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2006年7月1日备受产业界关注的RoHS指令正式开始在欧盟范围内实施。由于欧盟各国司法及行政体系不同,为了调和各国未来执行RoHS要求时之差异,2006年5月欧盟公布了RoHS执行指引文件(RoHS Enforcement guidance document),对检测方法及RoHS符合性流程提供指引,让企业知道该如何执行并佐证其产品的RoHS符 相似文献
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大口径毛细管GC与GC/MS测定50%辛—氰乳油 总被引:2,自引:0,他引:2
本文报道大口径毛细管GC与GC/MS对辛-氰乳油中辛硫磷鉴定和氰戊菊酯进行定量分析的改进方法。用GC-9A气相色谱仪。FID检测器,甲基硅酮柱并采用程序升温,QP-5000GC/MS对辛硫磷鉴定,辛硫磷在本实验条件下稳定。本方法因收率为99.21-100.49%。变异系数为0.62-1.66%,现行检测辛-氰乳油方法(HPLC分析辛硫磷,GC法分析氰戊菊酯)比较二进无显著性差异,但成本低,操作简单 相似文献
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The improvement in medical technology and the development of medical engineering is decreasing the humanistic care that medical field deserves. The using of too many medical equipments leads to the materialization of medical science and the puzzlement of the doctors, patients and administrative staffs. The humanistic puzzlement further causes the descending of medical ethics, the difficulty of getting medical treatment and social inequity. This paper clarifies that humanistic puzzlement is caused by overusing of medical engineering, which strengthens biomedical model, stimulates irrational need for health and aggravates the benefit-oriented behaviors in medical treatment. It is proposed that to tackle the problem we must change the medical model, regulate irrational health needs and return to humanistic medical treatment. 相似文献
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为了推动LED照明技术的发展,达到节能的效果,台湾有关部门积极推动LED的标准化,加速LED在照明领域的应用。本文从台湾LED照明标准的制修订现状、标准化团体组织、认证检测制度、参与国际标准化活动以及与大陆标准化交流情况等方面对台湾LED照明标准化现状进行了探讨。 相似文献