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- natural erosion rate 自然侵蚀速率
- Rock formations old as time have been exposed by natural erosion. 由于自然侵蚀,古老的岩层已经暴露在外。
- As the seabed erosion rate decreases, the diapir shrinks gradually and disappears finally due to the erosion. 软弱层变形及刺穿对海洋工程设施危害极大。
- The three cultural relics are world-known symbolic Tibetan structures. Owing to their long-standing history and natural erosion, they have become old to varied extent. 三大重点文物作为西藏闻名于世的标志性建筑,由于年代久远和自然侵蚀,都出现了不同程度的老化。
- The erosion rate of insulator of SRM will increase remarkably when it was impinged by this dense two-phase flow, this will do harm to SRM operation. 当发动机内绝热层受到这种稠密两相流的冲蚀时,其烧蚀率将急剧增大,从而危及发动机的正常工作,这是目前高速高加速固体火箭发动机研究中需要解决的问题之一。
- However, it is much higher of the erosion rate of land with wild grass and dry farmland than that of the woodlands with secondary masson pines. 根据实验结果以及野外调研,次生马尾松林多半生长在松山上部,受人为活动的破坏影响较小,植被覆盖率较高,因此受侵蚀程度较低。
- The pilot-scale experiment of YSW105 shows that both erosion rate of heat exchanger and adhesion rate excel the standard of China Petroleum & Chemical Corporation. YSW105现场应用效果表明;系统的浓缩倍数平均为4.;5;监测换热器的腐蚀速率和粘附速率均优于中石化标准。
- Grey theory is employed in the prediction of soil erosion rate, and a computer program is written in VC++6.0 language to ease the calculation of soil erosion rate. 同时;还将灰色理论引入了风蚀模数的预测;利用VC++6.;0编制了计算程序;降低了风蚀模数的预测难度。
- Fast erosion rate of orogenic belts imposes time limits for survival of super-giant ores formed at shallow crustal depths associated with porphyries with affinity to adakitic magmas. 由于造山带的剥蚀速率快,导致和埃达克岩浆演化密切相关的形成于地壳浅部的大型斑岩矿床的保存有时限。
- Ferrous sulphate treatment improves the erosion rate of the AluBrass. The corrosion rates observed are however higher than that obtained with MEXEL 432. 硫酸亚铁处理改善铝黄铜的浸蚀率,然而其腐蚀率仍高于M.;432处理。
- Relation between erosion rate and deposited time 泥沙冲刷率与淤积时间变化
- The formula for the evaluation of steady erosive rate of copper-impregnated graphite throat insert is offered. 在此基础上提出了适用于石墨渗铜喉衬稳态烧蚀速率估算的公式。
- It is natural for a cat to catch mice. 猫捉老鼠是本能。
- REVIEW OF STUDY METHODS OF SOIL EROSION RATE 土壤侵蚀速率研究方法综述
- Annual Erosion Rate of Copper Tube Radiators 铜管散热器的年腐蚀速率
- It's natural to slack2 off towards the end of a hard day's work. 一天紧张工作快结束的时候有些放松是自然的。
- Many natural materials are becoming scarce. 许多天然原料越来越少。
- The erosive rate of materials increased with increasing sediment concentration, but was not directly proportional to the increase amount of solid. 研究表明:随含沙量的增加,材料的磨损率也增加,但不与含沙量的增加值成正比;
- Our motherland flows with natural resources. 我们祖国蕴藏着丰富的天然资源。
- Estimations with four existing calibration models showed that PM model underestimated while MBM 1 model overestimated the soil erosion rates very obviously,and both MBM 2 and MBM 3 gave similar and reasonable estimations. 文中采用 4种常用的~(137)土壤侵蚀模型估计研究区的土壤侵蚀速率 ;结果表明 ;PM模型明显低估了土壤侵蚀速率 ;MBM1明显高估了土壤侵蚀速率 ;MBM2 和MBM3估计的结果较为相近的合理结果 .