Fiber reactive dyes are from true chemical bounds between dyestuff and fiber.纤维活性染料来源于染料与纤维之间形成的真正化学键.The adsorptive and decolorant capability of attapulgite clay on soluble anion dyes was studied.实验研究了凹凸棒石黏土(下称凹土)对水溶性阴离...
There are currently 70 state medical boards authorized to regulate allopathic and osteopathic physicians.大约有70个州医学委员会被授权规范对抗疗法和正骨疗法的医生.It has been authorized by another legal norm of a higher rank.它已经得到另一条最高层次的法律规范的认可.Ni...