<正> An object is called chiral if it cannot be brought into congruence with its mirror image by translation and rotation. Many biological molecules possess chi
<正> By using the sodium line reversal method to measure the flame temperature of the methane-air mixture with different ratios, it has been found that a region
<正> Our previous paper reported that from Rhodopseudomonas capsulata chromatophores we had carried out the isolation of a ferredoxin, which showed optical abso