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1、

The hot zone is formed by cutting a double spiral slot which reduces the cross sectional area through which current flows, resulting in higher resistance than the cold end.

发热部是双螺旋切槽，在电流通过时可以减少其横截面积，因而发热部的阻值比冷端部的阻值大。

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2、

Effects of Main Structural Parameters on Seal Performance of a New Double Spiral Groove Face Seal

新型双螺旋槽端面密封主要结构参数对密封性能的影响

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3、

Taking Suzhou International Expo Centre as an example, presents the connection technique, hanger form and installation strategy of the double spiral duct in large space buildings.

以苏州国际博览中心为例，介绍了大空间建筑双层螺旋风管的连接工艺、吊架形式和吊装方法。

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4、

Objective To optimize parameters with double spiral computed tomographic angiography ( SCTA) for visualization of portal veins.

目的评价双螺旋CT血管造影（SCTA）不同扫描层厚和螺距对门静脉成像质量的影响。

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5、

Double Spiral CT Angiography: Initial Clinical Experience

双螺旋CT血管造影：初步临床应用

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6、

A study on the static performance mechanism of a new double spiral groove face seal was done.

研究了一种新型双列螺旋槽机械密封结构的工作机理。

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7、

The mathematical model and test of double spiral coil heat exchanger

双层绕管换热器的数学模型与检验

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8、

The double spiral and upward movement of sign and symbol is also an explanation of the course of modernization of western society and culture.

符号与象征双螺旋的上升运动，也是对西方社会和文化的现代化过程的阐释。

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9、

The Analyse and Research of Horizontal Double Spiral Steam Bread Machine

国产卧式双螺旋辊馒头成形机的分析研究

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10、

The results of calculation indicates that the static axial stiffness of fluid film in double spiral groove face seal is improved due to the pressure loss through feeding holes.

计算结果表明，供液小孔所产生的压力损失提高了双列螺旋槽机械密封的静态轴向刚度。

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11、

Seal chamber pressure of a new double spiral groove face seal working under high velocity and pressure conditions may probably be disturbed in operation, which affects the seal stability.

一种用于高速高压等极端工况下的新型双螺旋槽端面密封在实际运行过程中密封腔压力会出现波动，从而影响密封稳定性。

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12、

The Discussion of Portal Reconstruction with Double Spiral CT

双螺旋CT的VR、MPR对门静脉血管重建技术的探讨

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13、

Intermediate jacket with double spiral and copper plate head for blast furnace tuyere

高炉双螺旋铜板帽风口中套

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14、

Static Performance Analysis of a New Double Spiral Groove Face Seal

新型双列螺旋槽端面密封的静态性能分析

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15、

At its center you will find a double spiral staircase that was said to be designed by Leonardo da Vinci.

在它的中央你可以看到一座据说是达芬奇设计的双旋楼梯。

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16、

Discussion on the construction of double spiral duct in large space buildings

大空间建筑双层螺旋风管施工工艺探讨

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17、

Since the nucleic acids contain phosphonic group, basic group, desoxyribose hydroxy and double spiral species in nucleic acids, nucleic acids form easy multicomponent complexes with metal complex.

由于核酸含磷酸基团、碱基、脱氧核糖羟基以及双螺旋结构，使金属络合物容易在这些位置发生多元络合反应。

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18、

Double Spiral Fluting Tap, a New Type Threading Tool

一种新型的螺纹工具&双螺旋槽丝锥

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19、

These modes are the double spiral mode of system and the direction and management from charity organization of profession.

此替代性模式包括：政府规制慈善组织的双螺旋模式，慈善组织的行业监管模式。

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20、

Study of Centrifugal Casting Technology of Double Spiral Roller Grinded-paste Machine

双螺旋辊式磨浆机筒体离心铸造工艺及性能研究

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21、

With an experimental method, the liquid film pressure between the two faces and the seal face temperature rising are measured and analyzed for a double spiral groove mechanical seal.

通过实验方法，研究了内外双螺旋槽机械密封端面间的液膜压力和端面温升。

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22、

Non-retraction Double Spiral Tool-path Planning for a NURBS Surface

NURBS曲面无退刀双螺旋线轨迹规划法

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23、

Numerical Analysis and Experimental Confirmation of Underground Temperature Field of Vertical Double Spiral Coil for Ground Source Heat Pumps

土壤热泵用立式双螺旋盘管地下温度场数值分析与实验验证

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24、

The foundation of DNA double spiral structure model is the miracle and milestone in the history of life science. It has epoch-making significance.

DNA双螺旋结构模型的建立，是生命科学史上的奇迹和里程碑，具有划时代的意义。

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25、

Solar system originated as a result of double spiral nebula synthesis

太阳系起源双螺旋星云复合成因说

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26、

Dynamic Response Analysis to Seal Chamber Pressure Perturbation of a New Double Spiral Groove Face Seal

新型双螺旋槽端面密封性能对密封腔压力扰动的动态响应分析

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27、

The general situation, application features and technological and economic aspects of a new drying equipment composed of a double spiral dryer and a disc dryer are described.

介绍了新型干燥设备双螺旋干燥机和盘式干燥机结构及其应用情况。

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28、

Based on the principle of subdivision polishing, a novel double spiral tool-path planning algorithm was proposed.

从人工分片研磨抛光的机理出发，提出一套全新的双螺旋线轨迹规划算法。

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29、

Conclusion: Double spiral CT can display the complications after liver transplantation.

结论：双螺旋CT能清楚显示肝移植术后的并发症影像。

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30、

Two Methods in Checking Light Beam Collimation with Double Spiral Moir é Fringes

双螺旋叠栅条纹检测光束准直性的两种方法

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