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- 01/01/2008
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- 01/01/2007
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- Editorial Office of Journal of Mechanical Transmission
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- 01/01/2022
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No full text差速器是汽车传动系统的重要传动部件之一,其故障模式的分析与控制一直是汽车行业内关注的热点。以某搭载紧凑型轿车的低速行驶转弯异响为背景,系统阐述了问题分析与排查过程,通过差速器性能台架实现了异响问题的复现,结合故障零部件的解析,提出了差速器异响问题的潜在机理和解决思路。通过行星轴定位装配方式和加工工艺的优化,准确有效地消除了该车型差速器的异响,这对于整车瞬态工况下传动系统NVH(Noise、Vibration、Harshness)与异响问题的解决排查,具有一定的工程指导价值
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- 01/01/2011
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- 01/01/2008
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- 01/01/2013
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- 01/01/2009
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No full text为了提高沸石对汞的吸附性,利用半胱胺盐酸盐对天然斜发沸石进行改性,制得巯基改性沸石。研究了吸附剂用量、pH值、温度、Hg2+浓度和吸附时间对沸石和巯基改性沸石吸附Hg2+的影响,并进一步研究了吸附机理。结果表明,巯基改性沸石吸附Hg2+受pH值、温度的影响较小,吸附机制主要是沸石表面的硫与Hg2+的化学反应。而天然沸石对Hg2+的吸附主要是离子交换作用,受温度、pH值等的影响较大,随温度的升高吸附量下降。整个吸附过程以较快的速度进行。天然沸石在吸附时间为1 h、巯基改性沸石在0.5 h时基本达到吸附平衡。吸附条件试验和Langmu ir等温吸附模型都表明,巯基改性沸石对Hg2+的吸附能力得到了很大的提高,吸附容量由8.06 mg/g提高到19.88 mg/g,提高了146.65%
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- 01/01/2009
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- 01/01/2009
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- Publication date
- 01/01/2007
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