Through observing the application of the electric tractive coal cutter in the productive practice, analyzes on the causes of the problems existing in the electric tractive coal cutter, and probes into the methods for solving the obstacles of the frequency control devices and the application effects.

1、

Industrial Usage and Performance Analysis of MG300/ 690 W Type Coal Cutter

MG300/690W型采煤机的工业使用及性能分析

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2、

This will provide a basis for the increase of the large bearing of the disk cutter and reduction of vibration and noise of the tunneler during operation.

这将为刀盘大轴承寿命的提高、掘进机工作时振动及噪声的降低，提供可靠的理论依据。

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3、

By using the system, the design and drawing of the disk cutter can be carried out conveniently and rapidly.

该系统可方便、快捷地实现盘形链轮铣刀的设计与图形绘制。

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4、

Experiment and Design on Disk Cutter with Power Type of Wheat No-till Planter

主动圆盘防堵式小麦免耕播种机的设计研究

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5、

Simulation and Analysis in the Rock Breaking Process of Disk Cutter on Tunneler

掘进机盘形滚刀破岩工作模拟及分析

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6、

Development of Object-oriented CAD System for Disk Cutter of Sprocket Wheel

面向对象的盘形链轮铣刀CAD系统的开发

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7、

Test and Analysis of the Disk Cutter on Cutting Corn Stalk

圆盘切割器切割玉米茎秆的试验与分析

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8、

Study review on the interaction between disk cutter and rock

盘形滚刀与岩石相互作用研究综述

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9、

Analysis of Cutting Out Course of the Face Milling Cutter Blade

端铣削刀齿切出过程解析

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10、

Study on the Failure and Surface Strengthening of the Cutter Blade

化纤切断刀的失效与强化研究

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11、

Content of the free-radical were determined using the paramagnetic resonance method. Result shows that high speed steel cutter blade wear seriously during fiber cutting, its main wear mechanism is abrasion of TiO_2 particles in fibers.

结果表明：切割涤纶半消光纤维时，高速钢刀片的磨损很快，主要磨损机制为纤维中TiO2粒子的磨粒磨损；

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12、

Rational Selection of Cutter Blade Meterial of BTA Deep Hole Drilling

内排屑深孔钻刀片材料的合理选择

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13、

Research on the Dynamic Balance Technology of On-line Emery Cutter in Super-grinding

超精密磨削中的砂轮在线动平衡技术的研究

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14、

An advanced intelligent system about automatic balance of on line emery cutter is introduced.

介绍了作者研制的一种新型智能化砂轮在线自动平衡系统。

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15、

He still plans to end the Bush-era tax cuts for those earning more than$ 250000.

他仍然打算结束布什时代的税收减免政策，该政策针对年薪超过25万美元的群体。

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16、

To be clear, the end of the Bush cuts is not the ideal way to raise taxes.

说得清楚一些，布什减税政策的失效并不是一个理想的方式去增加税收。

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17、

Your goal, along with the expiry of the high-end Bush tax cuts, should be to simplify the definition of income.

你的目标，除了布什时代实施的高收入阶层税收优惠到期之外，还应该简化“收入”的定义。

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18、

But the new approach that speaker Boehner unveiled today, which would temporarily extend the debt ceiling in exchange for spending cuts, would force us to once again face the threat of default just six months from now.

但众议院博纳议长今天公布的新方式，即以临时提高国债上限换取削减支出的方式，将迫使我们在短短6个月之后再次面临债务欠付的威胁。

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19、

It attempts to unpick the deal sealed last year by the president, the House and the Senate to raise the limit Congress imposes on government debt in exchange for spending cuts.

它试图重提去年总统否决的提案，参众两院以提高国会补助政府债务的限额交换开支削减计划。

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20、

China must now declare its willingness to negotiate a tough and binding intensity target at the Copenhagen summit in exchange for absolute cuts by rich countries.

中国现在应该宣布，它愿意在哥本哈根峰会上协商一个严格并具有约束力的碳排放强度目标，以换取富国承诺削减排放量的绝对值。

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