1、

Methods: Using spiral post pin, light-cured resin and metal crown to repair 54 cases and to compare with 30 cases by traditional plug method.

方法:采用螺纹桩钉、光固化树脂、金属冠修复54例并与传统充填修复30例进行疗效对比观察。

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2、

Researches on the Heat Transfer Characteristics of the Spiral Plate Heat Exchangers with Non-Circular Pin Fins Thermodynamic Study of Magnesiothermic Reduction of B_2O_3 for Preparing Amorphous Boron Powder

椭圆形定距柱螺旋板式换热器的传热特性研究金属镁热还原B2O3制备无定形硼粉的热力学分析

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3、

self - invented osseous pin with spiral for the treatment of fracture of clavicle

自制带螺纹骨圆针内固定治疗锁骨骨折

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4、

Mold with spiral ejection pin was designed for the mass production of threaded nylon cock.

为批量生产带有螺纹的尼龙旋塞,设计了一种带有螺旋顶杆的旋塞注塑模.

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5、

Objective: To evaluate the accuracy of cervical pedicle screw pilot holes placement by bilateral oblique X-ray films with the spiral wires as the guide pin.

目的:探讨螺旋形导针配合双侧斜位X线片判断颈椎椎弓根螺钉置入孔道准确性的可行性。

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