A method of identification for low content chrysotile, crocidolite and amosite in brake rubber of bicycle by the united way of polarized light microscope and X-ray diffraction had been established.
本文提出了采用偏光显微镜和X射线衍射仪联合方法鉴定自行车闸皮中低含量的温石棉、铁石棉及青石棉等三种石棉的方法。
The method invented by the Americans in the United States and Europe have applied for many years to get ENT doctors and rhinitis favorite.
该方法由美国人发明，在欧美国家已应用好多年，得到耳鼻喉科医生和鼻炎患者的喜爱。
But it has no united IDS test method and evaluation standard by far.
但是到目前为止没有统一的IDS测试方法和评估标准。
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