[2.2.2.2Para]cyclophanetetraenes (PCTs): cyclic structural analogues of poly(p‑phenylene vinylene)s (PPVs) [version 2; peer review: 2 approved] by Matthias Pletzer, Felix Plasser, Martina Rimmele, Martin Heeney, Florian Glöcklhofer

“…Background: Poly(p-phenylene vinylene)s (PPVs) and [2.2.2.2]paracyclophanetetraene (PCT) are both composed of alternating π-conjugated para-phenylene and vinylene units. …”
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Two people in a discussion 2 by Rod Shaw

“…Two people in a discussion 2…”
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Synthesis, characterization and biological evaluation of schiff base (N-4-(thiophene-2-yl-methyleneamino)-2,6-dimethylpyrimidine-4-yl)benzenesulfonamide and its complexes with Cu(II), Ni(II), Co(II), Fe(II), Mn(II), Zn(II) ions by A Mumtaz, T Mahmud, Mark Elsegood, George Weaver, G Bratu, L Mitu

Subjects: “…thiophene-2-carboxaldehyde…”
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The regioselective outcome of ring rearrangement metathesis transformations performed on bicyclo[2.2.2]oct-2-ene derivatives by Patricia E. Standen, Marc Kimber

“…Treatment of bicyclo[2.2.2]oct-2-en-7-one with organometallic reagents gives the addition products in good yield and moderate diastereoselectivities in favour of the syn-products. …”
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The Limit Vol. 2 No. 2 (Sept. 1948) by Loughborough University Archive

Subjects: “…LC/PM2/02/02…”
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R2Q2: rendering and reponses processing for QTIv2 question types by Gary Wills, Hugh C. Davis, Swapna Chennupati, Lester Gilbert, Yvonne Howard, Ehtesham-Rasheed Jam, Steve Jeyes, David Millard, Robert Sherratt, Gavin Willingham

“…The R2Q2 project aims to produce a set of loosely coupled web services that will provide definitive reference software for QTIv2. …”
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Structural studies of Schiff-base [2 + 2] macrocycles derived from 2,2′-oxydianiline and the ROP capability of their organoaluminium complexes by Wenxue Yang, Ke-Qing Zhao, Timothy J. Prior, David L. Hughes, Abdessamad Arbaoui, Mark Elsegood, Carl Redshaw

“…Reaction of LnH2 with two equivalents of AlR′3 (R′ = Me, Et) afforded dinuclear alkylaluminium complexes [(AlR′2)2L1-3] (R = R′ = Me (1), R = tBu, R′ = Me (2), R = Cl, R′ = Me (3), R = Me, R′ = Et (4), R = tBu, R′ = Et (5), R = Cl, R′ = Et (6)). …”
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The room-temperature stabilization of bicyclo[2.2.2]oct-1-ene and bicyclo[3.2.1]oct-1-ene by Paul Roach, Ralf Warmuth

“…Retardation through incarceration: The highly strained anti-Bredt bridgehead olefin bicyclo[2.2.2]oct-1-ene (1) is remarkably stable at 60 °C, if generated photochemically inside the hemicarcerand 2. …”
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Combustion characteristics of H 2/N 2 and H 2/CO syngas nonpremixed flames by K.K.J. Ranga-Dinesh, X. Jiang, M.P. Kirkpatrick, Weeratunge Malalasekera

“…Turbulent nonpremixed H2/N2 and H2/CO syngas flames were simulated using 3D large eddy simulations coupled with a laminar flamelet combustion model. …”
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Recent advances in the synthesis of 2,2’-Bipyridines and their derivatives by Alexander Rubtsov, Andrei Malkov

“…The sustained interest in the synthesis of new analogs of 2,2’- bipyridines is supported by the importance of compounds featuring bipyridine core in diverse areas of chemical, biomedical and materials research, which relayed into the development of new and expansion of the existing synthetic methods. …”
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Woman using an India Mark II handpump 2 by Rod Shaw

“…Woman using an India Mark II handpump 2…”
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Pipeline profile from junction 2 to standpost 2 by Glenda McMahon, Ken Chatterton

“…Pipeline profile from junction 2 to standpost 2…”
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Handpump 2 by Ken Chatterton, Rod Shaw

“…Handpump 2…”
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Handwashing 2 by Rod Shaw

“…Handwashing 2…”
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Writing 2 by Rod Shaw

“…Writing 2…”
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Two women by Rod Shaw

“…Two women…”
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Flood 2 by Ken Chatterton, Rod Shaw

“…Flood 2…”
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Bin 2 by Ken Chatterton, Rod Shaw

“…Bin 2…”
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Vehicle 2 by Ken Chatterton, Rod Shaw

“…Vehicle 2…”
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Nosfera-2 by Philip Emery

“…Nosfera-2…”
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CO2 Capture and Sequestration by Diganta Das

Subjects: “…CO2…”
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'Giant' normal state magnetoresistances of Bi2Sr2CaCu2O8+. by V.N. Zavaritsky, J. Vanacken, V.V. Moshchalkov, A.S. Alexandrov

“…Resistive upper critical fields H$_{c2}$(T) determined from the in-- and out-of-plane MRs are about the same. …”
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Re-investigating the structures of [Cu(NO3)2(en)2] and [Cu(NO3)2(pn)2]: tales of twinning and a reversible phase change by Mark Elsegood, C.L. Carpenter-Warren, Muhammet Kose

“…Re-investigating the structures of [Cu(NO3)2(en)2] and [Cu(NO3)2(pn)2]: tales of twinning and a reversible phase change…”
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Forty-two or two-and-forty: learning maths in different languages by Julia Bahnmueller, Hans-Christoph Nuerk, Krzysztof Cipora

“…Doing basic maths seems to be a pretty common thing. 2 + 2 equals 4, both in France and in China. 7 × 8 equals 56, both in the United States of America and in Germany. …”
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D2.2 Technologies for safety interventions and assessment of their effectiveness by Christos Katrakazas, Eva Michelaraki, George Yannis, Susanne Kaiser, Kris Brijs, Veerle Ross, Hélène Dirix, An Neven, Roeland Paul, Edith Donders, Tom Brijs, Ashleigh Filtness, Rachel Talbot, Graham Hancox, Fran Pilkington-Cheney, Petros Fortsakis, Elina Frantzola, Bart De Vos, Rodrigo Taveira

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