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The effects of copper and silicon on matrix structures and mechanical properties of as-cast ductile iron well frame casting were studied and the role of Si and Cu on the as-cast ductile iron was analyzed.

研究了铜和硅对铸态球铁井圈基体组织和力学性能的影响，并对铜和硅在铸态球铁中的作用机理进行了分析。

After 20 years of development, now form a roll, and Precision Castings as a leader and set cast steel, cast iron, non-ferrous metal castings for the one-scale enterprises.

经过20多年的发展，现已形成以轧辊和精铸件为龙头的，集铸钢、铸铁、有色金属铸件为一体的规模企业。

The stress-frame specimens of the gray cast iron and silumin are cast in the sand mold.

编制了可模拟计算平面问题异型件铸造应力的电子计算机程序。

To cast this lures you can cast the lure wherever you like, especially on some places that you know that is a reef structure below the water, and the water is at least 4 meters deep, and you can reach the depth that you want because the VIB lure sinking models they sink very fast, and for that you have to obtain, some experience to use it.

若要投这诱饵则可以强制转换诱惑你特别是在一些地方，你知道这是在的水一礁结构和水是最少 4 米深的情况下，和可以到达深度，因为该 VIB 诱使他们非常接收沉模型，您希望快速，和，您必须获得一些经验，使用该。

Learn about assembly of fly tackle; the biology of fish; natural fish foods and how to imitate them; safety techniques; bass flies; where to find bass; the eleven habits of highly effective fly casters; the basic four-part cast; the roll cast; the basics of fly tying; types of flies; the top ten most popular and successful fly patterns; and much more.

了解组装对付飞；鱼类生物学；天然鱼类食品及如何模仿；安全技术；低音苍蝇；何处觅低音；11飞习惯高效连铸；基本分为四个部分，投下；轧辊铸造；懂飞拴；蝇类；十大最受欢迎和成功飞行模式；而更多。

The strength of die cast alloy is equivalent to that of conventional high strength die cast aluminum alloy after low temperature ageing, while its plasticity is in creased by 29%.

国内的情况与国际相比，仍存在一定的差距，目前，国内所谓的高强度压铸铝合金抗拉强度一般能达到300MPa左右，但塑性一般较低，伸长率%[1~3]。

The mechanical properties and microstructure of high-chromium cast iron containing 13% Cr were studied on the basis of experiments, and it was found that silicon and inoculations influenced the high-chromium cast iron with different microstructures in almost the same way.

在试验的基础上研究了含Cr13%的高铬铸铁的力学性能和组织特点，发现含硅量和变质处理对不同基体的高铬铸铁具有相似的影响规律；根据Fe-C-Cr三元相图对Cr13%高铬铸铁的凝固过程进行了分析，从一个新的角度揭示了铸造条件、含硅量和变质质处理对高铬铸铁性能和组织的影响机理。

Moving cast shadows generally exist in video sequence. To prevent moving shadows being misclassified as moving objects or parts of moving objects, and improve the accuracy of shadows detection algorithm, an algorithm of moving cast shadows was proposed based on spatial information.

运动阴影在视频图像序列中普遍存在，为了防止被错误地检测为目标，提高阴影检测算法的准确性和普适性，提出了一种基于空间变换技术的运动阴影检测算法。

Jingjiang City, double-hung steel valve factory founded in 2001, the current owner has developed into more than 60 employees and occupies an area of 5000 square meters, fixed assets of 8,000,000 yuan professional manufacture metallurgical, mining, electricity, chemical industry machinery and equipment, such as the backbone of enterprises, setting up a research institute, special casting, cast steel, cast iron, metal structure, machining, heat treatment, assembly, such as eight workshops, has a steel cutting machine, special casting equipment, Large floor boring machine, gantry milling machine, heavy duty horizontal lathe and CNC lathe machining and other large and medium-sized equipment and heat treatment equipment.

靖江市双鸿特钢泵阀厂创建于2001年，目前已发展成为拥有60余名员工、占地5000平方米、固定资产800万元的专业制造冶金、矿山、电力、化工等机械设备的骨干企业，下设一个研究所、特种铸造、铸钢、铸铁、金属结构、机械加工、热处理、装配等八个车间，拥有钢材切割机、特种铸造设备、大型落地镗床、龙门铣床、重型卧式车床及数控车床等各种机械加工设备和大中型热处理设备。

The company has cast iron, cast steel, metal processing, assembling a full set of production equipment.

本公司拥有铸铁、铸钢、金加工、装配全套生产设备。

You can snipe the second and third union leaders from this position.

您可以鹬第二和第三工会领袖从这一立场出发。

Aiming at the currently shortage of XML streams quality detecting, this paper proposes a new forecasting method of XML streams quality by least squares support vector machines, which is used the method of XML keys' vector matrix as windows, and vector product wavelet transform to multilevel decompose and refactor the XML streams series, that can fulfill real-time checking demand of XML quality, and ensure constraint, consist- ency and integrality. For even more adapting net load, it proposes a control strategy by weight and adaptive adjustment to ensure XML streams quality.

针对当前XML数据流质量检测存在的不足，提出构建XML键的矢量矩阵作为窗口，利用矢量积小波变换多级分解与重构XML数据流，再结合最小二乘支持向量机对XML数据流质量进行预测的一种方法，满足XML数据流质量重构时实时检测的要求，保证XML数据的约束性、一致性与完整性；为了更好的适应网络负载，采取加权与自适应窗口调整等调度策略充分保证XML数据流的质量检测。