It proposes the measurement approach to Industry Chain Coefficient. By demonstrating the industry cluster mechanism, and based on the diamond theory by Porter, it proposes further a Spiral Crystal Model on industrial clusters competitiveness.

1、

Central branches originated from the middle cerebral artery at the right angle. Its begining part inside had spiral valviform crest.

中央支以直角发自大脑中动脉，其始部内面有螺旋形瓣膜样的嵴。

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2、

Application of spiral inlet to vaporizing cooling water tube on bottom of heating furnace

加热炉炉底汽化冷却水管内螺旋插入件的应用

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3、

Based on the analysis to the failure of the CC roll, a composite CC roll with the spiral water cooling form and the prestressed structure was developed by a new material suitable to the CC working condition.

在分析连铸辊破坏原因的基础上，提出了适用于连铸辊工作条件的新材质，试制出了带有预应力结构和螺旋水冷结构的复合连铸辊。

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4、

An example of maintenance of spiral CT cooling system

螺旋CT制冷系统故障检修1例

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5、

The paper describes the design theory and design thinking of the state-patented LX type ammonia converter internals. It makes discussion on this internals with regard to the problems of gas flow distribution as well as the matching of heat of reaction with heat removed by spiral cooling plates etc.

介绍了获国家专利的LX型氨合成塔内件的设计理论和设计思路.对该内件的气流分市、螺旋冷板的移热与反应热相适应等问题进行了讨论。

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6、

In the field of aerospace manufacturing, the processing of the spiral cooling channel, which is on the combustion chamber nozzle of liquid rocket engine, is a key technology.

在航天制造领域中，液体火箭发动机燃烧室喷管的螺旋式冷却通道加工是一项关键技术。

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7、

It adopts inner spiral cooling, which ensure that it takes inner heat away efficiently.

公司卧式珠磨机采用内螺纹式冷却方式，保证研磨体内部热量有效的散失。

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8、

The spiral cooling hole is one form of rib-turbulators cooling passage which has a good heat change effect.

螺旋冷却孔是肋化通道的一种形式，热交换效果优越。

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9、

Quality control of high-strength big six-angle spiral connection

高强度大六角头螺栓连接的质量控制

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10、

On the other hand, simulate by the Fluent software the jetting status of the double orbits water jet spiral nozzle jetting under 40 MPa pressure-inlet, then got the best working status of the spiral cone jet nozzle.

另外还用Fluent软件分别对双头不同导程的2种旋转喷头在40MPa进口压力条件下的喷射状态进行分析，从而得出旋转锥形喷嘴的最佳工作状态。

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11、

The necessity and possibility of applying new energy saving sealing devices to the machinery for pulp handling were analyzed. Tow structures of cylinder spiral sealing and cone spiral sealing were recommended.

简要分析了纸浆类设备采用新型节能密封装置的必要性和可能性，推荐了圆柱形螺旋密封和圆锥形螺旋密封2种结构。

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12、

The idling loss of the flywheel energy storage system supported by the spiral groove cone bearings of various cone top radius was measured at a number of rotational speeds, and the measurement results are consistent with theoretical estimates.

在多个转速下测定了不同锥顶半径螺旋槽轴承支撑的飞轮储能试验系统的空载损耗功率，测试结果与理论预计一致。

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13、

Idling Loss of Flywheel Energy Storage System Supported by Spiral Groove Cone Bearings

采用螺旋槽锥轴承的飞轮储能系统空载损耗研究

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14、

Introduces the methodologies and steps of exact modeling for the standard involute spiral cone gear in environment of Pro/ Engineer. Based on principle, using equation build up the involute.

介绍了在Pro/E环境下，实现标准渐开线弧齿锥齿轮的造型方法和步骤，从原理出发，利用方程建立渐开线，从而保证齿形的准确性。

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15、

A design case was studied and examined in the spray test-bed developed ourselves, which grounded the optimization of the spiral cone nozzle.

给出了螺旋圆锥喷嘴计算实例，并在自行开发的雾化试验台进行试验验证，为螺旋圆锥喷嘴的优化打下了基础。

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16、

Study on the method of molding for the Gleason spiral cone gear based on Pro/ Engineer

基于Pro/E的格利森制弧齿锥齿轮副的三维建模方法研究

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17、

Regulating method of contact spots of spiral cone gears

螺旋锥齿轮接触斑点调整法

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18、

A Study on Multi-objective Optimization Design of Spiral Cone Gear in Loader Axles

装载机驱动桥螺旋锥齿轮多目标优化设计研究

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19、

Simulation of Spiral Cone Water Jetting Based on Software Fluent

基于Fluent的模拟旋转锥形射流计算分析

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20、

CAD/ CAM Integrated System for Spiral Cone Gear Base

螺旋锥齿轮齿坯CAD/CAM集成系统

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