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- ice jam evolution sequence 冰塞堆积顺序
- Some researchers have made study on this subject, such as the generation and evolution of frazil ice, shore ice, bottom ice, ice cover and ice jam, the resistance of freeze-up river, flow capacity and variation of water stage. 国内外一些学者通过原型观测，试验和数值模拟的方法对水内冰，岸冰，底冰，冰盖和冰塞的生成和演变，封冻河道的阻力、过流能力和水位变化等有关问题进行了研究。
- Ice is a ubiquitous water phenomenon in cold area rivers,the change of water level during ice jam is one the uppermost phenomena in ice jam reach. 冰凌是冬季寒冷地区河流上普遍存在的一种水文现象,冰塞期间水位的变化是冰塞河段最主要的现象之一。
- Results of experimental investigation and theoretical analysis on the stability criteria of floes beneath ice jam are presented. 本文对冰塞下冰块临界起动条件进行了分析研究，指出了过去研究的缺陷是和实际情况吻合较差以及计算公式构造不合理。
- Rivers in these regions often form the ice cover, the ice jam or the ice dam in winter, and they will bring various ice disasters. 这些地区河流冬季常形成冰盖、冰塞或冰坝,它们会带来各种冰凌灾害。
- Sun Z C, et al. (1986) Prototype observation and study of ice jam in hequ section of yellow river[A].Proc. of 7th IAHR Symp. on Ice Problem [C].Vol II. 高季章;杨开林;刘之平等.;(1995)南水北调工程东线北段河冰过程数值模拟[R]
- Ice jam of pipes for transporting oil and gas in winter threatens momently the safety running of petrochemical units in cold area. 在寒冷地区的冬季,用输油管道输油时,通过常年冻土地带的管线,其输送的油中的水会在管内壁结冰,严重时会发生冰堵事故。
- Ice is a ubiquitous water phenomenon in cold area rivers,the change of thickness and water level during ice jam is one the uppermost phenomena in ice jam reach. 冰凌是冬季寒冷地区河流上普遍存在的一种水文现象,冰塞期间冰塞厚度和水位变化是冰塞河段最主要的现象之一。
- For the light hydrocarbon recovery unit at Qiulin, ice jam has occurred many Limes since A11-gust 22, 2002 and has bought many troubles to normal production. 摘要川中秋林轻烃回收装置在2002年8月22日试生产初期，多次发生冰堵现象，严重制约了装置的正常生产。
- The initial ice jam thickness is a basic parameter in research of ice jam char acter and has important influences on its thickening, developing or in equilibrium la ter on. 初始冰塞厚度是冰塞研究的基础，对冰塞的后期增厚及平衡冰塞的形成与发展均有重要的影响。
- tectono-magmatic evolution sequence 构造动力体制转换
- Molecular clouds play an integral role in the prestellar evolutionary sequence of interstellar matter. 分子云在星际物质的星前期演化序列中起着不可缺少的作用。
- Based on ice jam mechanism,hydraulics model and energetics model are introduced into this research and well simulate water level,freeze-up and break-up date of each spring in Wudinghe River. 根据冰塞形成发展的机理,利用水力学模型和热力学模型模拟研究了无定河流域下游段丁家沟至白家川的每年春季河流水位、封河日期和开河日期。
- Finally, a possible evolutionary sequence of Seyfert Galaxies, from Seyfert is to Seyfert 2s then to Seyfert 3s or liners, are suggested. 最后提出了赛弗特星系可能的一种演化序列：从1型赛弗特星系演化到2型赛弗特星系，最后演化为3型赛弗特星系或低电离核星系。
- Ice jam flood: a lot of frazil ices and crushed ices gather under the covering ice, causing heading up of water level of upper reach. 冰塞洪水，大量冰花与碎冰在盖面冰下集聚，造成上游水位显著壅高的现象。
- Ice Jam Dam Flood at the Songhua River 松花江冰坝凌汛分析
- These three sites appear to represent an evolutionary sequence, whereby a tiankeng develops from multiple cave collapses, and subsequently degrades to the profile of a large doline. 这3个地方似乎可以说明天坑的演化顺序,即天坑从多重洞穴崩塌,到最后退化成大型漏斗的过程。
- Ice Jam Dam in Heilongjiang River 黑龙江冰坝研究综述
- How am I going to get out of this jam? 我怎样才能摆脱困境呢？
- Ice Jam Flood in the Songhua River 松花江凌汛
