螺旋丝

探讨了复合材料在用作螺旋丝拉拔模具时的磨损和破损行为，研究了TZP和TiC对模具磨损和破损性能的影响。

The wear and damage behaviour of the drawing die and the influences of TZP transformation and TiC particles on wear and damage resistence are studied .

水蒸气在内插螺旋丝竖直圆管内流动凝结的实验研究

Experimental study on steam flow condensation in vertical tube with a spiral wire

螺旋丝径对内插螺旋线圈圆管内油类介质强迫对流的影响

The Influence of Wire Diameter on the Forced Convection of Oil in a Tube with Spiral Spring Inserts

竹节钢丝不能用来制造金属针布，通过压板与导轮的制作安装，彻底地消除竹节与螺旋丝，延长了模具的使用寿命，提高了生产效率。

Manufacture and installation of pressure board and guide pulley can eliminate bamboo and helix wire , prolong life of die and improve production efficiency .

用SEM，FT-IR，XPS和测接触角对所制制螺旋炭丝进行了表征。

The coils were characterized by SEM , FT-IR , XPS , and contact angle measurements .

螺旋涡丝的运动问题

The Self-induced Motion of a Spiral Vortex

结果显示：涡管流函数是时间的周期函数，并被表征为一系列在涡核内均匀分布螺旋涡丝流函数的叠加。

The result showed that the stream function of vortex tube was expressed as the superposition of the stream functions of vortex filament within the vortex core .

当涡核的半径趋于零时，本文结果也能退化为双螺旋涡丝流函数的解。

The result shows that the vortex-tube 's stream function is actually expressed as the superposition of the vortex-tube 's stream function in an unbound space is also obtained .

钩端螺旋体轴丝的分离纯化和SDS-PAGE分析

Purification : and SDS-PAGE analysis of axial filaments from leptospires

超细长悬架螺旋弹簧的簧丝属于典型难加工的细长轴类零件。

The spring wire of superfine suspension spiral spring is one of slender shaft work-piece that is typically difficult to machine .

本文首先提出了新型阻尼弹簧的概念，通过对4种不同规格圆柱螺旋弹簧塞金属丝和浸沥青的试验研究，探讨了其阻尼变化规律。

This paper first present concept of new type damping spring , then through four types circular spring 's experiment when filled with tinsel and soaked with pitch , to study its vary rules of damping .

实验研究了内插螺旋线圈的水平圆管内30~透平油的对流强化传热及流阻特性，探索了螺旋丝径的影响。

Experimental study of forced convection heat transfer in a horizontal circular tube with spiral spring inserts is performed to investigate the characteristics of fluid flow and heat transfer as well as the influence of the diameter of spring wire .