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This article describes the preparation process of the anion acrylic and its test.In this study,using natural mineral nan......
Efficacy and Safety of Teriflunomide in Chinese Patients with Relapsing Forms of Multiple Sclerosis:
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The Great Gatsby （1925）， one of the most renowned novels of F·Scott Fitzgerald， is hailed as the sparkling representative w......
In Chinese classics,there is frequent mention of a small matriarchal kingdom believed to have existed some 1, 000 years ......
My surprising experience began at the balcony on the top of a residence in Zili Village, Kaiping County, the coastal pro......
The Sutong Yangtze River Bridge(short as Sutong Bridge)is now the largest span cable-stayed bridge in the world.The cons......
The article discusses several hemispheres of human resource management based on a typical case review. The study present......
Parameter effects on the dynamic characteristics of a super-long-span triple-tower suspension bridge
A 3D finite element model for the Taizhou Yangtze River Bridge,the first triple-tower long-span suspension bridge in Chi......
An improved soft kill option(SKO) method is proposed to achieve the optimization design of tower crane boom. For a bette......
London is a famous city with a long history. The beautiful scenes, mild climate, old culture, advanced education and flo......
This site in the Peal River Delta abounds in unusual towers built for defense and as a refuge from natural disasters Jia......
Wind energy is a clean and renewable energy for which technology has developed rapidly in recent years.Wind turbines are......
In order to get more precise bursting pressure formula of mild steel, hundreds of bursting experiments of mild steel pre......
The definition and functions of parametric design were introduced.According to the practical condition of mechanical eng......
Wuhan is a city with both an ancient history and a thriving present. Historic relics excavated from ancient tombs tell t......
The high-voltage power transmission system is an important lifeline structure. It is significant for wide researches on ......
定语从句是高中英语的重要语法项目之一，它的结构和用法比较复杂。我们应从哪些方面有效地复习定语从句呢？ [定语从句的种类] ......
Once there was a little ant. She wanted to get married， but she only wanted to marry the strongest creature. 从前，有一......
Quanzhou,also called Licheng and Citong Cheng,is one of the most famous historical and cultural cities in China.
Quanzh......
技巧1 跳读命题出处抢分 所谓跳读，指的是根据问题信息跳跃性地阅读文章的某些段落或某些句子。跳读可以加强阅读的针对性、节约......
近年来，随着社会的不断进步和经济水平的迅猛提升，我国的电力行业也在不断深化改革。在电力设施建设中，特高杆塔和高杆塔被广泛运用，然......
建立3种不同精细程度的风力发电机组有限元模型，开展模态分析；采用振型分解反应谱法计算塔底地震载荷。结果表明：考虑叶片的柔性后，塔......
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Sutong Bridge tower which is 300.4 m is the highest one in the world. The tower anchor area uses the steelconcrete compo......
某钢厂1700热轧线在卷取后存在一定数量的塔形卷,以立卷上部内塔塔形为主。结合生产的工艺特点和生产要求,在卷取机后翻钢区域设计......
GoldenEar是一个刚进入中国市场的全新品牌。我相信绝大部分的人对它并不熟悉,但说到Polk Audio和Definitive Fidenity这两个品牌......
巨型垂直轴风机因其塔筒较高，结构细长，刚度和阻尼相对较小，在安装过程中由于风载作用容易产生较大的振动和变形，引起塔筒失稳破坏。采......
为分析电网电压跌落对风力机塔架振动的影响,利用二节点梁对风力机塔架进行离散化建模,分析了塔架振动的模态.建立了塔架动力学运......
The main span of Sutong Bridge is a double-pylon, double-plane cable-stayed bridge with steel box girder, which has the ......
"峰丛"和"峰林"是在中文文献中使用的两种主要的喀斯特地貌术语.而在其它国家,这两种地貌通常被定义为"锥状喀斯特"和"塔状喀斯特"......
为实现某大型水平轴风力机塔筒顶部焊缝的抗极限与疲劳强度设计,建立塔筒顶部的有限元模型。模型充分考虑螺栓预紧力、轴承刚度、......
通过利用大型非线性有限元软件ANSYS对具有不同主杆初始弯曲状态、初始弯曲挠度和长细比的39种塔架进行数值模拟和分析,得出:塔架......
中国石油抚顺石化公司石油三厂分子筛脱蜡装置是生产液蜡的二次加工装置,该装置的V-403塔主要作用是分离C13和C14,在运行期间,V-40......
近年来,石油、化工等行业中对设备的耐蚀性要求越来越高,锆由于其优异的耐蚀性有望得到更广泛的应用。以某项目中一台锆制塔器设计......
介绍了高耸框架结构的定向爆破拆除方法.通过合理的预处理、合适的炸高设计和准确的装药计算,保证了建筑物的定向爆破安全和效果.......
应用第三强度理论和古布金Z形图的罗德参数,对内压塔器下端与裙座对接的标准椭圆封头的受力进行了分析。分析认为,在某些情况下,该......
介绍温哥华高层住宅最新发展实例及技术特点....
雷击就是严重的自然灾害之一。但就我国而言,过去防雷设计在整个建筑设计中所占的比重很小。电气设计人员不重视,其他专业的设计人......
全面实施燃煤电厂超低排放和节能改造,是推进煤炭清洁化利用、改善大气环境质量、缓解资源约束的重要举措。天津大唐国际盘电公司......
通过对不同影响因素（包括土壤的水份和盐份、温度、土壤分层模型和接地体的形式等）的分析,简要地探讨了它们对土壤电阻率的影响,进一......
随着特高压工程以及同塔多回路工程的大量发展,自立式钢管塔已成为输电线路杆塔设计的主流。本文主要根据镇海~舟山500kv线路工程(......
介绍斯里兰卡科伦坡莲花电视塔顶端钢桅杆安装技术,列举实用新型液压提升工艺和提升措施的设计与计算,较详细地对项目中的重点、难......
在建筑施工领域可通过BIM技术、WSN技术、无人机技术、智慧工地管理平台等信息化手段综合应用,实现对施工现场关键要素全过程、全......
生产控失型复混肥料是今后肥料产品结构调整的方向之一，着重介绍了用高塔装置改产控失型复混肥料的工艺技术路线，控失型复混肥料的形......
介绍了2种模板的设计方法、结构尺寸以及与模板配套的钻模设计.提出了防止模板变形应采取的加强措施.......
介绍了金属带材表面的正犁削翅成形原理及翅化共轭环塔填料的加工过程,分析了在铝带材表面上形成规则翅片的犁削条件,测试比较了翅......
讨论了MW级风力机塔架的有限元静力及稳定性建模分析和有限单元类型的选取及计算方法,并以1.5MW某风力发电机塔架为例,对风力发电......
