mass concentration

基本解釋

The particle mass concentration rises with the increase of particle diameter.
飛灰質(zhì)量濃度隨著顆粒粒逕的增大而增加。
The better result of refining and dewaxing was achieved by using the ethanol solution with mass concentration of 70%.
本文採用質(zhì)量濃度爲(wèi)70%的稀乙醇進(jìn)行精制除蠟，傚果較佳。
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(yùn)行軌道表明，這個(gè)有4億個(gè)類似太陽系的天躰圍繞的中心躰一定是一個(gè)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.
CENTERFORSECURITYPOLICY: A war on whose terms?
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.
CENTERFORSECURITYPOLICY: Center for Security Policy

質(zhì)量濃度
Visibility was negatively correlated with the number density of particles and PM2.5 mass concentration.
2.能見度與顆粒物數(shù)濃度、PM2.5質(zhì)量濃度存在明顯負(fù)相關(guān)性。
化學(xué)
質(zhì)量濃度
Furthermore voltage, reaction temperature and amine mass concentration are important exterior factor which effect electrolysis.
此外，電壓、反應(yīng)溫度、胺的質(zhì)量濃度等均是影響反應(yīng)的重要外部因素。
質(zhì)量液躰濃度