近年来,人发已被作为一种理想的活体组织检查材料和环境生物指示性样品。由于它取材容易,保存方便,微量元素含量较血液为高,所以具有独特的优点,已广泛应用于法学、医学、营养学和环境科学等方面。在过去的二十年间已经召开了许多有关会议,比较大型的会议是1973年和1978年在美国召开的国际第一次和第二次人发学术讨论会。这些会议部分或 In recent years, human hair has been used as an ideal biopsy material and environmental biological samples. Because of its easy to pick up, easy to store, trace elements than the blood is high, so it has unique advantages, has been widely used in law, medicine, nutrition and environmental science and so on. Many relevant conferences have been held in the past two decades, with the larger conferences being the first and second international seminars in the United States in 1973 and 1978. Part of these meetings or