Creighton Baird was just one of dozens who trekked to an undisclosed location in Utah to film the stunt for a YouTube video by Devin Graham. 这个视频由德温-格雷厄姆拍摄,他们一群人艰苦跋涉,来到犹他州的一处秘密位置拍摄了一段特技视频。
Creighton researchers recommend vitamin D3, because it is more active and thus more effective in humans. Creighton的研究人员推荐使用维生素D3,因为它更活跃,因而在人体中更有效。
Lappe said further studies are needed to determine whether the Creighton research results apply to other populations, including men, women of all ages, and different ethnic groups. Lappe说,需要进一步研究,用以确定该研究结果能否应用于其他人群,如男性、不同年龄的女性和不同种族。
The most common used silver colloid are produced either by reduction of silver nitrate with sodium citrate, which is called Lee-Meisel method, or by reduction of silver nitrate with sodium borohydride, which is base on Creighton process. 最常用的一种银胶体的制备方法是通过柠檬酸钠还原硝酸银,也就是所谓的Lee-Meisel方法。另一种方法是根据Creighton的程序用硼氢化纳还原硝酸银。