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

“…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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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

“…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). …”

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.

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

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

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

“…Anne's via Digbeth and The Bull Ring.…”
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Synthesis and structural studies of some metal complexes of tetraaza macrocyclic ligands by Baillie, Philip John

“…A series of dibenzo macrocyclic tetraamine ligands with 14-, 15-, 16-, 17- and 19-membered inner great lings (L14 to L15) has been synthesized to investigate the effect of ring size variation on their complexation behaviour with the metal-ions, Ni(Il), Zn(ll) and Cd(II).…”
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Preparative and N.M.R. studies of polyphosphorus ligands and their complexes by Singh Nandha, Balbir

“…When all three phosphorus atoms are coordinated to the same metal atom this leads to considerable ring strain, but nonetheless such complexes are stable, but show interesting variations in their n.m.r. properties. …”
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Tunable performance of indium tin oxide-zinc oxide as Q-switcher by Zalkepali, N.U.H.H., Awang, N.A., Ghosh, B.K., Mohamad, K.A., Alias, A., Mahmud, N.N.H.E.N., Zamri, A.Z.M., Muhammad, N.A.M.

“…The mechanical exfoliation technique is applied to serve the ITO-ZnO as SA and inserted in a single-ring cavity design. The QPEDFL in a single ring cavity gives the repetition rate, pulse width, average output power, pulse energy, and SNR of 38.49 kHz, 5.50 µs, 0.47 mW, 12.72 nJ, and 64.20 dB, respectively. …”
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Tunable performance of indium tin oxide-zinc oxide as Q-switcher by Zalkepali, N.U.H.H., Awang, N.A., Ghosh, B.K., Mohamad, K.A., Alias, A., Mahmud, N.N.H.E.N., Zamri, A.Z.M., Muhammad, N.A.M.

“…The mechanical exfoliation technique is applied to serve the ITO-ZnO as SA and inserted in a single-ring cavity design. The QPEDFL in a single ring cavity gives the repetition rate, pulse width, average output power, pulse energy, and SNR of 38.49 kHz, 5.50 µs, 0.47 mW, 12.72 nJ, and 64.20 dB, respectively. …”
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Development and evaluation of linerboard made from soda-anthraquinone treated coconut coir fiber for protective packaging by Main, Nor Mazlana

“…By using this revolution, the burst index of 4.57 kPa.m2/g and ring crush index of 1.76 Nm2/g was obtained. The optimum beating revolution was further used in the blending process. …”
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2 - Epi-3,6-dithio-2,5-diketopiperazines (ETPs): an overview of synthetic approaches to the ETP core by Sil dos Santos, Bruno, Hilton, Stephen T.

“…Herein, we describe different examples and synthetic approaches attempted to obtain the ETP core structure, characterised by a diketopiperazine ring bridged by two (or more) sulfur atoms at the three and six positions.…”

Indium tin oxide-based Q-switched fiber laser generation and sensing application by Zalkepali @ Zulkefli, Noor Ummi Hazirah Hani

“…Thus, the single ring configuration was selected and improved to enable Q-switched wavelength tunability by employing a tunable bandpass filter (TBF). …”
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Synthesis and characterisation of novel α-functionalised phosphoryl derivatives by Sanganee, Mahesh Jayantilal

“…A novel N-functionalised macrocycle ring that includes four pendant methylenephosphonates with embedded pyridine has been successfully prepared. …”
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Microwaves assisted Poly-L-Lactide synthesis using covalently immobilized candida antarctica lipase B onto Nanopolystyrene by Bukhari, Syed Attaullah Shah

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Generation of tunable q-switched erbium-doped fiber laser based on graphite flakes saturable absorber by Nik Mahmud, Nik Noor Haryatul Eleena

“…The aim of this study is to construct a single ring erbium-doped fiber (EDF) laser based on graphite flakes SA to produce short pulse laser. …”
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Planar antennas with enhanced bandwidth and radiation characteristics by Alibakhshikenari, Mohammad, Naser-Moghadasi, Mohammad, Sadeghzadeh, Ramazan Ali, Virdee, Bal Singh, Limiti, Ernesto

“…In this chapter, novel wideband and ultra-wideband (UWB) antennas that are based on loading the background plane of a monopole radiator with concentric split-ring resonators are presented. It is shown that this modification improves the fractional bandwidth of the antenna from 41 to 87%; in particular, the operational bandwidth of the proposed antennas is double that of a conventional monopole antenna of the same size.…”
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Generation of pulsed dual wavelength erbium doped fiber laser by Abdul Hadi, Fatin Shaqira

“…Therefore, the aim of this thesis is to generate a single and dual wavelength fiber laser and pulsed fiber laser by using fiber Bragg grating (FBG) in single ring and Figure-8 configurations at 1550 nm and 1560 nm. …”
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Crystal Structure of gamma-Oxapentamidine complexed with d(CGCGAATTCGCG)2. the effects of drug structural change on DNA minor-groove recognition by Nunn, Christine M., Jenkins, Terence C., Neidle, Stephen

“…The amidinium groups of the ligand do not hydrogen bond to bases, but are in close contact with 04' sugar ring atoms. This in part explains the reduced DNA binding affinity of this ligand compared to pentamidine.…”

On the puncture strength of rubber by Ab-Malek, Kamarudin

“…It has been observed that a ring crack forms on the rubber surface before puncture occurs. …”
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