helicoidal

Carbide welded taper shank machine reamer Research on Indexable Form Disc Tools for Helicoidal Workpieces

硬质合金焊接式锥柄机用铰刀加工螺旋槽用可转位盘铣刀设计研究

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When chloroform was used as solvent and the concentration was 65wt%, the handedness of the two helicoidal structures was left handed ( positive Cotton effect), but when dioxane or THF was used with the same concentration, a reversed handedness was observed.

以氯仿为溶剂（固定浓度为65%）时两种螺旋结构均为左旋（正Cotton效应），但二氧六环和四氢呋喃为溶剂时均变为右旋（负Cotton效应）。

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Application of Non-Cartesian Tensor Analysis Constructed Mathematical Model Investigate for the Effect of Parameters on Convective Heat Transfer Characterstics in a Helicoidal Pipe

用非笛卡儿张量分析建立数学模型研究影响螺旋状管对流换热的因素

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mixed convective flow and heat transfer of water in a helicoidal pipe under supercritical pressure

超临界压力下水在螺旋管内的混合对流换热

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application of helicoidal plastic pipe applied on outdoor rainwater system

塑料螺旋管在室外雨水管网中的应用分析

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Geometry Model for the Single Helicoidal Pump ( Auger Stem) and Its Manufacture

单螺杆泵（钻具）几何模型及其制造问题

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helicoidal properties of cholesteric liquid crystalline for urethane derivatives of chitosan

含氨酯基的壳聚糖衍生物的胆甾液晶螺旋性质

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the common conjugate surface includes tooth surface of gear, working surface of solid cam, helicoidal surfaces existing in spiral burr, worm, chip flute of cutters, and so on.

常见的共轭曲面包括齿轮的齿面、空间凸轮的工作面和螺旋面等，其中螺旋面被广泛应用于螺纹、蜗杆、螺杆泵及金属切削刀具等领域。

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