Log in

Relevant bibliographies by topics / IR and microwave data / Journal articles

To see the other types of publications on this topic, follow the link: IR and microwave data.

Journal articles on the topic 'IR and microwave data'

Author: Grafiati

Published: 2 June 2025

Last updated: 31 July 2025

Create a spot-on reference in APA, MLA, Chicago, Harvard, and other styles

Select a source type:

Consult the top 50 journal articles for your research on the topic 'IR and microwave data.'

Next to every source in the list of references, there is an 'Add to bibliography' button. Press on it, and we will generate automatically the bibliographic reference to the chosen work in the citation style you need: APA, MLA, Harvard, Chicago, Vancouver, etc.

You can also download the full text of the academic publication as pdf and read online its abstract whenever available in the metadata.

Browse journal articles on a wide variety of disciplines and organise your bibliography correctly.

1

Reynolds, Richard W., Chelle L. Gentemann, and Gary K. Corlett. "Evaluation of AATSR and TMI Satellite SST Data." Journal of Climate 23, no. 1 (2010): 152–65. http://dx.doi.org/10.1175/2009jcli3252.1.

Full text

Abstract:

Abstract The purpose of this paper is to investigate two satellite instruments for SST: the infrared (IR) Advanced Along Track Scanning Radiometer (AATSR) and the microwave (MW) Tropical Rainfall Measuring Mission (TRMM) Microwave Imager (TMI). Because of its dual view, AATSR has a potential for lower biases than other IR products such as the Advanced Very High Resolution Radiometer (AVHRR), while the tropical TMI record was available for a longer period of time than the global MW instrument, the Advanced Microwave Scanning Radiometer (AMSR). The results show that the AATSR IR retrievals are g

APA, Harvard, Vancouver, ISO, and other styles

2

Adler, Robert F., George J. Huffman, and Peter R. Keehn. "Global tropical rain estimates from microwave‐adjusted geosynchronous IR data." Remote Sensing Reviews 11, no. 1-4 (1994): 125–52. http://dx.doi.org/10.1080/02757259409532262.

Full text

APA, Harvard, Vancouver, ISO, and other styles

3

Viju, Kumar V. G., P. Sreeshma, and V. G. Vidya. "Synthesis and Characterization of Cobalt- Zinc Oxide Nanoparticles via Microwave assisted Polyol Method." Research Journal of Chemistry and Environment 27, no. 10 (2023): 21–26. http://dx.doi.org/10.25303/2710rjce021026.

Full text

Abstract:

This work involves the synthesis of cobalt zinc oxide nanoparticles using a simple green method and their characterization using various techniques. Green synthesis is carried out using polyol medium and microwave heating. Polyol medium minimizes the use of chemicals while microwaves provided an energy efficient method for heating. Ethylene glycol is used as solvent along with polyvinylpyrrolidone and hydrazinium hydroxide. Domestic microwave oven is used as source for microwaves. Nanoparticles collected after washing are calcined at three different temperatures: 773 K, 973K, 1173 K. They are

APA, Harvard, Vancouver, ISO, and other styles

4

Stiefvater, Otto L. "High-Resolution Vibrational Spectra of Furazan II. The B1 Fundamental ν 11 at ~ 1175 cm–1 from Fourier-Transform Infrared Spectroscopy". Zeitschrift für Naturforschung A 47, № 3 (1992): 499–506. http://dx.doi.org/10.1515/zna-1992-0310.

Full text

Abstract:

Abstract The high-resolution FT-IR spectrum of the A-type fundamental ν11 of furazan ( C2H2N20) has been recorded and analysed against the background of rotational information from DRM microwave spectroscopy to yield the band origin as ν110= 1175.3377 + 0.0001 cm-1 . The combined use of microwave (MW) and FT-IR data gives this band origin with a statistical uncertainty of σ= 10-6cm-1 and leads to a refinement of the rotational constants of the state ν11 = 1 over those derivable from either MW or FT-IR data alone

APA, Harvard, Vancouver, ISO, and other styles

5

ADLER, R., A. NEGRI, and I. HAKKARINEN. "Rain estimation from combining geosychronous IR and low-orbit microwave data." Global and Planetary Change 4, no. 1-3 (1991): 87–92. http://dx.doi.org/10.1016/0921-8181(91)90076-9.

Full text

APA, Harvard, Vancouver, ISO, and other styles

6

Purnama, Dendi Rona, Nadya Safira, Wiliam Wiliam, and Arif Ripcy Pradana. "Perbandingan Performa Model Weather Research and Forecasting Asimilasi Data Advanced Microwave Sounding Unit-A, Microwave Humidity Sounder, dan Himawari-8 dalam Memprediksi Curah Hujan di Wilayah Tangerang." Jurnal Fisika 11, no. 1 (2021): 37–52. http://dx.doi.org/10.15294/jf.v11i1.29727.

Full text

Abstract:

Informasi prakiraan cuaca khususnya di wilayah Tangerang penting untuk diketahui, karena frekuensi banjir akibat cuaca ekstrem semakin meningkat. Dalam NWP, teknik asimilasi dikembangkan untuk memperbaiki kondisi awal model. Penelitian ini bertujuan untuk mengetahui pengaruh asimilasi data satelit cuaca WRF-3DVAR dalam memprediksi hujan di wilayah Tangerang tanggal 21 Januari 2019. Empat eksperimen yang dijalankan pada penelitian ini adalah asimilasi dengan Himawari-8 kanal IR (DA-IR), Himawari-8 kanal WV (DA-WV), gabungan sensor AMSU-A dan MHS (DA-AM), serta tanpa asimilasi (CTRL). Hasilnya,

APA, Harvard, Vancouver, ISO, and other styles

7

Yatsevich, S., V. Yefimov, and D. Bychkov. "STUDY OF SOIL CHARACTERISTICS USING AEROSPACE IMAGES." Slovak international scientific journal, no. 95 (May 15, 2025): 13–17. https://doi.org/10.5281/zenodo.15427530.

Full text

Abstract:

Work examines questions of processing of remote sensing of agricultural fields. Based on fractal processing methods of IR and radar image shows the possibility of separating the different types of soil.

APA, Harvard, Vancouver, ISO, and other styles

8

Gacitúa, Guisella, Jacob Lorentsen Høyer, Sten Schmidl Søbjærg, et al. "Shipborne comparison of infrared and passive microwave radiometers for sea surface temperature observations." Geoscientific Instrumentation, Methods and Data Systems 13, no. 2 (2024): 373–91. https://doi.org/10.5194/gi-13-373-2024.

Full text

Abstract:

Abstract. In the spring of 2021, a shipborne comparison of sea surface temperature (SST) measurements was undertaken using thermal infrared (IR) and passive microwave (PMW) radiometers. The Danish Meteorological Institute (DMI) and the Technical University of Denmark (DTU) jointly deployed two IR and two PMW instruments aboard the Norröna ferry, which traversed between Denmark and Iceland for a week. The primary objective was to assess the proximity-based comparison of IR and PMW measurements, minimizing atmospheric influences and providing valuable insights into reconciling IR- and PMW-derive

APA, Harvard, Vancouver, ISO, and other styles

9

Bhim, Prasad Pradhan, Debnath Utpal, and Ghosh Pranab. "Microwave assisted one-pot synthesis of cholesterol derivatives." Journal of Indian Chemical Society Vol. 92, Mar 2015 (2015): 383–86. https://doi.org/10.5281/zenodo.5678732.

Full text

Abstract:

Natural Product and Polymer Chemistry Laboratory, Department of Chemistry, University of North Bengal, Darjeeling-734 013, West Bengal, India <em>E-mail</em> : pizy12@yahoo.com Fax : 91-353-2699001 <em>Manuscript received online 30 August 2012, revised 19 August 2014, accepted 15 September 2014</em> Microwave induced one-pot synthesis of cholest-4-en-7β-ol from 7-oxocholest-3,5-dien has been performed. The structure of the compound has been confirmed by spectral data (IR, NMR and Mass) and by comparison with already reported physical data.

APA, Harvard, Vancouver, ISO, and other styles

10

Stiefvater, Otto L., and Stefan Klee. "High-Resolution Vibrational Spectra of Furazan IV. The Aj Fundamental v2 at ~ 1418 cm-1 from Fourier-Transform Infrared Spectroscopy." Zeitschrift für Naturforschung A 48, no. 5-6 (1993): 692–98. http://dx.doi.org/10.1515/zna-1993-5-619.

Full text

Abstract:

Abstract The band origin of the A1 mode v2 , which represents the symmetrical stretching vibration of the two C = N bonds of furazan, has been determined from the high-resolution FT-IR band as v20 = 1418.4724± 0.0001 cm-1. The rotational parameters of this excited state, as determined in a preceding DRM microwave study, have been confirmed and their precision was raised through the combined fit of microwave data and of some 2500 rovibrational transitions.The use of conjugate low-J Q-branch lines for the determination of the origin of a B-type IR band of an asymmetric rotor is illustrated.

APA, Harvard, Vancouver, ISO, and other styles

11

Moradizadeh, Mina, Prashant K. Srivastava, and George P. Petropoulos. "Synergistic Evaluation of Passive Microwave and Optical/IR Data for Modelling Vegetation Transmissivity towards Improved Soil Moisture Retrieval." Sensors 22, no. 4 (2022): 1354. http://dx.doi.org/10.3390/s22041354.

Full text

Abstract:

Vegetation cover and soil surface roughness are vital parameters in the soil moisture retrieval algorithms. Due to the high sensitivity of passive microwave and optical observations to Vegetation Water Content (VWC), this study assesses the integration of these two types of data to approximate the effect of vegetation on passive microwave Brightness Temperature (BT) to obtain the vegetation transmissivity parameter. For this purpose, a newly introduced index named Passive microwave and Optical Vegetation Index (POVI) was developed to improve the representativeness of VWC and converted into veg

APA, Harvard, Vancouver, ISO, and other styles

12

Di Paola, F., D. Casella, S. Dietrich, et al. "Combined MW-IR Precipitation Evolving Technique (PET) of convective rain fields." Natural Hazards and Earth System Sciences 12, no. 11 (2012): 3557–70. http://dx.doi.org/10.5194/nhess-12-3557-2012.

Full text

Abstract:

Abstract. This paper describes a new multi-sensor approach for convective rain cell continuous monitoring based on rainfall derived from Passive Microwave (PM) remote sensing from the Low Earth Orbit (LEO) satellite coupled with Infrared (IR) remote sensing Brightness Temperature (TB) from the Geosynchronous (GEO) orbit satellite. The proposed technique, which we call Precipitation Evolving Technique (PET), propagates forward in time and space the last available rain-rate (RR) maps derived from Advanced Microwave Sounding Units (AMSU) and Microwave Humidity Sounder (MHS) observations by using

APA, Harvard, Vancouver, ISO, and other styles

13

Budiati, Tutuk, Stephanie D.A., and Elisabeth Catherina Widjajakusuma. "RAPID SOLVENT-FREE MICROWAVE ASSISTED SYNTHESIS OF SOME N’-BENZYLIDENE SALICYLIC ACID HYDRAZIDES." Indonesian Journal of Chemistry 12, no. 2 (2012): 163–66. http://dx.doi.org/10.22146/ijc.21357.

Full text

Abstract:

Condensation reaction has been carried out for the synthesis of some N'-benzylidene-2-hydroxybenzohydrazides using microwave assisted solvent-free method. The structures of all the products obtained in the present work are supported by spectral and analytical data (UV, IR, and 1H-NMR spectroscopy). The desired hydrazides are in 62-80% yields under microwave irradiation. The reaction was completed in 8-10 min.

APA, Harvard, Vancouver, ISO, and other styles

14

Marinkovic, Aleksandar, Dusan Mijin, Jelena Mirkovic, Veselin Maslak, and Oliver Kappe. "A microwave approach to the synthesis of certain 4-substituted phenyl-6-phenyl-3-cyano-2-pyridones." Journal of the Serbian Chemical Society 79, no. 7 (2014): 759–65. http://dx.doi.org/10.2298/jsc130718145m.

Full text

Abstract:

A study of the synthesis of 4-substituted phenyl-6-phenyl-3-cyano-2-pyridones from 2-cyano-3-phenylsubstituted acrylates and acetophenone is presented. 2-Pyridones were obtained using conventional as well as microwave synthesis using solvent and solvent free reactions in domestic and lab microwave ovens. The structure of the obtained pyridones was confirmed by m.p., FT-IR, NMR and UV data.

APA, Harvard, Vancouver, ISO, and other styles

15

Biswa, Mohan Sahoo, Panda Jnyanaranjan, Krishna Banik Bimal, and Sahoo Binayani. "Microwave-mediated Green synthesis of oxadiazole derivatives against inflammatory disease." Journal of Indian Chemical Society Vol. 95, Nov 2018 (2018): 1307–10. https://doi.org/10.5281/zenodo.5652520.

Full text

Abstract:

Department of Pharmacy, Vikas Group of Institution, Nunna-521 212, Vijayawada Rural, Andhra Pradesh, India E-mail: drbiswamohansahoo@gmail.com Department of Pharmaceutical Chemistry, Roland Institute of Pharmaceutical Sciences, Berhampur-760 010, Odisha, India Community Health System of South Texas, Edinburg, Texas 78539, USA <em>Manuscript received 30 September 2018, accepted 01 November 2018</em> A rapid and efficient microwave-mediated Green synthesis of oxadiazole derivatives <strong>(2a-e) </strong>is described based on reac

APA, Harvard, Vancouver, ISO, and other styles

16

Bao, Y., J. Xu, A. M. Powell Jr., M. Shao, J. Min, and Y. Pan. "Impacts of AMSU-A, MHS and IASI data assimilation on temperature and humidity forecasts with GSI–WRF over the western United States." Atmospheric Measurement Techniques 8, no. 10 (2015): 4231–42. http://dx.doi.org/10.5194/amt-8-4231-2015.

Full text

Abstract:

Abstract. Using NOAA's Gridpoint Statistical Interpolation (GSI) data assimilation system and NCAR's Advanced Research WRF (Weather Research and Forecasting) (ARW-WRF) regional model, six experiments are designed by (1) a control experiment (CTRL) and five data assimilation (DA) experiments with different data sets, including (2) conventional data only (CON); (3) microwave data (AMSU-A + MHS) only (MW); (4) infrared data (IASI) only (IR); (5) a combination of microwave and infrared data (MWIR); and (6) a combination of conventional, microwave and infrared observation data (ALL). One-month expe

APA, Harvard, Vancouver, ISO, and other styles

17

Bao, Y., J. Xu, A. M. Powell Jr., and M. Shao. "Impacts of AMSU-A/MHS and IASI data assimilation on temperature and humidity forecasts with GSI/WRF over the Western United States." Atmospheric Measurement Techniques Discussions 8, no. 6 (2015): 6439–67. http://dx.doi.org/10.5194/amtd-8-6439-2015.

Full text

Abstract:

Abstract. Using NOAA's Gridpoint Statistical Interpolation (GSI) data assimilation system and NCAR's Advanced Research WRF (ARW-WRF) regional model, six experiments are designed by (1) control experiment (CTRL) and five data assimilation (DA) experiments with different data sets including (2) conventional data only (CON), (3) microwave data (AMSU-A + MHS) only (MW), (4) infrared data (IASI) only (IR), (5) combination of microwave and infrared data (MWIR), (6) combination of conventional, microwave and infrared observation data (ALL). One month experiments in July 2012 and impacts of the DA on

APA, Harvard, Vancouver, ISO, and other styles

18

Nasri, Noor Shawal, Ramlan Noorshaheeda, Usman Dadum Hamza, Jibril Mohammed, Murtala Musa Ahmed, and Husna Mohd Zain. "Enhancing Sustainable Recycle Solid Waste to Porous Activated Carbon for Methane Uptake." Applied Mechanics and Materials 705 (December 2014): 19–23. http://dx.doi.org/10.4028/www.scientific.net/amm.705.19.

Full text

Abstract:

Potential agro wastes (i.e palm kernel shell and coconut shell) for producing low cost activated carbon (AC) was investigated. In this study, the activated carbon was produced by carbonization, chemical impregnation with KOH and microwave irradiation. The pyrolysis was carried out at 700 °C in an inert environment for 2 h. Microwave activation was carried out at 400W for 6 minutes. Characteristics of the material were investigated using Fourier transform infrared spectroscopy (FT-IR) analysis and scanning electrode microscopy (SEM). Methane adsorption equilibrium data on the activated carbons

APA, Harvard, Vancouver, ISO, and other styles

19

Amalia, Nur Halisa, Muhammad Siddik, Didik Dwi Sanyoto, Bambang Dwi Putranto, and Husna Dharma Putera. "Literature Review: Perbandingan Efektivitas Pemberian Microwave Diathermy dengan Infra Red terhadap Pengurangan Nyeri Osteoartritis Lutut." Homeostasis 5, no. 2 (2022): 435. http://dx.doi.org/10.20527/ht.v5i2.6294.

Full text

Abstract:

Abstract: Knee osteoarthritis (OA) is the most common knee pain complaint. Non pharmacological therapy, including microwave diathermy therapy (MWD) and infra red therapy (IR) is one of the treatment options. Both work in tissue repair, increase metabolic processes, and reduces inflammation in knee OA by electromagnetic radiation hyperthermia. The purpose of this literature review was to analyze comparison of the effectiveness of MWD and IR in reducing pain intensity in knee OA patients. The data were collected by analyzing literature from several databases, namely PubMed-NCBI, ProQuest, Scienc

APA, Harvard, Vancouver, ISO, and other styles

20

Ozyalcin, Zehra Ozden, and Azmi Seyhun Kipcak. "The Effect of Ultrasonic Pre-Treatment on the Temperature Controlled Infrared Drying of Loligo Vulgaris and Comparison with the Microwave Drying." Turkish Journal of Fisheries and Aquatic Sciences 21, no. 03 (2020): 135–45. http://dx.doi.org/10.4194/1303-2712-v21_3_04.

Full text

Abstract:

In this study the effect of ultrasonic pre-treatment (US-IR) on the thin-layer infrared (IR) drying kinetics and modelling of Loligo Vulgaris (Squid) were studied and obtained data were compared with the microwave drying (MW). In each three methods, effective moisture diffusivities (Deff) and activation energies (Ea) were determined. According to the drying curves Loligo Vulgaris the highest drying times were found in IR and the lowest drying times were found in MW methods. Therefore, ultrasonic pretreatment decreased the drying times. Drying takes place in the falling-rate period generally. M

APA, Harvard, Vancouver, ISO, and other styles

21

Favrichon, Samuel, Catherine Prigent, and Carlos Jiménez. "A Method to Downscale Satellite Microwave Land-Surface Temperature." Remote Sensing 13, no. 7 (2021): 1325. http://dx.doi.org/10.3390/rs13071325.

Full text

Abstract:

High-spatial-resolution land-surface temperature is required for several applications such as hydrological or climate studies. Global estimates of surface temperature are available from sensors observing in the infrared (IR), but without ‘all-weather’ observing capability. Passive microwave (MW) instruments can also be used to provide surface-temperature measurements but suffer from coarser spatial resolutions. To increase their resolution, a downscaling methodology applicable over different land environments and at any time of the day is proposed. The method uses a statistical relationship be

APA, Harvard, Vancouver, ISO, and other styles

22

Mavadat, Maryam, Stéphane Turgeon, André Ricard, and Gaetan Laroche. "Characterization of Microwave Plasma for Polymer Surface Modification Using FTIR Emission Spectroscopy." Advanced Materials Research 409 (November 2011): 797–801. http://dx.doi.org/10.4028/www.scientific.net/amr.409.797.

Full text

Abstract:

Infrared (IR) emission spectroscopy measurements were performed in N2 microwave discharges at pressures ranging from 0.5 to 3 Torr and powers of 200 and 300 W. Although emission spectroscopy in the infrared region has rarely been investigated, this technique has nevertheless provided numerous key data. For instance, numerical generation of spectra to match experimental FTIR emission data allowed estimating the plasma temperature.

APA, Harvard, Vancouver, ISO, and other styles

23

Bhagat, Sunita, Nutan Sharma, and Tejpal Singh Chundawat. "Synthesis of Some Salicylaldehyde-Based Schiff Bases in Aqueous Media." Journal of Chemistry 2013 (2013): 1–4. http://dx.doi.org/10.1155/2013/909217.

Full text

Abstract:

A new efficient and environmental friendly procedure for the synthesis of a series of salicylaldehyde-based schiff bases under microwave irradiation is described. The method is compared with the conventional method also. The present work involves condensation of salicylaldehyde with various aromatic amines in water under microwave irradiation. A judicious choice of the solvent and reaction conditions allowed the final products to be generated in excellent yields in a one-step procedure, whereas experiments under thermal conditions led to lower yields with tedious work-up. Microwave irradiation

APA, Harvard, Vancouver, ISO, and other styles

24

Namera, Dipti L., and Umed C. Bhoya. "Convenient Synthesis of the 2,5-di-Substituted 1,3,4-Oxadiazole Derivatives under Microwave." International Letters of Chemistry, Physics and Astronomy 30 (March 2014): 159–66. http://dx.doi.org/10.18052/www.scipress.com/ilcpa.30.159.

Full text

Abstract:

We have reported some novel 1,3,4-oxadiazole synthesized by conventional method as well as microwave assisted method. The reaction of different substituted cinnamic acid 2a-o with 2-(4-chlorophenyl) acetohydrazide by using phosphoric anhydride as catalyst, yielded a series of 2,5-di-substituted 1,3,4-oxadiazole 6a-o. The structures of all synthesized compounds are well characterized by Mass, FT-IR, 1H NMR, 13C NMR and elemental analysis. After obtaining experimental data regarding the yield and the time taken for the synthesis by both the methods, conventional and microwave assisted method, it

APA, Harvard, Vancouver, ISO, and other styles

25

Namera, Dipti L., and Umed C. Bhoya. "Convenient Synthesis of the 2,5-di-Substituted 1,3,4-Oxadiazole Derivatives under Microwave." International Letters of Chemistry, Physics and Astronomy 30 (March 12, 2014): 159–66. http://dx.doi.org/10.56431/p-j3277s.

Full text

Abstract:

We have reported some novel 1,3,4-oxadiazole synthesized by conventional method as well as microwave assisted method. The reaction of different substituted cinnamic acid 2a-o with 2-(4-chlorophenyl) acetohydrazide by using phosphoric anhydride as catalyst, yielded a series of 2,5-di-substituted 1,3,4-oxadiazole 6a-o. The structures of all synthesized compounds are well characterized by Mass, FT-IR, 1H NMR, 13C NMR and elemental analysis. After obtaining experimental data regarding the yield and the time taken for the synthesis by both the methods, conventional and microwave assisted method, it

APA, Harvard, Vancouver, ISO, and other styles

26

Sabatini, Mattia, Andrea Pisano, Claudia Fanelli, et al. "Preliminary Assessment of the Impact of the Copernicus Imaging Microwave Radiometer (CIMR) on the Copernicus Mediterranean Sea Surface Temperature L4 Analyses." Remote Sensing 17, no. 3 (2025): 462. https://doi.org/10.3390/rs17030462.

Full text

Abstract:

This study evaluates the potential impact of the Copernicus Imaging Microwave Radiometer (CIMR) mission on the sea surface temperature (SST) products of the Mediterranean Sea. Currently, infrared (IR) radiometers provide accurate, high-resolution SST measurements, but they are limited by their inability to see through clouds. Passive microwave (PMW) radiometers, on the other hand, offer monitoring capabilities in almost all weather conditions but typically at lower spatial resolutions. The CIMR mission represents a notable advance in microwave remote sensing of SSTs, as it will ensure a ≤15 km

APA, Harvard, Vancouver, ISO, and other styles

27

Namera, Dipti L., Khushal M. Kapadiya, Mitesh M. Chhatrola, and Umed C. Bhoya. "Microwave Assisted Synthesis of some Novel Sulphonamide Bearing Pyrazolone Core Structure." International Letters of Chemistry, Physics and Astronomy 30 (March 2014): 116–26. http://dx.doi.org/10.18052/www.scipress.com/ilcpa.30.116.

Full text

Abstract:

We have described some novel Sulphonamide bearing pyrazoline derivatives synthesized by conventional method as well as microwave assisted method of synthesis. The reaction of 4-(3-methyl-5-oxo-4,5-dihydro-1-H-pyrazol-1-yl)benzenesulphonamide with substituted benzaldehyde in the presence of Methanol as solvent and piperidine as catalyst, generated a series of substituted pyrazolone derivatives 4a-m. The structures of all synthesized compounds are well characterized by Mass spectroscopy, FT-IR, 1H NMR and elemental analysis. After obtaining experimental data regarding the yield and the time take

APA, Harvard, Vancouver, ISO, and other styles

28

Namera, Dipti L., Khushal M. Kapadiya, Mitesh M. Chhatrola, and Umed C. Bhoya. "Microwave Assisted Synthesis of some Novel Sulphonamide Bearing Pyrazolone Core Structure." International Letters of Chemistry, Physics and Astronomy 30 (March 12, 2014): 116–26. http://dx.doi.org/10.56431/p-d7mgbf.

Full text

Abstract:

We have described some novel Sulphonamide bearing pyrazoline derivatives synthesized by conventional method as well as microwave assisted method of synthesis. The reaction of 4-(3-methyl-5-oxo-4,5-dihydro-1-H-pyrazol-1-yl)benzenesulphonamide with substituted benzaldehyde in the presence of Methanol as solvent and piperidine as catalyst, generated a series of substituted pyrazolone derivatives 4a-m. The structures of all synthesized compounds are well characterized by Mass spectroscopy, FT-IR, 1H NMR and elemental analysis. After obtaining experimental data regarding the yield and the time take

APA, Harvard, Vancouver, ISO, and other styles

29

Behrangi, Ali, Bisher Imam, Kuolin Hsu, Soroosh Sorooshian, Timothy J. Bellerby, and George J. Huffman. "REFAME: Rain Estimation Using Forward-Adjusted Advection of Microwave Estimates." Journal of Hydrometeorology 11, no. 6 (2010): 1305–21. http://dx.doi.org/10.1175/2010jhm1248.1.

Full text

Abstract:

Abstract A new multiplatform multisensor satellite rainfall estimation technique is proposed in which sequences of Geostationary Earth Orbit infrared (GEO-IR) images are used to advect microwave (MW)-derived precipitation estimates along cloud motion streamlines and to further adjust the rainfall rates using local cloud classification. The main objective of the Rain Estimation using Forward-Adjusted advection of Microwave Estimates (REFAME) is to investigate whether inclusion of GEO-IR information can help to improve the advected MW precipitation rate as it gets farther in time from the previo

APA, Harvard, Vancouver, ISO, and other styles

30

Venkatesan, P., and K. Moorthi. "Microwave-Induced, Iodine-Alumina Catalyzed Transformations of 1-(2′-hydroxyaryl)-3-(2-chloroquinolin-3-yl)-prop-2-en-1-one." E-Journal of Chemistry 9, no. 2 (2012): 1017–21. http://dx.doi.org/10.1155/2012/354875.

Full text

Abstract:

The chalcone derivatives, 1-(2′-hydroxyaryl)-3-(2-chloroquinolin-3-yl)-prop-2-en-1-one was transformed to corresponding flavone derivatives by iodine impregnated neutral alumina under microwave irradiation. The synthesized flavone derivatives were structurally confirmed by elemental analysis, UV, IR and1H-NMR spectral data, and the notable yield obtained was compared with previously reported method.

APA, Harvard, Vancouver, ISO, and other styles

31

Biswa, Mohan Sahoo, Krishna Banik Bimal, and Kumar Mahato Arun. "Microwave-induced one-pot synthesis of pyrimidine-2(1H)-one derivatives as anti-inflammatory agents." Journal of Indian Chemical Society Vol. 95, Nov 2018 (2018): 1301–5. https://doi.org/10.5281/zenodo.5652518.

Full text

Abstract:

Department of Pharmacy, Vikas Group of Institution, Nunna-521 212, Vijayawada Rural, Andhra Pradesh, India E-mail: drbiswamohansahoo@gmail.com Community Health System of South Texas, Edinburg, Texas 78539, USA Department of Pharmaceutical Sciences, Sardar Bhagwan Singh University,  Dehradun-248 161, Uttarakhand, India <em>Manuscript received 28 September 2018, accepted 01 November 2018</em> A series of pyrimidine-2(1H)-one derivative were obtained by multi-component one-pot synthe

APA, Harvard, Vancouver, ISO, and other styles

32

Duan, Zhen Hua, Chang Yu Cheng, Yang Hai, and Ju Lan Wang. "Determination and Identification of Chondroitin Sulfate from Tilapia Byproducts." Advanced Materials Research 690-693 (May 2013): 1318–21. http://dx.doi.org/10.4028/www.scientific.net/amr.690-693.1318.

Full text

Abstract:

In order to probe the structure of chondroitin sulfate (CS) from tilapia fish, the CS was extracted from tilapia (Oreochromis niloticus) byproducts with the combination of ultrasonic and microwave, some means including high performance liquid chromatography (HPLC), infrared spectra (IR) and nuclear magnetic resonance (NMR) were used in this paper. The data of HPLC exhibited that the obtained chondroitin sulfate is of highly purity (98.78%). IR and NMR spectra indicated that the sample consisted of both chondroitin-4-sulfate and chondroitin-6-sulfate, and the proportion of chondroitin-6-sulfate

APA, Harvard, Vancouver, ISO, and other styles

33

Rathore, Kavita, Rajiv K. R. Singh, and H. B. Singh. "Structural, Spectroscopic and Biological Aspects of O, N- Donor Schiff Base Ligand and its Cr(III), Co(II), Ni(II) and Cu(II) Complexes Synthesized through Green Chemical Approach." E-Journal of Chemistry 7, s1 (2010): S566—S572. http://dx.doi.org/10.1155/2010/521843.

Full text

Abstract:

The monofunctional bidentate Schiff base ligand (o-vanillin)p-chloroaniline and its four new complexes of chromium(III), cobalt(II), nickel(II) and copper(II) have been synthesized by classical thermal and microwave-irradiated techniques. All the new derivatives have been characterized by elemental analysis, molecular weight determinations, molar conductance measurements, UV-Vis, IR and NMR spectral studies. The IR spectral data suggest the involvement of phenolic oxygen after deprotonation and azomethine nitrogen in coordination to the central metal ion. The growth inhibiting potential of the

APA, Harvard, Vancouver, ISO, and other styles

34

Noh, Young-Chan, Agnes H. N. Lim, Hung-Lung Huang, and Mitchell D. Goldberg. "Global Forecast Impact of Low Data Latency Infrared and Microwave Sounders Observations from Polar Orbiting Satellites." Remote Sensing 12, no. 14 (2020): 2193. http://dx.doi.org/10.3390/rs12142193.

Full text

Abstract:

The Direct Broadcast Network (DBNet) provides near-real-time delivery of low-earth-orbiting (LEO) meteorological satellites to operational numerical weather prediction (NWP) systems that need short data cut-off times to allow for the assimilation of the most recent satellite measurements. The NWP model requires timely delivery of observations including atmospheric temperature, humidity, and surface wind vectors. The World Meteorological Organization (WMO) Space Program (WSP) recommends the data latency of no more than 20 min for the satellite measurements. Currently, not all DBNet stations are

APA, Harvard, Vancouver, ISO, and other styles

35

Gorooh, Vesta Afzali, Ata Akbari Asanjan, Phu Nguyen, Kuolin Hsu, and Soroosh Sorooshian. "Deep Neural Network High Spatiotemporal Resolution Precipitation Estimation (Deep-STEP) Using Passive Microwave and Infrared Data." Journal of Hydrometeorology 23, no. 4 (2022): 597–617. http://dx.doi.org/10.1175/jhm-d-21-0194.1.

Full text

Abstract:

Abstract Recent developments in “headline-making” deep neural networks (DNNs), specifically convolutional neural networks (CNNs), along with advancements in computational power, open great opportunities to integrate massive amounts of real-time observations to characterize spatiotemporal structures of surface precipitation. This study aims to develop a CNN algorithm, named Deep Neural Network High Spatiotemporal Resolution Precipitation Estimation (Deep-STEP), that ingests direct satellite passive microwave (PMW) brightness temperatures (Tbs) at emission and scattering frequencies combined wit

APA, Harvard, Vancouver, ISO, and other styles

36

Zerbe-Foese, H., A. Guarnieri та O. L. Stiefvater. "Microwave and Millimeterwave Spectrum of 1,1-Difluoroethylene and the Vibrational Mode ν10 from FT-IR Spectroscopy". Zeitschrift für Naturforschung A 51, № 1-2 (1996): 53–62. http://dx.doi.org/10.1515/zna-1996-1-209.

Full text

Abstract:

Abstract Pure rotational spectra of 1,1-Difluoroethylene (1,1-DFE) in the vibrational ground state (GS) and in excited vibrational states (EVSs) have been investigated by double resonance modulation (DRM) microwave spectroscopy in the range from 12 GHz to 40 GHz, and by millimeterwave spectroscopy in the range from 90 to 260 GHz.In addition to the GS spectrum, rotational transitions have been observed for the EVSs ν10 = 1, and 2, ν12 = 1, ν6 = 1, ν11 = 1, ν4 = 1, and ν9 = 1. Along with other IR bands up to 1400cm-1 , the fundamental vibrational band ν10 = 1 ← 0 has been observed by FT-IR spect

APA, Harvard, Vancouver, ISO, and other styles

37

Ashok, Dongamanti, Velagapuri Rao, and Rangu Kavitha. "Microwave assisted synthesis of 2-(2-(tetrazolo[1,5-a]quinolin-4-yl)-2,3-dihydro-1h-benzo[b][1,4]diazepin-4-yl) substituted phenols and evaluation of their antimicrobial activity." Journal of the Serbian Chemical Society 81, no. 8 (2016): 851–58. http://dx.doi.org/10.2298/jsc150504041a.

Full text

Abstract:

A series of new benzodiazepines 4a-h have been synthesized by Michael addition of chalcones 3a-h with o-phenylenediamine (OPDA) in presence of sodium acetate under conventional heating and microwave irradiation. Structures of the newly synthesized benzodiazepines 4a-h have been established on the basis of IR, 1H & 13C NMR and mass spectral data and tested for antimicrobial activity.

APA, Harvard, Vancouver, ISO, and other styles

38

CHEN, YiLun, AoQi ZHANG, YunFei FU, Peng ZHANG, NaiMeng LU, and Qing HE. "A method and its retrieval application for collocating the FY-3 microwave and VIS/IR data." Chinese Science Bulletin 61, no. 26 (2016): 2939–51. http://dx.doi.org/10.1360/n972016-00102.

Full text

APA, Harvard, Vancouver, ISO, and other styles

39

Ekström, M., P. Eriksson, W. G. Read, and D. P. Murtagh. "Comparison of satellite limb-sounding humidity climatologies of the uppermost tropical troposphere." Atmospheric Chemistry and Physics Discussions 7, no. 4 (2007): 12617–55. http://dx.doi.org/10.5194/acpd-7-12617-2007.

Full text

Abstract:

Abstract. Humidity climatologies of the tropical uppermost troposphere from satellite limb emission measurements have been compared. Four instruments are considered; UARS-MLS, Odin-SMR, and Aura-MLS operating in the microwave region, and MIPAS in the IR region. A reference for the comparison is obtained by MOZAIC in-situ measurements. The upper tropospheric humidity products were compared on basis of their empirical probability density functions and seasonally averaged horizontal fields at two altitude layers, 12 and 15 km. The probability density functions of the microwave datasets were found

APA, Harvard, Vancouver, ISO, and other styles

40

Sathiyamoorthi, K., V. Mala, R. Suresh, et al. "Synthesis, Spectral Correlations and Antimicrobial Activities of some 2-Hydroxyphenyl-Styrylketone." International Letters of Chemistry, Physics and Astronomy 12 (September 2013): 102–19. http://dx.doi.org/10.18052/www.scipress.com/ilcpa.12.102.

Full text

Abstract:

Some 2’-hydroxyphenylchalcones have been synthesized under microwave irradiation by Claisen-Schmidt condensation between substituted 2-hydroxyacetophenone and substituted benzaldehydes using catalytic amount of SiO2-H3PO4. These chalcones were established by their physical constants and spectroscopic data published earlier. The UV, IR, 1H NMR and 13C NMR spectral data of these chalcone have correlated with Hammett substituent constants, F and R parameters. All the compounds have been subjected to screened for antimicrobial activity.

APA, Harvard, Vancouver, ISO, and other styles

41

Sathiyamoorthi, K., V. Mala, R. Suresh, et al. "Synthesis, Spectral Correlations and Antimicrobial Activities of some 2-Hydroxyphenyl-Styrylketone." International Letters of Chemistry, Physics and Astronomy 12 (April 20, 2013): 102–19. http://dx.doi.org/10.56431/p-l97qe5.

Full text

Abstract:

Some 2’-hydroxyphenylchalcones have been synthesized under microwave irradiation by Claisen-Schmidt condensation between substituted 2-hydroxyacetophenone and substituted benzaldehydes using catalytic amount of SiO2-H3PO4. These chalcones were established by their physical constants and spectroscopic data published earlier. The UV, IR, 1H NMR and 13C NMR spectral data of these chalcone have correlated with Hammett substituent constants, F and R parameters. All the compounds have been subjected to screened for antimicrobial activity.

APA, Harvard, Vancouver, ISO, and other styles

42

Layberry, R., D. R. Kniveton, M. C. Todd, C. Kidd, and T. J. Bellerby. "Daily Precipitation over Southern Africa: A New Resource for Climate Studies." Journal of Hydrometeorology 7, no. 1 (2006): 149–59. http://dx.doi.org/10.1175/jhm477.1.

Full text

Abstract:

Abstract This paper describes a new high-resolution multiplatform multisensor satellite rainfall product for southern Africa covering the period 1993–2002. The microwave infrared rainfall algorithm (MIRA) employed to generate the rainfall estimates combines high spatial and temporal resolution Meteosat infrared data with infrequent Special Sensor Microwave Imager (SSM/I) overpasses. A transfer function relating Meteosat thermal infrared cloud brightness temperatures to SSM/I rainfall estimates is derived using collocated data from the two instruments and then applied to the full coverage of th

APA, Harvard, Vancouver, ISO, and other styles

43

Li, Yunping, Ke Zhang, Andras Bardossy, Xiaoji Shen, and Yujia Cheng. "Evaluation and Error Decomposition of IMERG Product Based on Multiple Satellite Sensors." Remote Sensing 15, no. 6 (2023): 1710. http://dx.doi.org/10.3390/rs15061710.

Full text

Abstract:

The Integrated Multisatellite Retrievals for GPM (IMERG) is designed to derive precipitation by merging data from all the passive microwave (PMW) and infrared (IR) sensors. While the input source errors originating from the PMW and IR sensors are important, their structure, characteristics, and algorithm improvement remain unclear. Our study utilized a four-component error decomposition (4CED) method and a systematic and random error decomposition method to evaluate the detectability of IMERG dataset and identify the precipitation errors based on the multi-sensors. The 30 min data from 30 prec

APA, Harvard, Vancouver, ISO, and other styles

44

Kuznetsova, Aleksandra S., Nadezhda L. Pechnikova, Yuriy A. Zhabanov, et al. "Microwave-assisted synthesis and sublimation enthalpies of hemiporphyrazines." Journal of Porphyrins and Phthalocyanines 23, no. 03 (2019): 296–302. http://dx.doi.org/10.1142/s1088424619500263.

Full text

Abstract:

It was established that microwave irradiation solvent-free processing of 2,6- diaminopyridine or 1,3-phenylenediamine with phthalonitrile or 4-tert-butylphthalonitrile led to corresponding hemiporphyrazines with sufficiently high yields and a huge reduction in the time required for synthesis, from 8–12 h to 20 min. The data of IR and UV-vis spectroscopies and elemental analysis of the final products were found to be similar to those described in literature. The obtained hemiporphyrazines were characterized by 1H and [Formula: see text]C NMR data. We applied the Knudsen effusion method with mas

APA, Harvard, Vancouver, ISO, and other styles

45

Mohammed, Haneen J., and M. S. Magtoof. "Microwave assisted Synthesis of Some New 1,3-Oxazepines from Schiff Bases." INDIAN JOURNAL OF HETEROCYCLIC CHEMISTRY 34, no. 01 (2024): 77. http://dx.doi.org/10.59467/ijhc.2024.34.77.

Full text

Abstract:

The synthesis of four new 1,3-oxazepines was accomplished by the reaction between maleic anhydride with Schiff bases. The Schiff-bases (a1-a2) were prepared from the reaction of aromatic aldehyde with aromatic amines. The newly synthesized compounds were characterized by spectral (FlT-IR, 1H NMR, 13C NMR) and elemental analytical data.. KEYWORDS :1,3- Oxazepine, DMF, Maleic anhydride, Schiff-bases.

APA, Harvard, Vancouver, ISO, and other styles

46

Kuandykova, A. B., B. Zh Dzhiembaev, A. R. Burilov, et al. "Synthesis of new symmetrical diamidophosphates based on <i>meta</i>-phenylenediamine under microwave irradiation." Журнал общей химии 93, no. 6 (2023): 905–10. http://dx.doi.org/10.31857/s0044460x23050098.

Full text

Abstract:

A new series of diphosphorylated amidophosphates was obtained as a result of the reaction of meta -phenylenediamine with dialkylphosphites in the presence of CCl4 and triethylamine (Atherton-Todd reaction) under microwave irradiation. Structure of all the obtained amidophosphates was established on the basis of 31P, 1H, 13C NMR, IR spectroscopy and mass spectrometry methods, as well as single crystal X-ray diffraction and elemental analysis data.

APA, Harvard, Vancouver, ISO, and other styles

47

Petkovic-Cvetkovic, Jelena, Bojan Bozic, Nebojsa Banjac, et al. "Spectroscopic and quantum chemical elucidation of newly synthesized 1-aryl-3-methyl-3-phenylpyrrolidine-2,5-diones as potentional anticonvulsant agents." Chemical Industry 73, no. 2 (2019): 125–37. http://dx.doi.org/10.2298/hemind190214011p.

Full text

Abstract:

Novel succinimide derivatives were synthesized from 3-methyl-3-phenylsuccinic acid and substituted anilines under solvent-free conditions using the microwave irradiation. All obtained compounds were characterized by the UV, FT-IR, 1H and 13? NMR spectroscopy as well as by elemental analysis. The influence of the substituent electronic effects on the spectroscopic data has been analyzed applying the Hammett equation. Moreover, a detailed interpretation and comparison of experimentally obtained and theoretically calculated FT-IR, UV and NMR spectra have been performed. DFT calculated data of the

APA, Harvard, Vancouver, ISO, and other styles

48

Beniwal, Meenu, and Neelam Jain. "Microwave Assisted Synthesis, Characterization and Antimicrobial Screening of Thiazolidin-4-one Substituted Pyrazole Derivatives." Current Microwave Chemistry 6, no. 1 (2019): 44–53. http://dx.doi.org/10.2174/2213335606666190722144956.

Full text

Abstract:

Background: This paper describes the synthesis of novel thiazolidin-4-one substituted pyrazole derivatives from the condensation reaction of hydrazide with acetophenone derivatives. Herein we describe the synthesis of fourteen compounds by microwave irradiation method. The synthesized compounds are in excellent yield by utilizing microwave irradiation heating. Objective: Compounds using different aromatic or heteroaromatic compounds should be synthesized and screened for their antibacterial activity to explore the possibility of pyrazole substituted thiazolidin- 4-ones as a novel series of ant

APA, Harvard, Vancouver, ISO, and other styles

49

Pankoke, B., K. M. T. Yamada, and G. Winnewisser. "High Resolution IR-Spectra of Furane and Thiophene." Zeitschrift für Naturforschung A 48, no. 12 (1993): 1193–202. http://dx.doi.org/10.1515/zna-1993-1207.

Full text

Abstract:

Åbstract The spectra of the out-of-plane fundamental band of furane (C4H4O) centered at 744 cm -1 and of thiophene (C4H4S) at 712 cm -1 were measured in Doppler-limited resolution with a diode-laser spectrometer at Köln and with a high-resolution Fourier transform spectrometer at the University of Gießen. An interactive Loomis-Wood program was applied to identify the c-type transitions of furane and thiophene. The molecular parameters were determined from the observed line positions and the available microwave data by least-squares-fits using Watson's A-reduced Hamiltonian. Some relations amon

APA, Harvard, Vancouver, ISO, and other styles

50

Khatun, Sheauly, M. Z. H. Khan, Khodeza Khatun, and M. A. Sattar. "Microwave-Assisted Synthesis of Arylidene Acetophenones." Journal of Engineering 2013 (2013): 1–5. http://dx.doi.org/10.1155/2013/429785.

Full text

Abstract:

An efficient synthesis of arylidene acetophenones have been achieved by using the microwave heating in comparison to the conventional heating. In this work compound 1-phenyle-3-(4-droxyphenyle)-2-propen-1-one, 1-(4-chlorophenyle)-3-phenyle-2-propen-1-one, and 1-(4-chlorophenyle)-3-(4-hydroxyphenyle)-2-propen-1-one have been synthesized by the condensation reaction between aromatic aldehydes and substituted acetophenones under microwave irradiation. The compounds of aldehydes and acetophenones were used as benzaldehyde, parahydroxybenzaldehyde, acetophenone, and parachloroacetophenone. The resu

APA, Harvard, Vancouver, ISO, and other styles

We offer discounts on all premium plans for authors whose works are included in thematic literature selections. Contact us to get a unique promo code!