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Both lowered and elevated alkali feld- spar δ18O values, however, were observed for the gneissic country rocks of the Tianzhushan pluton, suggesting that at least two sources of water were interacted with them on the pluton scale. Furthermore, it is of particular interests that the ...
Empirical evidence from cross-country studies on the effectiveness of aid to the water, sanitation and hygiene sector (WASH aid) points to significant heterogeneity across countries and highlights the need for further research at the sub-national level to assess and quantify the effectiveness of WASH...
With the promotion of the major strategy of national transportation power, the super-large-scale metro operation network has become an inevitable trend, an
Our Data Sources. EMARKETER researchers follow a rigorous curation process, tracking hundreds of sources and reviewing thousands of data points every day. We build relationships with sources for exclusive content and cite information made publicly availa
1. Identify the keywords in the following research question: “How does repeated pesticide use in agriculture impact soil and groundwater pollution?” Show Answer 2. When you search, it’s helpful to think of synonyms for your keywords to examine various results. What synonyms can you think of...
Missions carrying humans to Mars will require on-site resources, and a project led by Planetary Science Institute (PSI) scientists Nathaniel Putzig and Gareth Morgan is mapping the availability of potential shallow water-ice sources across the surface of the Red Planet. ...
The effects of climate change, population growth, and future hydrologic uncertainties necessitate increased water conservation, new water resources, and a shift towards sustainable urban water supply portfolios. Diversifying water portfolios with non-tra
Great care was taken to avoid any metal contamination during the process of sampling, digestion, and analyses from the beginning of the study. All equipment and containers were soaked in 10% HNO3 for 24 h and then rinsed thoroughly in deionized water prior to use. Each soil and dust sample...