查询词典 sediment sampler

Furthermore, benzoic acid, p-toluic acid and p-phthalic acid were transformed slowly in sediment slurries amended with BESA (20 mM) under the condition of 100% CO2 and H2/CO2 (20/80), respectively, and the sediment slurry was dominated by methanogene bacteria.

在底泥含有甲烷菌抑制剂及上层气体分别为100% CO2和H2/CO2 (20ml/80ml)时，苯甲酸、对位甲基苯甲酸及对位苯二酸之分解变慢，且此底泥菌群是以甲烷菌为主要优势菌。

Chemical analysis and toxic tests were combined with benthic macro invertebrates community structure alternations. Based on tri-axial graphs together with relevant matrix of decision-making, the initial bio-responsive sediment quality criteria clearly indicated the situation of heavy metal pollution, and showed the dose-response relationships between heavy metal contamination and benthic biotics. Moreover, the SQC may provide some basic material for establishment of sediment quality standards and for follow-up remediation engineering in the area.

通过将化学分析、毒性鉴定和底栖群落结构变化三基元集成为一体的三轴图和相应的响应信息判断矩阵，基于现场生物响应的沉积物质量基准能较为清晰地指示乐安江流域表层沉积物中重金属污染的相对程度和分布模式，体现底栖生物对沉积物重金属污染的剂量-响应关系，为进一步制订该区域沉积质量管理标准、开展后续的污染治理与恢复工程提供技术保证和科学依据

Chemical analysisC and toxic testsT were combined with benthic macro invertebrates community structure alternationsB. Based on tri-axial graphs together with relevant matrix of decision-making, the initial bio-responsive sediment quality criteria clearly indicated the situation of heavy metal pollution, and showed the dose-response relationships between heavy metal contamination and benthic biotics. Moreover, the SQC may provide some basic material for establishment of sediment quality standardsSQS and for follow-up remediation engineering in the area.

通过将化学分析C、毒性鉴定T和底栖群落结构变化B三基元集成为一体的三轴图和相应的响应信息判断矩阵，基于现场生物响应的沉积物质量基准能较为清晰地指示乐安江流域表层沉积物中重金属污染的相对程度和分布模式，体现底栖生物对沉积物重金属污染的剂量-响应关系，为进一步制订该区域沉积质量管理标准 SQS、开展后续的污染治理与恢复工程提供技术保证和科学依据

Studying environgeological records of continental basins includes commonly methods such as formation, development and evolution of basins, geochemistry and paleoclimate of sediment forming, compaction and catagenesis after sediment accumulated.

盆地的环境地质记录是从盆地的形成、发展演变、沉积物形成的地球化学与古气候环境、沉积物堆积后所经历的压实、成岩来加以研究的。

To improve the quality of urine routine testing by dry chemical analysis,it is necessary to make sediment analysis by DiaSys working station or non staining urine sediment analysis with centrifugalization for urine trace occult blood.

为提高尿液检验的质量，干化学分析诊断为微量潜血的尿液标本，需用非染色尿沉渣镜检或DiaSys(R/S2003)进行检测。

As the results show: The two submerged macrophytes can also adapt to the polluted water. Under the condition of high nitrogen in the sediment, they can remove the nitrogen effectively, and the removal effect of Ceratophyllum demersum L.is better than Hydrilla verticillata Royle. Hydrilla verticillata Royle activates the TP in the sediment more effectively than Ceratophyllum demersum L.. The submerged macrophytes can intensify the removal effect of turbidity. But the CODMn removal effect of submerged macrophytes are not obvious.

结果表明：生长晚期的黑藻和金鱼藻仍可适应污染河水；在底泥含氮量较高的情况下，生长晚期的沉水植物对氮素具有明显的去除效果，且金鱼藻的脱氮能力高于黑藻；黑藻对底泥中TP的活化能力高于金鱼藻；沉水植物可以强化浊度的净化效果；沉水植物生长晚期对CODMn的去除效果不高。

Excitation-Emission Matrix Fluorescence Spectroscopy was employed to study fluorescence characteristics of chromophoric dissolved organic matter readily released from sediment particles during episodes of resuspension, and bottom waters and surface sediment pore waters were compared in all corresponding sites.

对采自厦门湾九龙江入海河口的4个沉积物样品进行了室内再悬浮模拟实验，利用荧光激发－发射矩阵光谱研究了再悬浮过程中从沉积物中释放出的有色溶解有机物的荧光特征，同时通过与相应站位沉积物间隙水和底层水的对比分析，探讨了河口近岸海域的沉积物再悬浮作用作为水体中溶解有机物来源之一的可能性。

In the future, analysis of the sediment samples from the entire subaqueous delta will be beneficial to an improved understanding of the deltaic response to the cathcment changes. At the same time, such a data set will be useful for the study of the sediment retention index and the material cycling patterns (e.g. carbon cycling) over the estuarine waters.

今后，如将柱状样采集区域扩大到沉积中心之外的整个水下三角洲范围，则所获得的数据不仅有助于沉积速率响应特征的全面了解，而且还可应用于沉积物滞留指数特征和控制因素的分析以及河口区碳循环过程变化的研究。

10Be records in the Okinawa Trough sediment during the last glacial, the Younger Dryas cold period, and the Holocene show that the main part of the fluctuations in 10Be content in the sediment can be attributed to variations in the 1°Be production rate.

表层沉积物中的10Be，9Be和Pb三者表现出完全不同的分布特征。10Be的分布主要受黑潮及其支流黄海暖流所支配；10Be的分布受黄河陆源物质输入的影响，主要集中在南黄海泥质区；Pb则主要分布在长江口和琉球群岛附近，反映了人类活动的影响。

However, this does not disprove that short changes in intensity or direction of the Kuroshio ever occurred at certain short cooling events. The 10Be minimum during the Younger Dryas event may indicate that the Kuroshio had been once greatly weakened or even terminated in the Okinawa Trough area which could be related to the response of the Pacific Ocean to the Younger Dryas. The 10Be and 9Be in surface sediment show totally different distribution patterns. The 10Be distribution is dominated by the input from Kuroshio and its branch, the Yellow Sea Current, whereas 9Be is mainly influenced by terrestrial input of suspended materials from the Yellow River discharge and deposited in the fine-grain size sediment zone southwest of the island of Jeju. Both 10Be and 9Be distribution patterns are different from anthropogenic pollutants such as heavy metal Pb which is dominantly distributed closely to the coastal areas.

冰期时冲绳海槽北部10Be的沉积通量远远高于太平洋大洋海区，充分反映了黑潮的传送带作用和边缘海的聚焦沉积作用，并表明末次冰期时在千年尺度上黑潮仍流经冲绳海槽，且强度并未减弱。10Be的通量在新仙女木时降到整个岩芯所跨时期的最低点，甚至低于10Be的现代大气平均生产率，因此推测在新仙女木事件时，黑潮的变动特别大，有可能改向或断流。

I can not negligent, he should do what?

我不能不在意了，他要做什么呢？

It is very dangerous to swim in the river alone.

一个人到河里游泳是很危险的。