The heat transfer performance of the boiler gas in a plastic longitudinal flow spiral heat exchanger was investigated experimentally.

1、

Application of Spiral Heat Exchanger Alcohol Distillation

螺旋板式换热器在酒精蒸馏过程中的应用

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2、

Strength study and numerical simulation for the central partition in spiral heat exchanger

螺旋板换热器中心隔板强度研究及其数值模拟

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3、

Studies on Pressure Drop and Heat Transfer of the Spiral Heat Exchanger

螺旋板换热器流体阻力及传热研究

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4、

Experimental Study and Theoretical Analysis on Load Carrying Apacity of Cold-Formed Flexural Members with Thicknesses Less Than 2mm; Technical Approach to Prevention of Longitudinal Spiral Eccentricity in Tail End of Cold-drawn Light-wall Seamless Steel Pipe

壁厚小于2mm冷弯薄壁型钢受弯构件承载力试验研究及理论分析防止冷拔薄壁无缝钢管尾部产生纵向螺旋形壁厚不均的技术探讨

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5、

The winding package ratio formula is deduced. And through modifying and simulation, we got the point changing spiral patterns of the end.

推导卷绕比计算公式，进行修正，仿真得到端面换向点分布螺旋线花纹。

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6、

Technical Approach to Prevention of Longitudinal Spiral Eccentricity in Tail End of Cold-drawn Light-wall Seamless Steel Pipe

防止冷拔薄壁无缝钢管尾部产生纵向螺旋形壁厚不均的技术探讨

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7、

Calculation of Cutting Edges& 2 axis NC Machining of Spiral Groove of Ball end Cutters

球头铣刀刃口曲线的求解及螺旋沟槽的二轴联动数控加工

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8、

Methods 33 patients with bronchiectasis were diagnosed by clinical data and HRCT scan, and scanned using spiral CT at end inspiration and expiration in continuous volume scan mode.

方法对33例临床和HRCT检查确诊的支气管扩张的病人，使用螺旋CT分别进行了不同呼吸时相的连续容积数据模式扫描。

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9、

Computer Aided Design of Formed Milling Cutter Profiles for Machining Spiral Slot of End Cutter

加工立铣刀螺旋槽用成形铣刀廓形的计算机辅助设计

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10、

Application of Spiral Groove Type End Seal on Hydrogen Centrifugal Compressor

螺旋槽端面密封在氢气离心压缩机上的应用

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11、

The seal structure of the spiral shaft end for feeding of the rotary flashing dryers and its leak causes were analyzed, the original disk seal was retrofitted to be labyrinth seal and gas combination seal for operation under rough working conditions.

分析了旋转闪蒸干燥机喂料螺旋主轴轴端密封结构及其漏料原因，将原盘根密封结构改为迷宫密封和气体组合式密封，保证该干燥机在恶劣的工况条件下能正常运行。

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12、

Erythromycin and metoclopramide improves the success rate of post-pyloric placement of the spiral distal end nasal-enteral feeding tubes

红霉素甲氧氯普胺提高螺旋型鼻肠管幽门后置管成功率的研究

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13、

By means of analysis on failure reason for bearing sealing, the oil membrane spiral slot end sealing was adopted and remarkable effectiveness was achieved.

通过对轴封失效原因的分析，采取油膜螺旋槽端面密封措施，取得了显著成效。

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14、

The modal analysis experiment for spiral slotting end mill has been conducted, and corresponding dynamic characteristics parameter has also been got. 4.

并对螺旋槽立铣刀进行了模态分析试验，获得了相应的动态性能参数。

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15、

The mechanistic model of spiral end milling has been built. A multinomial model between milling force coefficients and quantities in cutting is set up. The milling experiment by means of regression-orthogonal method with four factors is designed to confirm constants of cutting force model.

提出螺旋立铣刀侧铣加工的切削力模型，通过建立铣削力系数与切削用量的多项式模型，利用四因素回归正交实验法确定了模型常量。

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16、

The center tube structurally comprises a bayonet paper tube, a bayonet end cover and a set screw, or comprises a plastic tube, a spiral end cover and a set screw.

其结构包括卡口纸管、卡口端盖、紧定螺钉，或者是塑料管、螺旋端盖、紧定螺钉。

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17、

The analysis of thickness change of CSF can provide certain theoretical guidance for implanting spiral cuff electrode onto optic nerve in clinical practice. 4.

CSF层厚度变化对刺激结果的分析可以为临床中螺旋袖套电极植入视神经提供一定的计算支持。

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18、

An Investigation Into the Hole Expanding Process by Using a Spiral shaped Electrode in EDM

螺旋电极电解扩孔工艺研究

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19、

The effect of RVOTS spiral electrode pacing on hemodynamics A clinical comparison of hemodynamics between RVOT septum pacing and RVA pacing

右心室流出道间隔部螺旋电极起搏对血流动力学的影响右室流出道间隔部与心尖部起搏血液动力学临床对比研究

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20、

Objective To observe the changes in impedance of electrodes after embedding implants, and to compare the impedance of straight electrode array with spiral electrode array.

目的研究多导人工耳蜗植入后电极阻抗变化的特点，对比直电极和弯电极的阻抗差异，为人工耳蜗植入术后的调试提供参考。

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