The Union Public Service Commission (UPSC) will close the registration for the National Defence Academy (NDA) and Naval Academy (NA) Examination (1), 2025, today, December 31. Eligible candidates ...

At close: January 22 at 4:00:00 PM EST ...

1． 水封 ：在中学化学实验中，液溴需要水封，少量白磷放入盛有冷水的广口瓶中保存，通过水的覆盖，既可隔绝空气防止白磷蒸气逸出，又可使其保持在燃点之下；液溴极易挥发有剧毒，它在水中溶解度较小，比水重，所以亦可进行水封减少其挥发。

Analysis: there are many Irish folk rituals associated with January 6th, the last day of Christmas and the day known as Nollaig na mBan The twelfth and final day of Christmas, January 6 ...

Road works have forced the temporary relocation of a bus stop for the town service in Clonmel. Cllr Richie Molloy said the ...

Department of Chemistry, National Sun Yat-Sen University, Kaohsiung, 804, Taiwan International PhD Program in Science, National Sun Yat-Sen University, Kaohsiung, 804, Taiwan Department of Chemistry, ...