tidal flat sediment造句
例句与造句
- the violent disorder of flooding and ebbing resulted in the release of nitrogen in tidal flat sediment and overlying water so that total nitrogen concentration raised rapid on water surface
涨潮初和落潮末潮流对滩面的强烈扰动会导致滩面沉积物及间隙水中氮的释放，造成上覆水体中tn浓度的迅速升高。 - based on the direction of sources and the ratios of sandstone to formation of sedimentary rocks, together with the sedimentary structures and textures, paleocurrent direction and the characteristics of paleontology, etc ., the planimetric maps of sedimentary facies of each stages in the studied area are compiled in order to recognized the extension of dominant facies and the evlotionary history of sedimentary environment, hi the stage of benxi and taiyuan, lagoon-tidal flat sediments are widespread in the area, and the deposits of estuary, lagoon and small delta in the northwest margin of ordos
以物源方向和沉积岩砂地比值为基础，结合沉积结构构造、古水流方向及古生物特征等，编制了研究区各期次的沉积相平面图，以识别优势相展布和沉积环境演化。本溪期和太原期研究区泻湖?潮坪沉积分布广泛，西北缘发育河口湾、泻湖及小型三角洲沉积。 - in this field observation we also find an important fact that, even during storm surge period, high tidal flat can still be in sedimentation in some place, no erosion occurred . to tell the typhoon storm surges from cold wave storm surges, 12 monthly sedimentary samples are collected from the modern tidal flat surface at dafeng, jiangsu . palynological analysis of these samples indicates that the seasonal palynological features of the tidal flat sediment are very obvious and some palynological indexes, such as taxon percentage of arboreal, herbaceous pollen and spore, are good indicators to tell the seasonality of the tidal flat deposits
为区分风暴潮沉积是由台风引致还是由寒流或冷锋引致，对长期处于淤积状态的江苏中部大丰县斗龙港附近潮滩，采集了一年中每月小潮期间滩面表层泥样，并在启东茅家港滩面分别采集了6月、9月与12月的表层泥样，在实验室中，对这些样品进行孢粉等分析，认为在以粉砂、泥为主的潮滩沉积中，孢粉种类百分比，尤其是木本种类占孢粉总种类的百分比是判别季节性潮滩的重要指标，通过启东茅家港工程建设区淤积状况的观测记录对这一判别指标进行了验证。 - It's difficult to find tidal flat sediment in a sentence. 用tidal flat sediment造句挺难的