1、

His attack on a high ball and when Paowei.

他的高位进攻和无球时的跑位.

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3、

High ball speeds are achieved by producing high racquet head speeds.

高球速要藉由产生网球拍头高速度来达成.

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5、

Take the example of three point contact ball bearing applied on the spindle of advanced aircraft engine, its dn value and work temperature are very high, often causing the contact thermal failures.

如先进航空发动机主轴采用的三点接触球轴承,其dn值和工作温度非常高,经常造成摩擦副发生热失效。

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6、

GUD electric high vacuum ( pressure) ball valve uses electric device to drive the stem and ball for open and close, thus to put through or cut off the medium flow in vacuum ( pressure) pipeline.

GUD型-电动高真空球阀是以电动装置驱动阀杆与球芯来执行启闭动作,达到接通或切断真空系统管路中的介质流。

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7、

The Reason of the Damage and its Relevant Solution for High Temperature Ball Valve Sealing Base

高温球阀密封座损坏原因分析及解决方法

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8、

Study is made of the preparation of niobium suboxide by Nb reduction of Nb_2O_5 through high energy ball milling.

对在高能球磨中用Nb还原Nb2O5制备新型电解电容器阳极材料低价铌氧化物工艺进行了研究。

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9、

He relies highly on the sideway pull ball to gain score in receiving and serving phase. The success ratio is not very high in backhand serving.

接发球后抢攻得分以侧身拉球为主,并且有很高的成功率,反手位成功率不是很高。

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11、
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This paper deals with the reasons why the life of angular contact thrust ball bearing is much lower and it was frequently damaged owing to superheat on operation side of the work roll in 2350 high speed aluminium foil mill.

本文分析了2350高速铝箔轧机操作侧止推轴承寿命低及发生烧熔事故的原因,给出了具体的计算结果。

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13、

Highly dispersed tin and tin-cobalt alloys were synthesized via reduction of tin oxides by aluminum under high-energy ball-milling.

采用高能球磨法以金属铝还原锡的氧化物,通过添加金属钴粉,合成了高分散锡和锡钴合金材料。

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14、

C/ C-SiC composite was prepared by hot pressed sintering with in-situ reaction between Si and C powder, which was prepared through high-energy ball milling and then was mixed into slurry infiltration of carbon cloth.

本文采用高能球磨,将Si、C混合粉体的浆料浸渗到碳纤维布中,利用热压烧结过程中Si、C的原位反应制备了C/C-SiC复合材料。

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16、

Thermal Analysis for High Speed Precision Angular Contact Ball Bearing

高速精密角接触球轴承热分析

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17、

Preparation of bulk Al_3Ti/ Al nanocomposite by high-energy ball milling and in-situ reaction sintering

高能球磨制备Al3Ti/Al块体纳米晶复合材料

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19、

All the measurements demonstrated that ball shaped, flowerlike, diamond shaped and rod shaped nanostructures of zinc oxide had high purity, good crystallinity, few defects and excellent light emitting properties.

各种测试都表明,本文制备得到的球形、花形、钻石形和棒状四种形貌的ZnO纳米结构纯度高、结晶性好、缺陷少、光发射性能良好。

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20、

The law of phase transformation of the samples through high-energy ball milling has been found.

探明了经高能球磨的样品在烧成过程中的晶相转变规律。

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