2篇
您的检索式：作者名="Yerong PENG"
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| 1 | Effect of Konjac Food on Blood Glucose Level in Patients with Diabetes显示文摘Seventy-two type II diabetic subjects were given Konjac food for 65 days. The data analyzed by multiple F test indicate that the fasting blood glucose (FBG) and the 2-h postprandial blood glucose (PBG) on the 30th and the 65th days after the food was ingested were significantly reduced (P = 0.001, P < 0.001, respectively), as was the glycosylated hemoglobin level at the end of the trial (P < 0.05). The final FBG and PBG of the subjects with initial FBG-O >200 mg% decreased on the average by 51.8 and 84.6 mg%. respectively; those with FBG-0 150-200 mg% decreased by 24.1 and 68.7 mg%; and those with FBG-O < 150 mg% decreased by 4.8 and 21.4 mg%. No significant changes in blood lipid indexes were observed, except that the triglycer-ide values of subjects with hypertriglyceridemia (>200 mg%) significantly decreased by 118.7 mg%. It was concluded that Konjac food is very useful in the prevention and treatment of hyperglycemia. (C)1990 Academic Press. Inc. | HUANG CHENG-YU,~*ZHANG MAO-YU,~*PENG SHU-SHENG,~*HONG JUN-RONG,~*WANG XU,~*JIANG HUIJUN,~*ZHANG FULIN,~*BAI YUNXIANG,~*LIANG JINZHONG,Yu YERONG,LUO ZHAOTIAN,ZHANG XIANGXUN,AND ZHOU ZANCHENG~*School of Public Health, West China University of Medical Sciences (WCUMS). Chengdu, China Department of Endocrinology, First University Hospital of WCUMS, Chengdu, China and Staff Hospital of 107 Post Office Box, Chengdu, China | 1990 | Biomedical and Environmental Sciences1990，3，2： | 2 |
| 2 | Vector deflection stability control of aero-engine based on linear active disturbance rejection显示文摘Aimed at the problem of instability in engine control caused by vector deflection in experiment of turbofan engines with Axisymmetric Vectoring Exhaust Nozzle(AVEN),a vector deflection stability control method of aero-engine based on Linear Active Disturbance Rejection Control(LADRC)is proposed.Firstly,based on CFD numerical simulation,aerodynamic performance model of AVEN is established,and the aerodynamic load change rule of the nozzle throat area actuator during vector deflection is revealed.Subsequently,the integrated model of AVEN/-turbofan engine is established by Simulink/AMESim co-simulation.Finally,the nozzle throat area control loop based on LADRC is designed.The simulation results show that the integrated model can reflect the influence of vector deflection on the stability of the control system.The accuracy comparison between the fan rotor speed and the test data during vector deflection is larger than 1%,indicating a high degree of confidence.Compared with the conventional PID control,the designed LADRC control loop reduces the speed of the low-pressure rotor during vector deflection by 70%,which effectively improves the control stability of the vector deflection.Meanwhile,the fuel flow ratechange during the vector deflection process is smaller and more economical,which provides an important reference for engineering applications. | Changpeng CAI Yerong PENG Qiangang ZHENG Haibo ZHANG | 2022 | Chinese Journal of Aeronautics2022，35，8： | 0 |
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