A studied subject of the cylindrical roller bearing with 2.5 × 10~ 6mm · r/ min DN is introduced in this paper.

1、

The optimum fermentation condition included 180 r/ min shaking flask culture at 22 ℃ for 78 h, inoculating amount 8%.

适宜发酵条件：接种量8%，培养温度22℃，摇床转速180r/min。

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2、

METHODS 900 ml simulated gastric fluid was adopted as dissolution medium with paddle method setting at 100 r · min~ (-1).

方法以0.9L人工胃液作为溶出介质，采用桨法，100r。

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3、

Under the optimum centrifugation conditions of centrifugation speed 14 000 r/ min and time 50 min, the free oil yield was 80%.

最佳离心参数为离心时间50min，离心转速14000r/min，在此条件下，清油提取率可达到80%。

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4、

The optimum pH, temperature and shaking speed of xanthate-degrading are 8.0,30 ℃ and 120 r/ min, respectively.

菌株降解黄原酸盐的最佳条件为：pH为8，温度30℃，振荡速率120r/min。

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5、

Critical suspending rotation speed for mixing is 314 r/ min, and axle power is 156W with direct count method;

用直接计算法确定悬浮临界搅拌转速为314r/min，轴功率为156W；

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6、

Experimental results indicate that the controller can provide a controllable speed range from 0.2 to 10000 r/ min with satisfactory dynamic and static performances.

实验结果表明，该控制器在低速与高速运行状态下均能获得良好的动态和静态性能，其可控转速范围为0.2-10000r/min。

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7、

Results The optimal expression condition for soluble BVR was 370c ( 120 ± 5) r/ min;

结果确定了BVR可溶性表达最佳条件为37℃（120±5）r/min；

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8、

Raising the screw speed from 200 to 300 r/ min resulted in whiter, less green extrudates.

螺杆速度由200r/min提高到300r/min会产生较白、不太绿的挤出物。

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9、

The rotor speed was increased gradually over the range of 0~ 24 000 r/ min and decreased naturally with the power closed.

试验转子从0逐渐加速到24000r/min，然后切断电源自然降速。

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10、

Stirring, mixed thoroughly about catalyst and liquid should pledged, the best stir speed is 900 r/ min;

搅拌方式及搅拌速度对氢化反应有很大影响的，氢化反应是多相催化反应，催化剂与气液反应物须混合充分，搅拌速度900r/min为最佳；

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11、

The fluctuation of the idling speed was controlled within ± 25 r/ min through adjusting the ignition advance angle.

基于点火提前角的调整控制，使怠速转速控制在±25r/min。

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12、

The maximum temperature and deformation occur at about 11 000 r/ min because of stronger cooling at higher rotational speeds.

由于高转速的强冷却效果，11000r/min时温度和变形达到最大值；

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13、

When the rotating speed is 1000 r/ min, temperature of teeth is higher than that in the edge of saw body.

1000r/min时，锯齿温度高于锯片基体边缘，增加转速后基体边缘温度超过锯齿。

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14、

In the experiment, the range of speed control is 20-80 r/ min, and the load is about 0.2 N · m.

实验中电机速度控制范围为20-80r/min，负载约为0.2N。

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15、

At 120 r/ min, the dilution rate was about 7.38/ h and decreased as stirring speed increased.

在120r／min时，稀释率大约是7.38／h，随着搅拌速度增加，稀释率下降。

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16、

Dn Value Amounts to 130 000mm · r/ min High-speed Ballscrew

dn值达13万的高速滚珠丝杠

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17、

The result of variance analysis shows that, the best conditions of technology are: the stir speed is 400 r/ min;

方差分析结果表明，冰片微粉化的最佳工艺条件是：搅拌速度为400r／min；

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18、

When stirring intensity exceeds 100 r/ min, it has no obvious effect on RTD.

当搅拌转速超过100r/min时，搅拌转速对停留时间分布的影响不大。

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19、

The simulation system can bring 20000 g setback, 20000 r/ min spin for about 1 ms.

该模拟系统模拟产生的后坐最大为20000g，旋转最大转速为20000r／min，持续时间最长约为1ms。

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20、

And 960 r/ min of rotation speed will make more low in humid, making SOD activity reduced.

而960r/min的风机转速会使得烤房内相对湿度更低，使得SOD活性降低。

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