| 1. | Spinning practice of rollers without mechanical wave
无机械波罗拉的生产实践 |
| 2. | The content of the investigation concerns basic concepts in mechanics , dc circuit and mechanical waves
内容涉及动力学、直流电路和机械波中的基本概念。 |
| 3. | Four - dimensional generalized symmetrical formalism in classical physics and quantum mechanics and mechanical wave theory
经典物理和量子力学中的四维广义对称形式和力学波动论 |
| 4. | Ultrasonic is a kind of mechanical wave that frequency is upper 20khz . ultrasonic may be generated by many ultrasonic transducers
超声波是频率高于20khz的机械波，它可由多种能量转换器转变而成。 |
| 5. | Ultrasound is a kind of high frequency mechanical wave which can effectively improve mass transfer and heat transfer , change physical - chemistry phase equilibrium , fasten chemistry reaction rate
超声波是一种高频机械波，利用超声振动、超声空化能有效强化传质、传热，改变物理化学相平衡，加快化学反应速率。 |
| 6. | Abstract : through comparative spinning experiments and anylyse of working principle , it is concluded that the yarn quality is raised , and the cv % value of eveness , slubs , nips and neps are reduced markedly by the use of high accuracy rollers without mechanical wave
摘要通过对罗拉的工作原理进行分析，经过纺纱试验对比，得出高精度无机械波罗拉可以提高纺纱质量，成纱的条干cv %值、粗节、细节、棉结都有明显改善。 |
| 7. | Use experiments of various spinning apparatus in spinning supper - fine yarn have been done including the use of high - precision none - mechanical wave roller , new bottom - pin , anti - abrasive yarn guide , high - precision alloy ring and anti - twisting rubber - roller , etc
摘要在细纱工序生产特细纱时，进行了各种纺纱器材的使用试验，其中包括高精度无机械波罗拉、抗绕低硬度铝衬不处理胶辊、新型下销、高耐磨导纱钩、高精密合金钢领等。 |
| 8. | Mechanics course mainly includes the description of movement of objects , the instantaneous effect of strength , spatial build - up effect of strength , temporal build - up effect of strength , nonindividual body mechanics , mechanical wave and sound , relativity , inalterability and covariability and mechanics foundation of the theory of relativity
力学主要内容包括物体运动的描述，力的瞬时效应，力的空间累积效应，力的时间累积效应，连续体力学，机械波和声，相对性、不变性与协变性和相对论力学基础等。 |
