ratio of contact
英 [ˈreɪʃiəʊ ɒv ˈkɒntækt]
美 [ˈreɪʃioʊ əv ˈkɑːntækt]
【机】接触比
双语例句
- Results The ratio of contact stress in pulling-and-extending condition, physiologic condition and pathologic condition is1 ∶ 1.2 ∶ 9.4.
结果斜扳时局部接触应力在拔伸状态、生理状态和病理失稳状态下之比为1∶1.2∶9.4。 - The perfect camber design can be obtained by introducing the center/ side ratio concept of contact pressure and choosing proper ratio.
同时引入辊间接触压力的中、边部比值概念并作合理选择，使设计出的辊型更加完善。 - The ratio of the weight of an object being moved along a surface and the force that maintains contact between the object and the surface.
沿着平面运动的物体的重量与维持它与平面接触的力的比。 - The effects of temperature, ratio of methanol to water, contact time on the percent conversion of isoflavone were studied.
研究了温度、进料配比以及接触时间对游离型异黄酮转化率的影响。 - The ratio is determined by the distances from the center of the gear to the point of contact.
传动比是由两轮的中心到啮合点的距离所决定的。 - The results indicate that the optimum ratio of film thickness to half-width of Hertzian contact is about 0.1~ 0.3. In this case, the distribution of static stress in the coating system is the best one for the improving of the fatigue lives of mechanical elements.
研究结果表明，对于TiN材料，当涂层厚度t与赫兹接触半宽a之比为0.1～0.3时，滚道亚表面的静态剪切应力分布对提高轴承疲劳寿命最为有利； - The optimal control technical parameters are that the ratio of gas with water is ( 30~ 40)∶ 1, contact time is6~ 8h and cubage organic loa d ( COD) is1.0~ 1.6kg/ ( m 3 · d).
优化控制工艺参数为：气水比（30～40）∶1，接触时间6～8h，COD容积负荷1.0～1.6kg/（m3·d）。 - The relationship between the droplet radium ratio of adjacent generations in the fractal model of dropwise condensation and the contact angle hysteresis was obtained, and the calculated results agree well with the experimental data.
得到了液滴分形分布模型中相邻两代液滴半径比与接触角滞后的关系式，该式计算结果与实验结果十分吻合。 - In accordance with different combination forms of gear pair, the sliding ratio of crossed helical involute gear pair was calculated by using the formula, which was deduced for spot contact tooth surfaces and the sliding curve of the gear pair was drawn as well.
推导出点接触齿轮副齿面滑动系数的计算公式，并分别针对齿轮副的不同组合形式，计算交错轴渐开线斜齿圆柱齿轮传动的滑动系数，绘制该齿轮副的滑动曲线。 - The equation of pressure angle, width coefficient, and contact ratio are calculated and the influences of these parameters on contact are analyzed.
最后针对现有文献的不足，研究了刀具压力角、齿宽系数和重合度等参数的计算方法，并分析了这些参数对弧齿线圆柱齿轮啮合的影响。 - Severe acute respiratory syndromes ( SARS) is a neo-type respiratory contagious disease. There was high ratio of infection among health care workers for short-distance contact with SARS patients.
严重急性呼吸综合征是一种新型的呼吸道传染病，其发病急、传染性强，医护人员由于与病人接触密切，感染率较高。 - The sensitivity, accuracy, and positive likelihood ratio of MR diagnosis of vascular compression or contact was 94%, 83%, and 1.88, respectively.
根据手术结果，MR诊断面肌抽搐及三叉神经痛患者神经血管压迫或接触的敏感度为94%，准确度为83%，阳性似然比为188。 - The ratio of teachers to students is 1:100. The related exports, in recent years, have conducted the studies on English teaching in large class and found that it is difficult for teacher to make contact with the students duly and all-roundly in large class;
近年来，有关专家曾对大班英语教学做了研究并发现，大班英语教学无法及时、全面地与学生进行交流，交际教学难于实施，很难组织起创造性的、生动活泼的课堂教学活动。 - The results prove that the higher contact ratio spiral-bevel gears to design by the methods of inclining the contact path are obviously more advantages than the conventional ones on distribution and strength.
数值仿真与实验都证明，通过倾斜接触路径和优化设计得到的高重合度弧齿锥齿轮齿面载荷分布合理，在强度方面具有明显的优越性。 - The formula of the coefficient of contact ratio for surface durability calculation and the finite element calculation for helical gears should both be based on the dynamic statistic average length of contact line.
认为接触强度重合度系数公式及斜齿轮有限元计算均应以动态统计平均接触线长度为依据。 - As the ratio of sp~ 3/ sp~ 2 decreases, the quantity of CF_2 and roughness of film surface increases, thus contact angle increases.
sp3/sp2的比值减小，CF2基团含量增加，薄膜粗糙度增加，接触角增大； - The results show that the transmission ratio of magnetic metal belt transmission increases when magnetic induction density, initial tension and center distance increases, and decrease when angle of contact and diameter of the smaller belt pulley increases.
结果表明，磁力金属带传动的传动比随磁感应强度、初张力及中心距的增大而增大，随围包角及小带轮直径的增大而减小。 - Objective To determine an optimal co culture ratio of the rabbit periosteal osteoblasts ( RPOB) and rabbit renal vascular endothelial cells ( RRVEC) without direct contact for future study of bone tissue engineering.
目的探讨兔骨膜成骨细胞（RPOB）和肾血管内皮细胞（RRVEC）不同比例下间接共培养对成骨细胞增殖及功能的影响，优选细胞间接共培养的适宜比例。 - The ratio of single-chain particles in the freeze-dried samples should greatly increases while the solution concentration is less than dynamic contact concentration, Cs, thus leading to further decrease of entanglements.
当由低于动态接触浓度，Cs，的溶液制备冷冻升华试样时，单链粒子的比例大大增加了，使缠结浓度进一步降低。