x
uploads/friction.jpg

friction n.1.摩擦,阻力。2.傾軋,沖突,不和 (betwee...

friction ball

Figure 2-1 represents a flat, rigid object of arbitrary shape on a level surface having negligible friction . 圖21表示一個任意形狀的扁平剛體,放置在無摩擦的水平面上。

Torsional microslip at the clamps results in spurious torques which act like pivot friction torques . 夾緊處扭桿的微小滑移會產生干擾力矩,它的作用和軸頸的摩擦力矩一樣。

The work of the friction force does depend on the path; the longer the path between two given points, the greater the work . 摩擦力的功則取決于路徑,路徑越長,功越大。

In most machines friction consumes effort , with the result that less work is got out than is put in . 在大多數機器中,摩擦要消耗功,以致造成輸出的功要小于輸入的功。

Only the arguments about congestion and social friction seem to weigh against liberal immigration policies . 看來唯有人口密集和社會摩擦的理由不利于自由移民的政策。

To prevent damage, the observer will choose a friction clamp or better still an adjustable clamping ring . 為防止損壞,觀測者應采用摩擦夾緊方式,用可調夾圈更好。

A great number of methods for measuring friction of yarns and fibers have been described in the literature . 在文獻資料中曾經介紹了許多測定紗線和纖維摩擦的方法。

This we can do by means of a marvelous invention called an air trough which gets rid of friction . 我們可以利用一個稱為氣墊的驚人的發明來做實驗,它能擺脫摩擦力。

Variations in surface roughness of both guide and fiber surfaces have a marked effect on friction . 導紗器和纖維表面粗糙度的變動,對摩擦力都有顯著影響。

The air molecules making up the earth's atmosphere create friction and tend to slow a rocket . 組成地球大氣層的空氣分子會產生摩擦力,并會促使火箭減速。

In such a situation he would give anything for the sake of just a little friction force . 在這樣的情況下,他會不惜任何代價來換取那怕只是一點兒摩擦力。

Friction increases with increasing fiber surface roughness in the boundary and semiboundary . 在邊界和半邊界區內,摩擦隨纖維表面粗糙度的增加而增加。

The mechanism by which friction coupling degrades gyro performance should be clearly understood . 對于摩擦耦合降低陀螺性能的機理應該有透澈的了解。

Friction losses in the equivalent lengths of ducts constitute the pressure loss in the elbow . 管道的等量長度中的摩擦損失即構成彎管中的壓力損失。

Screws and bolts would not hold, for they too require friction in order to keep them in place . 螺釘和插銷也釘不住了,因為它們需要摩擦才能固定。

Friction on a smooth pin increased in the order: bright, semidull, and dull fiber . 在光滑的導紗桿表面,摩擦增加次序為:有光,半無光和無光纖維。

It is possible that the friction of the cage may have had a predominant effect in this case . 在這種場合,保持架的摩擦可能會具有主要的影響。

Trinitro triazidobenzene is less sensitive to impact and friction than mercury fulminate . 三硝基三疊氮苯的摩擦感度和沖擊感度比雷汞低。

The observed friction force is the force required to break these tiny welds . 我們觀察到的摩擦力,就是破壞這些細微的焊接點所需要的力。