The Wonderful Wizard of Oz is a world- renowned novel.This essay compares the original version and one abridged version.The abridged version keeps the main plot of the original version and easy to read,but loses the e...The Wonderful Wizard of Oz is a world- renowned novel.This essay compares the original version and one abridged version.The abridged version keeps the main plot of the original version and easy to read,but loses the embedded message and decreases pleasure of reading.It may help varied readers choose literary works and induct ELS teachers to arrange reading lists for students.展开更多
SN 2006oz is a super-luminous supernova with a mysterious bright precursor that has resisted explanation in standard models.However,such a precursor has been predicted in the dual-shock quark nova model of super-lumin...SN 2006oz is a super-luminous supernova with a mysterious bright precursor that has resisted explanation in standard models.However,such a precursor has been predicted in the dual-shock quark nova model of super-luminous supernovae–the precursor is the supernova event while the main light curve of the super-luminous supernova is powered by the Quark-Nova（explosive transition of the neutron star to a quark star）.As the supernova is fading,the Quark-Nova re-energizes the supernova ejecta,producing a＂double-humped＂light curve.We show that the quark nova model successfully reproduces the observed light curve of SN 2006oz.展开更多
To reduce the first-pass effect and increase the targeting of ozagrel(OZ),the ozagrel -magnetoliposomes(OZ-MLs)were prepared in this study.Here,we described the preparation and characterization of OZ-MLs.It had a diam...To reduce the first-pass effect and increase the targeting of ozagrel(OZ),the ozagrel -magnetoliposomes(OZ-MLs)were prepared in this study.Here,we described the preparation and characterization of OZ-MLs.It had a diameter of around 0.2μm.To prevent the aggregation of particles,the magnetite was treated with a surfactant,resulting in a stable ferrofluid suspension. The cumulative release of OZ from OZ-MLs could be up to 64.5%in 30 min in vitro under AC-magnetic field.However,it was only 24.0%for OZ-MLs without AC-magnetic field.展开更多
对话商务已成为消费者最常用的与商家沟通的渠道之一,聊天机器人在其中的应用已越来越广泛。学术界有必要探究人与智能体间的交互行为规律,从而为聊天机器人的设计与应用提供指导。本文对比商务对话中的人机交互与人人交互,研究在线客...对话商务已成为消费者最常用的与商家沟通的渠道之一,聊天机器人在其中的应用已越来越广泛。学术界有必要探究人与智能体间的交互行为规律,从而为聊天机器人的设计与应用提供指导。本文对比商务对话中的人机交互与人人交互,研究在线客服对话中,用户对交互对象的认知是机器人或人工以及采用双面论证或单面论证的对话设计对交流效果和体验的影响。本研究采用实验室实验,使用人机交互领域的沃兹原型(Wizard of Oz)方法。结果表明,在人机对话中,双面论证对用户的购买意愿无显著影响,而在人人对话中,双面论证对用户的购买意愿产生负面影响。当用户面对机器人客服时,双面论证对客服可信度和用户愉悦度的积极影响比人人对话中更明显。展开更多
文摘The Wonderful Wizard of Oz is a world- renowned novel.This essay compares the original version and one abridged version.The abridged version keeps the main plot of the original version and easy to read,but loses the embedded message and decreases pleasure of reading.It may help varied readers choose literary works and induct ELS teachers to arrange reading lists for students.
基金supported by operating grants from the National Science and Engineering Research Council of Canada (NSERC)
文摘SN 2006oz is a super-luminous supernova with a mysterious bright precursor that has resisted explanation in standard models.However,such a precursor has been predicted in the dual-shock quark nova model of super-luminous supernovae–the precursor is the supernova event while the main light curve of the super-luminous supernova is powered by the Quark-Nova（explosive transition of the neutron star to a quark star）.As the supernova is fading,the Quark-Nova re-energizes the supernova ejecta,producing a＂double-humped＂light curve.We show that the quark nova model successfully reproduces the observed light curve of SN 2006oz.
文摘To reduce the first-pass effect and increase the targeting of ozagrel(OZ),the ozagrel -magnetoliposomes(OZ-MLs)were prepared in this study.Here,we described the preparation and characterization of OZ-MLs.It had a diameter of around 0.2μm.To prevent the aggregation of particles,the magnetite was treated with a surfactant,resulting in a stable ferrofluid suspension. The cumulative release of OZ from OZ-MLs could be up to 64.5%in 30 min in vitro under AC-magnetic field.However,it was only 24.0%for OZ-MLs without AC-magnetic field.
文摘对话商务已成为消费者最常用的与商家沟通的渠道之一,聊天机器人在其中的应用已越来越广泛。学术界有必要探究人与智能体间的交互行为规律,从而为聊天机器人的设计与应用提供指导。本文对比商务对话中的人机交互与人人交互,研究在线客服对话中,用户对交互对象的认知是机器人或人工以及采用双面论证或单面论证的对话设计对交流效果和体验的影响。本研究采用实验室实验,使用人机交互领域的沃兹原型(Wizard of Oz)方法。结果表明,在人机对话中,双面论证对用户的购买意愿无显著影响,而在人人对话中,双面论证对用户的购买意愿产生负面影响。当用户面对机器人客服时,双面论证对客服可信度和用户愉悦度的积极影响比人人对话中更明显。
