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Beijing’s security authorities are spreading a net of safety measures across the city in preparation for the Olympics
......
In order to conduct a comparative analysis on China’s Telecommunications/ICT regulation effectiveness to make up the om......
Expression of netrin-1 and its receptors, deleted in colorectal cancer and uncoordinated locomotion-
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Theme song of the Beijing Olympic Games moved singers to tears British soprano Sarah Brightman has become the first pers......
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Geoffrey Burnstock completed a BSc at King’s College London and a PhD at University College London. He held postdoctora......
Formation of texture of Ni_(48)Mn_(31)Ga_(21) polycrystalline alloy by thermal simulation pack rolli
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It is well known that the estuarine research in China has got great achievements since the past 50 years. The developmen......
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Dendritic Growth, Eutectic Features and Their Effects on Hardness of a Ternary Sn–Zn–Cu Solder Alloy
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TOPOLOGICAL EXPRESSIONS FOR GENERAL k-ORDER COFACTOR OF INDEFINITE-ADMITTANCE MATRIX OF ACTIVE NETWO
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首先探讨了土结接触面的含义、接触面相对位移的组成以及接触面的破坏形式,然后提出以黏聚区域模型描述接触面滑动和拉裂破坏变形......
Channel measurements and models for high-speed train wireless communication systems in tunnel scenar
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,Empirical relationship between foreign direct investment and economic growth An ARDL co-integration
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Geometric optimization model for the solar cavity receiver with helical pipe at different solar radi
该文从挂篮荷载计算、施工流程、支座及临时固结施工、挂篮安装及试验、合拢段施工、模板制作安装、钢筋安装、混凝土的浇筑及养生......
Influence of Seed Priming on Performance and Water Productivity of Direct Seeded Rice in Alternating
Direct seeded rice is promising alternative to traditional transplanting, but requires appropriate crop and water manage......
Rock drill-ability anisotropy has significant effects on directional drilling and deviation control. Its evaluation is a......
该文从挂篮荷载计算、施工流程、支座及临时固结施工、挂篮安装及试验、合拢段施工、模板制作安装、钢筋安装、混凝土的浇筑及养生......
为了解决现有降噪材料吸声系数测量方法缺陷,实现对材料现场安装后的吸声系数进行测量,研制了一套测量现场吸声系数的装置.该装置......
目的建立直接进样八极杆碰撞池电感耦合等离子体质谱(ORS-ICP-MS)测定全血中二十种元素的快速测定方法。方法全血样用0.1%TritonX1......
为了提高无刷双馈风力发电机系统的控制灵活性和故障冗余能力,进一步减小所需变频器容量,实现最大功率跟踪,提出一种具有开绕组结......
通过分析激光聚变中近背向散射光的收集方式,提出了采用漫反射板收集近背向散射光的方法。通过对漫反射板的应用场景分析,提出了需......
Joint DOA and channel estimation with data detection based on 2D unitary ESPRIT in massive MIMO syst
We propose a novel method for joint two-dimensional (2D) direction-of-arrival (DOA) and channel estimation with data det......
目的 研究大鼠额叶皮层神经干细胞(NSC)定向诱导分化类神经元细胞过程中的超微结构变化.方法 取Wistar出生24h新生鼠额叶脑组织加......
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提出直接谐振控制技术,解决双馈发电机因电网电压不平衡引起输出有功/无功功率、电磁转矩和定子电流中含有二倍频分量,导致双馈发......
陆基导航系统应用于弹道导弹组合导航时,将定向波束技术引入到导航过程中,基于标准弹道轨迹计算得到实时变化的定向波束中心方向,......
活动目录服务功能是Windows 2000最重要的新功能之一，理解并灵活地运用活动目录技术能更高效、方便地管理基于Windows服务器家族的......
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现有的有向数字签名方案均采用了增加签名方和验证方的指数运算来实现接收者直接验证签名。提出了一个基于复合离散对数的有向数字......
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在研究了现有画有向无环图的主要方法的基础上提出一种基于遗传算法的有向无环图画图算法,将一般有向无环图的画图问题转换为函数......
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