FEATURE EXTRACTION AND ESTABLISHMENT BASED ON PUMPING UNIT WORKING CONDITIONS AND GLOBAL FAULT IDENTIFICATION by REN Taizhu, FAN Jun, JIANG Xiaxin

Subjects: “…Oil pumping machine…”
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About the need to replace pumping equipment or impellers of main pumps when pumping capacity of oil and petroleum products changes by V. V. Shalay, M. O. Myznikov, M. I. Gildebrandt, E. V. Khodoreva

Subjects: “…oil pumping…”
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Selection of modes and pressure regulation when pumping oil and oil products to save energy by V. V. Shalay, M. O. Myznikov, M. I. Gildebrandt, V. A. Grinevich

Subjects: “…oil pumping…”
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USE OF TECHNOLOGY OF PRECISION CASTING INTO DISPOSABLE CERAMIC MOLD FOR PRODUCTION OF SHAPED CASTINGS AND OF CASTINGS WITH THE HIGHER PERFORMANCE REQUIREMENTS by B. I. Uvarov, P. E. Lushchyk, A. A. Andrits, L. P. Dolgiy, A. V. Zablotskiy

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Performance of high-strength and heat-resistant cast aluminum alloy and its complex shell castings for aircraft engines by QIE Juhong, XIE Feng, FENG Chao, WANG Pinghai, YU Tengfei, YANG Chaoyang, XI Honglei, XIAO Wenlong, MA Chaoli

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