Showing 161 - 180 results of 382 for search '(((pina OR pin) OR shen) OR (((scan OR (pingk OR ((wings OR wing) OR rings))) OR ssspinga) OR eng))', query time: 0.07s Refine Results
  1. 161
  2. 162

    Synthesis and structural studies of some metal complexes of tetraaza macrocyclic ligands by Baillie, Philip John

    Published 1993
    “…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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    Thesis
  3. 163

    Submission of evidence to the Cabinet Office enquiry on the biological security strategy by Hobson, Tom, Sundaram, Lalitha S., Aldridge, David, Christie, Alec, Edwards, Brett, Dando, Malcolm, Petrovan, Silviu, Shang, Lijun, Sutherland, William, Ó hÉigeartaigh, Seán, Smith, Rebecca

    Published 2022
    “…In this submission we draw upon our collected expertise in technology and innovation governance, horizon scanning, expert elicitation, foresight methods and biosecurity education, in addition to our knowledge of present and historical challenges and opportunities of biosecurity.…”
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    Monograph
  4. 164
  5. 165

    Preparative and N.M.R. studies of polyphosphorus ligands and their complexes by Singh Nandha, Balbir

    Published 1992
    “…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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    Thesis
  6. 166

    Innovative UWB phase shifters using groove gap-waveguide technology inspired by metasurfaces for beamforming networks operating at 100 GHz by Alibakhshikenari, Mohammad, Zidour, Ali, Virdee, Bal Singh, Kouhalvandi, Lida, Shahid, Saleem, See, Chan Hwang, Limiti, Ernesto

    Published 2025
    “…The metasurface features a "bed-of-nails" structure, where metal pins are connected to a bottom layer and spaced <λ/4 from a top plate. …”
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    Conference or Workshop Item
  7. 167

    Metamaterial based ultra-wideband antennas for portable wireless applications by Alibakhshikenari, Mohammad, Naser-Moghadasi, Mohammad, Sadeghzadeh, Ramazan Ali, Virdee, Bal Singh, Limiti, Ernesto

    Published 2017
    “…Various approaches have been reported to reduce the physical size of RF antennas including using high permittivity substrates, shorting pins, reactive components, and more recently, metamaterials (MTM) based on composite right-/left-handed transmission-lines (CRLH-TLs). …”
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    Book Section
  8. 168

    Informing decisions to influence change: the changing role of the in-house practioner in the Ministry of Defence by Elliott-Mabey, Nicola L.

    Published 2010
    “…The Critical Literature Review presents an evaluation of environmental scanning and its relationship with occupational psychology; arguing that environmental scanning is a vital higher order skill for psychology practitioners to understand external contexts. …”
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    Thesis
  9. 169

    Synthesis and characterisation of novel α-functionalised phosphoryl derivatives by Sanganee, Mahesh Jayantilal

    Published 2001
    “…A novel N-functionalised macrocycle ring that includes four pendant methylenephosphonates with embedded pyridine has been successfully prepared. …”
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    Thesis
  10. 170

    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.

    Published 2021
    “…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.…”
    Book Section
  11. 171

    Excitation processes in the positive column of electrical discharges in inert gases by Zendehnam, A.

    Published 1987
    “…Measurements of emission line profiles have been made using a pressure scanned Fabry-Perot interfermometer. High resolution absorption measurements have been made to give data on tha population densities of the lower excited states, and their variation with pressure and current, to assist in interpreting the intensity-current (I-i) results.…”
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    Thesis
  12. 172

    A Qucs/QucsStudio swept parameter technique for statistical circuit simulation by Brinson, Mike

    Published 2013
    “…Qucs and QucsStudio open source circuit simulators have a wealth of built in swept data features, including facilities for linear and logarithmic scans of simulation variables and for setting component values and device parameters. …”
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    Article
  13. 173

    Effect of multiple extrusions and influence of PP contamination on the thermal characteristics of bottle grade recycled PET by Itim, Bachir, Philip, Mathew

    Published 2015
    “…The thermal characteristics of bottle grade recycled PET pellets contaminated with 5% PP prepared by multiple extrusions were studied by differential scanning calorimetry (DSC) at constant heating rate of 10 degrees C/min for various extrusion cycles. …”
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    Article
  14. 174

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

    Published 1987
    “…It has been observed that a ring crack forms on the rubber surface before puncture occurs. …”
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    Thesis
  15. 175

    A technique to suppress mutual coupling in densely packed antenna arrays using metamaterial supersubstrate by Alibakhshikenari, Mohammad, Limiti, Ernesto, Virdee, Bal Singh, Shafai, Lotfollah

    Published 2018
    “…The proposed technique is easily realizable and can be used effectively in beam scanning applications.…”
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    Conference or Workshop Item
  16. 176

    Planar antennas with enhanced bandwidth and radiation characteristics by Alibakhshikenari, Mohammad, Naser-Moghadasi, Mohammad, Sadeghzadeh, Ramazan Ali, Virdee, Bal Singh, Limiti, Ernesto

    Published 2017
    “…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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    Book Section
  17. 177

    Frequency Beam Steering Antenna for Millimeter Wave Checkpoint Scanners by Alibakhshikenari, Mohammad, Virdee, Bal Singh, Andújar, Aurora, Anguera, Jaume, Limiti, Ernesto

    Published 2017
    “…The antenna is compact in size and capable of frequency scanning over an angle of -50 o to 15o. It operates across FCC’s frequency range of 24.25 GHz to 30 GHz for full-body airport scanners. …”
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    Conference or Workshop Item
  18. 178

    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

    Published 1994
    “…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.…”
    Article
  19. 179

    The inter-comparison of AATSR aerosol optical depth retrievals from various algorithms by Che, Yahui, Xue, Yong, Xu, Hui, Mikusauskas, Romas, Lu, She

    Published 2015
    “…The project aerosol-CCI as part of European Space Agency (ESA) Climate Change Initiative (CCI) has provided three aerosol retrieval algorithms for the Advanced Along-Track Scanning Radiometer (AATSR) aboard on ENVISAT. For the purpose of estimating different performance of these three algorithms in Asia, in this paper we compared the Aerosol Optical Depth (AOD) of L2 data (10km×10km) including FMI AATSR Dual-view ADV algorithm, the Oxford RAL Aerosol and Cloud retrieval (ORAC) algorithm and the Swansea University AATSR retrieval (SU) algorithm with the AErosol RObotic NETwork (AERONET) and the China Aerosol Remote Sensing Network (CARSNET) data separately. …”
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    Conference or Workshop Item
  20. 180

    Mutual coupling reduction in dielectric resonator antennas using metasurface shield for 60 GHz MIMO systems by Dadgarpour, Abdolmehdi, Zarghooni, Behnam, Virdee, Bal Singh, Denidni, Tayeb A., Kishk, Ahmed A.

    Published 2016
    “…The metasurface comprises an array of unique split-ring resonator (SRR) cells that are integrated along the E-plane. …”
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    Article