| 1. | Primary investigation on coenzyme q10 producing bacteria cpu 10研究新进展 |
| 2. | A primary investigation of the public ' s view on social adaptation 公众的社会适应观初步调查研究 |
| 3. | Primary investigation on the extraction of hemin using an ultrasonic method 超声波法提取氯化血红素的初步研究 |
| 4. | A primary investigation on pre - historical rice cultivation in hai - dai region 海岱地区史前稻作农业初步研究 |
| 5. | Primary investigation on the present status and development of gas analyzers 对气体分析仪现状与发展的初步探讨 |
| 6. | A primary investigation of the factors related to middle school students ' achievement goals 中学生成就目标的相关因素研究 |
| 7. | Primary investigation on contamination pattern of vegetables by heavy metals in chinese cities 中国主要城市蔬菜重金属污染格局的初步分析 |
| 8. | Primary investigation on inheritance system of west han dynasty found in han bamboo slips of zhangjiashan 张家山汉简所见西汉继承制度初论 |
| 9. | Primary investigation on the relationship between the crop water stress index and the soil moisture 作物水分胁迫指数与土壤含水量关系探讨 |
| 10. | A primary investigation on the application of natural science method to the field of social science 自然科学方法在社会科学领域中应用问题的争论探源 |