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您的检索式：作者名="S.Livingstone"
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| 1 | Tangential and Vertical Compact Torus Injection Experiments on the STOR-M Tokamak显示文摘This paper describes the setup and results of compact torus (CT) injection experiments on the STOR-M tokamak. Tangential CT injection into STOR-M induced H-mode-like phenomena including doubling the electron density, reduction in the Ha radiation level, suppression of the floating potential fluctuations, suppression of the m = 2 Mirnov oscillations, and increase in the global energy confinement time. Experimental setup, bench-test results, and some preliminary injection data for vertical CT injection experiments on STOR-M will be shown. In addition, numerical simulations of the CT trajectories in tokamak discharges for both tangential and vertical injection geometries will be discussed. | 肖持进 S.Livingstone A.K.Singh E.Zhang A.Hirose | 2005 | Plasma Science and Technology2005，7，2： | 1 |
| 2 | Selecting SNP markers reflecting population origin for cacao(Theobroma cacao L.)germplasm identification显示文摘Cacao is one of the most economically important agricultural commodities in the world,providing the principal ingredient for the global chocolate industry.Accurate genotype identification is essential for effective conservation and utilization of cacao germplasm.Here,we report the screening of 956 candidate SNPs,pre-selected from the 6 and 15K Theobroma cacao SNP Arrays using targeted Genotyping-by-Sequencing on 451 cacao germplasm accessions,representing ten known genetic groups from the tropical Americas.Based on call rate(No call rate<5%),Minor Allele Frequency(MAF>0.15)and Linkage Disequilibrium(LD≤0.5),a total of 219 SNPs were selected.The efficacy of these SNP markers for population classification was compared with the previous SSR-based analysis in cacao.The population assignment results of the retained 420 cacao accessions was highly comparable with the SSR study.The matrix of genetic distance between SSR and SNP markers is highly correlated(r=0.718;P<0.001).These results demonstrated the consistency in using the present SNP markers for cacao germplasm identification.This is our pilot project for the development of SNP markers reflecting population origin for cacao germplasm identification.These SNP markers and the selected reference germplasm for different populations are suitable for use in cacao germplasm management and crop improvement,including genotype identification,seed gardens and nursery accreditation,and cocoa authentication.Effort is being continued with the emphasis on selecting SNP markers for the detection of sub-population structures in the primary gene pool of T.cacao. | Osman A.Gutiérrez Kathleen Martinez Dapeng Zhang Donald S.Livingstone Chris J.Turnbull Juan Carlos Motamayor | 2021 | Beverage Plant Research2021，1，1： | 0 |
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