Showing 361 - 380 results of 847 for search '"aromaticity"', query time: 0.05s Refine Results
  1. 361

    Florida Woods Cockroach Eurycotis floridana (Walker) by Christopher S. Bibbs, Rebecca W. Baldwin

    Published 2012-01-01
    “…It is one of the species commonly referred to as palmetto bugs and is also called a “stinkroach” or “skunk cockroach” due to its aromatic defensive secretions. This 6-page fact sheet was written by Christopher S. …”
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  2. 362

    Synthesis and Pharmacological Evaluation of 2-(4-Halosubstituted phenyl)-4,5-diphenyl-1H-imidazoles by G. Nagalakshmi

    Published 2008-01-01
    “…In the present study, 2-(4-halosubstituted phenyl)-4,5-diphenyl-1Himidazoles have been synthesized by refluxing benzil and ammonium acetate with different 4-halosubstituted aromatic aldehydes in glacial acetic acid. The structural assignment of this compound has been made on the basis of elemental analysis, UV, IR, 1H NMR and Mass spectral data. …”
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  3. 363

    Synthesis and Antimicrobial Activity of Some Aldehyde Derivatives of 3-Acetylchromen-2-one by B. Lakshminarayanan, V. Rajamanickam, T. Subburaju, L. A. Pradeep Rajkumar, H. Revathi

    Published 2010-01-01
    “…Some new 3-(substituted)-chromen-2-one have been synthesized by condensation of 3-acetylchromen-2-one with various aromatic aldehyde in presence of ethanol and alkali. …”
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    Article
  4. 364

    Emission Characteristics of Volatile Organic Compounds from Typical Coal Utilization Sources: A Case Study in Shanxi of Northern China by Yang Xu, Hualong Yu, Yulong Yan, Lin Peng, Rumei Li, Cheng Wang, Zhiyong Li

    Published 2021-05-01
    “…Finally, alkenes were primarily responsible for the ozone formation (73.1%, 59.0%, and 87.6% for the power plants, steel plants, and residential stoves, respectively), whereas aromatics were primarily responsible for the SOA formation (more than 94.0% for all four coal-utilizing sources).…”
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  5. 365
  6. 366

    Physical and Cup Quality Attributes of Arabica Coffee (Coffea arabica L.) Varieties Grown in Highlands of Amhara Region, Northwestern Ethiopia by Melese Wale Mengistu, Melkamu Alemayehu Workie, Abrar Sualeh Mohammed

    Published 2020-01-01
    “…Physical (length and width of coffee beans, 100 bean weight, screen sizes, and raw quality) and cup quality (aromatic intensity, aromatic quality, acidity, astringency, bitterness, body, flavor, overall standard, and total cup quality) parameters, as well as total coffee quality, were evaluated by a team of certified panelists at Jimma Agricultural Research Center. …”
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  7. 367

    Public Health Risks Associated with Food Process Contaminants – A Review by Ahmadullah Zahir, Zhiwen Ge, Iftikhar Ali Khan

    Published 2025-02-01
    “…Food process contaminants can be introduced during diverse phases of food processing such as drying, heating, grilling, and fermentation, resulting in the synthesis of harmful chemicals including acrylamide (AA), advanced glycation end products (AGEs), heterocyclic aromatic amines (HAAs), furan and its naturally occurring derivatives, polycyclic aromatic hydrocarbons (PAHs), N-nitroso compounds (NOCs), 2-chloropropane-1,2-diol esters (2-MCPDE), and 3-chloropropane-1,2-diol esters (3-MCPDE), ethyl carbamate (EC), glycidyl esters (GE), and 4-methylimidazole (4-MEI), all of these are harmful to human health. …”
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    Article
  8. 368

    Effect of Retorting Temperature on the Pyrolysis Characteristic of Longkou Oil Shale by Wei Wang, Yue Ma, Shuyuan Li, Changtao Yue, Jiancun Gao

    Published 2021-01-01
    “…It was demonstrated that the higher temperature was beneficial to promoting the reaction of aromatization, dehydrogenation, fraction, and other reactions in the pyrolysis process.…”
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  9. 369

    Pyrus communis, Common Pear by Michael G. Andreu, Melissa H. Friedman, Robert J. Northrop

    Published 2012-10-01
    “…The showy flowers and manageable height of common pear makes it a favorable ornamental landscape tree. Some find the aromatic flowers and sweet edible fruits to be an additional plus; however, a pollinator specimen must be nearby in order for the female tree to produce fruit. …”
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  10. 370

    Pyrus communis, Common Pear by Michael G. Andreu, Melissa H. Friedman, Robert J. Northrop

    Published 2012-10-01
    “…The showy flowers and manageable height of common pear makes it a favorable ornamental landscape tree. Some find the aromatic flowers and sweet edible fruits to be an additional plus; however, a pollinator specimen must be nearby in order for the female tree to produce fruit. …”
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    Article
  11. 371

    FATTY ACID COMPOSITION AND ANTIOXIDANT ACTIVITY OF CAMELLIA NINHII SEED OIL COLLECTED IN LAM DONG PROVINCE by Thi Tu Quyen Tran, Thi Diep Trinh, Thi To Uyen Nguyen, Van Son Le

    Published 2022-03-01
    “…In addition, other fatty acids, palmitic, linoleic, pentadecanoic, and two aromatic acids, benzoic and cinnamic, were present. …”
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  12. 372

    Synthesis and Thermotropic Properties of Some New Schiff Bases, N-[4-(4-n-Alkanoyloxybenzoyloxy)-2-Hydroxybenzylidene]-4-Cyano-, 4-Hydroxy-, 4-Thio- and 4-Nitroanilines by Sie-Tiong Ha, Guan-Yeow Yeap, Peng-Lim Boey

    Published 2012-01-01
    “…A series of elongated Schiff base esters containing three aromatic rings with hexadecanoyl chain as one of the terminal group and various R substituents (R = CN, OH, SH, and NO2) at the other end of molecule were prepared, and their structures were confirmed via physical measurement. …”
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  13. 373

    Reactions of Chlorine Gas on Benzaldehyde-di-n-alkyl Acetals by A. Edwin Vasu, K. Joseph Santhanaraj, S. Raja

    Published 2008-01-01
    “…Reactions of chlorine gas on six aromatic acetals, the benzaldehyde di-n-alkyl acetals, C6H4-CH(OR)2 where R=ethyl (1a), n-propyl (2a), n-butyl (3a), isobutyl (4a), n-amyl (5a) and isoamyl (6a) were studied. …”
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  14. 374

    Synthesis of 1H-pyrazolo[3,4-b]pyridine analogues by Yen Nguyen, Greg Petruncio, Schroeder M. Noble, Mikell Paige

    Published 2025-03-01
    “…In this work, we have prepared a series of 1H-pyrazolo[3,4-b]pyridine-4-carboxylic acid analogues through the condensation of 5-aminopyrazoles with aromatic aldehydes and pyruvic acid. We then converted the carboxylic acid handle on these heterocycles into the corresponding sodium salt, which improved the water solubility.…”
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  15. 375

    Synthesis and Characterization of 6-Carbamoyl-1,2-dihydropurines by Asieh Yahyazadeh, Fatemah Hossaini

    Published 2007-01-01
    “…The aromatic amines react readily with (Z)-N-(2-amino-1,2-dicyanovinyl)formimidate (4) to give the amidines (5a-b), which cyclize in the presence of DBU (1,8-diazabicyclo[5.4.0]undec-7-ene) to give the corresponding 2-(5-Amino-1-phenyl-1H-imidazol-4-yl)-2-iminoacetonitrile (6a-b), which can be isolated. …”
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  16. 376

    4-Chlorocurcumin by Phuong-Truc T. Pham, Mamoun M. Bader

    Published 2025-01-01
    “…In the crystal, the molecules are linked into [201] chains by O—H...O hydrogen bonds and weak aromatic π–π stacking is also observed with a shortest centroid–centroid separation of 3.7279 (8) Å.…”
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  17. 377

    Improving the charge transport of perovskite nanocrystal light-emitting-diodes through Benzylammonium ligand exchange by Minsik Gong, Dong Gyu Lee, Gwang Yong Shin, Yun Seop Shin, Donghwan Yun, Yunhye Jeong, Sang Wook Park, Chan Beom Park, Yung Jin Yoon, Sung Yong Bae, Yun-Hi Kim, Jin Young Kim, Tae Kyung Lee, Gi-Hwan Kim

    Published 2025-03-01
    “…The alkyl chain in the surface ligands significantly affect external stimuli depending on their length. Additionally, aromatic ring-containing ligands improve conductivity of the film due to their conjugated structure. …”
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  18. 378

    The importance of market signals in crop varietal development: lessons from Komboka rice variety by Mary Ng’endo, MaryLiza Kinyua, Lourine Chebet, Samuel Mutiga, Joseph Ndung’u, Oliver Nyongesa, Simon Njau, Ajay Panchbhai, Ruth Musila, Rosemary Murori

    Published 2022-09-01
    “…While Komboka was equally aromatic, the lack of a ready market dissuaded these farmers from widely preferring the new Komboka variety. …”
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  19. 379

    Synthesis, Characterization and Printing Application of Solvent Dyes Based on 2-Hydroxy-4-n-octyloxybenzophenone by Bharat C. Dixit, Hitendra M. Patel

    Published 2011-01-01
    “…Solvent dyes have been prepared by the coupling of diazo solution of different aromatic amines with 2-hydroxy-4-n-octyloxybenzophenone. …”
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  20. 380

    Graft Copolymerization of Styrene from Poly(vinyl alcohol) via RAFT Process by Gholam Ali Koohmareh, Morteza Hajian, Hazhir Fallahi

    Published 2011-01-01
    “…The hydroxyl groups of the PVA were converted into aromatic dithioester RAFT agent and polymerization began in the presence of this agent. …”
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