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Final report on CCQM-K125: elements in infant formula
Merrick, J,Saxby, D,Dutra, E S,Sena, R C,Araú,jo, T O,Almeida, M D,Yang, L,Pihillagawa, I G,Mester, Z,Sandoval, S,Wei, C,Castillo, M E D,Oster, C,Fisicaro, P,Rienitz, O,Pape, C,Schulz, U,Jä BUREAU INTERNATIONAL DES POIDS ET MESURES 2017 METROLOGIA -BERLIN- Vol.54 No.1
기계적합금 방법으로 만든 닉켈기 초내열강의 크리프파괴 거동
김영길,Merrick, H. F. 대한금속재료학회(대한금속학회) 1982 대한금속·재료학회지 Vol.20 No.1
An advanced Ni-base superalloy, MA6000E, combining both gamma prime and oxide dispersion strengthening has been developed by using mechanical alloying process at INCO. The nominal composition of the alloy is Ni-15Cr-2Mo-4W-4.5Al-2.5Ti-2Ta-0.15Zr-0.05C-0.01B-1.1Y₂O₃. The 100 hours rupture strength at 1093℃ of the alloy (165 MPa) is about three times higher than that of the best conventional superalloy. Creep stress exponent at 1093℃ is about 40, and the apparent creep activation energy is about 160 ㎉/mole at intermediate temperature. Stress-rupture properties are not degraded significantly after thermal cycling.
Robust 1D inversion of large towed geo-electric array datasets used for hydrogeological studies
Allen, David,Merrick, Noel Korean Society of Earth and Exploration Geophysici 2007 지구물리와 물리탐사 Vol.10 No.1
The advent of towed geo-electrical array surveying on water and land has resulted in datasets of magnitude approaching that of airborne electromagnetic surveying and most suited to 1D inversion. Robustness and complete automation is essential if processing and reliable interpretation of such data is to be viable. Sharp boundaries such as river beds and the top of saline aquifers must be resolved so use of smoothness constraints must be minimised. Suitable inversion algorithms must intelligently handle low signal-to-noise ratio data if conductive basement, that attenuates signal, is not to be misrepresented. A noise-level aware inversion algorithm that operates with one elastic thickness layer per electrode configuration has been coded. The noise-level aware inversion identifies if conductive basement has attenuated signal levels so that they are below noise level, and models conductive basement where appropriate. Layers in the initial models are distributed to span the effective depths of each of the geo-electric array quadrupoles. The algorithm works optimally on data collected using geo-electric arrays with an approximately exponential distribution of quadrupole effective depths. Inversion of data from arrays with linear electrodes, used to reduce contact resistance, and capacitive-line antennae is plausible. This paper demonstrates the effectiveness of the algorithm using theoretical examples and an example from a salt interception scheme on the Murray River, Australia.
Ralph S. Brower,David Merrick,Robert McDaniel 위기관리 이론과 실천 2018 Crisisonomy Vol.14 No.3
In this manuscript we present a model of disaster intelligence as an aspirational model for emergency and disaster management in Western contexts. We reinforce this conceptualization with a heuristic for all-hazards disaster communications, in which traditional/local and social media forms of disaster communications are seen as supplements to official disaster communications. It is important, therefore, to enhance our disaster data capabilities by automating the processing of social media disaster data that are not presently being fully exploited. Hilhorst’s (2004) social domains heuristic is proposed as a way to represent the competing interests and understanding of disaster science and management, disaster governance, and local participants and vulnerable populations, respectively. We then present a series of empirical incidents of disaster communication failure that illustrate breakdowns among competing perspectives from the three social domains. In conclusion, we offer recommendations for practice and scholarship to advance disaster communication and disaster intelligence capabilities in both Western and developing contexts.
Final report on CCQM-K89: Trace and essential elements in Herba Ecliptae
Valiente, Liliana,Saxby, David,Merrick, Jeffrey,Kotzeva, Boriana,Mester, Zoltan,Yang, Lu,Willie, Scott,Feng, Liuxing,Wang, Jun,Labarraque, Guillaume,Rienitz, Olaf,Wai-mei Sin, Della,Mok, Chuen-sing,Wo Springer-Verlag 2013 Metrologia Vol.50 No.-
<P>The key comparison CCQM-K89 was undertaken to demonstrate the capability of participating NMIs and DIs in measuring the contents of incurred trace elements (total arsenic, cadmium and lead) and essential elements (calcium and zinc) at µg/g (for arsenic, cadmium, lead and zinc) and mg/g (for calcium) levels in a herb matrix sample by various analytical techniques.</P><P>This key comparison was organized by the Government Laboratory of the Hong Kong Special Administrative Region (GLHK) and agreed at the Inorganic Analysis Working Group Meeting in Hindås, Sweden in October 2010 as a benchmarking exercise with arsenic (a trace element) and calcium (an essential element) chosen as the 'exemplary' elements. It was also agreed that a pilot study CCQM-P126 would be run in parallel with this key comparison.</P><P>The key comparison serves to facilitate claims by participants on the Calibration and Measurement Capabilities (CMCs) as listed in Appendix C of the Key Comparison Database (KCDB) under the Mutual Recognition Arrangement of the International Committee for Weights and Measures (CIPM MRA).</P><P>A total of 20 NMIs/DIs registered for this programme and 18 of them submitted their results. Most of the participants used microwave acid digestion methods for sample dissolution. For the instrumental determination, a variety of techniques like ICP-MS, AAS, INAA, ICP-AES were employed by the participants. For this key comparison, inorganic core capabilities have been demonstrated by concerned participants with respect to methods including ICP-MS (without isotope dilution), ID-ICP-MS, ICP-AES, INAA, AAS and ion chromatography with iteratively matrix-matched calibration on the determination of total arsenic, calcium, cadmium, lead and zinc in a matrix of herb.</P><P>Main text.To reach the main text of this paper, click on Final Report. Note that this text is that which appears in Appendix B of the BIPM key comparison database kcdb.bipm.org/.</P><P>The final report has been peer-reviewed and approved for publication by the CCQM, according to the provisions of the CIPM Mutual Recognition Arrangement (CIPM MRA).</P>
Cytotoxic 5a,8a-epidioxy sterols from the marine sponge Monanchora sp.
문보라,Weihong Wang,김희영,한동엽,양인호,원동환,김은희,이지혜,한철경,김현지,Merrick Ekins,남상집,최혁재,강헌중 대한약학회 2015 Archives of Pharmacal Research Vol.38 No.1
Three new sterols, 5a,8a-epidioxy-24-norcholesta-6,9(11),22-trien-3b-ol (1), 5a,8a-epidioxy-cholesta-6,9(11),24-trien-3b-ol (2), and 5a,8a-epidioxy-cholesta-6,23-dien-3b,25-diol (3), with four known sterols (4–7)were isolated from a marine sponge Monanchora sp. Theirchemical structures were elucidated by extensive spectroscopicanalysis. Compounds 1 and 3–7 showed moderatecytotoxicity against several human carcinoma cell linesincluding renal (A-498), pancreatic (PANC-1 and MIAPaCa-2), and colorectal (HCT 116) cancer cell lines.
( Dongyup Hahn ),( Hiyoung Kim ),( Inho Yang ),( Jungwook Chin ),( Hoosang Hwang ),( Dong Hwan Won ),( Byoungchan Lee ),( Sang Jip Nam ),( Merrick Ekins ),( Hyukjae Choi ),( Heonjoong Kang ) 영남대학교 약품개발연구소 2016 영남대학교 약품개발연구소 연구업적집 Vol.26 No.-
Three new structurally related depsipeptides, halieylindramides F-H (1-3), and two known halieylindra-mides were isolated from a Petrosia sp. marine sponge collected off the shore of Youngdeok-Gun, East Sea, Republic of Korea. Their planar structures were elucidated by extensive spectroscopic data analyses including ID and 2D NMR data as well as MS data. The absolute configurations of halicylin-drarnides F-H (1-3) were determined by Marfey``s method in combination with Edman degradation. The absolute config-urations at C-4 of the dioxyindolyl alanine (Dioia) residues of halieylindramides G (2) and H (3) were determined as 4S and 4R, respectively, based on ECD spectroscopy. The C-2 configurations of Dioia in 2 and 3 were speculated to both be 2R based on the shared biogenesis of the halicylindramides. Halieylindrarnides F (1), A (4), and C (5) showed human farnesoid X receptor (hFXR) antagonistic activities, but did not bind directly to hFXR.