【摘 要】
：
To date,a complete auditory apparatus(with malleus,incus,stapes,ectotym-panic and perhaps surangular)is known for only three Mesozoic mammals,the haramiyidan Arboroharamiya allinhop-soni[1],the multituberculate Sinobaatar pani[2]and the zhangheotheriid Or
【机 构】
：
Section of Mammals,Carnegie Museum of Natural History,USA;Centre for Vertebrate Evolutionary Biology
论文部分内容阅读
To date,a complete auditory apparatus(with malleus,incus,stapes,ectotym-panic and perhaps surangular)is known for only three Mesozoic mammals,the haramiyidan Arboroharamiya allinhop-soni[1],the multituberculate Sinobaatar pani[2]and the zhangheotheriid Origolestes lii[3],with subsets of these bones preserved in a handful more,including the haramiyidan Vilevolodon diplomylos[4,5]discussed here.A goal of Wang et al.[5]was to evaluate the de-bate surrounding the various interpreta-tions of these bones and to offer a cau-tionary tale about overinterpreting these structures.Because the new specimen of Vilevolodon reported by Wang et al.
其他文献
Halide perovskites containing both or-ganic and inorganic cations are receiving extensive attention for their promising optoelectronic properties,including pho-toluminescence (PL) [1,2].Tuning these properties for specific applications and designing and s
我们家有一块自留地,镶在一大片水田的边缘,形似一条幼嫩的舌头,浅浅地伸进宽阔的秋水河,啜饮清澈的河水,因而变得滋润肥沃.不过它的面积实在太小,仅有半余亩,且产权很不清晰,我的爷爷、舅爷爷、姨爹爹都以主人自居,都想按照自己的主意种点什么.可其他人也是这么想的,所以他们之间明争暗斗,互不相让.从血气方刚争到胡子花白,总算在酒桌上达成了盟约,那就是一人管一年,随你种茨菰、荸荠还是稻子,反正水田里能种的也只有这些.
段祺瑞生于1865年,与孙中山是同代人,长蒋介石一辈.1926年7月,国民革命军开始北伐,蒋介石是北伐军总司令.北伐军要打击、消灭的敌人是北洋军阀.段祺瑞是北洋军阀中最具有代表性的人物,也可以说,是继袁世凯之后的第一号人物.那么,段祺瑞应该是北伐军总司令蒋介石的头号敌人了?但事情又并非这么简单.段祺瑞与蒋介石有着师生之谊,段祺瑞能够善终,能够寿终正寝于沪滨,与蒋介石有着莫大关系.
Potassium ion batteries (PIBs) are gaining traction as an alternative scalable energy storage system due to a high abundance of potassium resources(1.5 wt％ in the Earth\'s crust),fast ion transport kinetics of K+ in electrolyte and low standard reductio
N HK“大河剧”与织田信长相关者不少,观众每于织田军旗、帐幔或武士盔甲、背旗上赫然见“永乐通宝”钱纹.此其军徽也,信长乃日本战国间最重商之大名,特用以炫己富.人于货币,日常反应都是“钱”字,仅关贫富,其实那是货币较不重要的意义.rn货币,因人类社会趋于复杂而生.起初,生产惟自奉自给,从事何种劳动即因所获为食养,以外不能致.后当分工出现、交往扩大遂知交换,以我所有易以所无,己所不产亦因得之,然仅物物相换.
The study of the evolution of the mam-malian middle ear has been fueled by con-tinuous discoveries of Mesozoic fossils in the last two decades.Wang et al.[1]re-cently reported a specimen of Vilevolodon diplomylos[2]that adds to the increasing knowledge ab
The silicon (3560 mAh/g) anode delivers a 10-times-higher specific capacity than that of the graphite counterpart (372 mAh/g).However,the large volume change of Si during lithiation and de-lithiation processes always result in poor cycling stability.Lots
一五年前,当我接触到王啸峰小说的时候,我立即感到这是一个文学叙述的“怪胎”,面对他“驳杂迷幻”的小说文本叙述,在阅读、接受的层面,很容易就会令人在审美上产生“慌不择路”甚至不知所措的感觉.我想,为此我必须调整自己的阅读方式,或者重新整饬自己的小说理念,以及自己对事物的认知和理解方式,来仔细地面对他的文本.王啸峰两本重要的小说集《隐秘花园》和《浮生流年》,分别由王啸峰的“乡党”汪政和王尧两位江苏籍评论家作序.我在系统地阅读这两本集子时,刻意地先规避这两位评论者对王啸峰小说的判断和评价,我担心我没有“定力”,