石油和天然气的密度都比水小，所以二者通常会浮在被水浸泡的岩石和沉积物的表层。
Both oil and gas are less dense than water, so they generally tend to rise upward through water-saturated rock and sediment.
这些表层堆积物覆盖面积达10平方公里（4平方英里）；
those deposits cover more than10 square kilometers (4 square miles).
我们的皮肤在不停地剥落——每个人每两到四周就会更换一次表层皮肤——而所有那些脱落的皮肤可以帮助减少室内环境中的某些污染物含量。
We shed skin constantly — each of us replacing our outer layer of skin every two to four weeks — and all of those skin flakes may help reduce levels of certain pollutants in indoor environments.
天沟和排水管被仔细安装进建筑物表层，镀锌钢板在边角处折叠卷起，隐藏了窗框，并打褶形成防水条。
Roof gutter and drainpipes have been carefully integrated into the surface, the galvanised fabric folds sharply over corners, tucks away window framesand pleats into a weather bar.
同时要把干燥的植物覆盖在粪便或堆肥物的表层，这样可以避免分解过程中的猪粪与雨水接触。
A final layer of dry plant material shall be added to the waste/compost to protect it from direct rainwater contact while it decomposes.
他把一些肌肉细胞种到一个小小的球形聚合物表层，把内衬细胞种到聚合物内层。
He placed a few muscle cells on the surface of a small polymer sphere and some lining cells on the inside.
研究成果表明，河漫滩表层沉积物是森林超低密度地球化学调查的最佳采样介质。
Studies show that surface sediments of the flood land seem to be the best sampling media in ultra-low density geochemical investigation in forest-swamp areas.
岩基、岩盖、岩堤、岩席等火成的侵入物向表层岩石推进，并在入侵过程中结晶。
Igneous intrusions such as batholiths, laccoliths, dikes, and sills, push upwards into the overlying rock, and crystallize as they intrude.
表层沉积物总磷的释放作用易受到扰动强度的影响。
The phosphorus release in the surface layer is affected by the disturbing condition.
在纳米螺旋碳纤维中的催化剂颗粒表层，可能有铜的氧化物存在。
There maybe has oxide of copper in the surface of nano copper catalyst particles.
氧化物表层上面的氮化物保持原状不动。
见有汞异常浓度由沉积物向上经底层、表层海水到海面大气渐次降低的趋势。
The trend of decrease in mercury content is seen from sediments upwards to bottom seawater, surface seawater, and sea-surface air.
在一些实施方案中，所述第一表层包含由聚丙烯酸酯和第二聚合物构成的混合物。
In some embodiments, the first skin layer includes a mixture of a polyacrylate and a second polymer.
这些问题的提出就使得深海海底表层沉积物的保真取样技术研究非常有必要。
So, all above mentioned makes it necessary to study the truth-preserving sampling technique for the deep-sea surface layer sediments.
表层由氧化物、硫化物和氮（碳）化合物组成；
The surface layer consists of oxide, sulphide and N, C compound.
研究了合金成分、烧结方式、工艺参数等对表层缺立方相碳化物形成过程的影响。
The influence of alloy contents, sintering method and process parameters on the formation of surface layer deficient in cubic carbide has been studied.
本文报道了南黄海表层沉积物中不同形态氮的区域分布特征及其在生物地球化学循环中的作用。
The distributions and functions of various forms of nitrogen in the biogeochemical cycling in the southern Yellow Sea surface sediments were investigated.
而表层沉积物稀土特征反映了人类活动的影响。
And the geochemical characteristics of the surface sediments reflect the impact of anthropogenic activities.
通过清除所有的有机物，这种清洗方式能去除鸡蛋表层任何的有害细菌菌——其中沙门氏菌是最大的担忧。
The reason for power washing is to rid the egg's exterior of any harmful bacteria — salmonella is the big fear here — by rinsing off all organic matter.
采用同位素稀释-高分辨气质联用技术对京杭运河杭州市区段表层沉积物中二恶的分布进行研究。
The PCDD/Fs in surface sediments of Great Canal in Hangzhou city were analyzed by isotope Dilution HRGC/HRMS method.
土壤是承载有机污染物的重要介质，而光降解是降解土壤表层有机污染物的一种非常重要的非生物转化途径。
Soil is an important medium in which various organic pollutants can exist, while photodegradation is an effective abiotic transformation means for organic pollutants in surface soil.
这些结果与海底浅表层沉积物的物理力学性质、颗粒接触状态、颗粒的微结构等特征有关。
These results are related to the characteristics of seafloor surface sediments such as physical-mechanical features, grain contact state and sediment microstructure, etc.
对取自长江、黄河三角洲和东海230个表层沉积物样的重矿物资料进行人工神经网络分析。
Detrital mineral data of230surface sediment samples in Changjiang River (Yangtze River) and Huanghe (Yellow River) Deltas, and Outer East China Sea were analysed by BP Artificial Neural Network.
结构及填充物：该建筑有一个由钢筋混凝土支柱和双层胶合板梁与表层木板组成的屋顶组合而成的承重结构。
Structure and infills. The building has a load-bearing structure comprised of reinforced concrete circular pillars and a roof with a double frame of glulam beams and wooden planking above.
本论文进行了胶州湾表层和重力管(Z站)沉积物以及位于胶州湾外黄海内的柱状沉积物(e1、E2站)中氮的形态研究。
This thesis researched the forms of nitrogen in the surface and gravity sediments (station Z) of Jiao Zhou Bay and core sediments of the Yellow sea (station E1 and E2).
本文论述了南黄海表层沉积物天然湿容重和含水量的分布，并利用回归分析的方法讨论了容重和含水量与粒度之间的关系。
In -this paper, distribution of natural bulk density, water content, and the relationship of grain size with bulk density and water content are studied by regression analysis.
幕墙的外表层应由耐用材料制成，其寿命应和建筑物一样长。保养是最低限度的。
The exterior surface of a curtain wall should be made of a durable material, capable of lasting as long as the building. Maintenance should be a minimum.
幕墙的外表层应由耐用材料制成，其寿命应和建筑物一样长。保养是最低限度的。
The exterior surface of a curtain wall should be made of a durable material, capable of lasting as long as the building. Maintenance should be a minimum.
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