fold point

It plays a very important role in improving quality of pressing part that correct calculation of bend molding fold point on the vertical and horizontal girder in automobile support.

汽车车架纵 (横 )梁弯曲成形模具折点的正确计算确定 ,对压制零件质量的提高起着重要的作用 。

The steel pipe industry in China is at present situated in a new turning point, as well as in a balanced point of development.

中国钢管业目前已处在一个新的发展转折点和平衡点。

In this paper the rolling rules of symmetrical rigid body on a convex curved surface arbitrarily are studied,general calculating formulae are given for turning point(transition from pure rolling to slip rolling) and slip falling point(when rigid body leaves from curved surface)as well as correspondent mass centre velocity.

给出刚体从纯滚动到滑滚动的转折点和刚体离开曲面时滑落点以及对应的质心速度的一般计算公式,并举几例作了计算和讨论。

The theory and experiment of optical feed back self-mixing interference signal turning points are researched.

对光反馈自混合干涉信号波形转折点的智能识别进行了理论分析和实验研究。

In this thesis paper, applied researches are carried out and a new sterilization process is advanced which is pre-oxidation by potassium permanganate that can replace traditional break point chlorination.

本文在此基础上,通过生产性试验,系统地研究了高锰酸钾预氧化技术在水处理应用方面的问题,并全面检验了新工艺运行的可靠性、稳定性,确认其取代折点加氯的可行性,并完善各项技术参数,以便于该工艺的推广应用。