| 1. | Preparation and preliminary testing of water - formed deposits 水沉积物的制备和初步试验 |
| 2. | Experimental study on 2qxp - 1 type suction - seed metering device 1型气吸式排种器的初步试验 |
| 3. | Preliminary test of medium - scale numerical weather forecast 中尺度数值天气预报的初步试验 |
| 4. | Preliminary experiment on the nutrition of panulirus stimpsoni phyllosoma 中国龙虾叶状幼体营养初步试验 |
| 5. | The study of miniature robot aircraft for weather modification 一种人工影响天气微型无人驾驶飞机及初步试验 |
| 6. | Primary test results of dry flue gas desulfurization with entrained bed 气流床烟气干法脱硫技术的初步试验研究 |
| 7. | The initial test study on soybean extrndate used as extrnsion - solvent extoraction 浸油的大豆挤压膨化初步试验研究 |
| 8. | Effect of multifunctional plastic film transfering violet ray to red light applied in field 用静电杀灭蚜虫的初步试验研究 |
| 9. | Based on this experiment , the author pu t forward following - up steps 在初步试验的基础上,提出了今后应进一步研究的问题。 |
| 10. | Preliminary tests and study on construction methods of building dams on feldspathic sandstone 砒砂岩筑坝施工方法初步试验研究 |