湖泊沉积物

科学家们通过查阅包括树木年轮、冰芯和湖泊沉积物在内的约700项记录，重现了过去2000年的主要气候事件。

Scientists reconstructed the major climate events of the past 2000 years by looking at around 700 records , including tree rings , ice cores and lake sediments2 .

湖泊沉积物对N和P的吸附特性及影响因素研究

Adsorptive Characteristic of Nutrient Elements and Influential Factors in Taihu Lake Sediment

湖泊沉积物中S、C及其比值的环境意义

S , C and oc / ts in lake sediments and their environmental significance

湖泊沉积物有机质δ~（13）C所揭示的环境气候信息

Informations of climate and environment deduced from the organic matter δ ~ ( 13 ) c of lacustrine sediments

湖泊沉积物中邻苯二甲酸酯类的GC／MS分析

Analysis of Phthalic Esters in Lake Sediments by GC / MS

多酚氧化酶的活性与有机质、全N、全P的含量均呈负相关关系，与有机质的含量之间的负相关在水田和湖泊沉积物中达到显著水平。

Polyphenol oxidase activity is negative correlated with the content of organic matter , total nitrogen and total phosphorus .

湖泊沉积物有机质δ~（13）C古气候解释的研究现状

The characteristics of compositions of the organic matter δ ~ ( 13 ) C in lake sediments and its paleoclimatic explanations

ICP-AES测定湖泊沉积物中微量元素的样品微波消解研究

Study on Microwave Digestion of Sediment of Poyang Lake Determined by ICP-AES

切尔诺贝利核事故泄漏~（137）Cs在苏皖地区湖泊沉积物中的蓄积及时标意义

Accumulation and time marker significance of Chernobyl-derived ~ ( 137 ) cs in lake sediments from Jiangsu-Anhui

讨论了大气~（14）C产生率纬度效应，以及~（14）C分布储存库效应、环境效应、硬水效应等对极地湖泊沉积物~（14）C测年之影响及校正。

The latitude effect of ￣ 14C productivity , reservior effect , environment effect , hardwater effect on ￣( 14 ) C age of Antarctic lake sediments have also been discussed .

河北水库及湖泊沉积物中DDT农药的残留特征与风险评估

DDTs residues in sediments from Hebei lakes and reservoirs and their risk evaluation

干旱区湖泊沉积物中过剩~（210）Pb的沉积特征与风沙活动初探

Preliminary study on excess ~ ( 210 ) Pb flux characteristic of lake sediment in arid regions and its implication for aeolian activity

湖泊沉积物粒径组成对TP含量影响较大，在各形态磷中对Ca-P影响最大，对Fe/Al-P影响最小；

Grain size had relatively big effect on TP and Ca-P content in the sediments ;

湖泊沉积物－水界面的HCO3~－地球化学研究

The study on HCO_3 ￣ - geochemistry at sediment-water interface of lakes

本文利用国内外的一些研究成果，对湖泊沉积物有机质13C的组成特征及其古气候环境意义的研究现状进行了详细论述。

The composition features , influential factors and the paleoclimate environmental significance of the organic matter δ 13C in lake sediments are discussed in detail in this paper .

湖泊沉积物中总有机碳（TOC）与有机碳同位素（δ13Corg）值对区域气候环境具有较好的指示意义。

Total organic carbon ( TOC ) and organic carbon isotope (δ 13Corg ) values in lake sediments have a better indicative implications for regional climatic environment .

通过玄武湖沉积物柱状芯样室内模拟实验，归纳和总结了温度、溶氧、pH值等环境因素对湖泊沉积物污染释放的影响规律，对沉积物释放率与各因素之间的关系进行了定量化研究。

The main contents discussed in this paper are as follows : ( 1 ) The releasing principle of lake sediment are summarized through the simulated experiment of pole-core sample in Xuanwu lake , and ration study on the relationship between releasing rate and factors are also taken on .

形态分析、SEM/AVS值及多种综合评价的结果均显示，2个湖泊沉积物中Cd和Pb的潜在生态风险最大，是水环境重金属污染中优先控制的污染物。

The results of speciation analysis , SEM / AVS ratio and a variety of comprehensive assessment show that Cd and Pb in both lake sediments have the highest potential ecological risks and they are priority control pollutants in heavy metal pollution of watery environment . 5 .

岩溶石笋、海洋珊瑚、湖泊沉积物等信息载体可以用热电离质谱（TIMS）铀系技术定年。数据表明，1&3层的年代比目前的有些提法要早一些。

Cave stalagmites , corals , lake sediments are suitable for dating using the thermal ionization mass spectrometry ( TIMS ) uranium series method . 1 were dated with uranium series dating .

湖泊沉积物有机质碳同位素δ13C是一种重要的环境代用指标，其对环境变化的响应较为复杂。

The stable isotope of organic carbon (δ 13C ) in lacustrine sediment is an important environmental proxy and is widely used in lake sediment and environmental change studies , but its response to environmental change is comparatively complicated .

实验结果显示，在所研究的四个湖泊沉积物中，色氨酸只是一种微量氨基酸组分，浓度为0.15-2.66μmol／g，占总可水解态氨基酸的0.17%-9.18%。

Results show that tryptophan was a minor component in the sediments of four Chinese lakes , its concentrations ranging from 0 . 15 to 2.66 mmol · g-1 , and accounted for 0 . 17 % - 9 . 18 % of total hydrolyzable ammo acids ( THAA ) .

即适当外源氨氮浓度下，沉水植物通过增加沉积物蛋白质和氨基酸等含量，提高了沉积物有机氮的生物有效性。（2）区域湖泊沉积物DOM特性差异。

The results indicated that the increase of the content of protein and amino acid resulting from extraneous NH4 + - N submerged plants enhanced the bioavailability of dissolved organic nitrogen in sediments . ( 2 ) The difference of fluorescent characteristics of DOM in lake sediments .

湖泊沉积物中重金属的溶出反应与AVS氧化密切相关，而河流沉积物中重金属的溶出反应则还与铁锰氧化物及有机质的变化有关。

In the lake sediment , the heavy metals release is related closely to AVS oxidation ; while in the river sediments , this process is also related to the change of Fe and Mn oxides and organic matters in addition to AVS oxidation .

不同预处理方法对湖泊沉积物有机磷分级的影响

Effect of Different Pretreatments on Organic Phosphorus Fractions in Lake Sediment

浅水湖泊沉积物中磷的地球化学特征

Geochemical characteristics of phosphorus in sediments of a large shallow lake

底泥疏浚对湖泊沉积物的生态毒性效应的影响

Influence of sediment dredging on the ecotoxic effect of lake sediments

湖泊沉积物Rb/Sr比值的古气候含义

Paleoclimate Implication of Rb / Sr Ratios from Lake Sediments

城市湖泊沉积物中有机磷矿化过程及其影响因素研究

Mineralization Process of Organic Phosphorus and Influential Factors in Urban Lake Sediment

湖泊沉积物中蛋白质和氨基酸的动态变化

Dynamic study of protein and amino acids in Lake Sediments

湖泊沉积物-水界面系列采样装置的研制

Development of Devices for Collecting Samples near the Lacustrine Sediments-Water Body Boundary