| 1. | It was found that fibers of circular cross section produce greater cohesion in webs and slivers than do trilobal fibers .
圆形横截面纤维在棉网和棉条中，比三叶形横截面纤维能产生较大的粘着作用。 |
| 2. | From 300 to 800 tons per day , kilns of circular cross section are recommended
吨，推荐用横截面为圆形的窑。 |
| 3. | Elastic wave propagation of a thin helical rod with circular cross section in relaxed state
松弛状态圆截面螺旋细杆的弹性波传播 |
| 4. | Ventilation for buildings . sheet metal air ducts and fittings with circular cross section . dimensions
建筑物通风.圆形截面的薄板金属空气导管和管接头.尺寸 |
| 5. | Ventilation for buildings - sheet metal air ducts and fittings with circular cross section - dimensions
建筑物通风.带有环形十字截面的薄板金属空气导管和配件.尺寸 |
| 6. | The equilibrium and stability of an elastic rod with circular cross section under the constraint of a cylinder is discussed
摘要讨论受圆柱面约束的圆截面弹性杆的平衡与稳定性。 |
| 7. | Plastic drums - non - removable head tight head circular cross section drums with a nominal capacity of 20 l to 120 l ; german version en 12709 : 2000
塑料桶.标称容积为20升至120升的非活动桶盖 |
| 8. | Measurement of fluid flow in closed conduits - velocity area methods - method of measurement of velocity at one point of a conduit of circular cross section
封闭管道内液体流量测量.第2部分:速度范围法.第2节:管道横截面某一点的流速测量方法 |
| 9. | The influencing factors of coal arch camber in planomural coal bin and coal drop pipe with rectangular or circular cross section during coal drop are studied theoretically
摘要对落煤过程中平壁煤仓及截面形状分别为矩形、圆形的落煤管起拱的影响因素进行理论研究。 |
| 10. | When f is about fr , for curved pipes , the secondary flow appears eight vortexes for annular cross section and four for circular and four or six for elliptical ; for helical pipe , the secondary flow appears as a loop flow for annular and circular cross section , and a saddle flow for elliptical cross section
当f在fr左右时，对于弯管，环形截面上存在八个涡，圆截面上存在四个涡，椭圆截面上存在四个或六个涡；对于螺旋管，圆截面和环形截面上二次流表现为环流，椭圆截面上表现为鞍流。 |
