10,028 research outputs found

### GMO Awareness and Eating Behaviors Among College Students

This study examines college studentsâ€™ awareness of genetically modified (GM) foods and whether it alters his or her eating behaviors. This study draws on data from a sample of 318 undergraduate students enrolled at the University of New Hampshire, who completed an online survey via Qualtrics. The survey looked specifically at how aware students are of genetically modified foods, and how many GM meals he or she consumes per week. The results of this survey showed a strong correlation between higher levels of awareness and more consumption of GM food. These findings suggest that people with less awareness of GM food may be uninformed of the prevalence of genetically altered food in our society

### Meeting spiritual needs of the hospitalized patient

Thesis (M.S.)--Boston Universit

### Two problems on independent sets in graphs

Let $i_t(G)$ denote the number of independent sets of size $t$ in a graph
$G$. Levit and Mandrescu have conjectured that for all bipartite $G$ the
sequence $(i_t(G))_{t \geq 0}$ (the {\em independent set sequence} of $G$) is
unimodal. We provide evidence for this conjecture by showing that is true for
almost all equibipartite graphs. Specifically, we consider the random
equibipartite graph $G(n,n,p)$, and show that for any fixed $p\in(0,1]$ its
independent set sequence is almost surely unimodal, and moreover almost surely
log-concave except perhaps for a vanishingly small initial segment of the
sequence. We obtain similar results for $p=\tilde{\Omega}(n^{-1/2})$.
We also consider the problem of estimating $i(G)=\sum_{t \geq 0} i_t(G)$ for
$G$ in various families. We give a sharp upper bound on the number of
independent sets in an $n$-vertex graph with minimum degree $\delta$, for all
fixed $\delta$ and sufficiently large $n$. Specifically, we show that the
maximum is achieved uniquely by $K_{\delta, n-\delta}$, the complete bipartite
graph with $\delta$ vertices in one partition class and $n-\delta$ in the
other.
We also present a weighted generalization: for all fixed $x>0$ and $\delta
>0$, as long as $n=n(x,\delta)$ is large enough, if $G$ is a graph on $n$
vertices with minimum degree $\delta$ then $\sum_{t \geq 0} i_t(G)x^t \leq
\sum_{t \geq 0} i_t(K_{\delta, n-\delta})x^t$ with equality if and only if
$G=K_{\delta, n-\delta}$.Comment: 15 pages. Appeared in Discrete Mathematics in 201

### Self-shielding printed circuit boards for high frequency amplifiers and transmitters

Printed circuit boards retaining as much copper as possible provide electromagnetic shielding between stages of the high frequency amplifiers and transmitters. Oscillation is prevented, spurious output signals are reduced, and multiple stages are kept isolated from each other, both thermally and electrically

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