Mass immigration worsens plight of urban underclass
Article Abstract:
The increase in immigration has worsened the situation of the already existing urban underclass at the same time as structural changes in the economy have required special attempts to assess their needs and assure domestic tranquility. Immigration policy should be changed so that only immigrants with needed job skills are admitted to the US. Efforts to block illegal immigration must be strengthened. Given the structural changes in the economy, immigration's economic effects can no longer be ignored.
Publication Name: Forum for Applied Research and Public Policy
Subject: Science and technology
ISSN: 0887-8218
Year: 1995
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Application of a mass balance model to assess in-place arsenic pollution
Article Abstract:
A simple whole lake steady-state mass balanced model based on the fugacity approach and which uses aquivalence to evaluate equilibrium was used to examine pollutant dynamics in Moira Lake, Ontario, and to examine the impact of in-place pollution. Results revealed that although the lake has long been a sink of arsenic, upstream river water treatment has turned the lake into a net source of the chemical. In addition, a fraction of the loadings were found to be controlled by sediment-water exchange.
Publication Name: Environmental Science & Technology
Subject: Science and technology
ISSN: 0013-936X
Year: 1995
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Biomolecule Mass Spectrometry
Article Abstract:
Mass spectrometry (MS) is one of the most powerful tools of modern molecular biology research, in conjunction with matrix-assisted laser desorption ionization (MALDI) and electrospray ionization (ESI). MS is also used for protein and DNA sequencing, thermodynamic analysis of gaseous ions of noncovalent complexes, and proteomics.
Publication Name: Science
Subject: Science and technology
ISSN: 0036-8075
Year: 1999
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