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The regulations and significant advances in technology over the decades have resulted in the production of modern engines, power plants, and furnaces with dramatically reduced emissions. This has yielded significant improvements in air quality in locations where strict regulatory enforcement occurs. Figure 8 compares the United States’ changes in energy conversion with criteria pollutant and…

Earlier studies have demonstrated GPU sharing by using virtualiza tion as a means to increase utilization. Further studies identified that memory capacity is frequently over-provisioned in modern HPC systems and thus proposed disaggregating memory modules in a manner similar to hyperscale datacenters. This is further motivated by the observation that many HPC applications already share memory…

Concerns about global climate change, energy security, and unstable fuel prices have caused many decision makers and policy experts worldwide to closely examine the need for more sustainable transportation strategies. Sustainable strategies include clean fuels, vehicle technologies, transportation demand management, and integrated land use and transportation strategies . Bike sharing—the shared use of a bicycle fleet—is…

It is also recommended by the World Health Organization that governments dedicate funding for comprehensive enforcement programs provides legal protection and an ongoing revenue stream for government efforts to monitor and enforce regulatory compliance with marketing bans. In 2006 the U.S. Surgeon General affirmed that there is no risk-free level of exposure to tobacco smoke.…

That many participants also increased unhealthy eating and decreased exercise underscores findings from a recent Brazilian study, which found that increased unhealthy behaviors were associated with loneliness, sadness, and anxiety, particularly for young people. Notably, proportions reporting increased drinking alcohol, smoking tobacco, and vaping nicotine were lower than proportions reporting increased cannabis use. That finding…

Although adverse health effects of vaping THC cartridges have been found to include abdominal pain, nausea, chest pain, shortness of breath, and acute respiratory distress,they have not to date been fatal. In contrast, sudden deaths and hospitalizations from EVALI were linked to a compound called vitamin E acetate , the chemically stable esterified form of…

The present study addresses this gap by using the Tobacco Attitudes and Beliefs Survey II to investigate the relationship between marijuana use and PPR use among current cigarette smokers. This study examines 1) the likelihood of PPR use by marijuana use and 2) the frequency of marijuana use and current PPR use. Findings may help elucidate whether…

First and most straight forward is the cost of compliance with security measured including video surveillance and archival, disposal and quarantine, and other compliance costs that we estimated were equivalent to $4.88 per pound for small labs, $4.06 per pound for large labs and $3.25 per pound for large labs for a weighted average of…

The relationship between phase and correlation is shown more clearly in the bottom plots, where cos is in pink and correlation is in black. From viewing these sliding window time courses, it can be seen that phase offsets between the BOLD time courses approach 180 degrees during the post-dose section, and appear to be responsible for…

Given Chapter 1’s findings that patient registration is significantly responsive to changes in application fees and evidence that youth consumption of addictive goods is more price-elastic than adult consumption,11 this policy could maximize cannabis access for older adults while minimizing spillovers to youths. Increasing entry costs for younger adult users may have beneficial multiplier effects…