1) resistance to slow crack growth
耐慢速裂纹增长
1.
This paper reviews three main tests including notch pipe test(NPT),full-notch creep lest(FNCT) and Pennsylvania notch test(PENT) through which the resistance to slow crack growth behavior of polyethylene is evaluated.
介绍了评价管材料耐慢速裂纹增长性能的3种实验方法:管材切口实验、全切口蠕变实验和宾夕法尼亚州切口实验的研究进展情况,并对3种方法进行深入分析和对比,可为管材料的研究和性能评价提供参考。
2) slow crack growth
慢速裂纹增长
1.
Slow Crack Growth Resistance of the Polyethylene Pipes Prepared by Mandrel Rotating Extrusion
旋转挤出聚乙烯管的耐慢速裂纹增长性能研究
2.
The mechanism and influencing factors on slow crack growth resistance of PE pipes were reviewed in the paper,and the countermeasures to improve the slow crack growth resistance of PE pipes were presented finally.
耐慢速裂纹增长性能是提高聚乙烯(PE)管材耐用性的关键因素。
3) slow-crack-growth
耐慢速裂纹扩展
4) slow-growing-cracks
慢速裂纹
1.
This paper discussed the factors that induced the "slow-growing-cracks" in the wall of polyethylene tube in the light of molecular structure.
从分子结构的角度讨论了聚乙烯管材发生慢速裂纹扩展的影响因素,并指出了主要的影响因素为系带分子数量、分子量及分子量分布、支化密度、支链分布、片晶厚度和片晶之间的距离。
5) Rapid Crack Propagation
快速裂纹增长
1.
It is of utmost importance for continuous development of plastics pressure pipe to set up and perfect the quality assurance system against the risk of rapid crack propagation and for the necessary long service life ____long term strength.
建立和完善快速裂纹增长危险和长期寿命—长期强度性能的质量监控体系对塑料压力管持续发展至关重要。
6) cracks growth(△a)
裂纹增长(△a)
补充资料:雨中花 仆自幼刻意林壑,不耐俗事,懒慢之
【诗文】:
能自克。志复疏怯,嗜酒好睡。遇乘高履危,动辄有畏。道逢达官稠人,则便欲退缩。其与人交,无贤不肖,往往率情任实,不留机心。自惟至熟,使之久与世接,所谓不有外难,当有内病,故谋为早退闲居之乐。长大以来,遭时多故,一行作吏,从事於簿书鞍马间,违己交病,不堪其忧。求田问舍,遑遑於四方,殊未见会心处。闻山阳间,魏晋诸贤故居,风气清和,水竹葱 。方今天壤间,盖第一胜绝之境,有意卜筑於斯,雅咏玄虚,不谈世事,起其流风遗躅。故自丙辰丁巳以来,三求官河内,经营三径,遂将终焉。事与愿违,俯仰一纪,劳生愈甚,吊影自怜。然而触於事物,感今怀昔,考其见於赋咏者,实未始一日而忘。李君不愚,作掾天台,出佐是郡,因其行也,赋乐府长短句,以叙鄙怀。行春胜日,物彩照人,为予择稚秀者,以雨中花歌之,使清泉白石,闻我心曲,庶几他日,不嗜酒偏怜风竹,晋客神清,多寄虚玄。有山阳遗迹,水石高寒。曾为幽栖起本,几求方外微官。谩蹉跎十载,还羡君侯,左驾朱。山村霰雪,竹外花明,瘦梅半树斓斑。溪路转、青帘佳处,便是萧闲。寄谢王君精爽,摩挲森碧琅。个中著我,储风养月,先报平安。
【注释】:
【出处】:
能自克。志复疏怯,嗜酒好睡。遇乘高履危,动辄有畏。道逢达官稠人,则便欲退缩。其与人交,无贤不肖,往往率情任实,不留机心。自惟至熟,使之久与世接,所谓不有外难,当有内病,故谋为早退闲居之乐。长大以来,遭时多故,一行作吏,从事於簿书鞍马间,违己交病,不堪其忧。求田问舍,遑遑於四方,殊未见会心处。闻山阳间,魏晋诸贤故居,风气清和,水竹葱 。方今天壤间,盖第一胜绝之境,有意卜筑於斯,雅咏玄虚,不谈世事,起其流风遗躅。故自丙辰丁巳以来,三求官河内,经营三径,遂将终焉。事与愿违,俯仰一纪,劳生愈甚,吊影自怜。然而触於事物,感今怀昔,考其见於赋咏者,实未始一日而忘。李君不愚,作掾天台,出佐是郡,因其行也,赋乐府长短句,以叙鄙怀。行春胜日,物彩照人,为予择稚秀者,以雨中花歌之,使清泉白石,闻我心曲,庶几他日,不嗜酒偏怜风竹,晋客神清,多寄虚玄。有山阳遗迹,水石高寒。曾为幽栖起本,几求方外微官。谩蹉跎十载,还羡君侯,左驾朱。山村霰雪,竹外花明,瘦梅半树斓斑。溪路转、青帘佳处,便是萧闲。寄谢王君精爽,摩挲森碧琅。个中著我,储风养月,先报平安。
【注释】:
【出处】:
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