运用时空栽培原理将稻作群体质量从定性引入定量研究，构成了水稻旱育精作的精播、精插、精管三精技术。
Rainfed nursery and intensive cultivation is composed of intenstive sowing, intensive transplanting and intensive management, which is based on the theory of time and space.
关于IVD的新闻首先出自于可逆抑精剂(RISUG)的发表，RISUG是在印度开发出来的一种输精管男性避孕药，将在男性身上继续做临床试验。
The news about the IVD comes on the heels of the announcement that RISUG, a vas deferens-based male contraceptive developed in India, will resume trials in men.
结论：LBP可减弱由于培养温度过高所致的曲精小管结构损伤。
Conclusion: LBP could decrease the structural damage of seminiferous tubule caused by higher temperature culture.
本文介绍了电渣精铸裂解炉弯管的设备、工艺，并同传统的中频炉一砂型铸造工艺进行了比较。
This paper summarises the equipment and process of producing return bends used for the ethylene cracking furnace by ESR-precision casting.
结果表明，电渣精铸可以明显改善耐热钢弯管的质量，并降低了成本。
The tests show that the new process can clearly improve the quality of the heat resistant bends and decrease the cost.
纸管长度控制随意调整。本机最大的特点是：卷管后自动精切。
The length of the paper tube can be adjusted freely. The most remakable feature of this machine is automatic finish cutting after reel pipe.
讨论了几种通用的粗成型及精成型轧辊的设计。分析了用于生产不同特种形式焊管的优缺点及可能产生的问题。
This paper discusses a few design methods for current rolls with coarse type and fine type and analyzes the characteristic and problem of rolls in producing various special welded pipes.
本文采用参数泵分步结晶新工艺和开发的直立弹状气泡管结晶器提纯制取精萘，则克服了通常方法的缺点。
In this paper a technology of parametric pumping fractional crystallization and a crystallizer with a slug flow vertical bubble tube are presented.
本文采用参数泵分步结晶新工艺和开发的直立弹状气泡管结晶器提纯制取精萘，则克服了通常方法的缺点。
In this paper a technology of parametric pumping fractional crystallization and a crystallizer with a slug flow vertical bubble tube are presented.
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