Methods � � - Ty - Folate was synthesized by conjugating folic acid to tyrosine methyl ester through EDC and hydrolyzing.方法 叶酸(Folate) 与酪氨酸甲酯通过EDC连接,水解后生成叶酸酪氨酸复合物(γTyFolate)....
The case against is twofold: too risky and too expensive.反对理由有两点：太冒险而且太昂贵。Doing human rights work is risky business. That comes with the territory.做人权工作是要冒风险的。这是难免的。Investing in airlines is a very risky business.投资航空业风险很...