Results 161 to 170 of about 1,127,458 (190)

ChemInform Abstract: Preparation of Metal‐Sulfur‐Clusters by Simple Reaction of Metal‐Salts with H2S: R2(NH4)(Cu3S12), R2(Cu4S12)·CH3CN, R2(Cu4S12.8), R2(Fe2S2(S5)2), R2(Fe4S4Br4),R2(Fe4S4Br2Cl2), R2(Fe4S4Cl4), R2(Fe2S2Cl4) (R: PPh4) and (Fe(DMF)6) (Fe2S2Cl4).

ChemInform, 1989
AbstractThe title compounds (III), (V), (VI), (VII), (X), and (XIII) are prepared by the simple methods outlined in the scheme and characterized by IR, Raman, and Moessbauer spectroscopy and XRD.
A. + MUELLER, N. H. SCHLADERBECK, E. KRICKEMEYER, H. + BOEGGE, K. SCHMITZ, E. BILL, A. X. TRAUTWEIN   +6 more
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Simultaneous R2, R2' and R2* measurement of skeletal muscle in a rabbit model of unilateral artery embolization

Magnetic Resonance Imaging, 2019
To demonstrate the feasibility of using a susceptibility-based MRI technique with multi-echo gradient and spin echo (MEGSE) sequence to achieve simultaneous R2, R2' and R2* measurement and assess skeletal muscle oxygenation alternations in a rabbit model of unilateral artery embolization.Approved by the local institutional review board for experimental
Yao Wang, Rui Zhang, Bihui Zhang, Chengyan Wang, Haochen Wang, Xiaodong Zhang, Kai Zhao, Min Yang, Xiaoying Wang, Jue Zhang   +9 more
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R2 and R2* are equally effective in evaluating chronic response to iron chelation

American Journal of Hematology, 2013
MRI relaxometry (R2, R2*) has generally replaced liver biopsy for estimation of liver iron stores in response to iron chelation, but there have been no longitudinal studies comparing R2 and R2* techniques. We use R2 and R2* liver iron concentration (LIC) estimates, transfusional iron burdens, and drug compliance data to calculate iron chelation ...
John C, Wood, Pinggao, Zhang, Hugh, Rienhoff, Walid, Abi-Saab, Ellis, Neufeld   +4 more
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R2

The Journal of Finance, 1988
ABSTRACTEven with hindsight, the ability to explain stock price changes is modest. s were calculated for the returns of large stocks as explained by systematic economic influences, by the returns on other stocks in the same industry, and by public firm‐specific news events.
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Culture and R2

Journal of Financial Economics, 2015
Abstract Consistent with predictions from the psychology literature, we find that stock prices co-move more (less) in culturally tight (loose) and collectivistic (individualistic) countries. Culture influences stock price synchronicity by affecting correlations in investors׳ trading activities and a country׳s information environment. Both market-wide
Cheol S. Eun, Lingling Wang, Steven C. Xiao   +2 more
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Bootstrapping R2 and adjusted R2 in regression analysis

Economic Modelling, 2000
Abstract In this paper, using the bootstrap method, we consider to estimate the standard errors of R2 and R 2 which are measures of their precision, and to construct their confidence intervals. It is shown by Monte Carlo experiments that the bootstrap standard errors are considerably accurate estimates of the exact ones. It is also shown
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Tricoccin R2

Acta Crystallographica Section C Crystal Structure Communications, 1996
Sekar, K., Parthasarathy, S., Schenk, H., Epe, B., Mondon, A.   +4 more
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Problems with R2 pads

Annals of Emergency Medicine, 1989
D G, Ferguson, W, O'Dowd, M S, Hockey
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