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Merit of Ginseng in the Improvement of Insulin Resistance
Cheng, Juei-Tang The Korean Society of Ginseng 2010 Journal of Ginseng Research Vol.34 No.3
In the present review, the merit of ginseng in the improvement of insulin resistance has been introduced. Using the results in previous studies, we found that ginseng or ginsenoside Rh2 has the ability to reduce glucose-insulin index in rats with insulin resistance. Insulin resistance was induced by feeding of fructose-rich chow in rats. Insulin resistance was characterized by regular methods. Effectiveness of ginseng powder or extract Rh2 was identified in this animal model. Also, the application of ginseng for handling of diabetic disorders in China has been discussed. According to Chinese traditional medicine, ginseng is merit in the treatment of diabetic disorders named as Shiaw-Ker in Chinese. Therefore, it is no doubt that ginseng is helpful in the control of diabetic disorders either prevention or the treatment. Otherwise, the potential effect of ginseng on nervous functions shall be investigated in the future.
Implementing Action Mask in Proximal Policy Optimization (PPO) Algorithm
Cheng-Yen Tang,Chien-Hung Liu,Woei-Kae Chen,Shingchern D. You 한국통신학회 2020 ICT Express Vol.6 No.3
The proximal policy optimization (PPO) algorithm is a promising algorithm in reinforcement learning. In this paper, we propose to add an action mask in the PPO algorithm. The mask indicates whether an action is valid or invalid for each state. Simulation results show that, when compared with the original version, the proposed algorithm yields much higher return with a moderate number of training steps. Therefore, it is useful and valuable to incorporate such a mask if applicable.
Cheng Xia,Rui-Tang Guo,Zhen-rui Zhang,Chen-yuan Fan,Yu-zhe Liu,Yu-cheng Lin,Chu-fan Li,Wei-Guo Pan 한국공업화학회 2023 Journal of Industrial and Engineering Chemistry Vol.128 No.-
Recently, the photocatalytic CO2 reduction technology is an effective solution to remit the energy crisis. Inorder to improve the photocatalytic performance, Z-scheme W18O49/NiAl-LDH composite catalysts wereprepared by hydrothermal method. Fortunately, the prepared catalysts revealed excellent photocatalyticperformance under the simulated sunlight, and CO and CH4 could be detected in the reduction products. WO/LDH-0.5 catalyst possessed the optimal activity, with CO and CH4 yield of 37.09 and 8.01 lmol g-1h1separately, which were 7.9 and 3.6 times that of NiAl-LDH monomer. In addition, W18O49 endowedW18O49/NiAl-LDH catalysts with photothermal effect, which raised the surface temperature andfacilitated the catalytic reaction. Meanwhile, the Z-scheme heterojunction composed of flower-likeNiAl-LDH and urchin-like W18O49 accelerated the separation of photoexcited carriers and enhanced theredox ability. Through a series of characterizations and investigations, this work is promising to breaknew ground for the design of photocatalysts with photothermal effect.