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Study on the Thermal Decomposition of Waste Polystyrene in Motor Oil Using Microwave Energy
Liu, Xiao Yun,Kang, Tae Won 公州大學校 工學硏究院 生産技術硏究所 2003 論文集 Vol.11 No.-
A novel microwave-induced pyrolysis of waste polystyrene in motor oil was performed in quartz tube reactor. Different pyrolysis conditions were investigated, such as time range from 30 minutes to 1 hour and effective microwave power range from 180 to 250 watt. The distillate components were analyzed with GC-MS, and styrene, 1-methyl styrene, toluene, ethyl benzene were the four main products. Among these distillate products, styrene took over 70 percentages. Temperature of pyrolysis suing microwave was much lower than that of conventional thermal pyrolysis method.
基於CiteSpace視角的漢語四字格成語 曆時研究可視化圖譜分析及研究展望 ― 以1979年-2021年爲中心
劉柳(Liu Liu),劉耘(Liu Yun) 중국어문학연구회 2022 중국어문학논집 Vol.- No.134
The idiom, which is short but powerful, is a set phrase accepted through common practices for a long period of time. The idiom has various forms, and are mainly of four-character structure. Aiming at important issues about the diachronic situation, current hot spots and future trend of four-character idiom research, etc., this paper sorts out the relevant literature published in CNKI from 1979 to 2021, and utilizes CiteSpace to develop the author collaboration network, research institution cooperation network, keyword co-appearance network, clustering map and other visualized knowledge maps in respect to diachronic research situation of four-character idioms. Then, those visualized knowledge maps are quantitatively analyzed to obtain their development trend that rises steadily as a whole. After analysis of current research hot spots, it’s found that the academic circles are currently focusing on researches about ontology and translation of the Chinese. Based on the analysis results, this paper makes a scientific prediction for future idiom development, and deduces that the idioms will evolve towards the direction of construction grammar, cognitive science, etc., in the future.
Liu Yun chao(劉云超) 대한철학회 2015 哲學硏究 Vol.136 No.-
왕신자(王申子)는 송(宋)나라 말기에서 원(元)나라 중후기까지 살았던 역학자(易學者)이다. 매우 혼란한 시대를 살았던 그는 일생동안 은거생활을 하며 지냈기 때문에 세상에 이름이 잘 알려지지 않았다. 그러나 그는 역학을 연구하는 방면에서 매우 큰 업적을 남겼으며, 그가 쓴《대역집설(大易緝說)》,《춘추류전(春秋類傳)》두 권의 책 중에서 지금까지 남아있는《대역집설》은 송원시기의 학술사상을 이해하는데 소홀히 할 수 없는 매우 중요한 자료이다. 왕신자의 사상에서 드러나는 중요한 특징은 포용성과 비판성이다. 그는 당시의 주류 학술사상뿐만 아니라 모든 학파의 사상을 비판적으로 계승하고 창조적으로 발전시켜 자신의 독특한 역학체계를 형성했다. 그의 이기(理氣)관은 대체적으로 유가와 도가사상을 융합하고 주자학과 육왕학을 아우르는 송·원시기의 학술추세를 드러낸다. 그러나 그는 언제나 일반적인 학술적 관행을 따르지 않고 자신이 공부해서 체득한 독창적인 견해를 제기했다. 어떤 때에는 당시 매우 권위 있는 관점에 대해서도 그대로 받아들이지 않고 자신의 관점으로 이해하고 해석했다. 그는 한편으로 자각적으로 정주이학을 계승했으며, 다른 한편으로 장재(張載)의 기철학을 받아들여 '기(氣)'가 역학사상의 중요한 범주가 되도록 했다. 뿐만 아니라 "무극이 태극이다(無極而太極)."라는 의미를 "무에서 유가 나타난다(無生有)."라는 의미로 이해하고, '태극(太極)'을 '이기합일(理氣合一)'로 이해했으며, 이로 인해 '태극'이 '도(道)'와 '기(器)', '무(無)'와 '유(有)'를 이어주는 연결고리가 되도록 했다. 모든 학파의 관점을 분석하고 헤아려 서로간의 절충과 조화를 시도한 왕신자의 역학사상은 이론적인 방면에서 매우 독창적인 특징을 지닌다고 볼 수 있다. Wang Shenzi(王申子) is a Yi-ology(易学) scholar who lived in the last year of the Song dynasty. His idea of Li-Qi(理气) is special. First of all, You may find a typical type of fusion from Wang's description. For instance, fusion of Confucianism and Daoism, fusion of Zhu-xi(朱熹)and Lu jiu-yuan(陆九渊), fusion of Qi(元氣) and Idea(理). Wang's theory shows us a characteristic of coordination and fusion. Secondly, on account of the independence study feature in Shu(蜀), Wang shen-zi often breaks the routine and makes some of his own points. When Wang talks about the concept "Non Ultimate then Grand Ultimate"(無極而太極), he explains it as "Existing comes from Non-existing"(無生有), the latter being a Daoism proposition. At the same time, Grand Ultimate(太極) is the mixture of Idea and Qi in his theory, and can be interpreted by either Non-existing and Existing viewpoints. This is Wang's original creation.
( Yun Tao Liu ),( Jun Sun ),( Zeyu Luo ),( Sheng Qi Rao ),( Yu Jie Su ),( Yan Jun Yang ) 한국미생물 · 생명공학회 2013 Journal of microbiology and biotechnology Vol.23 No.4
This is the first report on using Catathelasma ventricosum for production of fruiting body and lignocellulosic enzymes. To improve the laccase activity and productivity of mushroom, the substrate was added with different supplements (eight aromatic compounds, Mn2+, and Cu2+). Based on the results, all these supplements can improve the laccase activity and productivity of C. ventricosum, and it seems that there is a critical value of laccase activity that affects the productivity of C. ventricosum. In addition, when Penicillium decumbens was inoculated into the substrate that had been cultivated with C. ventricosum for 20 days, the highest values of laccase activity, FPA activity, and productivity of C. ventricosum were obtained. Moreover, the laccase activity showed a positive correlation with the productivity of C. ventricosum. Finally, the effect of Mn2+, Cu2+, and P. decumbens on laccase activity was investigated by response surface methodology (RSM).
MicroRNA Expression Profile Analysis Reveals Diagnostic Biomarker for Human Prostate Cancer
Liu, Dong-Fu,Wu, Ji-Tao,Wang, Jian-Ming,Liu, Qing-Zuo,Gao, Zhen-Li,Liu, Yun-Xiang Asian Pacific Journal of Cancer Prevention 2012 Asian Pacific journal of cancer prevention Vol.13 No.7
Prostate cancer is a highly prevalent disease in older men of the western world. MicroRNAs (miRNAs) are small RNA molecules that regulate gene expression via posttranscriptional inhibition of protein synthesis. To identify the diagnostic potential of miRNAs in prostate cancer, we downloaded the miRNA expression profile of prostate cancer from the GEO database and analysed the differentially expressed miRNAs (DE-miRNAs) in prostate cancerous tissue compared to non-cancerous tissue. Then, the targets of these DE-miRNAs were extracted from the database and mapped to the STRING and KEGG databases for network construction and pathway enrichment analysis. We identified a total of 16 miRNAs that showed a significant differential expression in cancer samples. A total of 9 target genes corresponding to 3 DE-miRNAs were obtained. After network and pathway enrichment analysis, we finally demonstrated that miR-20 appears to play an important role in the regulation of prostate cancer onset. MiR-20 as single biomarker or in combination could be useful in the diagnosis of prostate cancer. We anticipate our study could provide the groundwork for further experiments.
Causes, Features, and Outcomes of Drug-Induced Liver Injury in 69 Children from China
( Yun Zhu ),( Yong Gang Li ),( Jia Bo Wang ),( Shu Hong Liu ),( Li Fu Wang ),( Yan Ling Zhao ),( Yun Feng Bai ),( Zhong Xia Wang ),( Jian Yu Li ),( Xiao He Xiao ) 대한소화기학회 2015 Gut and Liver Vol.9 No.4
Background/Aims: Drug-induced liver injury (DILI) is a frequent cause of pediatric liver disease; however, the data on DILI are remarkably limited. Methods: All 69 children hospitalized with DILI between January 2009 and December 2011 were retrospectively studied. Results: A total of 37.7% of the children had medical histories of respiratory infection. The clinical injury patterns were as follows: hepatocellular 89.9%, cholestatic 2.9%, and mixed 7.2%. Liver biopsies from 55 children most frequently demonstrated chronic (47.3%) and acute (27.3%) hepatitis. Hypersensitivity features, namely, fever (31.9%), rash (21.7%), and eosinophilia (1.4%), were found. Twenty-four children (34.8%) developed chronic DILI. Antibiotics (26.1%) were the most common Western medicines (WMs) causing DILI, and the major implicated herbs were Ephedra sinica and Polygonum multiflorum. Compared with WM, the children whose injuries were caused by Chinese herbal medicine (CHM) showed a higher level of total bilirubin (1.4 mg/dL vs 16.6 mg/dL, p=0.004) and a longer prothrombin time (11.8 seconds vs 17.3 seconds, p=0.012), but they exhibited less chronic DILI (2/15 vs 18/39, p=0.031). Conclusions: Most cases of DILI in children are caused by antibiotics or CHM used to treat respiratory infection and present with hepatocellular injury. Compared with WM, CHM is more likely to cause severe liver injury, but liver injury caused by CHM is curable. (Gut Liver 2015;9:525-533)
Yun-Ru Liu,El-Wui Loh,Tsung-Ming Hu,Tsuo-Hung Lan,Hsien-Jane Chiu,Yung-Han Chang,Shuo-Fei Chen,Yen-Hsin Yu,Cheng-Chung Chen 대한신경정신의학회 2014 PSYCHIATRY INVESTIGATION Vol.11 No.2
Objective Metabolic abnormalities, e.g., diabetes, are common among schizophrenia patients. Peroxisome proliferator activated receptor-γ (PPAR-γ) regulates glucose/lipid metabolisms, and schizophrenia like syndrome may be induced by actions involving retinoid X receptor-α/PPAR-γ heterodimers. We examined a possible role of the PPAR-γ gene in metabolic traits and psychosis profile in schizophrenia patients exposed to antipsychotics. Methods Single nucleotide polymorphisms (SNPs) of the PPAR-γ gene and a serial of metabolic traits were determined in 394 schizophrenia patients, among which 372 were rated with Positive and Negative Syndrome Scale (PANSS). Results SNP-10, -12, -18, -19, -20 and -26 were associated with glycated hemoglobin (HbA1c) whereas SNP-18, -19, -20 and -26 were associated with fasting plasma glucose (FPG). While SNP-23 was associated with triglycerides, no associations were identified between the other SNPs and lipids. Further haplotype analysis demonstrated an association between the PPAR-γ gene and psychosis profile. Conclusion Our study suggests a role of the PPAR-γ gene in altered glucose levels and psychosis profile in schizophrenia patients exposed to antipsychotics. Although the Pro12Ala at exon B has been concerned an essential variant in the development of obesity, the lack of association of the variant with metabolic traits in this study should not be treated as impossibility or a proof of error because other factors, e.g., genes regulated by PPAR-γ, may have complicated the development of metabolic abnormalities. Whether the PPAR-γ gene modifies the risk of metabolic abnormalities or psychosis, or causes metabolic abnormalities that lead to psychosis, remains to be examined.