The chemical composition of tobacco flavor and perfume is complicated,and there is no suitable chemical quality control method by now.
烟用香精香料化学成分复杂,现无合适的化学质量控制方法,通过实例,对10个批次正常生产的香料标样进行同时蒸馏萃取,取其萃取液进行气相色谱氢焰检测。
Research on Market Tactics of Group Company of Gucheng Incense Hebei;
河北古城香业集团公司卫生香营销策略研究
Sanitary fumigant, poisonless and smokeless, can clean and refresh air effectively.
卫生熏香，无毒、无烟，清新空气有特效。
a spokeswoman for the Hong Kong Food and Environmental Hygiene Department said.
"香港食品与环境卫生署发言人说道。
Characteristics and Enlightenment from Hong Kong's Medical and Health Administration System
香港医疗卫生管理体制特点及其启示
Education and Public Health Committee [Hong Kong Council on Smoking and Health]
教育及公众卫生委员会〔香港吸烟与健康委员会〕
Laboratory efficacy criterions of public health insecticides for pesticide registration-Coil.
农药登记卫生用杀虫剂的室内药效评价蚊香.
What this contagion has shown is that Hong Kong is ill-prepared to handle a sudden and serious public health incident.
是次疫情显示香港无法应付突然发生和严重的公共卫生灾难。
The Food and Environmental Hygiene Department (FEHD) was set up on January 1, 2000 to serve the people of Hong Kong in the area of food safety and environmental hygiene.
食物环境卫生署在二零零零年一月一日成立，为香港市民提供有关食物安全和环境卫生的服务。
Wholesome ingredients that work without the use of harsh chemicals, artificial color or fragrance.
成份绝对有益卫生、会使用粗糙化学药品、造色素、香料炼制。
Laboratory efficacy criterions of public health insecticides for pesticide registration COIL
GB/T17322.4-1998农药登记卫生用杀虫剂的室内药效评价蚊香
Laboratory efficacy criterions of public health insecticides for pesticide registration ELECTRIC LIQUID PEPELLENT
GB/T17322.6-1998农药登记卫生用杀虫剂的室内药效评价电热液体蚊香
Laboratory efficacy criterions of public health insecticides for pesticide registration ELECTRIC SOLID-LIQUID PEPELLENT
GB/T17322.7-1998农药登记卫生用杀虫剂的室内药效评价电热固液蚊香
Laboratory efficacy criterions of public health insecticides for pesticide registration ELECTRIC MAT
GB/T17322.5-1998农药登记卫生用杀虫剂的室内药效评价电热蚊香片
"Outside are insignia, shown in state; But here are sweet incense-clouds, quietly ours."
兵卫森画戟, 宴寝凝清香。
Satellite(s) for Health and Rural Education
卫生与农村教育卫星(卫农卫星)
Port Health Office [Department of Health]
港口卫生处〔卫生署〕
Food Hygiene Campaign [Department of Health]
食物卫生运动〔卫生署〕
Public Health Administration Section [Department of Health]
公共卫生行政组〔卫生署〕