Composite Value of Each Alternative with SAW Model.

<p>Composite Value of Each Alternative with SAW Model.</p

Nondimensionalized Values of Each Alternative.

<p>Nondimensionalized Values of Each Alternative.</p

Summary of Evaluation Criteria for Mineral Resources International Trade.

<p>Summary of Evaluation Criteria for Mineral Resources International Trade.</p

China's RE Supply and Demand in the World between 2004 and 2010.

<p>China's RE Supply and Demand in the World between 2004 and 2010.</p

RE Reserves, Production, Consumption and Export in China and the World in 2011.

a<p>Data in thousand metric tons of REO content; ^b Data in tons of REO content; ^e Estimated.</p><p>Source: <a href="http://www.plosone.org/article/info:doi/10.1371/journal.pone.0102870#pone.0102870-US1" target="_blank">[1]</a>, <a href="http://www.plosone.org/article/info:doi/10.1371/journal.pone.0102870#pone.0102870-Department1" target="_blank">[6]</a>, <a href="http://www.plosone.org/article/info:doi/10.1371/journal.pone.0102870#pone.0102870-Bodimeade1" target="_blank">[7]</a>.</p

Production of melatonin by BL21-pET32-ZjOMT and BL21-pET32a empty vector strains induced by IPTG.

<p>The column chart was presented as mean±SD, white indicated an empty vector strain, the dark grey indicated ZjOMT recombinant strain, “**” indicated the difference of P<0.01 in t test.</p

Markets of China's RE Export in 2011.

<p>Markets of China's RE Export in 2011.</p

Expression of ZjOMT in Al treated <i>Z</i>. <i>japonica</i>.

<p>Light grey indicated without Al control, while the dark grey indicated 400 μM Al stress. “**” indicated the difference of P<0.01 in t test.</p

Growth curve of BL21 pET32a and BL21-pET32-ZjOMT under Al stress.

<p>Growth curve of BL21 pET32a and BL21-pET32-ZjOMT under Al stress.</p

Aggregate Weights of Each Level.

<p>In this hierarchy structure, there are four levels, so in <a href="http://www.plosone.org/article/info:doi/10.1371/journal.pone.0102870#pone.0102870.e023" target="_blank">Equation 5</a> is 4. Thus, . Here, the goal is only one, so .</p