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second peak中文是什么意思

  • 第二峰

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  • A second peak occurs during the third decade
    第二高峰期发生在三十岁。
  • He is the second peak on the ancient traditional teaching theory , only after kong zi
    第二部分介绍朱熹以“明人伦”为宗旨的教育思想。
  • Peak ages from 15 - 18 to 25years : age distribution is bimodal , with second peak in the elderly ( ages 65 - 75 ) ; this group has a higher mortality rate
    年龄高峰期为两段,年轻人15 - 18岁到25岁;和老年人65岁到75岁。老年人的脑外伤死亡率高。
  • The cured products had lower cure - degree and even lower cross - linking density . the weight loss at the second peak ( 300c ~ 550c ) of dtga was 64 % , but the weight loss of polybenzoxazine ( bisphenol a type ) itself was only 8 . 5 %
    Tga分析:固化物在第二微分失重峰( 300 550 )处迅速失重64 ,没有第三失重峰,而在此处树脂失重仅8 . 5 。
  • The vibration source identification was realized in this paper by analyzing and comparing the train ’ s and the bogie ’ s lateral acceleration . the proposed method can divide into four steps : first adopting the acceleration ’ s peak - peak value entropy comparison method , second peak - peak value cross correlation comparison method , third peak - peak value weight center position comparison method , and the last adopting peak - peak value max - value position comparison method , if still unidentified refuse it
    分为四个步骤:首先用加速度的峰峰值熵比较法进行判别,如果不行则用加速度峰峰值互相关比较法进行判别,如果不行则用加速度峰峰值重心位置比较法进行判别,仍然不行最后用加速度峰峰值最大值位置比较法进行判别,如果仍然不行则拒绝判别。
  • It is indicated that the hydration process of cement - based materials with slag , fly ash and silica fume is different in some degree from that of neat cement because of the difference in mineral structure and hydration mechanism . the periods of accelerating , decelerating and terminating are prolonged and hydration reaction decelerates . the second peak of rate curve of the heat evolution could be divided into two small peaks , which are contributed to the hydration of clinkers and mineral mixtures at the temperature of 30 but when temperature comes to 50 , the two small peaks combine into one and the reaction accelerates
    结果表明,与硅酸盐水泥相比,由于矿物掺合料与水泥熟料在活性和水化机理上的差异,水化历程有较大的改变:多组分体系诱导期、加速期和衰减期延长,水化反应速率明显降低;低温时,水化放热速率曲线上的第二放热峰细化成分别对应于熟料和矿物掺合料水化的两个小峰;高温时,反应速率加快,双峰合并;进一步研究发现,掺合料的种类与掺量对水化历程也有较大的影响;建立了适用于多组分水泥基材料不同水化阶段的水化动力学方程。
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Last modified time:Fri, 15 Aug 2025 00:29:56 GMT

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