mass concentration

常見例句

The particle mass concentration rises with the increase of particle diameter.
飛灰質(zhì)量濃度隨著顆粒粒徑的增大而增加。
The better result of refining and dewaxing was achieved by using the ethanol solution with mass concentration of 70%.
本文采用質(zhì)量濃度為70%的稀乙醇進行精制除蠟，效果較佳。
The stellar orbits in the galactic centre show that the central mass concentration of four million solar masses must be a black hole, beyond any reasonable doubt.
銀河系中心恒星的運行軌道表明，這個有4億個類似太陽系的天體圍繞的中心體一定是一個黑洞，這是毫無疑問的。

No one has ever forcibly moved that many people without concentration camps and mass death through plague.
FORBES: The Republican Party Needs A Reset On Immigration
In an article last month in Forbes, Reza Kahlili, a former CIA spy in the IRGC who maintains connections inside the regime, claimed that the IRGC has set up concentration camps throughout the country in anticipation of mass arrests in any future opposition campaign against the regime.
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Most had escaped from hidden concentration camps where they suffered and witnessed routine torture, mass-execution, baby-killing, rape, human biological experiments (including the effects of anthrax) and, of course, starvation.
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