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Measurement ofD0−D¯0mixing and search for indirectCPviolation usingD0→KS0π+π−decays
Peng, T.,Zhang, Z. P.,Abdesselam, A.,Adachi, I.,Aihara, H.,Arinstein, K.,Asner, D. M.,Aulchenko, V.,Aushev, T.,Ayad, R.,Bakich, A. M.,Bala, A.,Bhardwaj, V.,Bhuyan, B.,Bobrov, A.,Bondar, A.,Bonvicini, American Physical Society 2014 PHYSICAL REVIEW D - Vol.89 No.9
We report a measurement of D-0-(D) over bar(0) mixing parameters and a search for indirect CP violation through a time-dependent amplitude analysis of D-0 -> K-S(0)pi(+)pi(-) decays. The results are based on 921 fb(-1) of data accumulated with the Belle detector at the KEKB asymmetric-energy e(+)e(-) collider. Assuming CP conservation, we measure the mixing parameters x = (0.56 +/- 0.19(-0.09-0.09)(+0.03+0.06))% and y = (0.30 +/- 0.15(-0.05-0.06)(+0.04+0.03))%, where the errors are statistical, experimental systematic, and systematic due to the amplitude model, respectively. With CP violation allowed, the parameters vertical bar q/p vertical bar = 0.90(-0.15-0.04-0.05)(+0.16+0.05+0.06) and arg(q/p) = (- 6 +/- 11 +/- 3(-4)(+3))degrees are found to be consistent with conservation of CP symmetry in mixing and in the interference between mixing and decay, respectively.
Peng, K.S.,She, R.P.,Yang, Y.R.,Zhou, X.M.,Liu, W.,Wu, J.,Bao, H.H.,Liu, T.L. Asian Australasian Association of Animal Productio 2007 Animal Bioscience Vol.20 No.4
Four hundred and fifty tilapias ($6.77{\pm}0.23$ g) were assigned randomly to six groups to evaluate the feasibility of the tested antibacterial peptides (ABPs) and oligosaccharides as substitutes for antibiotics. The control group was fed with a commercial tilapia diet; other five groups were fed with the same commercial diet supplemented with konjac glucomannan (KGLM), cluster bean galactomannan (CBGAM), and three animal intestinal ABPs derived from chicken, pig and rabbit at 100 mg/kg respectively. After 21 days of feeding, growth, disease resistance, and in vivo anti-adherence were determined. Furthermore, the inhibitory effect of tested agents on adhesion of Aeromonas veronii biovar sobria (A.vbs) strain BJCP-5 to tilapia enteric epithelia in vitro was assessed by cell-ELISA system. As a result, the tested agents supplemented at 100 mg/kg show significant benefit to tilapia growth and disease resistance (p<0.05), and the benefit may be correlated with their interfering in the contact of bacteria with host mucosal surface. Although none of the tested agents did inhibit the growth of BJCP-5 in tryptic soy broth at $100{\mu}g/ml$, all of them did inhibit the adhesion of A.vbs to tilapia enteric epithelia in vivo and in vitro. In vitro mimic assays show that three ABPs at low concentrations of $25{\mu}g/ml$ and $2.5{\mu}g/ml$ have the reciprocal dose-dependent anti-adherence effect. The inhibition of ABPs may be correlated with a cation bridging and/or receptor-ligand binding, but not with hydrophobicity. The KGLM and CBGAM inhibited the adherence of BJCP-5 to tilapia enteric epithelia with dose-dependent manner in vitro, and this may be through altering bacterial hydrophobicity and interfering with receptor-ligand binding. Our results indicate that the anti-adherence of the tested ABPs and oligosaccharides may be one of the mechanisms in promoting tilapia growth and resistance to A.vbs.
Yue, K.,Peng, J.,Zheng, R.,Li, J.L.,Chen, J.F.,Li, F.E.,Dai, L.H.,Ding, SH.H.,Guo, W.H.,Xu, N.Y.,Xiong, Y.ZH.,Jiang, S.W. Asian Australasian Association of Animal Productio 2008 Animal Bioscience Vol.21 No.7
A disintegrin-like and metalloprotease (reprolysin type) with thrombospondin type 1 motif (ADAMTS1) plays a critical role in follicular rupture and represents a major advance in the proteolytic events that control ovulation. In this study, a 9,026-bp DNA sequence containing the full coding region, all 8 introns and part of the 5'and 3' untranslated region of the porcine ADAMTS1 gene was obtained. Analysis of the ADAMTS1 gene using the porcine radiation hybrid panel indicated that pig ADAMTS1 is closely linkage with microsatellite marker S0215, located on SSC13q49. The open reading frame of its cDNA covered 2,844 bp and encoded 947 amino acids. The coding region of porcine ADAMTS1 as determined by sequence alignments shared 85% and 81% identity with human and mouse cDNAs, respectively. The deduced protein contained 947 amino acids showing 85% sequence similarity both to the human and mouse proteins, respectively. Comparative sequencing of three pig breeds revealed one single nucleotide polymorphism (SNP) within exon 7 of which a G-C substitution at position 6006 changes a codon for arginine into a codon for proline. The substitution was situated within a PvuII recognition site and developed as a PCR-RFLP marker for further use in population variation investigations and association analysis with litter size. Allele frequencies of this SNP were investigated in seven pig breeds/lines. An association analysis in a new Qingping female line suggested that different ADAMTS1 genotypes have significant differences in litter size (p<0.01).
강원도에서 토양과 기후 데이터베이스를 이용한 청보리의 재배 적지 구분
김경대 ( K D Kim ),성경일 ( K I Sung ),주진호 ( J H Joo ),김병완 ( B W Kim ),팽경륜 ( J L Peng ),이배훈 ( B H Lee ),잘일가세미네자드 ( J G Nejad ),조무환 ( M H Jo ),임영철 ( Y C Lim ) 강원대학교 농업생명과학연구원(구 농업과학연구소) 2013 강원 농업생명환경연구 Vol.25 No.3
본 연구는 토양과 기후 데이터베이스를 이용하여 조사료 재배적지 기준 설정 연구의 일환으로 청보리를 대상으로 강원도에서의 재배가능지역을 추정하였다. 토양요인항목으로는 토양 물리성인 토성, 배수, 경사, 유효토심 및 암반노출, 토양화학성인 토양산도, 토양염류도 및 유기물함량을 선정하고 기준값 및 가중치를 설정하였다. 기후요인항목으로는 1월 일최저온도 평균, 3-5월의 평균온도, 9-12월의 5℃ 이상 일수, 10-5월의 강수일수와 강수량 그리고 3월에서 5월까지의 일조시간을 선정하고 기준값 및 가중치를 설정하였다. 토양요인의 관점에서 강원도에서 청보리의 재배가능지 및 재배최적지는 영동지방의 경우 고성, 속초, 양양, 강릉, 동해 및 삼척이며 주로 경사가 완만한 해안지역에 분포하고 있었다. 영서지방은 철원, 양구, 춘천, 원주, 횡성, 평창 및 정선에 주로 분포하고 있었다. 기후요인의 관점에서 강원도는 대부분이 50점이상이었으며, 재배가능지는 고성, 속초, 양양, 강릉, 동해 및 삼척의 해안지역과 철원, 양구, 춘천, 원주, 횡성, 평창 및 정선 일부 지역이 포함되었다. 이상의 결과로부터 강원도에서 토양과 기후요인을 고려한 청보리의 재배가능지 및 재배최적지는 영동지방의 고성, 속초, 양양, 강릉, 동해 및 삼척의 해안지역을 중심으로 가능하였고, 영서지방의 철원, 양구, 춘천, 원주, 횡성, 평창 및 정선 일부지역에서 재배가능지로 나타나고 있다. 향후 청보리의 재배적지 연구를 위해서는 일조시간에 대한 전자정보의 확보가 이루어진다면, 더욱 정밀한 청보리 재배 적지의 예상이 가능할 것으로 판단된다. As a part of establishing suitability classification for forage production, use of the national soil and climate database was attempted for Whole crop barley (Hordeum vulgare var. hexastichon (L.) Asch.) in Gangwon Province. The soil data base were from Heugtoram of the National Academy of Agricultural Science, and the climate data base were from the National Center for Agro-Meteorology, respectively. Soil physical properties including soil texture, drainage, slope available depth and surface rock contents, and soil chemical properties including soil acidity and salinity, organic matter content were selected as soil factors. The criteria and weighting factors of these elements were scored. Climate factors including average daily minimum temperature in January, average temperature from March to May, the number of days of which average temperature was higher than 5℃ from September to December, the number of days of precipitation and its amount from October to May of the following year, and sunshine hours from March to May were selected, and criteria and weighting factors were scored. The electronic maps were developed with these scores using the national data base of soil and climate. Based on soil scores, the area of Goseong, Sogcho, Yangyang, Gangreung, Donghea and Samcheog in east coastal region with gentle slope were classified as the possible and/or the proper area for Whole crop barley cultivation in Gangwon Province. The lands with gentle or moderate slope of Cheolwon, Yanggu, Chuncheon, Wonju, Hweongseong, Pyungchang and Jeongsun in west side slope of Taebaeg mountains were classified as the possible and/or proper area as well. Based on climate score, the east coastal area of Goseong, Sogcho, Yangyang, Gangreung and Samcheog could be classified as the possible or proper area. Most area located on west side of the Taebaeg mountains were classified as not suitable for Whole crop barley production. In scattered area in Cheolwon, Yanggu, Chuncheon, Wonju, Hweongseong, Pyungchang and Jeongsun, where the scores exceeded 50, the Whole crop barley cultivation should be carefully managed for good production. As a results, based on soil with climate the area of Goseong, Sogcho, Yangyang, Gangreung, Donghea and Samcheog in east coastal region with gentle slope and some area of Cheolwon, Yanggu, Chuncheon, Wonju, Hweongseong, Pyungchang and Jeongsun were classified as the possible and/or the proper area for Whole crop barley cultivation in Gangwon Province. For better application of electronic maps of whole crop barley, acurate study will be possible if a data comfirmed on th shine hours is achieved.
Adaptive VM Management with Two Phase Power Consumption Cost Models in Cloud Datacenter
Kang, D. K.,Al-Hazemi, F.,Kim, S. H.,Chen, M.,Peng, L.,Youn, C. H. Springer Science + Business Media 2016 MOBILE NETWORKS AND APPLICATIONS Vol.21 No.5
<P>As cloud computing models have evolved from clusters to large-scale data centers, reducing the energy consumption, which is a large part of the overall operating expense of data centers, has received much attention lately. From a cluster-level viewpoint, the most popular method for an energy efficient cloud is Dynamic Right Sizing (DRS), which turns off idle servers that do not have any virtual resources running. To maximize the energy efficiency with DRS, one of the primary adaptive resource management strategies is a Virtual Machine (VM) migration which consolidates VM instances into as few servers as possible. In this paper, we propose a Two Phase based Adaptive Resource Management (TP-ARM) scheme that migrates VM instances from under-utilized servers that are supposed to be turned off to sustainable ones based on their monitored resource utilizations in real time. In addition, we designed a Self-Adjusting Workload Prediction (SAWP) method to improve the forecasting accuracy of resource utilization even under irregular demand patterns. From the experimental results using real cloud servers, we show that our proposed schemes provide the superior performance of energy consumption, resource utilization and job completion time over existing resource allocation schemes.</P>