http://chineseinput.net/에서 pinyin(병음)방식으로 중국어를 변환할 수 있습니다.
변환된 중국어를 복사하여 사용하시면 됩니다.
Fisher, L.A.,Huh, H.s. Wayne State University Press] 2016 JOURNAL OF MACROECONOMICS Vol.49 No.-
This paper estimates SVARs for four small and three large economies. Sign restrictions are used to identify all the shocks in the SVARs, while being agnostic about the sign of the response of the real exchange rate to a relative monetary policy shock. The large number of sets of impulse responses to be judged by sign restrictions for either retention or rejection is generated by a newly proposed method which utilizes instrumental variable estimation. The responses show an absence of an exchange rate puzzle in each economy. The peak appreciation following a contractionary monetary policy shock occurs with at most a one quarter delay in the small countries and, for the United States, on impact. For the Euro region and Japan, the peak appreciation is in the long run. There is considerable model uncertainty in the responses.
Low-Temperature Sintering of Barium Calcium Zirconium Titanate Lead-Free Piezoelectric Ceramics
Fisher, John G.,Lee, Dae-Gi,Oh, Jeong-Hyeon,Kim, Ha-Nul,Nguyen, Dieu,Kim, Jee-Hoon,Lee, Jong-Sook,Lee, Ho-Yong The Korean Ceramic Society 2013 한국세라믹학회지 Vol.50 No.2
The need for lead-free piezoceramics has caused a renewal of interest in $BaTiO_3$-based systems. Recently, it was found that ceramics in the $(Ba,Ca)(Zr,Ti)O_3$ system have properties comparable to those of $Pb(Zr,Ti)O_3$. However, these ceramics require rather high sintering temperatures of $1450-1550^{\circ}C$. In this work, the effect of $TiO_2$ and CuO addition on the sintering behavior, microstructure, dielectric and piezoelectric properties of $(Ba_{0.85}Ca_{0.15})(Zr_{0.1}Ti_{0.9})O_3$ (BCTZ) ceramics will be discussed. BCTZ ceramics were prepared by the mixed oxide route and 1 mol % of $TiO_2$ or CuO was added. Undoped and doped ceramics were sintered at $1350^{\circ}C$ for 1-5 h. CuO was found to be a very effective sintering aid, with samples sintered for 1 h at $1350^{\circ}C$ having a bulk density of 95% theoretical density; however the piezoelectric properties were greatly reduced, probably due to the small grain size.
Behavior of exterior reinforced concrete beam-column joints including a new reinforcement
Fisher, Matthew J.,Sezen, Halil Techno-Press 2011 Structural Engineering and Mechanics, An Int'l Jou Vol.40 No.6
Six reinforced concrete beam-column joint specimens were constructed and tested under reverse cyclic loading to failure. The six specimens were divided into three groups, each group representing a different joint design. The main objectives of this study are to investigate the response of joints with three different design, reinforcement detailing and beam strengths, and to evaluate and compare the responses of beam-column joints reinforced with traditional steel rebar and a recently proposed steel reinforcement called prefabricated cage system (PCS). Each of the three test specimen designs included equivalent amount of steel reinforcement and had virtually identical details. The results of the research show that the PCS reinforced joints had a slightly higher strength and significantly larger deformation capacity than the equivalent rebar reinforced joints.
Mining intelligent solution to compensate missing data context of medical IoT devices
Fisher, Paul S.,James II, Jimmy,Baek, Jinsuk,Kim, Cheonshik Springer-Verlag 2018 PERSONAL AND UBIQUITOUS COMPUTING Vol.22 No.1
<P>When gathering experimental data generated by medical IoT devices, the perennial problem is missing data due to recording instruments, errors introduced which cause data to be discarded, or the data is missed and lost. When faced with this problem, the researcher has several options: (1) insert what appears to be the best replacement for the missing element, (2) discard the entire instance, (3) use one of the algorithms that will consider the data and then suggest viable candidate values for replacement. We discuss the options and introduce another mining intelligent technique based upon Markov models.</P>
Generation of Finite Inductive, Pseudo Random, Binary Sequences
Fisher, Paul,Aljohani, Nawaf,Baek, Jinsuk Korea Information Processing Society 2017 Journal of information processing systems Vol.13 No.6
This paper introduces a new type of determining factor for Pseudo Random Strings (PRS). This classification depends upon a mathematical property called Finite Induction (FI). FI is similar to a Markov Model in that it presents a model of the sequence under consideration and determines the generating rules for this sequence. If these rules obey certain criteria, then we call the sequence generating these rules FI a PRS. We also consider the relationship of these kinds of PRS's to Good/deBruijn graphs and Linear Feedback Shift Registers (LFSR). We show that binary sequences from these special graphs have the FI property. We also show how such FI PRS's can be generated without consideration of the Hamiltonian cycles of the Good/deBruijn graphs. The FI PRS's also have maximum Shannon entropy, while sequences from LFSR's do not, nor are such sequences FI random.
AMPK Promotes Aberrant PGC1β Expression To Support Human Colon Tumor Cell Survival
Fisher, Kurt W.,Das, Binita,Kim, Hyun Seok,Clymer, Beth K.,Gehring, Drew,Smith, Deandra R.,Costanzo-Garvey, Diane L.,Fernandez, Mario R.,Brattain, Michael G.,Kelly, David L.,MacMillan, John,White, Mic American Society for Microbiology 2015 Molecular and cellular biology Vol.35 No.22
<P>A major goal of cancer research is the identification of tumor-specific vulnerabilities that can be exploited for the development of therapies that are selectively toxic to the tumor. We show here that the transcriptional coactivators peroxisome proliferator-activated receptor gamma coactivator 1β (PGC1β) and estrogen-related receptor α (ERRα) are aberrantly expressed in human colon cell lines and tumors. With kinase suppressor of Ras 1 (KSR1) depletion as a reference standard, we used <U>fu</U>nctional <U>si</U>gnature <U>on</U>tology (FUSION) analysis to identify the γ1 subunit of AMP-activated protein kinase (AMPK) as an essential contributor to PGC1β expression and colon tumor cell survival. Subsequent analysis revealed that a subunit composition of AMPK (α2β2γ1) is preferred for colorectal cancer cell survival, at least in part, by stabilizing the tumor-specific expression of PGC1β. In contrast, PGC1β and ERRα are not detectable in nontransformed human colon epithelial cells, and depletion of the AMPKγ1 subunit has no effect on their viability. These data indicate that Ras oncogenesis relies on the aberrant activation of a PGC1β-dependent transcriptional pathway via a specific AMPK isoform.</P>
Fisher, John G.,Choi, Si-Young,Kang, Suk-Joong L. The Korean Ceramic Society 2011 한국세라믹학회지 Vol.48 No.6
The present study aims to identify the effect of sintering atmosphere [$O_2$, 75$N_2$-25 $H_2$ (mol%) and $H_2$] on microstructural evolution at the relatively low sintering temperature of 1040$^{\circ}C$. Samples sintered in $O_2$ showed a bimodal microstructure consisting of fine matrix grains and large abnormal grains. Sintering in 75 $N_2$ - 25 $H_2$ (mol %) and $H_2$ caused the extent of abnormal grain growth to increase. These changes in grain growth behaviour are explained by the effect of the change in step free energy with sintering atmosphere on the critical driving force necessary for rapid grain growth. The results show the possibility of fabricating $(K_{0.5}Na_{0.5})NbO_3$ at low temperature with various microstructures via proper control of sintering atmosphere.
Fisher, Benjamin A,Bang, So-Young,Chowdhury, Muslima,Lee, Hye-Soon,Kim, Jae-Hoon,Charles, Peter,Venables, Patrick,Bae, Sang-Cheol BMJ Publishing Group Ltd 2014 Annals of the Rheumatic Diseases Vol.73 No.4
<P><B>Objectives</B></P><P>Data from North European rheumatoid arthritis (RA) populations has suggested a particularly strong association of gene-environment interaction between smoking and HLA-DRB1 shared epitope (SE) with antibodies to citrullinated α-enolase (CEP-1) and vimentin (cVim) peptides. We investigated this further by examining anticitrullinated peptide/protein antibody (ACPA) fine specificity in a Korean cohort, where there are notable differences in the RA-associated HLA-DRB1 alleles.</P><P><B>Methods</B></P><P>Antibodies to fibrinogen (cFib), α-enolase (CEP-1) and vimentin (cVim) peptides and cyclic citrullinated peptide (CCP) were measured in 513 cases. The Mann-Whitney U test was used to compare antibody levels. Logistic regression generated ORs for RA in a case-control analysis with 1101 controls. Association of ACPA status and erosion in patients with RA was examined by logistic regression.</P><P><B>Results</B></P><P>Anti-CCP, CEP-1, cVim and fibrinogen peptides were found in 86.7%, 63.9%, 45.5% and 74.7%, respectively. The number of ACPA and their levels were associated with SE, with evidence of a gene-dosage effect. There was a particular association of smoking with levels of anti-CEP-1. However, a gene-environment interaction was associated with all the ACPA positive subgroups, albeit the highest OR was seen with the anti-CCP+/cVim+ subset. In the absence of SE, smoking only conferred risk for anti-CCP negative subsets. The presence of erosions was not associated with the number of positive ACPA or specificity.</P><P><B>Conclusions</B></P><P>The SE governed the magnitude and diversity of the ACPA response, but its interaction with smoking did not exclusively segregate with any of the ACPA specificities studied here. Smoking was associated with RA by SE-dependent and independent effects.</P>