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- Bering Sea bottom sediment layer formed mainly by land-based sources of material. 在阿拉斯加陸架上向北流動(dòng)的海流，一部分流入北冰洋；
- This article, by means of biological toxicity tests, analyzes the feature of the bottom Sediment poison pollution in the Dashahe River. 運用生物毒性監測方法,對深圳市南山區大沙河底泥毒物污染特征進(jìn)行了分析。
- Besides, this article, with chemistry monitoring means, analyzes that the poison in the bottom sediment is mostly organic matter. 文章還結合化學(xué)監測方法,分析了大沙河底泥毒物主要為有機毒物。
- Heavy metal pollution in bottom sediment of abandoned Yellow River was assessed by using geo-accumulation index and potential ecological risk index. 潛在生態(tài)指數法評價(jià)結果表明,故黃河底泥內重金屬污染對生態(tài)的潛在危害很輕。
- Benthos The organisms that live on the bottom sediments of freshwater and marine ecosystems. They include plants and algae (phytobenthos) that grow below low tide mark. 底棲生物（海底生物）：在淡水或海洋生態(tài)系統底部生活的生物體。包括一些水底的植物和藻類(lèi)。
- Some key technologies of bottom sediment dredging were summarized, and recommendations were made based on the introduction and analysis of the application and remediation of dredging. 摘要總結了底泥生態(tài)疏浚的一些關(guān)鍵技術(shù)，介紹國內外研究應用的概況并對修復效果進(jìn)行分析，針對生態(tài)疏浚的不足提出建議。
- It is shown from the research results that this method can be used to classify different bottom sediment types,recognize the unknown bottom sediment types and classify the mixtur... 研究結果表明,該方法可以對不同的底質(zhì)類(lèi)型進(jìn)行分類(lèi),可以識別未知的底質(zhì)類(lèi)型以及對混合在一起的兩種不同類(lèi)型的目標進(jìn)行分類(lèi)。
- Some key technologies of bottom sediment dredging were summarized,and recommendations were made based on the introduction and analysis of the application and remediation of dredging. 總結了底泥生態(tài)疏浚的一些關(guān)鍵技術(shù),介紹國內外研究應用的概況并對修復效果進(jìn)行分析,針對生態(tài)疏浚的不足提出建議。
- bottom sediment (settling) and water 底部殘渣與水
- sea bottom sediment characteristics 海底沉積特征
- bottom sediment ( settling ) and water 底部殘渣與水
- bottom sediment settling and water 底部殘渣與水
- Marine plants grow on the sea bed. 海生植物長(cháng)在海底。
- The results of the determination indicate that DDT and BHC (benzone hexachloride) were present to varying degrees in water, bottom sediments, bodies of or... 測定結果表明,南極長(cháng)城站鄰近海域的水質(zhì)、底質(zhì)和生物體以及冰雪中都不同程度地存在著(zhù)DDT和六六六。
- Water pollution imperils all kinds of marine life. 水質(zhì)污染危及所有海洋生物。
- They sent the enemy ship to the bottom of the sea. 他們把敵艦擊沉。
- America had the largest mercantile marine. 美國當時(shí)擁有最大的商船隊。
- The rocks are covered by marine plants. 巖石被海生植物所覆蓋。
- The child was sitting on the bottom stair. 那孩子正坐在樓梯最下面的一級上。
- Are there any other clauses in marine policies? 海運險還包括其它條款嗎？
