本研究针对反刍动物肠道甲烷(CH4)排放这一全球性环境问题，创新性地利用澳大利亚西部矿床的天然高岭土矿物（含铁/贫铁 ...

[2] Oida T，Mimatsu K，Kano H，et al. Modified Cattell's reconstruc- tion with pancreaticogastrostomy following pylorus-preserving pan-creaticoduodenectomy for a patient with gastroptosis[J].

MEXICO CITY, May 26 (Xinhua) -- Mexican President Claudia Sheinbaum on Monday said she hoped the United States would reopen its border to Mexican cattle "as soon as possible," after an outbreak of ...

MEXICO CITY, May 28 (Xinhua) -- Mexican President Claudia Sheinbaum on Wednesday expressed confidence the United States will reopen its border to Mexican cattle exports "very soon," following ...