At the angle of friction, this paper describes briefly the material requirements of each part of piston and analyzes and describes in particular the merits and demerits, metallographic structure, applied scope, improved techniques of aluminium alloy piston, cast iron piston and steel piston.

1、

In the paper, we make a concrete analysis about the influence of coat on mean angle of friction between tool-chip, cutting force and curling of chips on the basis of contrastive test of coated inserts and non-coated inserts.

在涂层和非涂层刀片切削比较试验的基础上具体分析了涂层对刀&屑摩擦角、主切削力和切屑卷曲的影响。

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2、

ⅱ: Al-though the indexes such as granularity constituent, internal angle of friction and condensed force, and ere, can be measured as sand soil, there still exists an essential difference.

尽管象砂土那样可以测定其粒度成分、内摩擦角和凝聚力等指标，但有着本质上的区别；

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3、

Results show that degree of compaction, compaction water content and saturation state of compacted soil have influence on cohesion and angle of friction of clay, thereby on the shear strength of clay.

试验表明，压实度、压实含水量及土体饱和状态对粘聚力和内摩擦角有影响，从而使抗剪强度也受到三因素的影响。

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4、

This text introduces the accurate calculation formula on the equivalent friction coefficient of V& belt drive according to Euler formula and a new Parameter-the direction angle of friction was brought in.

本文通过推导V带欧拉公式给出了计算V带传动当量摩擦系数的准确公式。并在公式中引入了一个新的参数&摩擦力方向角。

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5、

The friction coefficient arisen between the moulding sand and the inner walls of the flask is 0.5 and the angle of friction is 27 °.

型砂和砂箱内壁之间的摩擦系数为0.5，摩擦角约为27°。

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6、

The results of the tests show that with compaction water content increasing, the compression deformation increases, the shear strength decreases and angle of friction also decreases.

试验表明：随压实含水量增大，粘土的压缩变形增加、抗剪强度降低；

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7、

A relationship between the energy consumption due to particle breakage, angle of friction, dilatancy, and deviator stress ratio was derived.

对钙质砂的颗粒破碎机理进行分析，给出了关于破碎消耗能量、摩擦角、剪胀与偏应力比的关系式。

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8、

The influence between water content and cohesion is greater than that of water content and angle of friction;

含水量的变化对粘聚力的影响比对摩擦角的影响要大；

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9、

A novel routing protocol was proposed according to the angle of inclination of the nodes involved in wireless sensor network.

根据无线传感器网络中每个节点到汇聚节点的角度不同，提出一种新的角度路由协议。

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10、

Experimental results show that by using an optimal angle of inclination energy losses can be reduced and outlet flow fields improved.

实验结果表明：采用最佳倾斜角叶片能降低叶栅能量损失和改善叶栅出口流场的气动性能。

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11、

Results The point A moved forward, and the angle of inclination of maxillary incisor increased.

结果A点前移，上前牙唇向倾斜；

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12、

Angle of inclination of conveyor in degree.

为皮带运输机的倾角，度；

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13、

Research on relationship between bone traction and angle of inclination of cross section of shaft bone fracture

骨干骨折断面倾角与骨牵引关系的探讨

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14、

Please consult with your local supplier about the best angle of inclination.

关于最佳倾斜角度的具体信息，请咨询当地的经销商。

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15、

The research of regulative method on angle of inclination of straightener

矫直辊倾角调整方法的研究

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16、

Application and future of a new type belt conveyor with a large angle of inclination

带式输送机胶带运行偏斜的解决办法新型大倾角胶带运输机的应用与前景

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17、

Cohesion and angle of internal friction decrease along with the broadening of water content and the better linear relation exists in the moistening process.

在增湿过程中的凝聚力内摩擦角都随着含水率的增加而减小，并具有较好的线性关系。

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18、

Influence of pile spacing, pile cap dimension and angle of internal friction of embankment filling on the pile efficacy is analyzed.

研究了桩间距、桩帽大小和填料内摩擦角对桩体荷载分担比的影响。

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19、

The influences of the angle of internal friction, the angle of wall friction to the direction of principal strain rate are analyzed.

分析了内摩擦角、壁面摩擦角对最大主应变率方向的影响。

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20、

The reduction extent of cohesion is bigger than angle of internal friction after unloading confining pressure.

卸荷后，黏聚力的降低幅度比内摩擦角要大；

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