These granules consist of the actual pigments: eumelanin and phaeomelanin.正是这些小颗粒组成了二种色素: 真黑素和棕黑素.Tricolour can be found with all eumelanin colours.三色中具有所有带黑色素的颜色....
有时需要用一种编号系统来标明各配体的位置.It is occasionally necessary to use a number system to designate the position of each ligand.因此,作为配体的分子或离子有具有作给予用的孤电子对.Molecules orions which act a ligands should therefore have lone pairs of electro...
This necklace of mine is not very expensive, it is 18 - karat gold.我这个项链不太贵, 是18开金的.12-karat gold十二开金These are rings of 18 and 24 karat gold.这些是18K和24K金的.Gold jewelry of 10 K or more will have a karat stamp.含金量为10K或者高于10...
陪审团在裁决后加了一条建议宽恕的附文.The jury added a rider to their verdict recommending mercy.这充分上锁的附文来充分配备了隔板和绝缘几乎消除噪音的作业.This fully lockable enclosure comes fully equipped with baffles and insulation to almost eliminate operating nois...
The presence of angina indicates significant coronary ischemia.心绞痛本身说明有明显的冠状动脉供血不足.Can PCI alter long - term prognosis of chronic stable angina?PCI能改变稳定性心绞痛的远期预后 吗 ?Other signs of angina are nausea, sweating, feeling fai...