| 1. | Discussion of precooling operation of propylene jar at low temperature 对低温丙烯贮罐预冷操作的探讨 |
| 2. | Preliminary study on air - forced precooling of eggplant , tomato and sweet pepper 青椒差压预冷方法的研究 |
| 3. | The current method for precooling is " draining cooling " 目前,我国在氢氧发动机上一直采用排放预冷的方式。 |
| 4. | Study and realization on precooling unit added to truck - mounted air separation plant 车载制氧机加装预冷装置的研究与实现 |
| 5. | Application and design of forced - air precooling equipment and techology for fruits and vegetables 果蔬差压预冷设备及预冷技术研究 |
| 6. | At last , all the mathematic models described above are simulated on pc . end - end key words : lng carrier ; pressure control system ; precooling system ; cargo system ; finite element ; simulation 最后,文章对压力控制系统、预冷系统和货物管网的货物装卸操作过程进行了计算机仿真计算。 |
| 7. | Meanwhile , theoretical analyzing methods concerning with precooling are discussed . the paper also introduces a new analyzing method based on the comparison with the natural circulation boiler 同时,也对自然循环预冷法的理论研究方法进行了讨论,并提出了参照自然循环锅炉理论的对比分析方法。 |
| 8. | In order to convey the cryogenic fluids safely and efficiently in a feeding and transferring system of rocket engine , the precooling of the cryogenic pump system is of necessity and much importance 对于低温推进剂火箭来说,在发射前对其发动机及增压输送系统进行预冷是一项必不可少的重要工作。 |
| 9. | This method not only wastes cryogenic fuel , but also causes safety problem . it is necessary to develop new type of precooling method , so the natural circulation cooling system is introduced 因此,为节约推进剂,提高发射的可靠性,简化地面系统以及发射前的操作程序等,需要立即开展新型的自然循环预冷法的研究。 |
| 10. | Built of fresh six , three processing workshops , the staff of more than 200 people , is set to become the acquisition of raw materials , product processing , precooling goods , and export trade as one of the well - known enterprises 建有保鲜库6座、加工车间3座、员工200余人,现以成为集原料收购、产品加工、货物预冷、以及出口贸易为一体的知名企业。 |