海洋沉积物
- 网络marine sediment;oceanic sediment;marinesediments
-
海水和海洋沉积物中总N的测定
A Method for Determining Total Nitrogen in Sea Water and Marine Sediments
-
台式偏振X射线荧光光谱仪在海洋沉积物元素分析中的应用
The Use of Desktop Polarization X-ray Fluorescence Spectrometry in the Marine Sediments Geochemical Analysis
-
海洋沉积物DNA提取前的简易脱腐方法研究
A simple method for removing humic acids from marine sediment samples prior to DNA extraction
-
应用能量色散X射线荧光光谱法测定海洋沉积物Rb、Sr元素的方法研究
Measurement of trace elements BB and Sr in oceanic sediment by Energy-Dispersive X-Ray Fluorescence Spectrometry
-
ICP-AES法测定海洋沉积物中钡、钒
Determination of Barium and Vanadium in Marine Sediments by ICP-AES
-
海洋沉积物中19个元素的ICP-AES同时测定
Simultaneous determination of 19 elements in marine sediments by ICP-AES
-
Eh和海洋沉积物氧化还原环境的关系
Relationship between EH value and redox environment in marine sediments
-
常压消化体系&原子吸收分光光度法测定海洋沉积物中Cu、Pb、Zn、Cd、Cr
Determination of Cu , Pb , Zn , Cd , Cr in marine sediment by AAS under normal pressure digest system
-
总之,表面活性剂在海洋沉积物上的吸附过程是非常复杂的,不仅受沉积物组成的影响,一些外部因素如盐度、pH值、温度等的影响也很重要。
It is influenced by not only the composition of sediments but also some external factors such as salinity , pH , temperature and so on .
-
海洋沉积物中的N和P随沉积物的粒度由粗到细,含量逐渐升高,而Si则降低;
The contents of N and P in marine sediments increase with decreasing grain size of the sediments , but the reverse is true of the Si content .
-
原子吸收法测定海洋沉积物碳酸盐组分中的Ca,Mg,Na,Fe,Mn
The determination of elements ca , mg , na , fe , Mn in the carbonate fraction of marine sediments by atomic absorption spectrophotometry
-
海洋沉积物中~(210)Po的测定及其在地质年代学上的应用
The determination of ~ ( 210 ) po in the marine sediments and its application in geochronology
-
运用主成分分析(PCA)评价海洋沉积物中重金属污染来源
Application of Principal Component Analysis ( PCA ) for the Estimation of Source of Heavy Metal Contamination in Marine Sediments
-
结合SrNd同位素的资料来看,交代流体可能来自于蚀变洋壳而不是海洋沉积物。
Combining with the Sr-Nd isotope data , the fluids are inferred to have stemmed from altered ocean crust other than sediments .
-
以近海海洋沉积物标准物质为样品经3种方法消解后,通过石墨炉原子吸收法测定Pb、Cu、Cd和氢化物发生原子荧光法同时测定Hg、As。
Marine sediment Standard material was used as sample to determine Pb , Cu and Cd with GF-AAS and Hg , As with HF-AFS .
-
污染评价的结果显示网箱养殖区沉积物Cu的含量劣于我国海洋沉积物一类标准,污染有增加的趋势。
The assessment result reveals the contents of Cu in cage culture area are inferior to the first class of Marine Sediment Quality and the pollution condition is deteriorating .
-
建立用超声波萃取-高效液相色谱法同时检测海洋沉积物中16种优先监控的多环芳烃(PAHs)的方法。
A method using ultrasonic extraction combined with separation by HPLC was established for the simultaneous determination of 16 PAHs in marine sediments .
-
海洋沉积物孔隙水中溶解无机碳(DIC)的碳同位素分析方法
An Analytical Method for Carbon Isotopic Composition of Dissolved Inorganic Carbon ( DIC ) in Pore Waters from Marine Sediments
-
DMP和DEP在海洋沉积物上的吸附行为研究。
To research the sorption behaviors of DMP and DEP on marine sediments .
-
尝试一次消解海洋沉积物样品,用氢化物原子荧光法同时测定As和Hg。
A method was proposed for the simultaneous determination of trace arsenic and mercury in the marine sediment sample by atomic fluorescence spectrometry with hydride generation .
-
目前BC的研究主要集中在大气和海洋沉积物等方面,但对森林土壤中BC的研究并不多见。
At present , most researches in the field of black carbon concentrated on the atmosphere and ocean sediments , but few on forest soils .
-
悬浮液HG-AFS测定海洋沉积物样品中痕量砷
HG-AFS Determination of trace amounts of arsenic in marine sediments using suspension sampling
-
沉积物尤其是海洋沉积物中MBP的含量、存在和分布受到沉积物类型、温度、有机质、氧化还原环境、pH值等多种环境因素的控制和影响。
Environmental factors such as types of sediments , temperature , organic matter , redox conditions , pH were found to affect levels and distribution of MBP in sediments .
-
本文报导了用SCOTSE-30玻璃毛细管气相色谱法分析海洋沉积物中C(14)&C(32)一元饱和脂肪酸甲酯。
The paper reports the analysis of C14-C32 monobasic saturated fatty acid methyl esters in marine sediments using SCOT SE-30 glass capillary gas chromatography .
-
按照国家《海洋沉积物质量标准》,除Pb外其它重金属总量都有比较严重的污染,污染程度依次为Cd、Zn、Cu、Cr。
According to the standard of Marine Sediment Quality , the heavy metals contamination is serious except for the element of Pb . The order of the seriousness is Cd > Zn > Cu > Cr.
-
天然气水合物的存在需要严格的温压条件,因此主要分布于水深大于300~500m的海洋沉积物和陆地永久冻土带内。
Gas Hydrate can only exist in strict temperature and pressure condition such as marine sediment located in more than 300 ~ 500m below seawater and permafrost area .
-
采用带六极杆碰撞池技术(CCT)的电感耦合等离子体质谱(ICP-MS)测定了海洋沉积物中的钒和铬。
Inductively coupled plasma mass spectrometry ( ICP-MS ) with hexapole collision cell technology ( CCT ) was applied to the determination of vanadium and chromium in marine sediments .
-
模拟海洋沉积物界面邻近条件下,研究了吸附硅酸盐及Cu、Pb、Co、Ni的水合氧化铁颗粒和FeS沉淀对Mn(Ⅱ)氧化反应的影响。
Effects of hydrous Fe (ⅲ) oxide particulate that absorbs silicate and heavy matals like Cu , Pb , Co 、 Ni and the FeS Precipitate on the rate of Mn (ⅱ) oxidation have been studied under simulated conditions adjacent to seawater sediment interface .
-
从青岛近海海洋沉积物样品中分离出一株海洋发光细菌,命名为D40。
A luminous bacterium , D40 , was isolated from the marine sediment samples collected in Qingdao offshore .
-
结果表明,沉积物中石油烃含量在(55.8-2563.4)×10-6,平均值为555.82×10-6,与海洋沉积物质量标准(GB18668-2002)500×10-6相比,超标率为50%,超标倍数为1.05~5.13倍;
The results showed that the oil content in sediment ranged from 55.8 × 10-6 to 2563.4 × 10-6 , the average is 555.82 × 10-6 , which is 1.05-5.13 times than the standard of Marine Sediment Quality ( GB18668-2002 ) .