bottom sediments

Analysis and study on the sound velocity empirical equations of seafloor sediments;

海底沉积物声速经验方程的分析和研究

A study of the relationship between acoustic attenuation of seafloor sediments and water content;

海底沉积物声衰减与含水量关系的实验研究

Experimental study of the relationship between temperature and acoustic attenuation of seafloor sediments;

海底沉积物样品声衰减与温度关系的实验研究

A research on error analysis of seabed sediment porosity by calculation method and sonic speed retrieval method;

海底沉积物孔隙度计算方法与声速反演的误差分析研究

Influences of granule factor of seabed sediments on acoustic attenuation under different frequencies;

海底沉积物颗粒因素在不同频率下对声衰减的影响

Studies on clustering analysis of acoustic and physical-mechanical properties of seabed sediments;

海底沉积物声学物理力学性质聚类分析研究

The Research of PCBs and PAHs in Sediments of Songhua River;

松花江流域底泥沉积物中多氯联苯和多环芳烃的研究

Electronic microscopy,X-ray diffraction,infra\|red spectrometry,atomic absorption spectrometry and chemical analysis are used for a comprehensive analysis of the exterior form and the primary,secondary and small component parts of the sediment samples collected from Xiaoqing River in Jinan,Shandong Province.

采用BCR连续提取分类法,结合透射电镜、X-ray粉末衍射光谱、红外光谱、原子吸收光谱和相应的化学法等手段,综合分析了山东小清河济南段底泥沉积物的形貌,主要和次要成分的化学组成,并探讨了在BCR分级提取的各个阶段中被提取的底泥试样污染物Cu,Pb,Zn,Cr,Cd的分子存在形态。

Studies on cultivation of acid-tolerant methanogenic granular sludge using river sediments.;

河底沉积物培养耐酸产甲烷颗粒污泥的试验研究

globigerina ooze

ph.1. 球房虫软泥(深海海底沉积物)

In Situ Acoustic Experiment and Properties Study in Marine Sediments;

海底沉积物声学原位测试和特性研究

Distribution Characteristics, Sources, and Sedimentary Environmental Indications of the Sediment in Xiamen Bay;

厦门湾海底沉积物分布特征及其物源和沉积环境意义

Study on Seabed Sediments Ultrasound Signals in Temperature Influence;

海底沉积物超声测量的温度影响性研究

Research of the sea-bed sediments classification based on acoustic parameters invertion

基于声学参数反演的海底沉积物分类研究

The research on measuring the sediment's acoustic attenuation characteristic on seafloor using direct ultrasonic measurement

海底沉积物声衰减特性直接测量方法研究

The distribution of Hg in sediments of Qinzhou Bay,Guangxi,and its influence

钦州湾海底沉积物Hg元素分布及其影响分析

Wavelet Transfer on Seafloor Sediment Acoustic Measurement

基于小波变换选择的海底沉积物声速分析技术

A study on forecasting equation of sound velocity for seafloor sediments based on principle component analysis

基于主元分析技术的海底沉积物声速预报方程

Engineering Environmental Implications of the Corrosive Quality of Submarine Sediments

海底沉积物腐蚀性的工程环境意义分析

Research on application of spectrum analysis in acoustic measurement of seabed sediments

海底沉积物声学测量中频谱分析方法应用研究

Sedimentary characteristics and model of Cenozoic bottom sediments of Sunan mining area

宿南矿区新生界底部沉积物特征与沉积模式

In situ acoustic measurement technique of superficial marine sediments

海底表层沉积物声参数原位测量技术

Sedimentary characteristics and reservoir property of sublacustrine fan in Chexi Area

车西地区湖底扇沉积特征及储集物性

The total volume of sediments carpeting the ocean bottom has turned out to be surprisingly small.

覆盖海底的沉积物的总体积显得惊人地微

SEDIMENTARY FEATURES AND HYDROLOGICAL PROPERTIES OF LOOSE SEDIMENTS AT THE CENOZOIC BOTTOM IN THE HUAIBEI NEW MINING AREA

淮北新矿区新生界底部松散沉积物沉积特征及水理性质

Study on the Use of Meiofauna Parameters to Assess Heavy Metal Pollution in Sediments

利用小型底栖动物对沉积物重金属污染的评估

The farmers found the alluvial deposits at the mouth of the river very fertile.

农民发现这条河口底下的沉积物很肥沃。