利用HPLC和RIA检测血浆同半胱胺酸、维生素B6 、 维生素B12 、 与叶酸的浓度.Plasma homocysteine, vitamin 12 vitamin B 6, and folic acid concentration were analyzed by HPLC and RIA.本文报道了我们采用表面增强拉曼散射光谱方法研究在金电极表面吸附的半胱胺单分子膜的结构特征.The structural characterist...
外野手试图迅速接过球传给投球手.The fielders try to retrieve the ball quickly and return it to the bowler.他是我见到的最好的投球手.He is the best pitcher I've ever seen.汤姆森将担任我们第3位快速投球手.Thomson will play as our third fast bowler....