coastal plain
- coastal plain的基本解释
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滨海平原, 沿岸平原
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The difference of bulk density of coastal soils took an effect on infiltration rate and diffuse rate. The infiltration rate and diffuse rate of coastal soils which bulk density was small were big. The water transmitting experiment of coastal soils showed that the saturated conductivity of different layers in soil profile were great, and the saturated conductivity of undisturbed soil was highly higher than that of disturbed soil. The saturated conductivity of coastal soils embanked earlier was lower than that of coastal soils embanked later. Under different water content, the unsaturated conductivity of coastal soils had a great change and the bulk density had an effect on unsaturated conductivity. The soil with a low bulk density had a high unsaturated conductivity. Chlorine ion moved in coastal soil was an inert ion. The distribution of CU in soil was definite and repeated, which is no relation with the time and velocity of infiltration. The concentration of infiltration solution and the texture of coastal soils had no apparent effect on solute movement synthetic dispersion coefficient, while bulk density took an apparent effect on solute movement synthetic dispersion coefficient. Synthetic dispersion coefficient of coastal soils increased as bulk density decreased.
浙江大学硕士毕业论文浙北海涂土壤水分特性及溶质运移模拟研究 4、海涂土壤的导水能力强,且土壤剖面备土层的饱和导水率变化大,原状土的饱和导水率远大于扰动土的饱和导水率,围垦时间较早的海涂土壤的饱和导水率较围垦时间晚的海涂土壤的饱和导水率要小;不同含水量下的非饱和导水率变化范围很大,最大值与最小值差距可达 10'③ 5、容重的不同对入渗率、扩散率、非饱和导水率都有影响,容重小,入渗率、扩散率、非饱和导水率也花 6、在海涂土壤中运移的氯离子是一&惰性离子&,氯离子在土壤运移过程中的分布有一定的确定性和重现性,与入渗时间和入渗速度无关,溶质运移过程中,入渗溶液的浓度和海涂土壤的质地对溶质运移综合扩散系数DSh无明显影响,而土壤容重对溶质运移综合扩散系数DSh有影响,容重小,DSh大。
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The assembly of journal and plain bearing liner space is too little, force of organic still oil pressure is small it is the crucial index that affects lubricant result, make lubricate because of lacking engine oil between crankshaft and plain bearing liner and bite dead invalidation, include to be pulled badly, lack lube, layer of alloy of dry attrition generation is fused, grind sliding surface to did not maintain the oily film of certain ply, and all sorts of local overload exhaustion are destroyed, cavitation erosion and V form are destroyed etc, through technology of him director diesel locomotive old experience reachs the analysis of pair of its breakdown reasons, put forward precautionary measures especially. As a result of,the burns caustic mechanism plain bearing liner to burn caustic mechanism of 1 plain bearing liner is the lube film burst between journal and plain bearing liner, cause plain bearing liner and crankshaft generation clash, below high temperature, high pressure and high rotate speed, the wear-resisting alloy layer of plain bearing liner wears away prematurely or fuse, cause plain bearing liner and crankshaft to stick thereby bite, can make the steel back of plain bearing liner and Kong Zhong produces whirligig, inlet port is jammed, carry on the back by steel again with the friction of aperture causes high temperature to make plain bearing liner burned-out further, can cause bolt to break off, happen swing a malign accident that pounds cylinder body of bad internal-combustion engine.
轴颈和轴瓦的装配间隙太小,还有机油压力低是影响润滑效果的关键指标,使得曲轴和轴瓦之间因缺少机油润滑而咬死失效,包括严重拉伤,缺少润滑油,干摩擦产生合金层熔化,磨滑面没有保持一定厚度的油膜,以及各种局部过载疲惫破坏,气蚀和V形破坏等,通过本人主管内燃机车技术多年经验及对其故障原因的分析,特提出预防办法。1轴瓦的烧损机理轴瓦烧损的机理是由于轴颈和轴瓦之间的润滑油膜破裂,导致轴瓦和曲轴产生摩擦,在高温、高压和高转速下,轴瓦的耐磨合金层过早地磨损或熔化,从而引起轴瓦和曲轴粘咬,会使轴瓦的钢背和座孔中产生旋转运动,进油孔被堵塞,再由钢背和座孔的磨擦进一步引起高温使轴瓦烧坏,并会造成螺栓折断,发生甩出捣坏内燃机缸体的恶性事故。
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The area of Nantong in Jiangsu Province is a fluvial plain by Yangtze River. To the north of the mouth of river to the sea is a beach plain, which was once the boundless ocean in history, through the development of history, form the wide seabeach finally. The two plains, which are in the different location, have the different ways to utilize the soil. The Yangtze Fluvial Plain, whose soil is fertile, grew to be the well-known area of producing cotton, with people outnumbering the farmland, while the beach plain became a famous salt field. With the development of the coastline, Huainan saltern declined day by day and at the beginning of 20th century, under the advocate of local government and the call of modern industrialist, Mr. Zhang Jian, the salt field in the North of Jiangsu province underwent a great reclaim-plain movement, which brought a tide of spontaneous immigration to the area. During the movement, the key problem is the contest for the ground. As the ownership of the land of salt fields is complex, the unification of the ownerhship of land was not easy. Zhang creatively took advantage of the form of modern joint-stock company to solve the problem.
江苏省长江口北岸现南通地区为长江冲积平原,沿江口向北为海岸淤涨地区,历史上这里曾是汪洋大海,经过多年历史演变,终于形成广阔的海滩,两个不同的淤涨地区,对土地的利用截然不同,沿江地区土地肥沃,逐渐成为著名的棉产地,人多地少;沿海则成为我国历史上著名的两淮盐产地,随着海岸线的演变,淮南盐场日益没落,20世纪初,在政府的提倡和近代实业家张謇的发动号召下,苏北盐垦地区发起了一场波澜壮阔的垦殖运动,与此相适应的则是一场自发的移民大潮,在这两大潮流中,最核心的是对地权的争夺,由于两淮盐场地权复杂,统一地权实属不易,张謇等人创造性地运用近代股份公司的形式解决了这一难题。
- 更多网络解释 与coastal plain相关的网络解释 [注:此内容来源于网络,仅供参考]
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coastal plain:海岸平原
coastal lagoon 滨海泻湖 | coastal plain 海岸平原 | coastal soil 滨海土壤
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coastal plain:沿海平原
coastal open cities 沿海开放城市 | coastal plain 沿海平原 | coastal platform 海岸台地
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coastal plain:沿海平原 沿岸平原
coastal forest 海岸(森)林 海岸林 Y | coastal plain 沿海平原 沿岸平原 Y | coastal plankton 沿海浮游生物 沿岸性浮游生物 Y
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coastal plain:海滨平原
coastal land form 海岸地形 | coastal plain 海滨平原 | coastal sand dune 海岸沙丘
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belted coastal plain:带状沿岸平原
belt-line theory 出油井间连线上最佳布井的理论 | belted coastal plain 带状沿岸平原 | belted metamorphics 变质岩条带
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