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Ice Disaster Prevention Measure Optimization Model
Hui Hou,Yuan-sheng Li,Joe Dong,Ning Lu,Ai-hong Tang 보안공학연구지원센터 2015 International Journal of Security and Its Applicat Vol.9 No.9
Based on some commonly used methods of deicing technology, this paper used the series-parallel network system to express the risk level and proposed a simplified mathematical optimization model to arrange the ice prevention measures properly to make the lowest input while achieve the best ice prevention effect. An example based on WSCC-9 system is calculated using MATLAB. It can be seen that the deicing tool input should be larger if the efficiency of deicing tools is low or the expected failure probability is low. And a higher failure probability indicates more deicing tool input.
Chang Ya-Hui,Hou Wen-Hsuan,Ya-Hui Chang,Li Chung-Yi 한국역학회 2022 Epidemiology and Health Vol.44 No.-
OBJECTIVES: Limited information is available on whether diabetes increases the severity of injuries from motor vehicle crashes (MVCs). This study aimed to investigate the association of type 2 diabetes with injury severity among driver victims of MVCs. METHODS: This cohort study involved 75,737 adult driver victims with type 2 diabetes from Taiwan’s Police-Reported Traffic Accident Registry in 2015-2017, along with 150,911 sex-, age-, and calendar year-matched controls. The severity level of nonfatal injuries was derived from the International Classification of Diseases Programs for Injury Categorization based on the diagnostic codes of National Health Insurance claims within 3 days after an MVC. Information on fatal injuries within 3 days after an MVC was obtained from the Taiwan Death Registry. Logistic regression models were used to estimate the odds ratios (ORs) and the corresponding 95% confidence intervals (CIs) of injury severity in association with type 2 diabetes. RESULTS: After adjusting for potential confounders, driver victims with type 2 diabetes experienced significantly higher risks of mild and severe non-fatal injuries than their counterparts without diabetes, with covariate-adjusted ORs of 1.08 (95% CI, 1.05 to 1.11) and 1.28 (95% CI, 1.20 to 1.37), respectively. By contrast, the adjusted OR for fatal injuries was not significantly elevated, at 1.02 (95% CI, 0.89 to 1.18). Similar results were found when car and scooter driver victims were analyzed separately. CONCLUSIONS: Type 2 diabetes was found to moderately increase the severity of non-fatal injuries from MVCs among car and scooter driver victims.
Hou, Dongyan,Zhang, Weihua,Hui, Ruihua,Tuong, Jian 한국분석과학회 1995 분석과학 Vol.8 No.4
Three wavelength spectrophotometry was used to determine the content of eugenol in Eugenia Caryophyllata Thunb. Using this method could effectively eliminate the deviation of background absorption caused by the change of concentration and the error of quantitative analysis caused by asymmetric peaks, and at the same time the leaning degree of base line was corrected. This method was simple the recovery ratio was 90.05%-116.94% and the coefficient of variation was 3.5%.
( Hui Zhang ),( Qi Liu ),( Jia-le Lin ),( Yu Wang ),( Ruo-xi Zhang ),( Jing-bo Hou ),( Bo Yu ) 한국응용약물학회 2018 Biomolecules & Therapeutics(구 응용약물학회지) Vol.26 No.2
Oxidized low-density lipoprotein (ox-LDL)-induced macrophage foam cell formation and apoptosis play critical roles in the pathogenesis of atherosclerosis. Thioredoxin-1 (Trx) is an antioxidant that potently protects various cells from oxidative stress-induced cell death. However, the protective effect of Trx on ox-LDL-induced macrophage foam cell formation and apoptosis has not been studied. This study aims to investigate the effect of recombinant human Trx (rhTrx) on ox-LDL-stimulated RAW264.7 macrophages and elucidate the possible mechanisms. RhTrx significantly inhibited ox-LDL-induced cholesterol accumulation and apoptosis in RAW264.7 macrophages. RhTrx also suppressed the ox-LDL-induced overproduction of lectin-like oxidized LDL receptor (LOX- 1), Bax and activated caspase-3, but it increased the expression of Bcl-2. In addition, rhTrx markedly inhibited the ox-LDL-induced production of intracellular reactive oxygen species (ROS) and phosphorylation of p38 mitogen-activated protein kinases (MAPK). Furthermore, anisomycin (a p38 MAPK activator) abolished the protective effect of rhTrx on ox-LDL-stimulated RAW264.7 cells, and SB203580 (a p38 MAPK inhibitor) exerted a similar effect as rhTrx. Collectively, these findings indicate that rhTrx suppresses ox-LDL-stimulated foam cell formation and macrophage apoptosis by inhibiting ROS generation, p38 MAPK activation and LOX-1 expression. Therefore, we propose that rhTrx has therapeutic potential in the prevention and treatment of atherosclerosis.
Ultrasonic-assisted dissolution of U3O8 in carbonate medium
Hou Chenxi,He Mingjian,Fang Haofan,Zhang Meng,Gao Yang,Jiao Caishan,He Hui 한국원자력학회 2023 Nuclear Engineering and Technology Vol.55 No.1
Ultrasound-assisted dissolution of U3O8 powder in carbonate solution was explored to determine if and how ultrasound act during the dissolution. The variation of U3O8 solid particles and uranyl complexes under ultrasound treatment and magnetic stirring was observed in carbonate media. The results show that the use of ultrasound can increase the solubility and dissolution rate of U3O8 powder than that under magnetic stirring. The crush of U3O8 particles and the reduction of the activation energy (Ea, kJ/ mol) of U3O8 dissolution reaction were observed, which both play an important role in the ultrasonicassisted dissolution of U3O8 in carbonate-peroxide solution. Meanwhile, there is no observation of the ultrasound effect on the distribution of uranyl species and hydrolysis of uranyl complexes during the ultrasound treatment in carbonate-peroxide solution. Although the generation of $OH radicals under ultrasound (22 ± 2 kHz) was observed, the oxidation of $OH had little effect on the dissolution of U3O8 in the carbonate-peroxide solution system.