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2篇 您的检索式:作者名="T.R.Preston"
    题名 作者 年代 出处 被引量
1ReLaX:the Helmholtz International Beamline for Extreme Fields high-intensity short-pulse laser driver for relativistic laser-matter interaction and strong-field science using the high energy density instrument at the European X-ray free electron laser fac显示文摘High-energy and high-intensity lasers are essential for pushing the boundaries of science.Their development has allowed leaps forward in basic research areas,including laser±plasma interaction,high-energy density science,metrology,biology and medical technology.The Helmholtz International Beamline for Extreme Fields user consortium contributes and operates two high-peak-power optical lasers using the high energy density instrument at the European X-ray free electron laser(EuXFEL)facility.These lasers will be used to generate transient extreme states of density and temperature to be probed by the X-ray beam.This paper introduces the ReLaX laser,a short-pulse high-intensity Ti:Sa laser system,and discusses its characteristics as available for user experiments.It will also present the first experimental commissioning results validating its successful integration into the EuXFEL infrastructure and viability as a relativisticintensity laser driver.A.Laso Garcia H.Höppner A.Pelka C.Bähtz E.Brambrink S.Di Dio Cafiso J.Dreyer S.Göde M.Hassan T.Kluge J.Liu M.Makita D.Möller M.Nakatsutsumi T.R.Preston G.Priebe H.-P.Schlenvoigt J.-P.Schwinkendorf M.šmíd A.-M.Talposi M.Toncian U.Zastrau U.Schramm T.E.Cowan T.Toncian 2021High Power Laser Science and Engineering2021,9,4:0
2反刍动物的补饲物——复合营养砖显示文摘营养不平衡,特别是发酵氮和蛋白质,对反刍家畜产生一系列不良影响,如产犊率、出生重降低;犊牛死亡率增高;断奶重减轻}乳产量下降。为了提高牛的生产力,在发展中国家的小规模养牛者中应当建立一种替代营养体制,这包括补饲营养,即应用含有发酵氮及其它微生物生长因子的复合营养砖,以及通过调控瘤胃功能来提高作物残留物饲料及秸秆的消化率,引入这些技术特别适用于那些不易获得推广服务的小型养牛者。R.A.Leng T.R.Preston 崔用侠 1993国外畜牧学(草原与牧草)1993,,2:0
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