on falt spot in flash welded joints of alloy steel rails

1、

two butt weld technologies for steel rails

两种钢轨的对接焊工艺

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2、

a research on the quality of steel rails produced in baotou iron and steel company

包钢钢轨质量研究

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3、

study on reducing decarburisation depth of steel rails

降低钢轨脱碳层深度的研究

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4、

research on application of rare earth in high strength steel rails

稀土在高强度钢轨中应用的研究开发

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5、

this paper established a dimension calculation formula for stainless steel cutleries in different shape through calculus and module method.

通过微积分和模拟方法，建立不同形状不锈钢食具容器的面积计算通用公式。

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6、

mainly includes: at present, the section types of concrete-filled steel tube included square shape and circular shape.

目前钢管混凝土结构的主要截面形式为方形和圆形。

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7、

effects of steel grade, rail shape and process on residual stress of steel rail after straightening

钢种、轨型及生产工艺对钢轨矫后残余应力的影响

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8、

development of steel wire for groove shape umbrella framework

槽型伞骨用钢丝的研制

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9、

the strip shape is important qualitative index of the high-level cold-strip steel, the shape control is the core technology, the key technology, the frontier technology and the high-end technology of the cold-strip steel rolling mill.

板形是高级冷轧带钢的重要质量指标，板形控制是冷轧带钢轧机的核心技术、关键技术、前沿技术和高端技术。

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10、

for the cover of rolled stainless steel plate welded shape, cover and vacuum sealing flange at the end of the trough of large vertical lathe machining fine car molding.

内罩为不锈钢板卷制密焊成型，罩底法兰和真空密封槽由大型立车精车加工成型。

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11、

the morphology of martensite of the steel is the shape of lath, and there exist films of retained austenite between lathes.

淬火组织为板条马氏体，马氏体板条间存在残余奥氏体薄膜；

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12、

for the strip steel, the shape dimensions including thickness, width, board line, board convexity, planform and so on.

对于板带钢来说，外形尺寸包括厚度、宽度、板形、板凸度、平面形状等等。

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13、

seismic response control of tall steel structures using shape memory alloy tendons

高层钢结构地震反应形状记忆合金拉索控制研究

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14、

for single span beam or interior span beam of prestressed concrete frame, a simplified method for calculating secondary moment was developed. a parabola was used instead of real prestressing steel bar shape in this method. the method is easy and the result is accurate.

对于单跨预应力混凝土框架梁和多跨预应力混凝土框架的内跨梁，通过位移法证明了用一定矢高的单波抛物线代替实际预应力筋进行次弯矩的计算，方法简单，结果准确。

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15、

necessary control actions to ensure the consistency of the casing thread parameters are proposed in accordance with the analysis on the mechanism concerning the stress ageing influence on the steel tube shape.

通过应力时效对钢管形体作用的机理分析，提出确保套管螺纹参数稳定的控制措施。

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16、

methods: maxillary sinus stent was made of stainless steel in shape of z and bilaterally covered with silicon membrane.

方法：采用Z型不锈钢丝为骨架、两面覆盖硅橡胶薄膜的卷曲型支架。

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17、

laser flatness gauge is widely used in on-line measurement of the steel strip shape in hot rolling progress.

激光平坦度仪广泛应用于热轧带钢平坦度在线检测与控制。

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18、

steel strands shape parameters of skew prestress box girder

斜交预应力箱梁钢绞线形状特性及其影响

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19、

therefore, accuracy of the crown closed-loop control model directly impact on the quality of the steel plate shape.

因此板凸度闭环控制模型的精度直接影响着钢板的板形质量。

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20、

fabrication of inspecting steel plate shape and position system based on machine vision

基于机器视觉的钢板形位检测系统

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