Showing 181 - 200 results of 311 for search '((((pings OR rings) OR espinal) OR (ssspinge OR (spike OR jingyi))) OR ((spinga OR spina) OR pin))', query time: 0.08s Refine Results
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    Transform domain characterization of cyclic codes over Zm by Rajan, Sundar B., Siddiqi, Mohammad Umar

    Published 1994
    “…Cyclic codes with symbols from a residue class integer ring Zm are characterized in terms of the discrete Fourier transform (DFT) of codewords defined over an appropriate extension ring of Zm. …”
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    Article
  7. 187

    Ethyl 1-(butan-2-yl)-2-(2-methoxyphenyl)- 1H-benzimidazole-5-carboxylate by Natarajan, Arumugam, Ngah, Nurziana, Osman, Hasnah, Abdul Rahim, Aisyah Saad

    Published 2011
    “…In the title compound, C21H24N2O3, the mean planes of the benzene ring and the benzimidazole ring system form a dihedral angle of 69.94 (7)�. …”
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    Article
  8. 188

    Copper complexes of dinucleating octa-azamacrocyclic ligands by Dancey, Keith Philip

    Published 1982
    “…Three types of dinacleating tetraimine macrocycles have been prepared from 4,7-diaza-2,3;8,9-dibenzodecane-l,10-dione by condensation with the appropriate polyamine; I, large-ring octa-aza macrocycles e.g. the 28—membered ring compound 5,6,7,8,15,16,23,24,25,26,33,34— dodecahydrotetrabenzo(e,m,s,a’) (1,4,11,15,18,22,25) octaaza- cyclooctacosine and related 30- and 36- membered ring compounds; II, the "fused" bis(tetra-azamacrocycle) 5,6,7,8,22,23,24,25-octahydrotetrabenzo (f,f’1,1’) benzo (1,2-b:4,5-b’)- bis(1,4,8,)tetraazacyclotetradecine; III, the "Linked" bis(tetra-azamacrocycle) 5,6,7,8,24,25,26,27-octahydrotetrabenzo (f,f’,1,1)diphenyl(3,4-b:3’,4’-b’)bis(l,4,8,11)tetraazacyclotetradecine. …”
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    Thesis
  9. 189

    Ethyl 1-sec-butyl-2-phenyl-1H-benzimidazole-5-carboxylate by Arumugam, Natarajan, Abdul Rahim, Aisyah Saad, Abd Hamid, Shafida, Hemamalini, Madhukar, Fun, Hoong-Kun

    Published 2010
    “…In the title molecule, C20H22N2O2, the benzimidazole ring system is essentially planar, with a maximum deviation of 0.024 (1) A ˚ . …”
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    Article
  10. 190

    Extraction of parabens from cosmetic and environmental water samples coupled with uv-visible spectroscopy by Beh, S. Y., D. Mahfut, I. W. B., M. Juber, N. I. B., Asman, S., Yusoff, F., N. M., Saleha

    Published 2021
    “…The limit of detection (LOD) and the limit of quantifi cation (LOQ) for paraben are 0.0476 and 0.1442 μg/mL, respectively. Spiked cosmetic samples have the extraction recoveries in the range of 81.2–96.8%, whereas spiked water sample extraction recoveries were in the range of 88.8–100.63%. …”
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    Article
  11. 191

    4-(sec-butylamino)-3-nitrobenzoic acid by Narendra Babu, Shivanagere Nagojappa, Abdul Rahim, Aisyah Saad, Abd Hamid, Shafida, Yeap, Chin Sing, Fun, Hoong-Kun

    Published 2009
    “…In each, intramolecular N-H...O hydrogen bonds generate S(6) ring motifs. The mean plane of the nitro group forms dihedral angles of 4.5 (3) and 0.5 (3)° with the benzene ring in molecules A and B, respectively. …”
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    Article
  12. 192

    Sulfur monoxide transfer from peri-substituted trisulfide-2-oxides to dienes: substituent effects, mechanistic studies and application in thiophene synthesis by Grainger, Richard S., Patel, Bhaven, Kariuki, Benson M., Male, Louise, Spencer, Neil

    Published 2011
    “…The 1,2,3-trithiane-2-oxide ring adopts a sofa conformation in the solid state, with a pseudoaxial oxygen and evidence of ring strain (peri-interaction). …”
    Article
  13. 193

    4-ethylamino-3-nitrobenzoic acid by Narendra Babu, Shivanagere Nagojappa, Abdul Rahim, Aisyah Saad, Abd Hamid, Shafida, Quah, Ching Kheng, Fun, Hoong-Kun

    Published 2009
    “…In the title compound, C9H10N2O4, an intramolecular N-H...O hydrogen-bond interaction generates an S(6) ring motif. The nitro group is slightly twisted away from its attached benzene ring [dihedral angle = 15.29 (15)°]. …”
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    Article
  14. 194

    Ethyl 4-(2-hydroxyethylamino)-3-nitrobenzoate by Abdul Rahim, Aisyah Saad, Abd Hamid, Shafida, Narendra Babu, Shivanagere Nagojappa, Loh, Wan-Sin, Fun, Hoong-Kun

    Published 2010
    “…In the title compound, C11H14N2O5, the molecular structure is stabilized by an intramolecular N—H� � �O hydrogen bond, which generates an S(6) ring motif. The nitro group is twisted slightly from the attached benzene ring, forming a dihedral angle of 5.2 (2)�. …”
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    Article
  15. 195

    Compact tri-band Wilkinson power divider based on metamaterial structure for Bluetooth, WiMAX, and WLAN applications by Khajeh-Khalili, Farzad, Honarvar, M. Amin, Dadgarpour, Abdolmehdi, Virdee, Bal Singh, Denidni, Tayeb A.

    Published 2019
    “…It comprises a П-shaped transmission-line coupled to a rectangular split ring resonator metamaterial structure. The μ-negative feature of the rectangular split ring resonator metamaterial structure is investigated by retrieving its constitutive parameters from the S-parameter response. …”
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    Article
  16. 196

    Synthesis and chemistry of 1,4-oxathianes and 1,4-oxathian-3-ones by Hammad, Nashwa

    Published 1997
    “…The first involved an examination influencing the regioselectivity of the epoxide and consequent ring-opening to yield the corresponding hydroxy sulfide. …”
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    Thesis
  17. 197
  18. 198

    Redevelopment of Northern End of York Racecourse by Markey, Anne, Phelan, Brendan

    Published 2015
    “…New Equine and Racegoer facilities at York Racecourse including a new pre-parade ring and saddling boxes; new weigh-in building; new bars, restaurant and champagne lawn.…”
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    Artefact
  19. 199

    Birmingham St Patrick's day parade 2001 (poster) by Birmingham St. Patrick's Festival, BSPF

    Published 2001
    “…Anne's via Digbeth and The Bull Ring.…”
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    Ephemera
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