanes in sewage sludge biogas." Water Science and Technology 61, no. 8 (2010): 2003–12. http://dx.doi.org/10.2166/wst.2010.101.

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We investigated the behaviour of siloxanes, which adversely affect biogas engines, as well as their concentration levels in sewage sludge biogas in Japan. We also performed experiments on the absorptive removal of siloxanes using various adsorbents and determined the main adsorbent characteristics required for the removal of siloxanes. The results of our study on the concentration and composition of siloxanes in biogas were similar to previous reports. Moreover, we found that the concentration of siloxanes changes in relation to the outside air temperature based on real-time measurements of si

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S, Manjunatha, and Dr B. V. Kiran Kumar. "Performance Based Testing on Bituminous Mixes using Roller Compactor cum Rut Analyser (RCRA)." International Journal for Research in Applied Science and Engineering Technology 10, no. 4 (2022): 1631–35. http://dx.doi.org/10.22214/ijraset.2022.41622.

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Abstract: In India majority of roads are being constructed by flexible pavements. But the performance of the pavement largely depends on quality of materials used, Equipment’s used, construction methodology adopted, temperature and climatic conditions at the area etc. Because of these variations in the mentioned parameters, pavements undergo distress/ failure. The different types of failure in flexible pavement are Rutting, Shovelling, Edge breaks, Cracks, Slippage etc. Rutting is a common phenomenon which occurs in flexible pavement surface due to overloading of vehicles and repeated applicat

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Trivedi, Mahendra Kumar, Alice Branton, Dahryn Trivedi, Gopal Nayak, Ragini Singh, and Snehasis Jana. "Physicochemical Characterization of Biofield Energy Treated Hi VegTM Acid Hydrolysate." International Journal of Nutrition and Food Science 5, no. 1 (2015): 001–8. https://doi.org/10.11648/j.ijnfs.20160501.11.

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The hydrolysed vegetable proteins are acidic or enzymatic hydrolytic product of proteins derived from various sources such as milk, meat or vegetables. The current study was designed to evaluate the impact of biofield energy treatment on the various physicochemical and spectra properties of Hi VegTM acid hydrolysate i.e. a hydrolysed vegetable protein. The Hi VegTM acid hydrolysate sample was divided into two parts that served as control and treated sample. The treated sample was subjected to the biofield energy treatment and its properties were analysed using particle size analyser, X-ray dif

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Trivedi, Mahendra Kumar, Alice Branton, Dahryn Trivedi, Gopal Nayak, Ragini Singh, and Snehasis Jana. "Physicochemical Characterization of Biofield Energy Treated Hi VegTM Acid Hydrolysate." International Journal of Nutrition and Food Science 5, no. 1 (2015): 001–8. https://doi.org/10.5281/zenodo.192646.

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The hydrolysed vegetable proteins are acidic or enzymatic hydrolytic product of proteins derived from various sources such as milk, meat or vegetables. The current study was designed to evaluate the impact of biofield energy treatment on the various physicochemical and spectra properties of Hi VegTM acid hydrolysate i.e. a hydrolysed vegetable protein. The Hi VegTM acid hydrolysate sample was divided into two parts that served as control and treated sample. The treated sample was subjected to the biofield energy treatment and its properties were analysed using particle size analyser, X-ray dif

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11

Muhd Norhasri, M. S., M. S. Hamidah, A. G. Abd Halim, and A. Mohd Fadzil. "Sol Gel Characterization of Nano Kaolin." Advanced Materials Research 856 (December 2013): 285–89. http://dx.doi.org/10.4028/www.scientific.net/amr.856.285.

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Nano kaolin is product from kaolin also known as white clay. Kaolin was established as supplementary cementitious materials in concrete. The inclusion of kaolin in concrete enhances strength and durability properties and prolongs concrete life span. In this research, nanokaolin will be develop by using sol gel technique by that involves high energy milling. The process of milling been influenced by time of milling, ball and jar type. Ceramic type Zirconia (Zi) is been used as jar and ball type in this process. Time of milling was set from four (4) hours and one (1) days. Sample will be analyse

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Hauli, Latifah, Chika Lutfi Adiningrum, Muhammad Safaat, et al. "Hydrogen storage performance of activated natural zeolite and its modification with activated charcoal." Chemistry Journal of Moldova 20, no. 1 (2025): 79–85. https://doi.org/10.19261/cjm.2025.1279.

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The modification of zeolite with activated charcoal for hydrogen adsorption was investigated. The aims of this research were to activate natural zeolite (Z), modify Z with commercial activated charcoal (AC/Z), and study the properties of these materials for hydrogen storage. The Z was prepared by the desilication method. The obtained Z was modified by activated charcoal using the wet impregnation method. The obtained materials were characterised by surface area analyser, X-ray diffraction, fourier transform infrared spectroscopy, and scanning electron microscopy with energy dispersive spectrom

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MADEJ, Monika, Joanna KOWALCZYK, Andrzej KULCZYCKI, and Dariusz OZIMINA. "THE USE OF BIODEGRADABLE CUTTING FLUID FOR THIN AND HARD a-C:H AND TiAlN COATINGS." Tribologia 276, no. 6 (2017): 45–52. http://dx.doi.org/10.5604/01.3001.0010.8058.

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This paper presents results of tribological tests performed under lubricated friction conditions using a T-01M analyser. The lubricant was biodegradable cutting fluid containing a special-purpose additive – zinc aspartate. The discs for the ball-on-disc configuration were made of HS6-5-2C steel. The study involved testing coated and uncoated steel specimens. The a-C:H and TiAlN coatings were produced using physical vapour deposition (PVD). The structure of the coatings was analysed before and after the tribological tests with a JSM-7100F scanning electron microscope. The coating hardness was m

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14

Mwakisunga, Benard, Harishchandra B. Pratap, John F. Machiwa, and Flora Stephano. "Heavy Metal Contamination and Potential Ecological Risks in Surface Sediments along Dar es Salaam Harbour Channel." Tanzania Journal of Science 47, no. 5 (2021): 1606–21. http://dx.doi.org/10.4314/tjs.v47i5.11.

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Investigation of heavy metal contamination along Dar es Salaam harbour channel was carried out in order to determine their current concentrations, sources and potential ecological risks to benthic biota. Sampling was carried out from January to May 2019 and samples analysed using ICP-OES and C-H-N-S analyser. Analysis of heavy metal relationships showed that, Cu, Zn, Cr, As, Ni, Co, Fe, Cd had strong relationships with each other, while Pb only related to Zn. Principal component analysis partitioned metals into two groups; PC1: Ni, Cr, Fe, Co, As, Cu, Cd, and Zn explaining 73.6% variance and P

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Singh, Arjun, Sanjeevan Aggrawal, and Darshan Lal. "Effect of Formaldehyde to Phenol Ratio in Phenolic Beads on Pore Structure, Adsorption and Mechanical Properties of Activated Carbon Spheres." Defence Science Journal 69, no. 1 (2019): 46–52. http://dx.doi.org/10.14429/dsj.69.12821.

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   Phenolic beads (PBs) prepared from different formaldehyde to phenol (F/P) molar ratios were used as polymeric precursor for activated carbon. Activated carbon spheres (ACSs) have been produced from PBs via the physical activation process using carbon dioxide (CO2) as activating agent at 950 °C for different burn-off. The prepared ACSs were investigated for nitrogen adsorption, surface morphology and compressive strength by means of BET surface area analyser, scanning electron microscopy (SEM) and carbon and sphere tester techniques. The results indicated that the effects o

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Tofa, Tajkia Syeed, Karthik Laxman Kunjali, Paul Swaraj, and Joydeep Dutta. "Visible light photocatalytic degradation of microplastic residues with zinc oxide nanorods." Environmental Chemistry Letters 17 (February 16, 2019): 1341–46. https://doi.org/10.1007/s10311-019-00859-z.

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Microplastics have recently become a major environmental issue due to their ubiquitous distribution, uncontrolled environ- mental occurrences, small sizes and long lifetimes. Actual remediation methods include filtration, incineration and advanced oxidation processes such as ozonation, but those methods require high energy or generate unwanted by-products. Here we tested the degradation of fragmented, low-density polyethylene (LDPE) microplastic residues, by visible light-induced het- erogeneous photocatalysis activated by zinc oxide nanorods. The reaction was monitored using Fourier-transform

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17

Kovács, Györgyi, and Nikolett Szőllősi. "Sight-specific development of the tools for the measurement of CO2-emission of the soil." Acta Agraria Debreceniensis, no. 30 (October 10, 2008): 53–58. http://dx.doi.org/10.34101/actaagrar/30/2991.

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Soil is the main source and at the same time the potential sink of greenhouse gases (e.g. CO2, CH4). Measurements were carried out in the experimental sites (soil tillage experiments and an extensive pasture) of the Karcag Research Institute of University of Debrecen, Centre for Agricultural Sciences to determine the CO2-emission of the soil. The in situ CO2-emission of soil was measured by means of an ANAGAS 98 infrared gas analyser in plastic (PVC) chambers, but this previously applied method (cylinders) was not suitable for the soil surface covered with grass,hence a new instrument was need

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18

Kunz, Martin, Jost V. Lavric, Rainer Gasche, et al. "Surface flux estimates derived from UAS-based mole fraction measurements by means of a nocturnal boundary layer budget approach." Atmospheric Measurement Techniques 13, no. 4 (2020): 1671–92. http://dx.doi.org/10.5194/amt-13-1671-2020.

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Abstract. The carbon exchange between ecosystems and the atmosphere has a large influence on the Earth system and specifically on the climate. This exchange is therefore being studied intensively, often using the eddy covariance (EC) technique. EC measurements provide reliable results under turbulent atmospheric conditions, but under calm and stable conditions – as they often occur at night – these measurements are known to misrepresent exchange fluxes. Nocturnal boundary layer (NBL) budgets can provide independent flux estimates under stable conditions, but their application so far has been l

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Kanbetov, A. Sh, D. K. Kulbatyrov, O. Sh Tulegenova, Y. G. Gilazhov, A. K. Shakhmanova, and А. A. Abilgaziyeva. "Ecological condition of marine waters in the area of dredging operations of the kashagan field, Kazakhstan." South of Russia: ecology, development 19, no. 1 (2024): 171–80. http://dx.doi.org/10.18470/1992-1098-2024-1-18.

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To determine the hydrophysical and hydrochemical parameters of sea water and their changes during dredging works in the north‐eastern part of the Caspian Sea along the Western Approach Route and near/inside block D, islands EPC‐2, EPC‐3, EPC‐4 and island A of the Kashagan field.Measurement of hydrophysical parameters: salinity, temperature, turbidity, dissolved oxygen concentration, electrical conductivity, pH of seawater was carried out using a portable multi‐parameter analyser "Horiba‐U53" directly in the water column. Water transparency was determined using a Secchi disc. The depth of the w

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Gaudenzi Asinelli, M., J. Aparicio Estrems, and J. Caballé Benavent. "IMPROVING MEASUREMENTS’ SPATIAL PRECISION BY MEANS OF 3D PRINTERS-BASED SYSTEMS. A CASE STUDY: COLORIMETRIC ASSESSMENT OF MODERNIST HYDRAULIC TILES." International Archives of the Photogrammetry, Remote Sensing and Spatial Information Sciences XLVI-M-1-2021 (August 28, 2021): 265–71. http://dx.doi.org/10.5194/isprs-archives-xlvi-m-1-2021-265-2021.

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Abstract. The ability to repeat analyses on the same very small area of a surface is crucial to obtain reliable comparative data. For example, in a painting the boundary between two different, small painted areas can be very blurred; if an analyst needs to track over the time a specific and tiny pigment spot (e.g., to assess the reliability of a conservation treatment), manual positioning of the analyser can lead to a mismatch that might undermine any data comparison. The use of automatic positioning systems can improve the ability to hit the right spot, so to collect reliable data. This work

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AMARASINGHA, Nalin Dhanushka, J. A. P. BODHIKA, Welathantri DHARMARATNA, and Lokupulukkuttige JAYATISSA. "AN INVESTIGATION OF THE NOISE ABSORPTION POTENTIAL OF A SIX SELECTED GRASS SPECIES." Journal of Applied Life Sciences and Environment 54, no. 4 (2022): 429–38. http://dx.doi.org/10.46909/journalalse-2021-037.

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Grass has a high leaf density and requires minimum space to grow. This experiment was designed to determine the sound absorption behaviour of six grass species (Zoysia matrella (L) Merr., Stenotaphrum dimidiatum(L.) Brongn, Panicum repens (L.), Eleusine indica (L.) Gaertn., Axonopus compressus (Sw) P. Beauv, and Ischaemum sp.) for their possible use as noise screens. The sound absorption of each morphological leaf structure was studied. For Sound Absorption Coefficients (SAC) (α) studies, the reverberation room method under ISO 345:2003 standards was followed. A B&K dodecahedron Omni-direc

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Chinchón-Payá, Servando, Julio E. Torres Martín, Nuria Rebolledo Ramos, and Javier Sánchez Montero. "Use of a Handheld X-ray Fluorescence Analyser to Quantify Chloride Ions In Situ: A Case Study of Structural Repair." Materials 14, no. 3 (2021): 571. http://dx.doi.org/10.3390/ma14030571.

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To ensure that a structure will last throughout its service life, repairing reinforced concrete entails, among others, correctly marking off the area affected by aggressive agents that may deteriorate both the concrete and the steel. Chloride, the most damaging source of reinforcement corrosion, may diffuse to a greater or lesser distance from the surface depending on the ease of penetration. In this study, we calibrated a handheld X-ray fluorescence analyser (hXRF) and used it to quantify the chloride concentration in cement-based materials. The findings were verified against a series of samp

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Ghosal, Debarpita, D. Kissan Achary, Sandil Nayak, and Bikash Kumar. "Application of Molybdenum ZSM-5 for Catalytic Oxidation of Wastewater Containing Methylene Blue." Current Organocatalysis 7, no. 3 (2020): 256–64. http://dx.doi.org/10.2174/2213337207999200729134550.

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Background:: A vital section of water pollution mostly comes from the dying industry, which contaminates the water bodies by discharging the effluents into them. Naturally, it is carcinogenic as it contains harmful chemicals and minerals. To prevent this , many researchers have studied the issue and came to an inference that Methylene blue should be removed from wastewater. Many researchers and scientists proposed that Zeolite with little modifications could be one of the feasible options for catalytic oxidation of dyes in wastewater. Our focus is mostly based on Molybdenum impregnated H-ZSM-5

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Иванов, Н. Н., and Ю. А. Шадрина. "Thermal application of aerogel in space engineering items and its capabilities in creating of new unique technologies and materials." Вестник НПО им. С.А. Лавочкина, no. 3(57) (September 9, 2022): 37–46. http://dx.doi.org/10.26162/ls.2022.57.3.006.

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В работе представлен перечень известных авторам областей применения аэрогеля в космической технике и приборостроении. Представлены новые экспериментальные данные отечественного аэрогеля SiO2 по дисперсности пор, удельной поверхности и удельному объёму. Эксперименты проводились на анализаторе NOVA1200e. Результаты показывают, что аэрогель, как и ЭВТИ, – материал с большими перспективами по использованию в космических аппаратах The article provides a list of aerogel implementations in space technology and instrumentation known to the authors. New experimental data of the domestic SiO2 aerogel on

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Joseph, Samuel Ominu, David Adeniyi Olalekan, Aderemi Olutoye Moses, Abubakar Garba Isah, and Alhassan Adeku Sallau. "Characterization of Kaolin Deposits in Kutigi, Niger State, Northern Nigeria." Walisongo Journal of Chemistry 6, no. 2 (2023): 134–42. http://dx.doi.org/10.21580/wjc.v6i2.17283.

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Kaolinite is among the most important mineral resource of kaolin clay sample with numerous industrial applications. Its effective characterization in terms of its chemical composition, structure and thermal properties is important for streamline it specific industrial application. In this study, the mineralogical, thermal properties, surface morphology, surface area, structural functional groups and chemical compositions were determined using the X-ray diffraction (XRD), thermogravimetry analyser, scanning electron microscope (SEM), nitrogen adsorption-desorption BET, Fourier transform infrare

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Sirait, M., K. Sari Dewi Saragih, and S. Gea. "The Fabrication of Natural Zeolite Via Co-Precipitation Method as Cu, Pb and Zn Metal Absorbent." Latvian Journal of Physics and Technical Sciences 57, no. 3 (2020): 40–47. http://dx.doi.org/10.2478/lpts-2020-0014.

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AbstractHeavy metal waste is very dangerous, which can change the condition of water into a solid substance that can be suspended in water and can reduce the cleanliness level of water consumed by living things. To date, heavy metals can be managed through several processes, namely physics, biology or chemistry. One of the ways to overcome heavy metal pollution is to use natural zeolite applying a co-precipitation method, as it is known that zeolite is a powerful natural material to be used for certain purposes. In order to justify the research results, several analyses have been performed, su

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Trivedi, Mahendra Kumar, Alice Branton, Dahryn Trivedi, Gopal Nayak, Ragini Singh, and Snehasis Jana. "Physical, Thermal and Spectroscopic Studies of Biofield Treated p-Chlorobenzonitrile." Science Journal of Chemistry 3, no. 6 (2015): 84–90. https://doi.org/10.11648/j.sjc.20150306.11.

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Para-chlorobenzonitrile (p-CBN) is widely used as a chemical intermediate in the manufacturing of dyes, medicines, and pesticides, however; sometimes it may cause runaway reactions at high temperatures. The current study was designed to evaluate the impact of biofield energy treatment on the physical, thermal, and spectroscopic properties of p-CBN. The analysis was done by dividing the p-CBN samples into two groups that served as control and treated. The treated group received Mr. Trivedi’s biofield treatment. Subsequently, the control and treated samples were evaluated using various ana

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Trivedi, Mahendra Kumar, Alice Branton, Dahryn Trivedi, Gopal Nayak, Ragini Singh, and Snehasis Jana. "Physical, Thermal and Spectroscopic Studies of Biofield Treated p-Chlorobenzonitrile." Science Journal of Chemistry 3, no. 6 (2015): 84–90. https://doi.org/10.5281/zenodo.167908.

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Para-chlorobenzonitrile (p-CBN) is widely used as a chemical intermediate in the manufacturing of dyes, medicines, and pesticides, however; sometimes it may cause runaway reactions at high temperatures. The current study was designed to evaluate the impact of biofield energy treatment on the physical, thermal, and spectroscopic properties of p-CBN. The analysis was done by dividing the p-CBN samples into two groups that served as control and treated. The treated group received Mr. Trivedi’s biofield treatment. Subsequently, the control and treated samples were evaluated using various ana

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Mahendra, Kumar Trivedi, Branton Alice, Nayak Gopal, and Trivedi Dahryn. "Experimental Investigation on Physical, Thermal and Spectroscopic Properties of 2-Chlorobenzonitrile: Impact of Biofield Treatment." Modern Chemistry 3, no. 4 (2015): 38–46. https://doi.org/10.11648/j.mc.20150304.11.

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2-chlorobenzonitrile (2-ClBN) is widely used in the manufacturing of azo dyes, pharmaceuticals, and as intermediate in various chemical reactions. The aim of present study was to evaluate the impact of biofield treatment on physical, thermal and spectroscopic properties of 2-ClBN. 2-ClBN sample was divided into two groups that served as treated and control. The treated group received Mr. Trivedi’s biofield treatment. Subsequently, the control and treated samples were evaluated using X-ray diffraction (XRD), surface area analyser, differential scanning calorimetry (DSC), thermogravimetric

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Baskaya, S., A. Gilchrist, and S. M. Fraser. "Buoyancy-Induced Flow Through a Narrow Chamber Containing an Internal Heat Source: Comparison of Experimental Measurements and Numerical Simulations." Proceedings of the Institution of Mechanical Engineers, Part C: Journal of Mechanical Engineering Science 210, no. 5 (1996): 489–98. http://dx.doi.org/10.1243/pime_proc_1996_210_222_02.

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Natural convection ventilation of a rectangular chamber containing a heated rectangular body has been investigated both experimentally and computationally. The heated square blockage within the partial enclosure was adjacent to the adiabatic lower surface of the chamber and the three exposed surfaces of the block were such as to give a constant heat flux. The air inlet and outlet were located at the bottom and top of the chamber vertical walls respectively, and were of equal area. Velocity measurements were performed using laser Doppler anemometry (LDA) with a one-component He–Ne laser connect

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Anees, M., and S. B. Patil. "Biosynthesis, Characterization and Evaluation of Green Silver Nanoparticles against Amrasca devastans (Dist.) (Cicadellidae: Homoptera)." International Journal of Current Microbiology and Applied Sciences 11, no. 6 (2022): 270–80. http://dx.doi.org/10.20546/ijcmas.2022.1106.030.

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Biosynthesis of nanoparticles from plant-based sources has been proven to be cost efficient and eco-friendly. Due to its miniature size, nanoparticles have a higher surface area to volume proportion, which is very important for its insecticidal potentiality. Hence nanoparticles could be used as an important tool for pest management. The main objective of this study was to provide a better management strategy through analysing, evaluating and proving the bioefficacy of Azadirachta indica and Pongamia pinnata silver nanoparticles against 1st nymphal instars of A. devastans under laboratory condi

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Trivedi, Mahendra Kumar, Alice Branton, Dahryn Trivedi, Gopal Nayak, Ragini Singh, and Snehasis Jana. "Experimental Investigation on Physical, Thermal and Spectroscopic Properties of 2-Chlorobenzonitrile: Impact of Biofield Treatment." Modern Chemistry 3, no. 4 (2015): 38–46. https://doi.org/10.5281/zenodo.35219.

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2-chlorobenzonitrile (2-ClBN) is widely used in the manufacturing of azo dyes, pharmaceuticals, and as intermediate in various chemical reactions. The aim of present study was to evaluate the impact of biofield treatment on physical, thermal and spectroscopic properties of 2-ClBN. 2-ClBN sample was divided into two groups that served as treated and control. The treated group received Mr. Trivedi’s biofield treatment. Subsequently, the control and treated samples were evaluated using X-ray diffraction (XRD), surface area analyser, differential scanning calorimetry (DSC), thermogravimetric

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Trivedi, Mahendra Kumar, Alice Branton, Dahryn Trivedi, Gopal Nayak, Ragini Singh, and Snehasis Jana. "Experimental Investigation on Physical, Thermal and Spectroscopic Properties of 2-Chlorobenzonitrile: Impact of Biofield Treatment." Modern Chemistry 3, no. 4 (2015): 38–46. https://doi.org/10.5281/zenodo.186726.

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2-chlorobenzonitrile (2-ClBN) is widely used in the manufacturing of azo dyes, pharmaceuticals, and as intermediate in various chemical reactions. The aim of present study was to evaluate the impact of biofield treatment on physical, thermal and spectroscopic properties of 2-ClBN. 2-ClBN sample was divided into two groups that served as treated and control. The treated group received Mr. Trivedi’s biofield treatment. Subsequently, the control and treated samples were evaluated using X-ray diffraction (XRD), surface area analyser, differential scanning calorimetry (DSC), thermogravimetric

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Chartres, CJ, RSB Greene, GW Ford, and P. Rengasamy. "The effects of gypsum on macroporosity and crusting of two red duplex soils." Soil Research 23, no. 4 (1985): 467. http://dx.doi.org/10.1071/sr9850467.

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The effects of gypsum on the physical properties of two red duplex soils in northern Victoria were investigated by assessing the relative abundance of macropores (diameters greater than 75 �m) in the 0-30 mm zone of their cultivated layers. Samples were collected in October 1983 from both fallow cropped and stubble cropped plots. Changes in soil porosity between untreated and gypsum-treated plots were measured on photographic images of thin-sections using a Quantimet 720 image analyser. The soils differed in their clay mineralogy, one being dominated by illite, the other by randomly interstrat

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Chartres, CJ, RSB Greene, GW Ford, and P. Rengasamy. "Corrigenda - The effects of gypsum on macroporosity and crusting of two red duplex soils." Soil Research 23, no. 4 (1985): 467. http://dx.doi.org/10.1071/sr9850467c.

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The effects of gypsum on the physical properties of two red duplex soils in northern Victoria were investigated by assessing the relative abundance of macropores (diameters greater than 75 �m) in the 0-30 mm zone of their cultivated layers. Samples were collected in October 1983 from both fallow cropped and stubble cropped plots. Changes in soil porosity between untreated and gypsum-treated plots were measured on photographic images of thin-sections using a Quantimet 720 image analyser. The soils differed in their clay mineralogy, one being dominated by illite, the other by randomly interstrat

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36

Mahadi, Nurfatihah, Halina Misran, and S. Z. Othman. "Synthesis and Characterizations of MOF-199 Using PODFA as Porogen for CO₂ Adsorption Applications." Key Engineering Materials 694 (May 2016): 44–49. http://dx.doi.org/10.4028/www.scientific.net/kem.694.44.

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Copper-based metal-organic framework (MOF-199, also known as Cu-BTC and HKUST-1) materials were successfully synthesized by hydrothermal method using renewable straight-chain fatty alcohol with eight carbon chain length (i.e. octyl alcohol). The addition of palm oil derived fatty alcohol (PODFA) was suggested to act as porogen (structure directing agent) that aided the particle formation and flexible porous structure. This synthesis approach was environmental-friendly and sustainable by utilizing the fatty alcohols originated from biomass such as palm oil. The resulting MOF-199 materials exhib

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Hazmi, Balkis, Mahnoush Beygisangchin, Umer Rashid, et al. "Glycerol-Based Retrievable Heterogeneous Catalysts for Single-Pot Esterification of Palm Fatty Acid Distillate to Biodiesel." Molecules 27, no. 20 (2022): 7142. http://dx.doi.org/10.3390/molecules27207142.

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The by-product of the previous transesterification, glycerol was utilised as an acid catalyst precursor for biodiesel production. The crude glycerol was treated through the sulfonation method with sulfuric acid and chlorosulfonic acid in a reflux batch reactor giving solid glycerol-SO3H and glycerol-ClSO3H, respectively. The synthesised acidic glycerol catalysts were characterised by various analytical techniques such as thermalgravimetric analyser (TGA), infrared spectroscopy, surface properties adsorption-desorption by nitrogen gas, ammonia-temperature programmed desorption (NH3-TPD), X-ray

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Powell, C. J. "Summary of ISO/TC 201 Technical Report: ISO/TR 19319: 2003—Surface chemical analysis—Auger electron spectroscopy and x-ray photoelectron spectroscopy—Determination of lateral resolution, analysis area and sample area viewed by the analyser." Surface and Interface Analysis 36, no. 7 (2004): 666–67. http://dx.doi.org/10.1002/sia.1906.

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Ibrahim Yakub, Khairul Anwar Mohamad Said, Mohamed Afizal Mohamed Amin, Ahmad Beng Hong Kueh, and Mugahed Amran. "Aqueous-phase Reforming of Glycerol using Cu-Ni Bimetal Catalyst Supported over Coconut Shell Activated Carbon." Journal of Advanced Research in Fluid Mechanics and Thermal Sciences 115, no. 1 (2024): 193–205. http://dx.doi.org/10.37934/arfmts.115.1.193205.

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The increasing generation of glycerol as a waste from biodiesel production calls for its various consumptions, especially in producing industrial chemicals. However, the focus of popular studies in this process is on using noble metals as the catalyst. It should be shifted to a low cost and abundant element to ensure sustainability. Therefore, this study uses activated carbon from coconut shells to support a bimetal catalyst copper-nickel in converting glycerol into value-added products. The catalyst was synthesized via the wet impregnation method and was characterized using scanning electron

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Liu, Qiaochu, Fuchang Peng, and Li Wang. "Preparation of [BMIM]HSO₄@SiO₂ Ionic Liquid Microcapsules and Application to CO₂ Adsorption." Journal of Physics: Conference Series 2679, no. 1 (2024): 012020. http://dx.doi.org/10.1088/1742-6596/2679/1/012020.

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Abstract Carbon emissions are closely related to global climate change and have gradually become a focus of attention. Carbon capture is an effective way to reduce carbon emissions, ionic liquid microcapsules (ILM) have great potential as a CO2 capture material. [BMIM]HSO4@SiO2 ionic liquid microcapsules were prepared by in situ polymerization, and the microcapsule samples were characterized using thermo-gravimetric analysis & differential scanning calorimetry (TG/DSC), scanning electron microscopy (SEM), laser particle size analysis and surface area analyser. The microcapsules on the CO2

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Kempf, Sascha, Scott Tucker, Nicolas Altobelli, et al. "SUDA: A SUrface Dust Analyser for Compositional Mapping of the Galilean Moon Europa." Space Science Reviews 221, no. 1 (2025). https://doi.org/10.1007/s11214-025-01134-0.

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Abstract The Surface Dust Analyser (SUDA) is a mass spectrometer onboard the Europa Clipper mission for investigating the surface composition of the Galilean moon Europa. Atmosphereless planetary moons such as the Galilean satellites are wrapped into a ballistic dust exosphere populated by tiny samples from the moon’s surface produced by impacts of fast micrometeoroids. SUDA will measure the composition of such surface ejecta during close flybys of Europa to obtain key chemical signatures for revealing the satellite’s composition such as organic molecules and salts, history, and geological evo

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Mahendra, Trivedi, Branton Alice, Trivedi Dahryn, and Nayak Gopal. "Physicochemical and Atomic Characterization of Silver Powder after Biofield Treatment." OMICS International, September 28, 2015. https://doi.org/10.5281/zenodo.813759.

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Silver is widely utilized as antimicrobial agent and wound dressing, where its shape, size, surface area, and surface charge play an important role. The aim of present study was to evaluate the impact of biofield treatment on physicochemical and atomic properties of silver powder. The silver powder was divided into two groups, coded as control and treatment. The treatment group received Mr. Trivedi's biofield treatment. Subsequently, control and treated samples were characterized using particle size analyzer, X-ray diffraction (XRD) and surface area analyser. Particle size data exhibited that

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Trivedi, Mahendra Kumar, Rama Mohan Tallapragada, Alice Branton, et al. "Physicochemical and Atomic Characterization of Silver Powder after Biofield Treatment." Journal of Bioengineering & Biomedical Science 5, no. 3 (2015). https://doi.org/10.4172/2155-9538.1000165.

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Silver is widely utilized as antimicrobial agent and wound dressing, where its shape, size, surface area, and surface charge play an important role. The aim of present study was to evaluate the impact of biofield treatment on physicochemical and atomic properties of silver powder. The silver powder was divided into two groups, coded as control and treatment. The treatment group received Mr. Trivedi’s biofield treatment. Subsequently, control and treated samples were characterized using particle size analyzer, X-ray diffraction (XRD) and surface area analyser. Particle size data exhibited

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Trivedi, Mahendra Kumar, Rama Mohan Tallapragada, Alice Branton, et al. "Physicochemical and Atomic Characterization of Silver Powder after Biofield Treatment." Journal of Bioengineering & Biomedical Science 5, no. 3 (2015). https://doi.org/10.5281/zenodo.193834.

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Silver is widely utilized as antimicrobial agent and wound dressing, where its shape, size, surface area, and surface charge play an important role. The aim of present study was to evaluate the impact of biofield treatment on physicochemical and atomic properties of silver powder. The silver powder was divided into two groups, coded as control and treatment. The treatment group received Mr. Trivedi’s biofield treatment. Subsequently, control and treated samples were characterized using particle size analyzer, X-ray diffraction (XRD) and surface area analyser. Particle size data exhibited

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Mahendra, Trivedi, Branton Alice, Trivedi Dahryn, and Nayak Gopal. "Physicochemical Characterization of Biofield Energy Treated Hi VegTM Acid Hydrolysate." Science Publishing Group, December 21, 2015. https://doi.org/10.5281/zenodo.813695.

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The hydrolysed vegetable proteins are acidic or enzymatic hydrolytic product of proteins derived from various sources such as milk, meat or vegetables. The current study was designed to evaluate the impact of biofield energy treatment on the various physicochemical and spectra properties of Hi VegTM acid hydrolysate i.e. a hydrolysed vegetable protein. The Hi VegTM acid hydrolysate sample was divided into two parts that served as control and treated sample. The treated sample was subjected to the biofield energy treatment and its properties were analysed using particle size analyser, X-ray dif

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El-Sheikhy, Refat. "Exploring of new natural Saudi nanoparticles: investigation and characterization." Scientific Reports 10, no. 1 (2020). http://dx.doi.org/10.1038/s41598-020-78429-5.

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AbstractA new natural nanomaterial in Saudi Arabian soil has been explored. It is green nanoclay consisting of two-dimensional nanoparticles with special properties and dimensions. These nanoparticles are called Saudi halloysite-like nanotubes (SHNTs) because they are similar to halloysite nanotubes (HNTs). SHNTs are transparent having a special cross-section in polygonal shapes, such as hexagonal, with unique dimensions in comparison to that of HNTs. Additionally, external width of SHNTs is 20–50 nm, length is 50–600 nm and can reach 10,000 nm while lumen width of SHNTs is larger than that of

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47

"Zinc Oxide Nanoparticles for Removal of Arsenic from Water." International Journal of Recent Technology and Engineering 8, no. 3S (2019): 117–22. http://dx.doi.org/10.35940/ijrte.c1021.1083s19.

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Removal of arsenate, As(V) from water was achieved using zinc oxide nanoparticles. The nanoparticles were synthesised from zinc acetate dihydrate and sodium hydroxide (NaOH) using the wet chemical sol-gel method. Different synthesis parameters were explored; including different ratios of Zn:NaOH and calcination temperatures. The synthesised samples were subsequently characterised and tested to investigate the adsorption capabilities of ZnO towards As(V). The colourimetric approach was utilised to analyse the samples’ performance. The particles had a relatively large average size as tested by t

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Trivedi, Mahendra Kumar, Alice Branton, Dahryn Trivedi, Gopal Nayak, Ragini Singh, and Snehasis Jana. "Evaluation of Physical, Thermal and Spectroscopic Properties of Biofield Treated p-Hydroxyacetophenone." Natural Products Chemistry & Research 3, no. 5 (2015). https://doi.org/10.4172/2329-6836.1000190.

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P-Hydroxyacetophenone (pHAP) is an aromatic ketone derivative that is mainly used in the manufacturing of various pharmaceuticals, flavours, fragrances, etc. In the present study, the impact of Mr. Trivedi’s biofield energy treatment was analysed on various properties of pHAP viz. crystallite size, surface area, melting temperature, thermal decomposition, and spectral properties. The pHAP sample was divided into two parts; one was kept as control sample while another part was named as treated sample. The treated sample was given the biofield energy treatment and various parameters were a

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Trivedi, Mahendra Kumar, Alice Branton, Dahryn Trivedi, Gopal Nayak, Ragini Singh, and Snehasis Jana. "Evaluation of Physical, Thermal and Spectroscopic Properties of Biofield Treated P-Hydroxyacetophenone." Natural Products Chemistry & Research 3, no. 5 (2015). https://doi.org/10.5281/zenodo.167415.

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P-Hydroxyacetophenone (pHAP) is an aromatic ketone derivative that is mainly used in the manufacturing of various pharmaceuticals, flavours, fragrances, etc. In the present study, the impact of Mr. Trivedi’s biofield energy treatment was analysed on various properties of pHAP viz. crystallite size, surface area, melting temperature, thermal decomposition, and spectral properties. The pHAP sample was divided into two parts; one was kept as control sample while another part was named as treated sample. The treated sample was given the biofield energy treatment and various parameters were a

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50

Moga, Janos, Katalin Fehér, and Daniela Strat. "Characteristics of the micropseudokarst landforms in Pâclele Mari mud volcanic area (Romania)." Acta Carsologica 53, no. 1 (2024). http://dx.doi.org/10.3986/ac.v53i1.13549.

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In this paper, we present the results of the geomorphological study of the micro pseudokarst landfoms developed on Pâclele Mari mud volcanic site that belongs to the famous mud volcanic area Berca-Arbănași, Buzău Subcarpathians, Romania. Different types of pseudokarstic cavity formation can be observed in the area, especially in the sloping periphery of the mud volcanic area, where badlands developed (badland pseudokarst), and rheogene pseudokarst in the mud flows. The liquid mud material gets denser and wimple on the surface of the mud that flows in the trough, it compiles and then covers the

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