Ph

Tratamento de efluentes de refinaria de petróleo em reatores com Aspergillus niger

Wastewater Treatment / Wastewater / Ph / Aspergillus niger / Biological treatment / Bioreactors / Chemical Oxygen Demand / Engenharia Sanitária e Ambiental / Bioreactors / Chemical Oxygen Demand / Engenharia Sanitária e Ambiental

Derivatised carbon powder electrodes: reagentless pH sensors

Analytical Chemistry / Cyclic Voltammetry / Ph / Temperature / Methylene Blue / Elevated Temperature / Square Wave Voltammetry / Elevated Temperature / Square Wave Voltammetry

PEG–Ara-C conjugates for controlled release

Organic Chemistry / Dosage Form / Humans / Controlled release / Ph / Mice / Animals / Cell Death / Computer Graphic / NLE / Poly Ethylene Glycol / Time Factors / HeLa cells / Amino Acid Profile / Molecular weight / Residence Time / Dendrimer / Drug Stability / Delayed-Action Preparations / Hydrogen-Ion Concentration / Antineoplastic Agents / Polyethylene Glycols / Molecular Structure / Ad / Mice / Animals / Cell Death / Computer Graphic / NLE / Poly Ethylene Glycol / Time Factors / HeLa cells / Amino Acid Profile / Molecular weight / Residence Time / Dendrimer / Drug Stability / Delayed-Action Preparations / Hydrogen-Ion Concentration / Antineoplastic Agents / Polyethylene Glycols / Molecular Structure / Ad

Natural occurrence of hexavalent chromium in a sedimentary aquifer in Urânia, State of São Paulo, Brazil

Groundwater / Multidisciplinary / Ph / Sediment / Aquifers / Desorption / Pollutants / AQUIFER / Hexavalent Chromium / Desorption / Pollutants / AQUIFER / Hexavalent Chromium

Natural occurrence of hexavalent chromium in a sedimentary aquifer in Urânia, State of São Paulo, Brazil

Groundwater / Multidisciplinary / Ph / Sediment / Aquifers / Desorption / Pollutants / AQUIFER / Hexavalent Chromium / Desorption / Pollutants / AQUIFER / Hexavalent Chromium

Sorção do herbicida imazaquin em Latossolo sob plantio direto e convencional

Ph / Soil organic matter / Partition Coefficient / Spatial Variation / Conventional tillage / Organic Matter / Soil Water / Organic Matter / Soil Water

pH-Responsive Nanostructures Assembled from Amphiphilic Block Copolymers

Engineering / Block Copolymer / Ph / Wettability / Surface topography / Nanostructure / Contact angle / Macromolecules / CHEMICAL SCIENCES / Nanostructure / Contact angle / Macromolecules / CHEMICAL SCIENCES

SALIDA DE CAMPO

Soil / Ph / Sample / Calcination
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