youdao

Low oxygen and low pH levels may have helped preserve the soft tissue, the team reports in a paper published this week in the Journal of Crustacean Biology.

低氧低酸碱度的环境可能对软组织的留存有所帮助，研究组在这周的《甲壳生物》里这样报道。

youdao

The effects of iron level in diatomite and pH value of beer on antioxidative activity of beer is studied in this paper by DPPH-spectroscopy.

本文采用DPPH 分光光度法，研究了硅藻土的铁离子含量和啤酒pH 值在过滤阶段对啤酒抗氧化力的影响。

youdao

Editorial writer Rapheal Reece-Harrel(ph) has used his column in the free paper Metro to exhort Mexicans to participate in response to widespread marches in the United States.

NPR: Immigration Activists Target U.S. Businesses in Mexico

Mr. ROLAND MARTIN (Executive Editor, Chicago Defender): Well, I mean, first of all, John Shinstack(ph), when he died, left the paper to the trust and--for them to do as they so wished.

NPR: Roundtable: Voting Rights Act, NABJ Conference