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Journal articles on the topic 'Microwave Research Institute'

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Published: 4 June 2021

Last updated: 28 July 2025

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1

Singh, Dharmendra. "Microwave Absorbing Materials." Defence Science Journal 71, no. 03 (2021): 351. http://dx.doi.org/10.14429/dsj.71.17005.

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The 4th Prof. Vijaya Agarwala Memorial National Symposium on Microwave Absorbing Materials (VAMMAM-2020)” was held during 23 - 24th, August 2020 at Indian Institute of Technology Roorkee in association with Centre of Nanotechnology and Common Research Technology Development Hub (CRTDH) for New Materials/Stealth Applications and Department of Applied Mechanics Motilal Nehru National Institute of Technology Allahabad, Prayagraj, India.

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Youn, SungWoo. "Axion Research at CAPP/IBS." International Journal of Modern Physics: Conference Series 43 (January 2016): 1660193. http://dx.doi.org/10.1142/s2010194516601939.

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The axion, a hypothetical fundamental particle, was postulated as an attractive solution to the CP problem in quantum chromodynamics and believed to be an ideal candidate for the cold dark matter. The Center for Axion and Precision Physics Research of the Institute for Basic Science has launched a state of the art experiment to search for the hypothesised new particle using microwave resonant cavities. I will discuss R&D efforts at our center and plans for the experiment.

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Alok, Sharma, Mazumdar Bidyut, and Keshav Amit. "Green extraction of betacyanin from beetroot peel using Microwave and Ultrasound technology." Journal of Indian Chemical Society Vol. 97, No. 10a, Oct 2020 (2020): 1651–54. https://doi.org/10.5281/zenodo.5956423.

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Research Scholar, Department of Chemical Engineering, National Institute of Technology Raipur Associate Professor, Department of Chemical Engineering, National Institute of Technology Raipur <em>E-mail</em>: bmazumdar.che@nitrr.ac.in <em>Manuscript received online 11 July 2020, revised and accepted 08 October 2020</em> The extraction of phytochemicals from waste food sources and other byproducts has emerged a major step towards sustainable technology. Beetroot is the widely preferred source for commercial extraction of betacyanin. Water was used as a green solvent for the extraction. Microwave

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Anh, Vo Thi Lan, Doan Minh Chung, Ngo Tuan Ngoc, and K. G. Kostov. "Research of Soil Moisture Retrieval Algorithms for Processing Radiometry Data." Communications in Physics 25, no. 3 (2016): 283. http://dx.doi.org/10.15625/0868-3166/25/3/5561.

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Since 2012, the experts of Space Technology Institute have carried out the field experiments to obtain a high-resolution dataset of microwave radiometers for land surface parameters (soil moisture, soil temperature, vegetation water content), in order to improve the soil moisture retrieval methodology. L-band radiometers were used for measuring the brightness temperature of the bare soil. Field experiments for passive microwave remote sensing of soil moisture were carried out in Hoai Duc District in 2012. L-band microwave radiometers were used for measuring the microwave emission of bare agric

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Lemmetyinen, Juha, Anna Kontu, Jouni Pulliainen, et al. "Nordic Snow Radar Experiment." Geoscientific Instrumentation, Methods and Data Systems 5, no. 2 (2016): 403–15. http://dx.doi.org/10.5194/gi-5-403-2016.

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Abstract. The objective of the Nordic Snow Radar Experiment (NoSREx) campaign was to provide a continuous time series of active and passive microwave observations of snow cover at a representative location of the Arctic boreal forest area, covering a whole winter season. The activity was a part of Phase A studies for the ESA Earth Explorer 7 candidate mission CoReH2O (Cold Regions Hydrology High-resolution Observatory). The NoSREx campaign, conducted at the Finnish Meteorological Institute Arctic Research Centre (FMI-ARC) in Sodankylä, Finland, hosted a frequency scanning scatterometer operati

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Kulanov, A. E. "Research Institute № 9 of the Imperial Japanese Army." Yearbook Japan 52, no. 1 (2023): 133–50. https://doi.org/10.55105/2687-1440-2023-52-133-150.

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Despite the decades that have passed since the end of World War II, historians and researchers from other academic fields remain interested in the activities of a number of organizations and military units of the Japanese army and navy, engaged, during the pre-war and war periods, in the development of weapons of mass destruction, unique weapons, as well as means of their delivery. At the same time, against the background of the relatively well-studied circumstances of the activities of the infamous Units 731 and 100, which produced and tested bacteriological and other weapons in the territory

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Trulli, Susan, Craig Armiento, Christopher Laighton, Elicia Harper, Mahdi Haghzadeh, and Alkim Akyurtlu. "Additive Packaging for Microwave Applications." International Symposium on Microelectronics 2017, no. 1 (2017): 000768–72. http://dx.doi.org/10.4071/isom-2017-thp53_148.

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Abstract This paper describes efforts to apply Additive Manufacturing (AM) technologies to microelectronic packaging of devices and subsystems for RF and microwave applications. This work, which was conducted at the Raytheon-University of Massachusetts Lowell Research Institute (RURI), is directed at a variety of applications such as 2D and 3D phased array antennas and tunable frequency selective surfaces (FSS). This paper will describe research on device modeling/simulation, formulation of novel functional inks, development of process/printing technologies and new material characterization te

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Nikhita, Yadav, Sharma Shubham, Sam Joys Jaison, and Kumar Sushil. "Microwave assisted extraction of bioactive compounds: A brief review." Journal of Indian Chemical Society Vol. 97, No. 10a, Oct 2020 (2020): 1751–56. https://doi.org/10.5281/zenodo.5957288.

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Chemical Engineering Department, Motilal Nehru National Institute of Technology Allahabad, Prayagraj-211 004, Uttar Pradesh, India <em>Email</em>: sushilk2006@gmail.com <em>Manuscript received online 31 July 2020, revised and accepted 31 October 2020</em> Microwave Assisted Extraction has been a topic of research for last decade and has gained quite momentum in the recent years. This article summarizes the different conventional methods of extraction of bioactive compounds and their drawbacks and it is felt that microwave assisted extraction is found to be a better alternative. Several new and

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V., Balaram, and L. Ramesh S. "Rapid dissolution of larger amounts of rock and ore samples by microwave digestion for the estimation of gold by ICP-MS for geochemical prospecting studies." Journal of Indian Chemical Society Vol. 76, Oct 1999 (1999): 491–94. https://doi.org/10.5281/zenodo.5860864.

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National Geophysical Research Institute, Hyderabad-500 007, India <em>Manuscript received 14 December 1998, revised 28 April 1999. accepted 29 June 1999</em> A microwave dissolution method for the determination of gold in sample weight as high as 10 g has been described. The gold concentrations in several field samples and gold reference samples are estimated using ICP-MS after microwave dissolution. <sup>103</sup>Rh is used as an internal standard. The gold values obtained compare well with the certified values. The average values obtained on the replicate determinations are within 10% RSD wi

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Gawalko, Eugene J., Thomas W. Nowicki, Jeff Babb, Russell Tkachuk, and Shaole Wu. "Comparison of Closed-Vessel and Focused Open-Vessel Microwave Dissolution for Determination of Cadmium, Copper, Lead, and Selenium in Wheat, Wheat Products, Corn Bran, and Rice Flour by Transverse-Heated Graphite Furnace Atomic Absorption Spectrometry." Journal of AOAC INTERNATIONAL 80, no. 2 (1997): 379–87. http://dx.doi.org/10.1093/jaoac/80.2.379.

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Abstract A method is described for the determination of Pb, Cd, Cu, and Se in cereal samples. An atomic absorption spectrometer equipped with a transverseheated graphite furnace with Zeeman background correction was used for all determinations. Sample preparation was performed by closed-vessel microwave digestion using nitric acid and focused openvessel microwave digestion using nitric acid-hydrogen peroxide. Both techniques were evaluated by using 15 cereal reference materials and comparing results with certified or reference values for each element. Cereal reference standards obtained from t

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Nayan, Kamal Bhattacharyya, and C. S. Kataky J. "A facile microwave-induced synthesis of heterocyclic compounds and a dialdehyde from a naturally occurring limonoid." Journal of Indian Chemical Society Vol. 86, Sep 2009 (2009): 959–62. https://doi.org/10.5281/zenodo.5819624.

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Department of Chemistry, Sikkim Manipal Institute of Technology. Majitar. Rangpo-737 132, East-Sikkim, India <em>E-mail</em> : nkamalbhatt@yahoo.com Fax : + 91-3592-246112 Synthetic Organic Chemistry Division, Regional Research Laboratory, Jorhat-785 006, Assam, India <em>Manuscript received 15 March 2007, revised 15 May 2009, accepted 26 May 2009</em> Paniculatin (1) (6α-acetoxyazadirone), a naturally occurring meliacin, was subjected to chemical transformations under microwave irradiation to give heterocyclic compounds and also a dialdehyde derivative. These include 2- methyloxazolo[4,

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BIBBER, K. VAN, W. STÖFFL, P. L. ANTHONY, et al. "A NEXT-GENERATION CAVITY MICROWAVE EXPERIMENT TO SEARCH FOR DARK-MATTER AXIONS." International Journal of Modern Physics D 03, supp01 (1994): 33–42. http://dx.doi.org/10.1142/s0218271894000939.

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We propose a large-scale experimental search for dark-matter axions which may constitute an important fraction of our own galactic halo. As shown by Sikivie,1 dark-matter axions may be detected by their stimulated conversion into monochromatic microwave photons in a tunable high-Q cavity inside a strong magnetic field. The principal improvement in power sensitivity over two earlier pilot experiments (×25) derives from the large-volume high field superconducting magnet (the NASA SUMMA coils). The improvement in mass range (1.5 to 12.6 μeV) will result from the use of several microwave cavity ar

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Lan Anh, Vo Thi, Ngo Tuan Ngoc, Doan Minh Chung, K. G. Kostov, and B. I. Vichev. "Development of the C-band radiometer and use it for sea surface temperature research in Vietnam." Communications in Physics 25, no. 2 (2015): 183. http://dx.doi.org/10.15625/0868-3166/25/2/5077.

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The microwave (MW) sensors are being used widely on the ground based, airborne and satellite due to their advantage of being worked day/night and cloudy free. The MW radiometer (RDM) is an example of such passive MW device for remote measurement of environmental parameters as like soil moisture, sea surface temperatures. The satellite SMOS of ESA observing soil moisture and ocean salinity and satellite HYDROS of NASA are two examples of these devices. This paper describes briefly the research method and some results based on the protocol cooperative project between Vietnam and Bulgarian namely

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Oyindamola Olaniyi Oyesaga. "The danger of microwave ovens in relation to free radicals formation, cellular inflammation, cancer initiation, and cancer progression." International Journal of Science and Research Archive 12, no. 1 (2024): 2742–46. http://dx.doi.org/10.30574/ijsra.2024.12.1.1137.

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The US National Cancer Institute defines cancer as a disease in which some of the body’s cells grow uncontrollably and then spread to other parts of the body. Cancer is a major cause of death globally and based on the World Health Organization (WHO) most recent data it accounts for about 10 million deaths annually. Cancer is a disorder of cell growth and behaviour, so its ultimate cause has to be defined at the cellular and subcellular levels. The focus of this review is on the danger of microwave ovens as a major source of free radicals in food, which then eventually leads to cellular inflamm

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Aparna, Das, K. Bose Ajay та Krishna Banik Bimal. "Stereoselective synthesis of β-lactams under diverse conditions: Unprecedented observations". Journal of Indian Chemical Society Vol. 97, Jun 2020 (2020): 917–25. https://doi.org/10.5281/zenodo.5664278.

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Department of Mathematics and Natural Sciences, College of Sciences and Human Studies, Prince Mohammad Bin Fahd University, Al Khobar 31952, KSA Department of Chemistry and Chemical Biology, Stevens Institute of Technology, Hoboken, New Jersey 07030, USA Department of Mathematics and Natural Sciences, College of Sciences and Human Studies, Deanship of Research, Prince Mohammad Bin Fahd University, Al Khobar 31952, KSA <em>E-mail:</em> adas@pmu.edu.sa, bimalbanik10@gmail.com, bbanik@pmu.edu.sa <em>Manuscript received online 30 December 2019, revised 24 February 2020, accepted 22 May 2020</em> I

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P., C. Sarkar, Prasad N., and Nandy Sonia. "A novel synthesis of Z-(9)-hexadecenal in improved yields, from aleuritic acid." Journal Of Indian Chemical Society Vol. 82, May 2005 (2005): 475–76. https://doi.org/10.5281/zenodo.5830397.

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LP & PO Division, Indian Lac Research Institute (ICAR). Namkum. Ranchi-834 010. India <em>E-mail</em> : rch_sarkar2d@sancharnet.in Fax : 91-651-2260202 <em>Manuscript received 14 June 2004, revised 5 October 2004. accepted 30 January 2005</em> Z-(9)-Hexadecenal, an important pheromonal component, was synthesised from aleuritic acid, using novel procedure, resulting in improved yields. Microwave-assisted technique was also applied in the esterification of aleuritic acid, leading to shorter reaction limes and 98% yield of methyl aleuritate.

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Prabhat, Kumar Upadhyay, and Mishra Pradeep. "Microwave assisted synthesis and evaluation of some substituted 1,3,4-oxadiazoles as free radical scavenger." Journal of India Chemical Society Vol. 95, Jun 2018 (2018): 661–66. https://doi.org/10.5281/zenodo.5643010.

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Institute of Pharmaceutical Research, GLA University, 17, Km stone, NH-2, Mathura-Delhi Road, Mathura-281 406, Uttar Pradesh, India E-mail: pkutanu@gmail.com Fax: 91-5662-241218 <em>Manuscript received 21 August 2017, revised 17 February 2018, accepted 31 May 2018</em> A series of 5-(4-substituted phenyl)-1,3,4-oxadiazoles (4a-h) were prepared from 4-substituted benzoic acid hydrazides (3a-h). Structures of the synthesized compounds were confirmed on the basis of IR, <sup>13</sup>C NMR, Mass spectral methods and elemental analysis. The compounds were screened for antioxidant activities using h

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Cheng, Chun Yue, Hong Zhai, Jin Long Chen, De Zhong Xu, and Fang Li. "The Study on Calibration Target with Temperature Adjusted Function for 10GHz~90GHz Microwave Radiometer." Key Engineering Materials 500 (January 2012): 603–8. http://dx.doi.org/10.4028/www.scientific.net/kem.500.603.

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FY-3 meteorological satellite is the new generation of China’s polar-orbit meteorological satellite and be hoped to meet the operational weather prediction requirements of china and the global change research. The microwave imaging sounder (MWIS) and the microwave temperature sounder (MWTS) are two of its main payloads. To calibrate the linearity, sensitivity and stability of MWIS and MWTS accurately, the calibration target with temperature adjusted function is studied by Beijing Institute of Radio Metrology & Measurement (BIRMM). The configuration, technical specifi-cations and operationa

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Proyavin, Mikhail D., Valentina E. Kotomina, Alexey A. Orlovskiy, et al. "Application of Chemical Metallization of Photopolymer Structures Additive Technology in the Production of Components for Electronic Devices." Micromachines 14, no. 10 (2023): 1897. http://dx.doi.org/10.3390/mi14101897.

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In this paper, we studied the operability of various components of vacuum electronic devices manufactured using the novel chemical metallization of photopolymer 3D-printed structures technology (CMPS), which is being applied at the Institute of Applied Physics, Russian Academy of Sciences (IAP RAS), for operation from microwave to sub-terahertz ranges. The key feature of this production method is the 3D printing (SLA/DLP, MJM technologies) of products and their further metallization. The paper presents the main stages of the process of chemical copper plating of polymer bases in various electr

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Indrani, Banik, Naresh Yadav Ram, F. Becker Fredrick та Krishna Banik Bimal. "Bismuth nitrate-induced microwave-mediated deglycosylation of O-glycosides: Synthesis of enantiopure 3-hydroxy β-lactams". Journal of Indian Chemical Society Vol. 95, Nov 2018 (2018): 1373–76. https://doi.org/10.5281/zenodo.5652732.

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Department of Molecular Pathology, The University of Texas-M. D. Anderson Cancer Centre, 1515 Holcombe Blvd., Houston, Texas 77030, USA Department of Chemistry, The University of Texas-Pan American, 1201 West University Drive, Edinburg, Texas 78539, USA Department of Chemistry and Chemical Engineering, Stevens Institute of Technology, Castle Point on the Hudson, Hoboken, New Jersey 07030, USA Current Address: Vice President of Research and Education Development, Community Health Systems of South Texas, 3135 South Sugar Road, Edinburg, Texas 78539, USA E-mail: bimalbanik10@gmail.com, bimal.bani

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Kang, Cheolhyun, Jongil Lee, and Kwang-Sik Lee. "VALIDATED MEASUREMENT OF URANIUM IN A HUMAN URINE STANDARD REFERENCE MATERIAL BY ICP-MS WITH THE STANDARD ADDITION METHOD." Radiation Protection Dosimetry 194, no. 2-3 (2021): 153–62. http://dx.doi.org/10.1093/rpd/ncab091.

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Abstract The Urine Analysis Laboratory of the Korea Atomic Energy Research Institute has developed an in vitro method for measuring uranium in spot urine samples using inductively coupled plasma-mass spectrometry (ICP-MS) with microwave-assisted digestion and standard addition. To validate this procedure, the frozen human urine standard reference material (SRM 2668), such as uranium and creatinine, were analyzed. To overcome the matrix effect and thereby obtain precise measurement data, the standard addition method with extrapolation of four additional points was applied. The measured values f

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Stiller, G. P., M. Kiefer, E. Eckert, et al. "Validation of MIPAS IMK/IAA temperature, water vapor, and ozone profiles with MOHAVE-2009 campaign measurements." Atmospheric Measurement Techniques Discussions 4, no. 4 (2011): 4403–72. http://dx.doi.org/10.5194/amtd-4-4403-2011.

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Abstract. MIPAS observations of temperature, water vapor, and ozone in October 2009 as derived with the scientific level-2 processor run by Karlsruhe Institute of Technology (KIT), Institute for Meteorology and Climate Research (IMK) and CSIC, Instituto de Astrofisica de Andalucia (IAA) and retrieved from version 4.67 level-1b data have been compared to co-located field campaign observations obtained during the MOHAVE-2009 campaign at the Table Mountain Facility near Pasadena, California in October 2009. The MOHAVE-2009 measurement campaign provided measurements of atmospheric profiles of temp

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Pestova, L. P., E. I. Vinevsky, and A. V. Chernov. "Influence of treatment of tobacco leaves with microwave radiation on quality indicators and quantitative composition of raw tobacco raw materials." New Technologies, no. 4 (November 18, 2020): 66–73. http://dx.doi.org/10.47370/2072-0920-2020-15-4-66-73.

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Technologies for obtaining expanded tobacco have been developed, which make it possible to increase the volume of tobacco leaves up to 50% and reduce the consumption of tobacco raw materials in the manufacture of smoking articles by up to 30%. However, they have a number of disadvantages, the main one being a decrease in the tasting evaluation of raw materials. The subject of the research is to determine the effect of microwave radiation when processing freshly harvested tobacco leaves on improving the qualitative and quantitative indicators of tobacco raw materials. The object of the research

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Стельмашенко, Е. Ф., О. А. Клезович, В. Н. Барышев та ін. "Измерение напряженности электрического поля СВЧ излучения на частоте радиационного перехода между ридберговскими состояниями атомов -=SUP=-85-=/SUP=-Rb". Журнал технической физики 128, № 8 (2020): 1063. http://dx.doi.org/10.21883/os.2020.08.49698.25-20.

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Authors: E.F. Stelmashenko(1), O.A. Klezovich(1), V.N. Baryshev(1), V.A. Tischenko(1), I.Yu. Blinov(1), V.G.Palchikov (1,2(, V. D. Ovsiannikov (1,3) Affiliation: (1)National Research Institute for Physical-Technical and Radiotechnical Measurements, Mendeleevo, Moscow Region , Russia (2)National Research Nuclear University MEPhI (Moscow Engineering Physics Institute), Moscow, Russia (3)Voronezh State University, University sq.1, 394018, Voronezh, Russia Abstract: Spectral characteristics are determined for the resonance electromagnetically induced transparency (EIT) effect on atomic rubidium va

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Steck, T., T. von Clarmann, H. Fischer, et al. "Bias determination and precision validation of ozone profiles from MIPAS-Envisat retrieved with the IMK-IAA processor." Atmospheric Chemistry and Physics Discussions 7, no. 2 (2007): 4427–80. http://dx.doi.org/10.5194/acpd-7-4427-2007.

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Abstract. This paper characterizes vertical ozone profiles retrieved with the IMK-IAA (Institute for Meteorology and Climate Research, Karlsruhe – Instituto de Astrofisica de Andalucia) science-oriented processor from spectra measured by the Michelson Interferometer for Passive Atmospheric Sounding (MIPAS) aboard the environmental satellite Envisat. Bias determination and precision validation is performed on the basis of correlative measurements by ground-based lidars, Fourier transform infrared spectrometers, and microwave radiometers as well as balloon-borne ozonesondes, the balloon-borne ve

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Steck, T., T. von Clarmann, H. Fischer, et al. "Bias determination and precision validation of ozone profiles from MIPAS-Envisat retrieved with the IMK-IAA processor." Atmospheric Chemistry and Physics 7, no. 13 (2007): 3639–62. http://dx.doi.org/10.5194/acp-7-3639-2007.

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Abstract. This paper characterizes vertical ozone profiles retrieved with the IMK-IAA (Institute for Meteorology and Climate Research, Karlsruhe – Instituto de Astrofisica de Andalucia) science-oriented processor from high spectral resolution data (until March 2004) measured by the Michelson Interferometer for Passive Atmospheric Sounding (MIPAS) aboard the environmental satellite Envisat. Bias determination and precision validation is performed on the basis of correlative measurements by ground-based lidars, Fourier transform infrared spectrometers, and microwave radiometers as well as balloo

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Manojit, Ghosh, Kumar Saurabh, Bothra Vivek, and S. Banerjee P. "Applications of microwave in chemical science and metallurgical activities." Journal of Indian Chemical Society Vol. 95, Nov 2018 (2018): 1351–58. https://doi.org/10.5281/zenodo.5652635.

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Department of Metallurgical Engineering, Indian Institute of Engineering Science and Technology, Shibpur, Howrah-711 103, West Bengal, India E-mail: manojit_ghosh1@rediffmail.com <em>Manuscript received 30 September 2018, accepted 01 November 2018</em> Microwave (MW) is a type of electromagnetic (EM) radiation with a wavelength ranging from 1 meter to 1 millimeter and frequency ranging from 3 to 300 GHz. These waves are used for a large number of applications like point to point telecommunication, Global Positioning System (GPS), RADAR, heating and spectroscopy. One of the pioneering areas of

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Gorlov, I. F., A. S. Miroshnik, Y. D. Danilov, and S. E. Bozhkova. "Combined use of ultrasonic processing and microwave electric field during meat raw materials defrosting." Agrarian-And-Food Innovations 20 (August 21, 2023): 73–81. http://dx.doi.org/10.31208/2618-7353-2022-20-73-81.

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Purpose. Combined use of ultrasonic and microwave treatment potential evaluation in the meat raw materials defrosting in terms of efficiency and impact on functional and technological properties. Materials and Methods. Defrosting and evaluation of organoleptic and functional-technological properties of meat raw materials samples were performed in conditions of the complex analytical laboratory of Volga Region Research Institute of Manufacture and Processing of Meat-And-Milk Production. Analyses of qualitative characteristics were carried out in accordance with generally accepted methods in the

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Shivendu, Ranjan, Dasgupta Nandita, Verma Priyanshu, and Ramalingam Chidambaram. "Acute and sub-chronic toxicity of titanium dioxide nanoparticles synthesized by microwave-irradiation-assisted hybrid chemical approach." Journal of Indian Chemical Society Vol. 97, Mar 2020 (2020): 483–91. https://doi.org/10.5281/zenodo.5654743.

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Faculty of Engineering and Built Environment, University of Johannesburg, Johannesburg, South Africa Department of Biotechnology, Bansal Institute of Engineering and Technology, Lucknow-226 201, Uttar Pradesh, India School of Bio Sciences and Technology, Vellore Institute of Technology, Vellore-632 014, Tamil Nadu, India <em>E-mail</em>: nanditadg254@gmail.com, cramalingam@vit.ac.in <em>Manuscript received online 10 December 2019, revised and accepted 11 January 2020</em> A lot of research has been focused upon the use of nanoparticles for various consumer applications. Titanium dioxide nanopa

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Krylov, V. P., R. A. Chirkov, M. O. Zabezhaylov, and A. N. Khramov. "Solid materials microwave dielectric properties: features of methods practical use." Izmeritel`naya Tekhnika, no. 2 (April 9, 2024): 49–54. http://dx.doi.org/10.32446/0368-1025it.2024-2-49-54.

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Features of methods practical use for material dielectric properties measurement in different (factory and metrological) laboratories and influence of above mentioned features on measurements results are considered. Results are obtained by Obninsk Research and Production Enterprise “Technologiya” A. G. Romashin radiophysics laboratory and by East-Siberian branch Federal State Unitary Enterprise “Russian metrological institute of technical physics and radio engineering” department of radio engineering measurements. Results of microwave permittivity and loss tangent solid materials measurements

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Blokhina, E. N., N. V. Kelus, and V. S. Chuchalin. "Influence of the Method of Treatment of Samples of Biological Nature on the Results of Determination of Heavy Metals by Atomic Emission Spectroscopy." Drug development & registration 8, no. 3 (2019): 86–90. http://dx.doi.org/10.33380/2305-2066-2019-8-3-86-90.

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Introduction. The article is devoted to the relevance of choosing sample preparation method for heavy metals concentration determination in biological sample by using atomic emission spectrometry. Much attention is given to compare 2 methods of sample preparation: solid-phase extraction and microwave decomposition. As the result of analysis of heavy metals Fe, Zn, Rb, Cu, Ni, Al, Mn content using these sample preparation methods the following conclusions are drawn: maximum extraction of heavy metals is achieved by using microwave decomposition method.Aim. The purpose of this work was to compar

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Fitriaturosidah, I., J. Kusnadi, E. Nurnasari, Nurindah, and B. Hariyono. "Phytochemical screening and chemical compound of green roselle(Hibiscus sabdariffa L.) and potential antibacterial activities." IOP Conference Series: Earth and Environmental Science 974, no. 1 (2022): 012118. http://dx.doi.org/10.1088/1755-1315/974/1/012118.

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Abstract Herbal rosella plants (Hibiscus sabdariffa L.) are plants that have great potential in the pharmaceutical field. Indonesian Sweetener and Fiber Crops Research Institute (ISFCRI) has released four superior herbal rosella varieties, including Roselindo-1, Roselindo-2, Roselindo-3, and Roselindo-4. Of the four varieties, Roselindo 3 has different physical characteristics, namely green. The purpose of this study was to determine the chemical and phytochemical compounds contained in the green rosella extract. Green rosella extract was obtained using the Microwave-Assisted Extraction (MAE)

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Mu, Longjiang, Xi Liang, Qinghua Yang, Jiping Liu, and Fei Zheng. "Arctic Ice Ocean Prediction System: evaluating sea-ice forecasts during Xuelong's first trans-Arctic Passage in summer 2017." Journal of Glaciology 65, no. 253 (2019): 813–21. http://dx.doi.org/10.1017/jog.2019.55.

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AbstractIn an effort to improve the reliability of Arctic sea-ice predictions, an ensemble-based Arctic Ice Ocean Prediction System (ArcIOPS) has been developed to meet operational demands. The system is based on a regional Arctic configuration of the Massachusetts Institute of Technology general circulation model. A localized error subspace transform ensemble Kalman filter is used to assimilate the weekly merged CryoSat-2 and Soil Moisture and Ocean Salinity sea-ice thickness data together with the daily Advanced Microwave Scanning Radiometer 2 (AMSR2) sea-ice concentration data. The weather

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Gao, Qidong, Sheng Wang, and Xiaofeng Yang. "Estimation of Surface Air Specific Humidity and Air–Sea Latent Heat Flux Using FY-3C Microwave Observations." Remote Sensing 11, no. 4 (2019): 466. http://dx.doi.org/10.3390/rs11040466.

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Latent heat flux (LHF) plays an important role in the global hydrological cycle and is therefore necessary to understand global climate variability. It has been reported that the near-surface specific humidity is a major source of error for satellite-derived LHF. Here, a new empirical model relating multichannel brightness temperatures ( T B ) obtained from the Fengyun-3 (FY-3C) microwave radiometer and sea surface air specific humidity ( Q a ) is proposed. It is based on the relationship between T B , Q a , sea surface temperature (SST), and water vapor scale height. Compared with in situ dat

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Osuch, T., P. Gąsior, K. Markowski, and K. Jędrzejewski. "Development of fiber Bragg gratings technology and their complex structures for sensing, telecommunications and microwave photonics applications." Bulletin of the Polish Academy of Sciences Technical Sciences 62, no. 4 (2014): 627–33. http://dx.doi.org/10.2478/bpasts-2014-0068.

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Abstract In this paper research on the development of the fiber Bragg grating (FBG) technology which has been conducted at the Institute of Electronic Systems (IES), Warsaw University of Technology (WUT) since 2004 is presented. In particular the directions in the development of advanced set-ups employing the phase mask inscription scheme are discussed and supported with the descriptions of structures designed and fabricated with the use of the laboratory stages constructed at the IES. The novelty of the presented solutions is based on the combination of numerous techniques of the external mod

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Abdalla, Amir A., and Robert E. Smith. "Determination of Mercury in Ayurvedic Dietary Supplements That Are Not Rasa Shastra Using the Hydra-C Direct Mercury Analyzer." International Journal of Analytical Chemistry 2013 (2013): 1–4. http://dx.doi.org/10.1155/2013/628397.

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Mercury has been determined in Ayurvedic dietary supplements (Trifala, Trifala Guggulu, Turmeric, Mahasudarshan, Yograj, Shatawari, Hingwastika, Shatavari, and Shilajit) by inductively coupled plasma-mass spectrometry (ICP-MS) and direct mercury analysis using the Hydra-C direct mercury analyzer (Teledyne Leeman Labs Hudson, NH, USA). Similar results were obtained from the two methods, but the direct mercury analysis method was much faster and safer and required no microwave digestion (unlike ICP-MS). Levels of mercury ranged from 0.002 to 56 μg/g in samples of dietary supplements. Standard re

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Alekseeva, T. A., M. D. Raev, V. V. Tikhonov, et al. "Comparative Analysis of Arctic Sea Ice Area Derived from Satellite Microwave Radiometry Data (VASIA2 Algorithm) with Ice Charts of the Arctic and Antarctic Research Institute." Izvestiya, Atmospheric and Oceanic Physics 57, no. 9 (2021): 1076–80. http://dx.doi.org/10.1134/s0001433821090383.

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Shorstkii, I. A., та D. A. Khudyakov. "Influence of electrophysical treatment on oilseed crops structure with Х-ray micro tomography application". Proceedings of the Voronezh State University of Engineering Technologies 80, № 3 (2018): 116–23. http://dx.doi.org/10.20914/2310-1202-2018-3-116-123.

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Morphological capillary-porous structure analysis of the oilseed materials, using x-ray microtomography in the longitudinal and transverse section and FESEM analysis of the surface microstructure after electrical and microwave treatment presented in current paper. Experimental data were obtained on the basis of the Institute of Materials Research and Engineering (Singapore). Two types of treatment considered: non-thermal pulsed electric field treatment, creating an electroporation effect of the oilseeds structure and microwave treatment. The main characteristic of capillary-porous structure of

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Wilson, J. D., and K. C. Jezek. "Co-registration of an Antarctic digital elevation model with SSM/I brightness temperatures." Annals of Glaciology 17 (1993): 93–97. http://dx.doi.org/10.3189/s0260305500012660.

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The Special Sensor Microwave/Imager (SMM/I) instrument provides daily measures of microwave brightness temperatures Tb over the polar regions. Data are available from 1987 to the present and have a demonstrated utility for sea-ice studies. In this paper we investigate applications to polar ice sheets with a view towards correlating patterns of Tb with ice-sheet elevation. We go on to discuss the Tb signature of processes linked to temperature anomalies and accumulation zone boundaries.Our approach consists of combining SSM/I Tb values provided on CD-ROM by the National Snow and Ice Data Center

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Wilson, J. D., and K. C. Jezek. "Co-registration of an Antarctic digital elevation model with SSM/I brightness temperatures." Annals of Glaciology 17 (1993): 93–97. http://dx.doi.org/10.1017/s0260305500012660.

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The Special Sensor Microwave/Imager (SMM/I) instrument provides daily measures of microwave brightness temperatures Tb over the polar regions. Data are available from 1987 to the present and have a demonstrated utility for sea-ice studies. In this paper we investigate applications to polar ice sheets with a view towards correlating patterns of Tb with ice-sheet elevation. We go on to discuss the Tb signature of processes linked to temperature anomalies and accumulation zone boundaries. Our approach consists of combining SSM/I Tb values provided on CD-ROM by the National Snow and Ice Data Cente

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Laeng, Alexandra, Thomas von Clarmann, Gabriele Stiller, et al. "Merged ozone profiles from four MIPAS processors." Atmospheric Measurement Techniques 10, no. 4 (2017): 1511–18. http://dx.doi.org/10.5194/amt-10-1511-2017.

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Abstract. The Michelson Interferometer for Passive Atmospheric Sounding (MIPAS) was an infrared (IR) limb emission spectrometer on the Envisat platform. Currently, there are four MIPAS ozone data products, including the operational Level-2 ozone product processed at ESA, with the scientific prototype processor being operated at IFAC Florence, and three independent research products developed by the Istituto di Fisica Applicata Nello Carrara (ISAC-CNR)/University of Bologna, Oxford University, and the Karlsruhe Institute of Technology–Institute of Meteorology and Climate Research/Instituto de A

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Stiller, G. P., M. Kiefer, E. Eckert, et al. "Validation of MIPAS IMK/IAA temperature, water vapor, and ozone profiles with MOHAVE-2009 campaign measurements." Atmospheric Measurement Techniques 5, no. 2 (2012): 289–320. http://dx.doi.org/10.5194/amt-5-289-2012.

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Abstract. MIPAS observations of temperature, water vapor, and ozone in October 2009 as derived with the scientific level-2 processor run by Karlsruhe Institute of Technology (KIT), Institute for Meteorology and Climate Research (IMK) and CSIC, Instituto de Astrofísica de Andalucía (IAA) and retrieved from version 4.67 level-1b data have been compared to co-located field campaign observations obtained during the MOHAVE-2009 campaign at the Table Mountain Facility near Pasadena, California in October 2009. The MIPAS measurements were validated regarding any potential biases of the profiles, and

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Nomokonova, Tatiana, Kerstin Ebell, Ulrich Löhnert, Marion Maturilli, Christoph Ritter, and Ewan O'Connor. "Statistics on clouds and their relation to thermodynamic conditions at Ny-Ålesund using ground-based sensor synergy." Atmospheric Chemistry and Physics 19, no. 6 (2019): 4105–26. http://dx.doi.org/10.5194/acp-19-4105-2019.

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Abstract. The French–German Arctic research base AWIPEV (the Alfred Wegener Institute Helmholtz Centre for Polar and Marine Research – AWI – and the French Polar Institute Paul Emile Victor – PEV) at Ny-Ålesund, Svalbard, is a unique station for monitoring cloud-related processes in the Arctic. For the first time, data from a set of ground-based instruments at the AWIPEV observatory are analyzed to characterize the vertical structure of clouds. For this study, a 14-month dataset from Cloudnet combining observations from a ceilometer, a 94 GHz cloud radar, and a microwave radiometer is used. A

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Shen, Xiaoyi, Chang-Qing Ke, and Haili Li. "Snow depth product over Antarctic sea ice from 2002 to 2020 using multisource passive microwave radiometers." Earth System Science Data 14, no. 2 (2022): 619–36. http://dx.doi.org/10.5194/essd-14-619-2022.

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Abstract. Snow over sea ice controls energy budgets and affects sea ice growth and melting and thus has essential effects on the climate. Passive microwave radiometers can be used for basin-scale snow depth estimation at a daily scale; however, previously published methods applied to the Antarctic clearly underestimated snow depth, limiting their further application. Here, we estimated snow depth using passive microwave radiometers and a newly constructed, robust method by incorporating lower frequencies, which have been available from AMSR-E and AMSR-2 since 2002. A regression analysis using

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Al-Yaari, A., S. Dayau, C. Chipeaux, et al. "The AQUI Soil Moisture Network for Satellite Microwave Remote Sensing Validation in South-Western France." Remote Sensing 10, no. 11 (2018): 1839. http://dx.doi.org/10.3390/rs10111839.

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Global soil moisture (SM) products are currently available thanks to microwave remote sensing techniques. Validation of these satellite-based SM products over different vegetation and climate conditions is a crucial step. INRA (National Institute of Agricultural Research) has set up the AQUI SM and soil temperature in situ network (composed of three main sites Bouron, Bilos, and Hermitage), over a flat area of dense pine forests, in South-Western France (the Bordeaux–Aquitaine region) to validate the Soil Moisture and Ocean salinity (SMOS) satellite SM products. SMOS was launched in 2009 by th

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A., Dayalan, Meera P., Balaraju K., Agastian P., and lgnasimuthu S. "Halocobaloximes containing axially coordinated imidazole or histidine : Microwave assisted synthesis, characterization and antibacterial activity." Journal of Indian Chemical Society Vol. 86, Jun 2009 (2009): 628–32. https://doi.org/10.5281/zenodo.5811815.

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Department of Chemistry, Department of Plant Biology and Biotechnology, Entomology Research Institute, Loyola College (Autonomous), Chennai-600 034, India <em>E-mail: </em>dayalan77@gmail.com    Fax : 91-44-28175566 <em>Manuscript received 18 August 2008, revised 25 February 2009, accepted 26 February 2009</em> The complexes of the type <em>trans</em>-[Co(dmgH)<sub>2</sub>(L)X] where dmgH<sup>- </sup>= dimethylglyoximate, L = imidazole (lmi) or histidine (His) and X<sup>-</sup> = Cl<sup>-</sup>, Br<sup>-</sup> or I<sup>-</sup> were synthesized and characterized by elem

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Lin, Yanyun, Peng Gao, Yichen Guo, et al. "Effects of Long-Term Exposure to L-Band High-Power Microwave on the Brain Function of Male Mice." BioMed Research International 2021 (September 4, 2021): 1–9. http://dx.doi.org/10.1155/2021/2237370.

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Currently, the impact of electromagnetic field (EMF) exposure on the nervous system is an increasingly arousing public concern. The present study was designed to explore the effects of continuous long-term exposure to L-band high-power microwave (L-HPM) on brain function and related mechanisms. Forty-eight male Institute of Cancer Research (ICR) mice were exposed to L-HPM at various power densities (0.5, 1.0, and 1.5 W/m2) and the brain function was examined at different time periods after exposure. The morphology of the brain was examined by hematoxylin-eosin (HE) and deoxynucleotidyl transfe

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Balaram, V., T. Gnaneshwara Rao, and K. V. Anjaiah. "International Proficiency Tests for Analytical Geochemistry Laboratories: An Assessment of Accuracy and Precision in Routine Geochemical Analysis." Journal Geological Society of India 53, no. 4 (1999): 417–23. http://dx.doi.org/10.17491/jgsi/1999/530404.

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Abstract The results of Second International Proficiency Test (GeoPT2) obtained at the Geochemical Laboratory of National Geophysical Research Institute are presented. Estimation of 33 trace elements including all the fourteen rare earths obtained by ICP-MS in Bardon Volcanic Tuff Samples (OU-1) are compared with the assigned values. Sample decomposition method and other relevant details of the analytical procedures adopted are presented. Depending upon the 'Z-scores' calculated, the fitness of the data for either "pure geochemistry" or "applied geochemistry" was assessed. An overview of 'Z-sc

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Madár, Viktor, János Gubó, and László Tóth. "Dehydrating Using Combined Energy Intake Method." Hungarian Agricultural Engineering, no. 41 (2022): 24–37. http://dx.doi.org/10.17676/hae.2022.41.24.

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Our paper introduces the research and development of a new, continuously operational food dehydrator, and the prototype of said machine. Conditions related to heating technology are required for dehydrators that prevent the vegetables and fruits from suffering too much damage to their internal components. In the new system, traditional convective heat transfer was combined with microwave dehydration, which is well-known for its better efficiency. The final goal is to create an industrial system that can satisfy both small works and industrial demands, while being more energy efficient than tra

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Manvi, Jain, Sharma Maneesh, Gaur Manoj, Devi S. Ashok Tara, Dureja P., and V. Eswaran S. "1-( 4-Nitrophenyl)-4-phenyl-1H-1 ,2,3-triazole vs 5(6)-nitrobenzofuroxan formation and their antifungal activity." J. Indian Chem. Soc. Vol. 88, Apr 2011 (2011): 543–46. https://doi.org/10.5281/zenodo.5766992.

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Department of Chemistry, St. Stephen's College, University of Delhi, Delhi-110 007, India <em>E-mail</em> : sv .eswaran@gmail.com Department of Biology, University of Massachussets, Boston, MA, USA Division of Agricultural Chemicals, Indian Agricultural Research Institute, New Delhi-110 012, India <em>Manuscript received 21 January 2010, revised 08 June 2010, accepted 16 July 2010</em> 2,4-Dinitrophenylazide was subjected to 'Click' reaction thermally in the presence of phenyl acetylene and copper sulphate, sodium ascorbate as catalysts. In this reaction instead of the desired 1-(4

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