查询词典 sediment-covered

The suspended sediment exponent model and quadratic inversion model solving spectrum reflectance, spectrum reflectance mean value and reflectance first-order derivative are established respectively, based on the analysis of spectrum characteristics. The results showed that the 900 nm wavelength exponent model can accurately quantitatively inverse the suspended sediment concentrations.

在对其光谱特性进行分析的基础上，分别建立了悬浮泥沙光谱反射率、光谱反射率均值和反射率一阶微分的指数反演模型和二次反演模型，结果显示 900 nm 波长的指数模型可以较准确地定量反演出悬浮泥沙浓度。

The CLIMAP 18k bp sediment data files were compiled by Oregon State University. The files contain micropaleontology in the form of faunal counts of diatoms, planktonic foraminifera, coccoliths, and radiolaria, as well as stratigraphy (percent fine, coarse, total carbonate, oxygen 18 and carbon 13), and geochemistry (percent opal, quartz, and organic carbon), and inferred sea surface temperatures for 635 ocean sediment cores.

此数据库的沉积物数据由Oregon州大学收集编制，包括硅藻动物群、浮游有孔虫目、颗石藻、放射虫目中的古微生物，以及地层中碳酸盐、氧18和碳13的百分含量和由635个海底沉积物钻芯样本推测得到的海面温度。

Full-time sediment discharge rate of spring tides,neap tides and corresponding conclusions are obtained by calculating tidal sediment .

针对大连市长兴岛海域，某科研所设置了14个测站并获取了各站的潮流流速、流向和含沙量等水文数据，文章利用这些资料对潮流输沙问题进行了专门计算研究，得到了该海域各站大潮、小潮全日单宽输沙率，并得到了相应结论。

Nitrobacteria in the sediment in Liaohe estuarine were investigated by MPN-Griess and MPN-PCR in spring, summer and autumn of 2007. The summarization of the results on temporal and spatial distribution of nitrobacteria in sediment was done.

采用MPN-Gtiess和MPN-PCR两种方法，于2007年春季（5月份）、夏季（8月份）和秋季（11月份）分3个航次，对辽河口区域沉积物中的硝化细菌进行了计数，并对硝化细菌在时间和空间上的分布进行了定量分析。

Therefore,it is necessary to research diffusion equation for suspended sediment because it describes the sediment move process in the water body.The equation is a various coefficients second-order linear partial differential equa-tion,such equation under complex boundary condition is very difficult to get its analytical solution,while its numerical solution relative analytical solution is more easier and has the obvious superiority:simple,the computation convenience.but to get a kind of difference format which is good accuracy and stability is not easy.

泥沙扩散方程实际上是一个变系数的二阶线性偏微分方程，这样的方程在各种复杂边界条件下求解是十分困难的，求它的解析解在数学上存在着难以克服的障碍，无法求出其精确解，因此常用数值方法求它的近似解，相比较而言，数值方法有着明显的优势：即简单灵活、计算方便快捷，但要寻找一种精度高、稳定性好、计算方便的差分格式也并非易事。

The paper introduces the methods of drying and pycnometer for sediment yield of total precipitation erosion of observation model and validates the reliability of the measurement through check tests of sediment concentration with different particle sizes.

介绍了测量模型次降雨侵蚀产沙量的烘干法和密度瓶法，并通过不同粒径组泥沙浑水含沙量的对比试验，验证了测量方法的可靠性。

Based on scene X fluorescence analysis ray fluorescence , X of sea floor , that principle develop survey system can go on normal position survey to the sediment in sea floor, can carry on non- destructive analysing to the sediment of sea floor that is gathered fast on the ship too, mineral products reconnoitre or environment investigate in time submitting necessary information for marine.

基于现场X荧光的分析原理研制的海底X射线荧光探测系统可在海底对沉积物进行原位测定，也可以在船上对采集的海底沉积物进行非破坏性的快速分析，为海洋矿产勘察或环境调查及时提供必要的信息。

This paper introduces the application of sediment funnel to water supply engineering,especially analyzes the interception efficiency and water consumption when high sandiness stream is treaded with sediment funnel.

介绍了排沙漏斗在自来水供水工程中的试验研究，特别介绍和分析了排沙漏斗在处理高含沙水流时的截沙率和耗水率，对粒径大于0。

Investigation of sediment depth was made and the results show most of the sediments are deposited in the western shore-line area and Meiliang Bay. The laboratory results raise the possibility that there is significant difference in chemical or physical properities in the upper 10cm sediment, which suggests sediments are frequently resuspended in this layer.

通过对太湖底泥厚度的调查，发现太湖中底泥主要分布在西部沿岸和北部的梅梁湾；对底泥中各种理化特征垂直分布的分析表明，在表层5-10cm内，容重、粒径、含水率及有机质含量随深度的变化显著，说明表层5-10cm是底泥中频繁发生侵蚀－沉降－再侵蚀的活跃层。

The problem of sediment suspension, transport and siltation is an important subject of coastal engineering. It is of great benefit to this study to establish the numerical model of describing sediment movement in real situation.

海岸工程中的一个重要课题是泥沙的悬扬、输运和沉积问题，建立能够描述实际泥沙运动的数值模型对这一课题的研究有极大帮助。

On the other hand, the more important thing is because the urban housing is a kind of heterogeneity products.

另一方面，更重要的是由于城市住房是一种异质性产品。

Climate histogram is the fall that collects place measure calm value, cent serves as cross axle for a few equal interval, the area that the frequency that the value appears according to place is accumulated and becomes will be determined inside each interval, discharge the graph that rise with post, also be called histogram.

气候直方图是将所收集的降水量测定值，分为几个相等的区间作为横轴，并将各区间内所测定值依所出现的次数累积而成的面积，用柱子排起来的图形，也叫做柱状图。