Analysis and Preventive Measures for White Defects in the Lost Pattern Casting;
消失模铸造中的白色缺陷分析和预防措施
A testing system for color vision deficiencies based on chromatic visual evoked potential (VEP) was described in this paper.
本研究介绍了一种基于颜色视觉诱发电位(VEP)的色觉缺陷检测系统。
Through the PEST analysis on the marketplace development of health products,this paper focuses on the role limitations of the three partie——government,companies and customers in the developing health product market,such as the government s managing system falling behind,companies seeking for the short-term profits and customer s incorrect consumptive conception.
通过对保健品市场PEST分析,从政府、企业和消费者这三个利益相关者在保健品市场发展中的角色缺陷,即政府管理体制落后、企业追求短期利益、消费者错误消费观念等不利于保健品市场健康发展的现象入手,提出了弥补上述缺陷的建议,以期对中国保健品市场的发展有所裨益。