1) regressive sediments
海退沉积物
2) sea sediment
海洋沉积物
1.
Simultaneous Multielement Analysis of a Sea Sediment by Inductively Coupled-Plasma Atomic Emission Spectrometry;
海洋沉积物标样ICP-AES多元素同时分析
2.
Research on high precision fast detection system for sea sediment heat conductivity;
海洋沉积物热导率高精度快速测量系统研究
3.
A method for the determination of major and minor elements including SiO2,Al2O3,Fe2O3,MgO,CaO,Na2O,K2O, P2O5,TiO2,MnO,BaO,Ni,Cu,V,Cr and Zn in sea sediment samples by Axios X-ray fluorescence spectrometer with mixed flux fusion pellets was proposed.
采用混合熔剂熔融制备样片,用Axios X射线荧光光谱仪测定海洋沉积物样品中SiO2、Al2O3、Fe2O3、MgO、CaO、Na2O、K2O、P2O5、TiO2、MnO、BaO、Ni、Cu、V、Cr和Zn等16种组分,用理论α系数校正基体效应,分析方法的精密度(RSD,n=12)为Cu和Cr小于6%,其余大多数主次量组分小于2%。
3) Marine sediment
近海沉积物
1.
Direct Determination of Trace Copper in Marine Sediment Sample by GFAAS Using a Slurry Sampling Technique;
悬浮液进样石墨炉原子吸收法测定近海沉积物中的铜
2.
Marine sediment Standard material was used as sample to determine Pb,Cu and Cd with GF-AAS and Hg,As with HF-AFS.
常压湿式消解、高压微波消解、常压微波消解3种方法被应用于近海沉积物中Pb、Cu、Cd、Hg、As 5种重金属元素的分析。
4) marine sediments
海洋沉积物
1.
Study on determination of As in marine sediments by microwave digestion-atomic fluorescence spectrometry;
微波消解—原子荧光法测定海洋沉积物中As的研究
2.
Evaluation and calibration on the detrital contamination to biogenic opal of marine sediments by alkali leachate methods;
碱提取法分析海洋沉积物生物硅方法中碎屑组分污染的评估及校正
3.
Determination of vanadium and chromium in marine sediments by inductively coupled plasma mass spectrometry with hexapole collision cell technology
六极杆碰撞池-电感耦合等离子体质谱法测定海洋沉积物中的钒和铬
5) seafloor sediments
海底沉积物
1.
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
2.
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
3.
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
6) deep-sea sediment
深海沉积物
1.
Bacterial diversity in deep-sea sediment from northeastern Pacific Ocean;
东北太平洋深海沉积物细菌多样性
2.
DNA extraction and DGGE analysis of the bacterial community of a deep-sea sediment sample collected at the East Pacific Ocean;
东太平洋深海沉积物中DNA的提取及细菌多样性初步分析
3.
[Method] Arsenite-resistant bacteria in the deep-sea sediment were enriched with 2×10-3 mol/L NaAsO2 and isolated on plates.
【目的】为了筛选深海砷抗性菌,了解印度洋中脊深海沉积物砷抗性菌的多样性情况。
补充资料:海退
海退 regression 在相对短的地史时期内 ,因海面下降或陆地上升,造成海水从大陆向海洋逐渐退缩的地质现象。海退的结果,常形成地层的海退序列,由下至上一般为:沉积物由细变粗或由碳酸盐岩变为碎屑岩;沉积时的海水由深变浅;海相沉积逐渐演变成海陆交互相沉积和陆相沉积。海侵和海退常紧密伴生,海退也具有周期性和旋回性,在时间和空间上也可区别为不同级别和规模。海退的成因可与海侵类比(见海面升降运动,海侵)。 |
说明:补充资料仅用于学习参考,请勿用于其它任何用途。
参考词条