littoral dune是什么意思

用法例句

The effects of seeds size on the distribution and abundances of plants and seed banks in a Mediterranean coastal sand dune;

地中海沿岸沙丘种子大小对植物及其种子多度的影响

The discussion of comprehensive development planning the golden waterway coastwise segment of Yuxi river in Hanshan;

含山县裕溪河黄金水道沿岸综合开发规划探讨

Numerical simulation of longshore currents and pollutant movement in waves and currents in coastal zone;

近岸沿岸流及污染物运动的数值模拟

The effects of longshore currents,Stokes mass transport by waves,large scale eddies and the instability of longshore currents on the transport of pollutant in a surf zone are discussed based on the experimental results.

通过物理模型实验对海岸波浪作用下污染物运动特性进行了分析,重点分析了质量输移流、沿岸流、沿岸流不稳定运动及破波带内旋涡运动等海岸水动力因素的影响。

Discussed in this dissertation are the wave breaking and transformation on a slope, longshore currents.

论文对于波浪在斜坡上的传播、变形破碎过程和沿岸流进行了研究并对波浪在表面铺置不同粒径泥沙的斜坡上的变形破碎以及相应波高变化进行了实验观测,主要内容有如下几方面:1。

The contents of Hg,Cd,Zn and Pb in the topsoil (0~20cm) of farmland on three sections of Xihe river outlet in Shenyang were investigated and the status of the heavy metal pollution was evaluated by the monomial and Nenerow aggregate pollution index,respectively.

通过田间采样和室内分析,对沈阳市细河沿岸上、中、下游3条断面上的农田表层土壤(0～20cm)Hg、Cd、Zn和Pb污染现状进行了调查和评价。

Heavy metal contents of bivalve in coastal waters south to Changjiang Estuary, China;

长江口以南我国沿岸海域经济贝类中的重金属

In this paper,two representative methods for comprehensive ecological environmental quality assessment in estuarine and coastal waters are introduced,and they are the ov.

重点介绍了2种有代表性并被广泛应用的河口和沿岸海域生态环境质量综合评价方法———欧盟的“生态状况评价综合方法”和美国的“沿岸海域状况综合评价”。

The distributions of the bioavailable heavy metals (cadmium, copper and zinc) in the coastal waters of Guangdong Province were discribed by oyster monitory.

利用牡蛎做监测生物，研究了广东沿岸海域生物可利用性重金属Ｃｄ、Ｃｕ和Ｚｎ的地理分布。