TWO-STEP SPEED CHANGING APPARATUS AND TWO-STEP SPEED CHANGI-NG BACK STOP APPARATUS OF WHEELCHAIR

• 1. 填充用于气囊系统的气体容器的两步方法及用于两步填充方法的气体填充装置 [P] . 中国专利： CN100552278C . 2009.10.21
• 2. 填充用于气囊系统的气体容器的两步方法及用于两步填充方法的气体填充装置 [P] . 中国专利： CN101180495A . 2008-05-14
• 3. TWO-STEP GEARBOX AND TWO-STEP SPEED VARIABLE BACK STOP APPARATUS OF WHEELCHAIR [P] . 日本专利： JPH0160258B2 . 1989-12-21

  机译： 轮椅的两步变速箱和两步变速后退停止装置

• 4. TWO-STEP GEARBOX AND TWO-STEP SPEED VARIABLE BACK STOP APPARATUS OF WHEELCHAIR [P] . 日本专利： JPS6077756A . 1985-05-02

  机译： 轮椅的两步变速箱和两步变速后退停止装置

• 5. HIGH-SPEED TWO-STEP INCUBATION METHOD AND APPARATUS FOR IN-VITRO DIAGNOSTIC TESTING [P] . 美国专利： US2015140570A1 . 2015-05-21

  机译： 体外诊断测试的高速两步孵育方法和装置

• 1. Design of the Automation Apparatus for the Ac/Ra Separation Process with Ion Exchange Method [J] . Cao Shiwei 中国科学院近代物理研究所和兰州重离子研究装置年报：英文版 . 2019,第001期
• 2. QUANTITATIVE ANALYSIS ON CHANGES OF HEPATIC HEMODYNAMICS AFTER TRANSCUTANEOUS ELECTRIC PULSE STIMULATION OF LOCAL POINTS BY USING COLOR DOPPLER ULTRASOUND DIAGNOSTIC APPARATUS [J] . ZHANG Jun-chang, WANG Ling, LI Hong, 世界针灸杂志（英文版） . 2006,第003期
• 3. Using Anonymous Connected Vehicle Data to Evaluate Impact of Speed Feedback Displays, Speed Limit Signs and Roadway Features on Interstate Work Zones Speeds [J] . Jijo K. Mathew, Jairaj Desai, Howell Li, 交通科技期刊（英文） . 2021,第004期
• 4. Design of a Two-Step Low-Power and High-Speed CMOS Flash ADC Architecture [C] . Sumit Kumar, Nagesh Ch International Symposium on VLSI Design and Test . 2020
• 5. A high-speed two-step analog-to-digital converter with an open-loop residue amplifier. [D] . Dinc, Huseyin. 2011
• 6. A Dynamic Range Enhanced Readout Technique with a Two-Step TDC for High Speed Linear CMOS Image Sensors [O] . Zhiyuan Gao, Congjie Yang, Jiangtao Xu, 2015
• 7. Low Wind Speed Turbine Project Phase II: The Application of Medium-Voltage Electrical Apparatus to the Class of Variable Speed Multi-Megawatt Low Wind Speed Turbines; 15 June 2004--30 April 2005 [O] . Erdman, W., Behnke, M. 2005

• 1. Formability enhancing of AZ31 magnesium alloy sheets by differential speed rollingFormability enhancing of AZ31 magnesium alloy sheets by differential speed rollingFormability enhancing of AZ31 magnesium alloy sheets by differential speed rollingFormability enhancing of AZ31 magnesium alloy sheets by differential speed rolling [J] . XIA Wei-jun ,CHEN Ji-hua ,CHEN Ding . 材料科学与工程：中英文版 . 2008,第007期
• 2. Effects of land use and cover change on surface wind speed in China [J] . LI Yupeng ,CHEN Yaning ,LI Zhi . 干旱区科学：英文版 . 2019,第3期
• 3. 20万吨/年磷石膏两步法工艺装置的生产实践 [C] . . 中国磷肥工业协会六届三次理事会暨第二十一届全国磷复肥行业年会 . 2014
• 4. 两步法低温甲醇洗装置的研究 [A] . 吴毅松 . 1999