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新年献辞感动中国的图书馆学 总被引：1，自引：0，他引：1
年终岁末,中央电视台都会评选感动中国的十大人物,带动观众感受一年来社会良心的跳动,迎接更加美好和谐的新年.十个鲜明的人物,十种精彩的人生,许多忙碌、冷漠了一年的心灵在此刻可能会产生些许的温柔,涌动些许的暖流. 相似文献
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INTRODUCTION Dynamics of carbon and water vapor fluxesexchange between the atmosphere and the ecosystembiosphere, depend on complex and non-liner interplayamong physiological, ecological, biochemical andedaphic factors and meteorological conditions (Jarvis,1995; Leuning et al., 1995). There are many studiesquantifying the fluxes across different time and spacescales as well as assessing the environment con-straints on them by some kinds of biophysical orempirical models whose resul… 相似文献
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Su San 《中外文化交流(英文版)》2005,(9):20-23
Silk screen printing is an innovative modern art genre highly relying on technologies and media materials. Although it was only introduced into China twenty years ago, it has quickly stood out of the shadow of wood printing and broken through the confines of materials and tools, developing into an independent style integrating modern art and oriental culture. 相似文献
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微波谷物测湿原理及国外新进展 总被引：4，自引：0，他引：4
回顾了利用谷物介电特性，进行微波谷物湿度测量的最新发展概况，详细地引述了与该课题有关的主要文献．文章着重阐述了微波谷物测湿的新理论，其中包括在疏松谷物中，作为“密度不相关”测湿方法的“双参量技术”，和用于确定谷物“颗粒湿度”的“尺寸不相关”及“形状不相关”的微波谐振腔测量技术 相似文献
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利用液相法合成了侧链带双羟基且具有C2 对称性的环二肽C_[L_Ser_L_Ser]并将其作手性配体催化不对称的Reformatsky反应。考察了反应底物结构以及反应条件等因素对反应产物e.e.值的影响。产物的e.e.值最高达 64%。提出了可能的反应机理 相似文献
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The finite Berry curvature in topological materials can induce many subtle phenomena, such as the anomalous Hall effect(AHE), spin Hall effect(SHE), anomalous Nernst effect(ANE), non-linear Hall effect(NLHE) and bulk photovoltaic effects. To explore these novel physics as well as their connection and coupling, a precise and effective model should be developed. Here, we propose such a versatile model—a 3D triangular lattice with alternating hopping parameters, which can yield various topological ... 相似文献
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Liu Hongge Cao Su 《中外文化交流(英文版)》2007,(12):32-33
On the evening of October 27, despite heavy, rain and muddy roads, people were heading in an endless stream for the Sports and Arts Palace in the center of Cotonou, capital city of Benin, hoping to catch the last performance by Tianjin Acrobatic Troupe from China. The troupe＇s Benin tour is part of the China- Benin Cultural Cooperation Program 2006-2009, following its visiting performances in Senegal. 相似文献
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Objective： To discuss possible relationships between class In malocclusion and perioral forces by measuring the pressure from the lips and the tongue of children with class nI malocclusion. Methods： Thirty-one children with class In malocclusion were investigated and their perioral forces were measured at rest and during swallowing under natural head position by a custom-made miniperioral force computer measuring system. Results： The resting pressures exerted on the labial side and palatine side of the upper lett incisor, as well as the labial side and lingual side of the lower lett incisor, were 0 g/cm^2, 0 g/cm^2, 0.57 g/cm^2 and 0.23 g/cm^2, respectively. Correspondingly, the swallowing forces were 2.87 g/cm^2, 5.97 g/cm^2, 4.09 g/cm^2 and 7.89 g/cm^2, respectively. No statistical difference between muscular pressure and gender existed. During swallowing, the lingual forces were significantly higher than the labial forces （P〈0.01）, however, at rest there was no significantly different force between these two sides. Compared to the normal occlusion patients, children with class Ⅲ malocclusion had lower pedoral forces. The upper labial resting forces （P〈0.01）, the lower labial resting forces （P〈0.05） and all the swallowing pressures from the lips and the tongue （P〈0.01） showed statistical differences between the two different occlusion conditions. Meanwhile, no significant difference was found for the resting pressure from the tongue between class Ⅲ malocclusion and normal occlusion. Conclusion： Patients with class Ⅲ malocclusion have lower perioral forces and this muscle hypofunction may be secondary to the spatial relations of the jaws. The findings support the spatial matrix hypothesis. 相似文献