简介:Thispaperstudieswaterandsolutetransportinsoil.ItmainlydealswiththeadsorptionbehaviorofheavymetalCd++insoilatdifferentPHvaluesandthedynamiccharac-tersofadsorptionprocessinunsaturatedstate.Throughtheoreticalanalysisandexperimentalre-search,theadsorptionisothermandtheequationsofdynamicadsorptioninsaturatedandunsatu-ratedstatesareproposed.
简介:Twenty-fiveyearsagoAmerica'ssmallhydroelectricpowergenerationswerereactivatedbyprivate,municipal,andlocalgovernmentstoutilizetherenewableenergyfromthesmallhydrostiesavailable10,000existingdams,smallriversand/orstreams,andenergyrecoveryfacilitiesatmanywatertransmissionanddeliverysystems.
简介:文章简要介绍了EH-4电导率成像技术的原理,利用其在贵州西线高速公路槽箐头隧道和惠水县团坡水电站引水隧洞的工程地质勘探中,均收到了较好的勘探效果,表明EH-4电导率成像技术具有探测深度大、不受高阻屏蔽、勘探精度及工作效率高等优点。