Since its discovery, tungsten, a transition element of Group VIb of the Periodic Table of
Elements, and its compounds have been considered environmentally benign. Its presence in …

… atoms such as [XW 12 O 40 ] n− , where X is a heteroatom (for example, P, Si, Be) or the
hydrogen, (c) the Dawson structure [X 2 W 18 O 62 ] n− , which is a derivative from two Keggin …

The perfect-plasticity approximation (PPA) is an analytically tractable model of forest
dynamics, defined in terms of parameters for individual trees, including allometry, growth, and …

… of trees growing in a large homogeneous plot and suppose that we let N i ,x,y,z,t be the number
of … If we now define n(z) to be the number of trees of height z, and N(z) the corresponding …

Tungsten is a metal with many industrial and military applications, including manufacturing
of commercial and military ammunition. Despite its widespread use, the potential …

The acute toxicity of four different nanosized particulate materials (titanium dioxide, boron
nanoparticles, and two types of aluminum nanoparticles (ALEX and L-ALEX)) were evaluated …

One of the main problems when introducing beneficial microbes to the plant rhizosphere is
that the plant growth promoting rhizobacteria (PGPR) do not survive or do not execute their …

… occur in just two regions of the world: Morocco and North Carolina, USA. Furthermore, much
of the North Carolina resources are unavailable because they either underlie ecologically …

Detailed, precise, three-dimensional (3D) representations of individual trees are a prerequisite
for an accurate assessment of tree competition, growth, and morphological plasticity. Until …

… expressed in (μg/g)/(μg/ml) n , c is the total dissolved tungsten concentration (μg/ml), and
n is the dimensionless Freundlich's exponent. Curve-fitting was performed by nonlinear …