Conclusion Line sign is helpful to diagnose FHN early.

1、

No electricity required to keep the electro permanent magnetic chuck on.

电永磁吸盘不必一直保持通电。

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2、

The design of frozen powerful permanent magnetic chuck

冷冻强力永磁吸盘的设计

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3、

On the other hand, straight-shank drills are held in a drill chuck that is, in turn, fitted into the spindle socket in the same way as tapered shank drills.

另一方面，直柄钻头用钻头卡盘夹住，接下来钻头卡盘则象锥形钻柄钻头一样安装在主轴轴孔内。

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4、

In chapter one, the author introduces the work theory and kinds of drill chuck, and analyzes the research background as well as the existing methods in this field, then presents significance of this study.

第一章对钻夹头的工作原理和分类以及参数化有限元的应用进行了综述，提出了本文研究的目的与意义。

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5、

Drill chuck with thread adapter

螺纹联接扳手钻夹头

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6、

The anti-skid drill chuck is especially suitable for the drill chuck used for the machine tool, the electric drill, and the air drill.

该防滑钻夹头特别适合作为机床、电钻、风钻上用的钻夹头。

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7、

Finite Element Modeling and Strength Analysis for Key and Bevel Gear of Drill Chuck

论组织企业管理培训的关键因素钻夹头扳手锥齿轮有限元建模与强度分析

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8、

A high efficiency drill chuck strength analysis system was developed by using Visual Basic. Net and APDL that is a secondary development parameter design language provided by ANSYS.

综合运用VB.Net和ANSYS提供的二次开发语言APDL，研制了一个钻夹头有限元强度分析系统。

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9、

探讨和解决了钻夹头夹紧强度分析中夹爪与螺母接触分析参数的选择、约束边界和载荷处理、分析流程文件创建等关键技术问题。

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10、

Key type drill chuck, which is widely used in various minal and fixing enterprises, is a kind of drilltightening device.

扳手钻夹头是广泛用于各工矿企业，装修行业的钻头夹紧装置。

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11、

Based on the idea of the structure parametric design method, the parametric finite element model of drill chuck with complicated spiral surface character was established.

采用结构参数化设计方法建立了含有复杂螺旋曲面特征的钻夹头参数化有限元模型；

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12、

An Approach to the Cost Reduction of the Materials of the Key Type Drill Chuck by Using the Theory of Value Engineering

运用价值工程原理降低扳手钻夹头材料成本的探讨

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13、

Analysis and Investigation on the Centering Precision of Drill Chuck

钻夹头定心精度分析与研究

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14、

Key type drill chuck

GB/T6087-1993扳手钻夹头

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15、

Simulation Method Based on Manufacturing Characteristics and Analysis of Output Character of Drill Chuck

基于制造特性的仿真方法及钻夹头输出特性分析

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16、

The hand-operated multifunction electric tool is characterized in that the small and special electric machine can be connected with the drill chuck by hand to form the hand-operated electric drill.

其特征在于微特电机可以人为与钻夹头连接，便组成了手持式电钻；

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17、

The goal of this research was threefold: using Tr ü ck et al. ( 2006)' s results and methodology, we first investigated the changing market dynamics through the study of the futures and volatility term structures of EUA and found a market in clear contango.

本论文的目标有三层：第一，利用Trück et al.的结果和方法，通过对欧盟排放配额期货和波动的期限结构的分析来研究变化的市场动力，发现了市场明显地处于期货升水。

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18、

Second, we provided an empirical analysis of the EUA convenience yield in the EU ETS and studied its dependence on factors such as the spot price level and volatility.

第二，我们通过对欧盟排放配额便利收益的实证分析，发现现金价格和波动率是其重要的影响因素。

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19、

Both papers study the convenience yield of EUA futures using data available during the first phase of the EU ETS.

两篇文章利用EU ETS第一阶段的数据来分析欧盟排放配额期货的便利收益。

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20、

Crude oil, natural gas and coal also affect EUA price.

EUA价格也受原油、天然气和煤炭等能源价格影响。

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