The enthalpy model was used in calculating the solidification period of a new kind of phase change material in cool storage ball.

采用了焓法模型对一种新型的相变材料在球内的凝结过程进行了数值求解。

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The phase structure and composition of the modified layer was characterized by XRD and GDOES , and its properties were tested by microhardness meter and ball-plate wear instrument.

通过GDOES 、XRD等手段标定表层成分和相结构，借助显微硬度计和球盘磨损仪测试合金渗层的性能。

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Each synchro consists of a wound, single-phase rotor, mounted on ball bearings, in a housing that contains a three-phase, wye connected stator.

每个同步机包括一个单相绕线转子，安装在球形轴承上，和一个三相叉形连接定子包括在同一个外壳内。

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Newport moved up a gear in the second half and looked dangerous when securing second and third phase ball, with Howarth steadily controlling matters.

BBC: SPORT | WELSH-SCOTTISH RUGBY | Newport out-muscle the All Blacks

"In so many games we've created more than enough opportunities to win but lost the ball at the final phase, " he told BBC Sport.

BBC: Saints on the brink

It is vitally important that players read what's in front of them in these situations because making the correct decision is critical to controlling the next phase of play and how quickly the ball is recycled after contact.

BBC: Jeremy Guscott column