Jewelry making industry enjoys the advantages of less energy consumption, non-pollution and dense labor force.

珠宝首饰加工业具有能耗少、无污染、劳动力密集的特点。

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The theory is then applied for studying the color electric dynamics of cold and dense quark matter at large chemical potential, and color conductivity with non-perturbation effect is obtained.

作为应用，研究了有限化学势下冷密夸克物质系统的色动力学并计算出了色导率。

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This chromatic dispersion suppresses the growth of four-wave mixing, a non-linear effect that can be particularly deleterious in dense wavelength division multiplexing (DWDM) systems.

该色散抑制了在密集波分复用（DWDM） 系统中特别有害的四波混频，非线性效应的增长。

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But going back to diffuse non-dense agrarian sources for energy is to regress , not progress.

FORBES: Investing in Biofuels or Biofools?

It depends on a recent body of work which suggests that the brain's white matter (the wiring that connects the main bodies of the nerve cells, or grey matter, together) is less dense and less abundant in the brain of an autistic person than in that of a non-autist.

ECONOMIST: Autism