المصدر: Construction Machinery & Equipment; Apr2024, Vol. 55 Issue 4, p30-35, 6p

مصطلحات موضوعية: CASCADE impactors (Meteorological instruments), ELASTICITY (Economics), TORSIONAL load, MECHANICAL models, DYNAMIC simulation, TORQUE

العنوان البديل: Research on Filtration Behavior of Aerosol in Microfluidic Inertial Impactor. (English)

المؤلفون: 冯开源, 郭张鹏, 汪浩男, 毛子岳, 牛风雷

المصدر: Atomic Energy Science & Technology; Nov2023, Vol. 57 Issue 11, p2101-2109, 9p

مصطلحات موضوعية: AEROSOLS, CASCADE impactors (Meteorological instruments)

العنوان البديل: Shock frequency optimization of automatic vertical drilling and multi-dimensional vibration reduction combined speed-up system based on shock and vibration fatigue analysis. (English)

المؤلفون: 崔富凯, 曹宇光, 倪红坚, 张恒

المصدر: China Sciencepaper; Apr2023, Vol. 18 Issue 4, p443-468, 7p

مصطلحات موضوعية: FATIGUE cracks, IMPACT loads, FATIGUE life, REACTION forces, CASCADE impactors (Meteorological instruments)

العنوان البديل: Numerical simulation on the working performance of slim-hole jet-suction hydraulic impactor. (English)

المؤلفون: 李玮, 盖京明, 程长坤, 曲景伟, 徐加峰

المصدر: Oil Drilling & Production Technology / Shiyou Zuancai Gongyi; Nov2020, Vol. 42 Issue 6, p691-696, 6p

مصطلحات موضوعية: PRESSURE drop (Fluid dynamics), FINITE element method, HAMMERS, JOB performance, CASCADE impactors (Meteorological instruments), BITS (Drilling & boring), DRILLING & boring machinery, ATOMIZERS

المؤلفون: SUO Zhongwei, WANG Jiachang, ZHANG Haiping, LI Guangguo, ZHANG Renlong, JING Huiyang

المصدر: Oil Drilling & Production Technology / Shiyou Zuancai Gongyi; 2013, Vol. 35 Issue 4, p44-46, 3p

مصطلحات موضوعية: ROTARY percussion drills, OIL well drilling, CASCADE impactors (Meteorological instruments), PRODUCTION methods in oil fields, DRILLING platforms

العنوان البديل: Experimental Investigation on Low‑Velocity Impact Behavior of Perforated Foam Core Sandwich Composites.

المؤلفون: 季秋足¹, 崔为运¹, 蔡登安¹, 周光明¹ zhougm@nuaa.edu.cn

المصدر: Journal of Nanjing University of Aeronautics & Astronautics / Nanjing Hangkong Hangtian Daxue Xuebao. Feb2023, Vol. 55 Issue 1, p35-43. 9p.

مصطلحات موضوعية: *SANDWICH construction (Materials), *IMPACT testing, *MANUFACTURING processes, *CASCADE impactors (Meteorological instruments), *GLUE, *FOAM