More recently, researchers have sought to associate electromagnetic fields, the radon or hydrogen content of the soil and seismicity patterns with impending earthquakes.
最近，研究者们试图将电磁场以及土壤中氡和氢的含量与将要发生的地震类型联系在一起。
The company explains that, “Water can be produced by reducing lunar soil with hydrogen that is imported from the Earth.
该公司解释说：“水可以通过使用地球输送的氢还原月球土壤来生产。
The presence of hydrogen in the soil, meanwhile, could provide a source of fuel for lunar visitors.
在土壤中存在的氢，将为月球的探访者带来燃料。
Paraffin is a known carcinogen, and hydrogen peroxide can harm the digestive system. Chopsticks irresponsibly disposed of can contaminate water and soil quality.
石蜡是一种已知的致癌物，而过氧化氢则对消化系统有害。随意丢弃木筷则可能污染水和土壤质量。
If true, the signal might be explainable by hydrogen flowing out from the Sun and interacting with oxygen in the lunar soil.
如果是真的，那么该信号可能是太阳上的氢与月壤内的氧原子结合后形成。
The lunar soil is nearly 50 percent oxygen, and the scientists think that hydrogen comes from the solar wind that pounds the moon's surface.
月球上的土壤有约50%是氧气，科学家们认为氢气来自于刮到月球表面的太阳风。
Similarily, the soil hydrogen peroxidase, urease and phosphatase activities were increased obviously.
显著增强土壤过氧化氢酶、脲酶和磷酸酶活性。
The main problems are related to seepage of carbon dioxide, hydrogen sulphide, radon and other gases from soil cavities directly into indoor air through perforations in the structure.
主要的问题在于二氧化碳、硫化氢、氡气和其它的气体从土壤的缝隙中直接透过建筑物渗入室内的空气 中。
The main problems are related to seepage of carbon dioxide, hydrogen sulphide, radon and other gases from soil cavities directly into indoor air through perforations in the structure.
主要的问题在于二氧化碳、硫化氢、氡气和其它的气体从土壤的缝隙中直接透过建筑物渗入室内的空气 中。
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