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천핑위안 민족문학사학회 2000 민족문학사연구 Vol.16 No.-
The essay, dealing with heroic novels of Jin-Yong(金庸), is extracted from professor Chen's latest work, the Form and the Structure of the History of Literature(1999.3, Guangsi Education Publishing). The author of the essay, Chen Ping-Yuan received M. A in literature at Zhongshan University and Ph. D at Beijing University and presently he is the professor of the Chinese literature department and the academic adviser of the doctor's course in Beijing University. His academic concern has wide range, such as 20th century's Chinese literature, modem Chinese history of science, Chines novel and Chinese prose, and it came out in his writings, like Narrative Form of Chinese Novel and Chines Novel of 20th Century. Hitherto, Chinese heroic novel was always under-valued in the field of literature but the enormous popularity of one writer, Jin-Yong, was so powerful that his heroic novel became the matter of scientific concern not mention in Chinese academic world but in the international academic world. The essay, with reflection, criticizes his success from the viewpoint of modern Chinese literature so its subject is the interior case of the Chinese literature. For all, some issues, like the problem of vulgarity in literature, the excessive inclination toward pure literature and the inheritance of the literary tradition, which arise from argument on Chinese heroic novel, are crucial points of the history of Korean new literature. Therefore, our reviewing this essay can be a lesson for studying the history of modern Korean literature.
Chen, Han-Ping,Yuan, Yu,Yu, Bo,Ahn, Jaesoo,McIntyre, Paul C.,Asbeck, Peter M.,Rodwell, Mark J. W.,Taur, Yuan IEEE 2012 IEEE transactions on electron devices Vol.59 No.9
<P>This paper presents a detailed analysis of the multifrequency capacitance–voltage and conductance–voltage data of <TEX>$\hbox{Al}_{2}\hbox{O}_{3}/\hbox{n-InGaAs}$ </TEX> MOS capacitors. It is shown that the widely varied frequency dependence of the data from depletion to inversion can be fitted to various regional equivalent circuits derived from the full interface-state model. In certain regions, incorporating bulk-oxide traps in the interface-state model enables better fitting of data. By calibrating the model with experimental data, the interface-state density and the trap time constants are extracted as functions of energy in the bandgap, from which the stretch-out of gate voltage is determined. It is concluded that the commonly observed decrease of the 1-kHz capacitance toward stronger inversion is due to the increasing time constant for traps to capture majority carriers at the inverted surface.</P>
Chen, Ping,Chen, Yang,Wang, Yarong,Cai, Shining,Deng, Liang,Liu, Jia,Zhang, Hao The Korean Society of Applied Pharmacology 2016 Biomolecules & Therapeutics(구 응용약물학회지) Vol.24 No.2
Iridoid glycosides (mainly geniposide) and crocetin derivatives (crocins) are the two major active constituents in Gardenia jasminoides Ellis. In the present study, geniposide, crocins, crocin-1 and crocetin were separated from gardenia chromatographically. Then, mice were orally administrated with geniposide (400 mg/kg b.w.), crocins (400 mg/kg b.w.), crocin-1 (400 mg/kg b.w.) and crocetin (140 mg/kg b.w.) once daily for 7 days with $CCl_4$. Hepatoprotective properties were evaluated by biochemical parameters: Administration of geniposide, crocins, crocin-1and crocetin significantly lowered serum alanine transaminase (ALT), aspartate transaminase (AST) and alkaline phosphatase (ALP) levels in $CCl_4$-treated mice. The reduced glutathione (GSH) levels and antioxidant enzymes (SOD and CAT) activities were also increased by geniposide, crocins, crocin-1 and crocetin. Histopathological examination of livers showed that these components reduced deformability, irregular arrangement and rupture of hepatocyte in $CCl_4$-treated mice. These biochemical results and liver histopathological assessment demonstrated that geniposide, crocetin derivatives and crocetin show comparative beneficial effects on $CCl_4$-induced liver damage via induction of antioxidant defense. Therefore, contents of geniposide and crocetin derivatives should be both considered for hepatoprotective efficacy of Gardenia jasminoides Ellis.
Chen, Jun-Xing,Deng, Nan,Chen, Xu,Chen, Ling-Wu,Qiu, Shao-Peng,Li, Xiao-Fei,Li, Jia-Ping Asian Pacific Journal of Cancer Prevention 2012 Asian Pacific journal of cancer prevention Vol.13 No.5
Purpose: To assess efficacy of Ki67 combined with VEGF as a molecular grading model to predict outcomes with non-muscle invasive bladder cancer (NMIBC). Materials: 72 NMIBC patients who underwent transurethral resection (TUR) followed by routine intravesical instillations were retrospectively analyzed in this study. Univariate and multivariate analyses were performed to confirm the prognostic values of the Ki67 labeling index (LI) and VEGF scoring for tumor recurrence and progression. Results: The novel molecular grading model for NMIBC contained three molecular grades including mG1 (Ki67 $LI{\leq}25%$, VEGF $scoring{\leq}8$), mG2 (Ki67 LI>25%, VEGF $scoring{\leq}8$; or Ki67 $LI{\leq}25%$, VEGF scoring > 8), and mG3 (Ki67 LI > 25%, VEGF scoring > 8), which can indicate favorable, intermediate and poor prognosis, respectively. Conclusions: The described novel molecular grading model utilizing Ki67 LI and VEGF scoring is helpful to effectively and accurately predict outcomes and optimize personal therapy.
Juvenile hormone regulation on the flight capability of Bactrocera dorsalis (Diptera: Tephritidae)
Chen Peng,Chen Min,Ye Hui,Yuan Ruiling,Du Chunhua,Ong Su Ping 한국응용곤충학회 2020 Journal of Asia-Pacific Entomology Vol.23 No.4
The oriental fruit fly, Bactrocera dorsalis (Hendel) (Diptera: Tephritidae), is considered a major economic threat in many regions worldwide. In order to better understand the flight capacity of B. dorsalis and its physiological basis, the functions and regulatory roles of juvenile hormone (JH) in the flight muscle of B. dorsalis were studied under a controlled environment. JH titer of B. dorsalis varied with age and sex. Females have higher JH titers and better flight capabilities than males, given that the increase in JH also corresponded to the ovarian development and maturation in females. The flight duration and distance of both males and females increased with the gradual increase of JH titer after adult emergences. Both JH titer and flight capability peaked in 15-d-old adult and declined subsequently with age. Flight activity stimulated the production of JH as adults flown for 24 h on the flight mills have the highest JH titers compare to adults flown on shorter flight durations. Adults treated with 0.5 µg and 5 µg of JH III were able to fly long durations and long distances, nevertheless when JH titer was too low or too high, it would restrict the flight ability of the fly. The mutual reinforcement of JH and flight activity provides fundamental understanding on the physiological aspects of the flight capability and dispersal, which facilitates strategies for the long-term control of this destructive pest.
Development of a Small Tea Plucking Machine
( Ping-lang Yen ),( Nai-wen Chang ),( Chen-ya Chen ),( Hong-xuan Wei ),( Shih-fangchen ),( Wei-yang Hwang ) 한국농업기계학회 2018 한국농업기계학회 학술발표논문집 Vol.23 No.1
Tea plucking in Taiwan suffers of serious labor shortage due to agricultural population decreasing and aging. The problems become even worse in hot season of tea plucking and cause tremendous economic loses for farmers. Current solutions of introducing tea harvesting machinery to substitute human power were not adequately suitable to Taiwan's geographical specialty. These machines were found difficult to operate efficiently in mountain areas, or in small tea farms, and farms with narrow ridge to ridge. This paper has proposed a tea plucking prototype that is specially designed to operate in mountain areas and for small scale tea farm. The machine contains a carrier, a tea cutter and a motorized mechanism. The carrier of small size was able to be moved by human and its tea plucking module is motorized. At the same time the height of cutter was automatically adjusted by the controller so that tea leaves can be evenly trimmed during the carrier movement. The prototype successfully demonstrated the efficiency of tea plucking can be increased and workload for human could be significantly reduced. In conclusion, the developed small electrical tea plucking machine was proved feasible for the release of labor shortage problem in Taiwan’s tea plucking industry.
Effects of metal-molecule interface conformations on the electron transport of single molecule
Ping Bai,Er Ping Li,Chee Ching Chong,Zhikuan Chen 한국물리학회 2006 Current Applied Physics Vol.6 No.3
The electron transport eects of molecule locations on the metal interface are investigated through metalmoleculemetal systemsusing the rst principles method, based on density functional theory with norm conserving non-local pseudopotentials and non-equilib-rium Green’s functions. Three kinds of moleculemetal interface conformations are studied. These include locating the molecule on thetop, at the hollow site and on the bridge of metal surface atoms. AumoleculeAu open systems are constructed and numerically exam-sion functions of constructed systems are calculated and analyzed. Simulated results show that the on-atom contact exhibits the bestmoleculemetal coupling when an external bias lower than 1.4 V is applied. The bridge contact has a similar coupling as the hollow con-tact with a small dierence at larger external bias. This may partially explain why experimental results have poor repeatability.
Chen, Xin-Ping,Xu, Wei-Hua,Xu, Da-Feng,Xie, Xian-He,Yao, Jia,Fu, Sheng-Miao Asian Pacific Journal of Cancer Prevention 2014 Asian Pacific journal of cancer prevention Vol.15 No.18
Although a number of studies have been conducted on the association between GSTM1 polymorphisms and lung cancer in China, this association remains elusive and controversial. To clarify the effects of GSTM1 polymorphisms on the risk of lung cancer, a meta-analysis was performed in the Chinese population. Related studies were identified from PubMed, Springer Link, Ovid, Chinese Wanfang Data Knowledge Service Platform, Chinese National Knowledge Infrastructure (CNKI), and Chinese Biology Medicine (CBM) up to 5th April 2014. A total of 45 articles (47 studies) including 6,623 cases and 7,865 controls were involved in this meta-analysis. Overall, a significant association (OR = 1.45, 95%CI: 1.32-1.60) was found between the null GSTM1 and lung cancer risk when all studies in Chinese population pooled into the meta-analysis. In subgroup analyses stratified by quality score, geographic area and source of controls, the same results were observed under all the models. This meta-analysis showed that the null GSTM1 may be a potential biomarker for lung cancer risk in Chinese, but further studies with gene-gene and gene-environment interactions are required for definite conclusions.