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The Impact of the Financial Tsunami on Hong Kong Port
Ying Kou,Liming LIU,Xin TIAN 한국해운물류학회 2011 The Asian journal of shipping and Logistics Vol.27 No.2
We apply intervention analysis to examine the impact of the financial tsunami on container throughputs for Hong Kong port quantitatively. Evidences from ARIMA-intervention model show that the real impact of the financial tsunami on Hong Kong port happened earlier than the observable fall in the throughput data, namely significant impact started around May 2008, while the forecasting model with considering financial tsunami from Sept. 2008 to Oct. 2009 is superior. VAR-intervention analysis is employed to compare the Hong Kong and Shenzhen ports. Our findings suggest that Shenzhen port is more sensitive to the financial tsunami than Hong Kong port, showing an earlier and deeper impact. Their relationship also changed after the financial tsunami, namely Hong Kong and Shenzhen ports become less dependent on each other. These findings remind us that, when considering the impact of the financial tsunami on port, one should not casually choose a starting time point based on the visual observation from the data because there is a time delay between the real impact on container throughput and its manifestation in the throughput data series.
Ying-Wang,Yi-guo Chen,Wan-shuang Zhao,Di Li,Ya-han Xu,Meng-di Li,Jin Chen,Zhi-jun Kou,Qi-ge Wang,Nsoa dimitri Joseph 사단법인약침학회 2018 Journal of Acupuncture & Meridian Studies Vol.11 No.3
This study aims to investigate the possible mechanisms of electroacupuncture (EA) at PC6to improve myocardial ischemia (MI) by regulating the cardiac transient outward potassiumcurrent channel (Ito). According to the random number table, the mice were dividedinto six groups of six mice each: control group, MI group, PC6, LU7 (Lieque-point), ST36(Zusanli-point), and nonacupoint group. Mice in the control group were injected with saline(20 mg/kg, 24 hours interval), and the other ASIC3 / mice were injected subcutaneouslytwice with isoproterenol (ISO) (20 mg/kg, 24 hours interval). In thepreexperiment, 5 mg/kg, 10 mg/kg, 20 mg/kg, and 30 mg/kg of ISO were used, andthe results showed that 5 mg/kg and 10 mg/kg of ISO both could induce acute MI, butshorter duration of sustained MI. On the other hand, an injection of 30 mg/kg can makethe mice experience arrhythmia or die immediately, and EA was operated at PC6, LU7,ST36 acupoints, and nonacupoint in the mice of PC6, LU7, ST36, and nonacupoint groups,respectively, after injecting twice. Then Western blotting techniques (Western Blot) wereused to analyze the protein expressions of Kv1.4, Kv4.2, Kv4.3, and KchIP2. The results ofthis experiment showed that the protein expressions of Kv1.4, Kv4.2, Kv4.3, and KChIP2 inMI group were significantly lower than those in the control group (p < 0.01). Comparedwith MI group, the results of PC6, LU7, and ST36 groups obviously increased (p < 0.05). Furthermore, the expressions of PC6 group were higher than LU7 group and ST36 group(p < 0.05). And electrocardiogram’s T-waves showed obvious pathological changes inthe MI group compared to the control group (p < 0.01). After EA, the abnormal T-waves voltage of ECG in PC6, LU7, and ST36 groups was improved (p < 0.05). In addition, therate change of PC6 group was larger than that of both LU7 and ST36 groups (p < 0.05). But the T-waves voltage of the nonacupoint group was not significantly different than thatof the MI group (p > 0.05).
Kou, Xiaohong,Jiang, Bianling,Zhang, Ying,Wang, Jun,Xue, Zhaohui Korean Society of Horticultural Science 2016 원예과학기술지 Vol.34 No.6
Sugars play many important roles in plant metabolism and directly influence fruit quality. The effects of two edible coatings, 2% calcium chloride and 1% pullulan, on sugar metabolism in postharvest Huangguan pear fruit were investigated during cold storage. The respiration rate, sugar content and composition, sucrose metabolism enzyme activities [acid invertase (AIV), neutral invertase (NI), sucrose synthase (SS), and sucrose phosphate synthase (SPS)] and expression of the AIV gene were analyzed during storage at $0^{\circ}C$ for 210 days. Coating treatments slowed the decrease of sucrose and hexose, the respiration rate, and the activities of AIV, NI, SS and SPS, thus maintaining high total soluble solids (TSS) and titratable acid (TA) contents in the fruit. There were no significant differences in AIV expression or activity between the treated and control groups of fruits. Both of the coatings could inhibit the activities of sucrose-cleaving enzymes, thus slowing the decrease of sugar content and maintaining high fruit quality during cold storage.
Ping Kou,Yu-Fei Kang,Li-Tao Wang,Li-Jun Niu,Ying Xiao,Na Guo,Qi Cui,Yanyan Liu,Yu-Jie Fu 한국공업화학회 2019 Journal of Industrial and Engineering Chemistry Vol.80 No.-
This study explored an integrated strategy for extraction and preparative separation of four anthocyaninsfrom Ribes nigrum L. using DES-based microwave assisted extraction andflash chromatography. Theextraction yield of anthocyanins reached 2.03 mg/g after optimization. An efficient preparativeseparation process of four main anthocyanins by macroporous resin andflash chromatography wasestablished afterwards. The yields of D3G, D3R, C3G and C3R reached 0.32 mg/g, 0.47 mg/g, 0.18 mg/g and0.43 mg/g with the purities of more than 95%, respectively. The developed procedure represents anefficient and convenient alternative for the systematic utilization of natural products from plantmaterials.
Xiaohong Kou,Bianling Jiang,Ying Zhang,Jun Wang,Zhaohui Xue 한국원예학회 2016 원예과학기술지 Vol.34 No.6
Sugars play many important roles in plant metabolism and directly influence fruit quality. The effects of two edible coatings, 2% calcium chloride and 1% pullulan, on sugar metabolism in postharvest Huangguan pear fruit were investigated during cold storage. The respiration rate, sugar content and composition, sucrose metabolism enzyme activities [acid invertase (AIV), neutral invertase (NI), sucrose synthase (SS), and sucrose phosphate synthase (SPS)] and expression of the AIV gene were analyzed during storage at 0℃ for 210 days. Coating treatments slowed the decrease of sucrose and hexose, the respiration rate, and the activities of AIV, NI, SS and SPS, thus maintaining high total soluble solids (TSS) and titratable acid (TA) contents in the fruit. There were no significant differences in AIV expression or activity between the treated and control groups of fruits. Both of the coatings could inhibit the activities of sucrose-cleaving enzymes, thus slowing the decrease of sugar content and maintaining high fruit quality during cold storage.