METHOD OF AND INSTRUMENT FOR MEASURING DEVIATIONS OF TRANSFORMER CORE COLUMN CROSS-SECTION FROM CIRCULAR SHAPE

• 1. 齿轮分度圆弦齿厚及偏差、周节及偏差测量方法和系统 [P] . 中国专利： CN101339016A . 2009-01-07
• 2. 具有纵向伸长的横截面形状的圆过滤元件 [P] . 中国专利： CN109963636B . 2021.07.13
• 3. Device for measuring the deviation of object with nominally circular cross-section from the round shape [P] . 美国专利： US4176461A . 1979-12-04

  机译： 用于测量具有标称圆形横截面的物体与圆形的偏差的装置

• 4. METHOD FOR CALCULATING AMOUNT OF CORE DEVIATION OF CIRCULARITY MEASURING MACHINE AND CIRCULARITY MEASURING MACHINE [P] . 日本专利： JP2017173288A . 2017-09-28

  机译： 圆度计测机和圆度计测机的核偏差量的计算方法

• 5. METHODS AND APPARATUS FOR MAKING TRANSFORMER CORE OF NON-CIRCULAR CROSS-SECTION [P] . CA2048570C . 2000-05-02

  机译： 制作非圆形截面变压器芯的方法和装置

• 1. An overview on observational instruments and measuring methods for dewfall [J] . Qiang Zhang, XiaoCui Hao, XiaoMei Wen, 寒旱区科学：英文版 . 2011,第001期
• 2. An overview on observational instruments and measuring methods for dewfall [J] . Qiang Zhang, XiaoCui Hao, XiaoMei Wen, 寒旱区科学（英文版） . 2011,第001期
• 3. Scattering wave field around a cavity with circular cross-section embedded in saturated soil using boundary element method [J] . ZHANG Hong, GAO Qian, XU Bin 中南大学学报（英文版） . 2013,第011期
• 4. An improved method for quantitatively measuring the sequences of total organic carbon and black carbon in marine sediment cores [J] . 徐小明, 祝青, 周芊至, 海洋湖沼学报（英文） . 2018,第001期
• 5. Research on tooth profile deviations measurement method based on the optical image measuring instrument [C] . WANG Qinghai, ZHAO Fengxia International Conference onanufacturing Science and Engineering . 2013
• 6. An instrument measuring organizational culture in schools through the conversion of standard deviation. [D] . Cochran, John Lyman. 1990
• 7. Use of circular variance to quantify the deviation of a macromolecule from the spherical shape [O] . Mihaly Mezei -1
• 8. Arc Characteristics and Metal Transfer with Flux-Cored Electrode in CO_2 Shielding (Report I) : Effect of Geometrical Shape in Wire Cross-section on Metal Transfer in Stainless Steel Wire(Welding Physics, Processes Instruments) [O] . MATSUDA Fukuhisa, USHIO Masao, TSUJI Tatsuo, 2013

• 1. Scattering wave field around a cavity with circular cross-section embedded in saturated soil using boundary element method [J] . 张鸿 ,高谦 ,徐斌 . 中南大学学报 . 2013,第011期
• 2. 偏差最小的四心圆近似椭圆作图法 [C] . 曾振柄 ,陈良育 ,李志斌 . 第四届全国几何设计与计算学术会议（GDC2009） . 2009
• 3. 非圆齿轮精度评价与偏差测量方法研究 [A] . 高婷 . 2019