| 1. | The correction of the method of equivalent cycle number 非稳定变应力下疲劳强度计算的等效循环次数法的修正 |
| 2. | For 3d - c / sic composite , the overall tendency of modulus was diminishing with increased cycle number 3d - c sic弹性模量随着疲劳循环次数的增加总趋势是减小的。 |
| 3. | The cycle numbering system dates back to the eighteenth century and the current solar cycle is cycle 23 太阳周期的排序开始于十八世纪,而现在我们正处于第二十三周期。 |
| 4. | Using df ( describing function ) in determining the limit cycle number of differential equation is a significant analysis try 摘要将描述函数法用于确定微分方程极限环个数的问题是一个有意义的理论探索。 |
| 5. | Each cycle starts from the time of minimum activity . the cycle numbering system dates back to the eighteenth century and the current solar cycle is cycle 23 每一周期是从太阳活动最低潮时算起。太阳周期的排序开始于十八世纪,而现在我们正处于第二十三周期。 |
| 6. | The relationship between the cyclic stress response of tension and torsion and the cycle number were measured and studied subjected to proportional and non - proportional loadings 分别测试和研究比例与非比例拉扭加载下拉与扭的应力响应值随循环数的变化关系。 |
| 7. | The cycle numbers to fatigue failure of asphalt concrete can be increased greatly by the utilization of polyester fiber , and this enhancement is presented more significantly at lower stress levels 间接拉伸疲劳试验也表明,聚酯纤维能提高沥青混凝土的疲劳寿命,且在低应力的情况下改善效果更加明显。 |
| 8. | Point in the number of times of a repetition in period , or each of cycle number . calculate the unit to hz hertz , such as the frequency is 1000 hzs 1 khz signal 1000 every second then contain the cycle of the sine wave 指在一个周期内的重复次数,或每秒的周波数。计量单位为hz hertz ,如频率为1000hz 1khz的音频信号每秒便有1000个正弦波的周波。 |
| 9. | When comparing the electrical resistance with some other common damage parameters , the damage evolution law expressed by them is obtained . and the relationship between resistance and fatigue cycle numbers has been studied essentially 将电阻参量和其它一些常用损伤参量进行比较,得到其它参量表示的损伤演变规律,分析了电阻随材料疲劳循环次数变化的本质。 |
| 10. | Abstract : the effects of sodium hydroxide concentration and chlorination temperature on effective chlorine content of calcium hypochlorite were tested . the effects of mesh number of standard sieve on effective chlorine content of calcium hypochlorite were tested . the retrieval technology of effective chlorine in mother liquor of calcium hypochlorite was researched , and the effects of cycle number on effective chlorine content of calcium hypochlorite were tested . the results indicate that when sodium hydroxide concentration is 333 . 3 g / l , and chlorination temperature is 20 , the effective chlorine content of calcium hypochlorite is highest , that when mesh number of standard sieve is 180 mesh , the effective chlorine content of calcium hypochlorite is higher , but the passing sieve rate is not too low , that the cycle number has no remarkable effect on the effective chlorine content of calcium hypochlorite , and the effective chlorine content of calcium hypochlorite is basically above 80 % 文摘:测试了烧碱质量分数和氯化温度对漂粉精有效氯含量的影响,测试了分盐用标准筛目数对漂粉精有效氯含量和过筛率的影响.研究了漂粉精母液中有效氯的回用工艺流程,并测试了循环次数对漂粉精有效氯含量的影响.结果表明,烧碱质量分数为25 、氯化温度为20时,漂粉精的有效氯含量最高;标准筛目数为180目时,漂粉精的有效氯含量较高而过筛率不太低;循环次数对漂粉精有效氯含量没有显著影响,并且漂粉精有效氯含量基本上可以达到80以上 |