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Shan-Shan Yao,Chun-Liu Ma,Fan-Long Jin,박수진 한국화학공학회 2020 Korean Journal of Chemical Engineering Vol.37 No.11
Graphene nanoplatelets (GNPs)/silane-coupling-agent-treated GNPs (KH- GNPs) and hydroxyl multi-walled carbon nanotubes (MWCNTs-OH) were added as reinforcing agents to an epoxy matrix, diglycidylether of bisphenol- A (DGEBA), to improve the fracture toughness of DGEBA. The influence of the MWCNT-OH fraction on the thermal and flexural properties, fracture toughness, and morphology of the DGEBA/GNP/MWCNT-OH and DGEBA/ KH-GNP/MWCNT-OH nanocomposites was investigated. The results indicate that the fracture toughness of the DGEBA/KH-GNP/MWCNT-OH nanocomposites increased from 1.09 to 1.46MPa·m1/2, which is 33.9% greater than that of pristine DGEBA. Analysis of the fracture surfaces of the nanocomposites showed a rough morphology with numerous tortuous and river-like structures. In addition, the MWCNTs-OH were slightly pulled out or broken in the epoxy matrix during the fracture toughness tests.
Yong Chun Li,Fan Rong Meng,Chun Yan Zhang,Ning Zhang,Ming Shan Sun,Jiang Ping Ren,Hong Bin Niu,Xiang Wang,Jun Yin 한국식물학회 2012 Journal of Plant Biology Vol.55 No.5
To understand better the mechanisms that regulate the water stress response in wheat, we conducted a comparative analysis of transcript profiles in roots from two wheat genotypes -- drought-tolerant ‘Luohan No. 2’ (LH)and drought-susceptible ‘Chinese Spring’ (CS). In LH roots,3831 transcripts displayed changes in expression of at least two-fold over the well-watered control when drought treatment was applied. Of these, 1593 were induced while 2238 were repressed. Relatively fewer transcripts were drought-responsive in CS; i.e., 1404 transcripts were induced and 1493 were repressed. In common between LH and CS,569 transcripts were induced and 424 transcripts were repressed. In all, 689 transcripts (757 probe sets) identified from LH and 537 transcripts (575 probe sets) from CS were annotated and classified into 10 functional categories. Among those annotated transcripts from LH and CS that had fold-change ratios of at least 4, 92 induced transcripts were common to both, while 23 transcripts were specifically induced in LH. Gene ontology analysis of these induced genes showed highly significant enrichment for multiple terms related to abiotic stimuli, organic acid biosynthesis,and lipid metabolism. This suggests that these gene groups play important roles during the stress response in LH and CS, and might also be responsible for differences in drought tolerance between those genotypes.
RPSA Gene Mutants Associated with Risk of Colorectal Cancer among the Chinese Population
Zhang, Shan-Chun,Jin, Wen,Liu, Hui,Jin, Ming-Juan,Chen, Ze-Xin,Ding, Zhe-Yuan,Zheng, Shuang-Shuang,Wang, Li-Juan,Yu, Yun-Xian,Chen, Kun Asian Pacific Journal of Cancer Prevention 2013 Asian Pacific journal of cancer prevention Vol.14 No.12
The primary aim of this study was to evaluate the relationship of single nucleotide polymorphisms (SNPs) in ribosomal protein SA (RPSA) gene with colorectal cancer (CRC). A case-control study including 388 controls and 387 patients with CRC was conducted in a Chinese population. Information about socio-demography and living behavior factors was collected by a structured questionnaire. Three SNPs (rs2133579, rs2269349, rs7641291) in RPSA gene were genotyped by Illumina SnapShot method. Multiple logistic regression models were used for assessing the joint effects between tea consumption and SNPs on CRC. The subjects with rs2269349 CC genotype had a decreased risk for CRC (OR=0.60; 95%CI = 0.37-0.99), compared with TT/CT genotype after adjustment for covariates. A similar association of rs2269349 with rectal cancer was observed (OR=0.49; 95%CI=0.24-1.00). Further analyses indicated that this SNP could modify the protective effect of tea drinking on CRC. Among the subjects with rs2269349 TT/CT or rs2133579 AA/GA, there was a marginal significantly lower risk of CRC (OR and 95%CI: 0.63 and 0.39-1.01 for rs2269349; 0.64 and 0.40-1.02 for rs2133579) in tea-drinking subjects in comparison to non-tea-drinking subjects. Mutants in the RPSA gene might be associated with genetic susceptibility to CRC and influence the protective effect of tea consumption in the Chinese population.
단순 ( Chun Shan ) 한국실학학회 2016 한국실학연구 Vol.0 No.31
以實心行實政是儒家"內聖外王"思想在社會治理中的呈現,也是指導"垂二千年而弗能改"之"郡縣制"的行政倫理。"實心"偏于知識的倫理性,類似于儒家的"德性之知";"實政"則偏于政治的倫理性,類似于儒家的"王道仁政"。"郡縣制"的執行者爲"親民之官","實心"卽其政治覺悟和行政倫理,"實政"表達者則爲其慈幼、養育"子民"的本職責任;"實心實政"的統一亦是考績"牧令"職守得行政標准和"民貴君輕"的政治標准。這兩種標准爲中國的子民百姓槪括爲"當官不爲民做主,不如回家賣紅薯"。中國社會治理傳統中的"勤政愛民"、"視民如傷"以及當代中國政治中的"爲人民服務"、"三嚴三實"等,也都可以理解爲"實心實政"的歷史傳承及其政治上的創新性運用。 to conduct pragmatic politics by epistemological heart is manifestation of Confucian Inner Saint and Outer King in social rule, serving as the administrative ethics in Chinese County and Prefecture Administration. Epistemological heart reveals more ethics than intellectual faculty, similar to Confucian moral knowledge, while pragmatic politics discloses more messages on political ethics, resembling Confucian humanity-oriented politics. In Chinese County and Prefecture Administration, the administrators are officials intimate to their civilians with their epistemological heart nursing political awareness and administrative ethics and their pragmatic politics illustrated in administrative duties to enriching and sustaining their children civilians in a country family. The integrity of epistemological heart and pragmatic politics is regarded as the standard to examine the administrative merits of county and prefecture officials and to implement Mencian doctrine of the political superiority of civilians over monarchs(民貴君輕). This standard is popularly stated among civilians as Better to retreat to toast potatoes than to be officials without committing to serve the civilians. Such type of administration and politics has now been turned into Chinese Communist catch-phrase Serving the People(爲人民服務)
한국인 태권도 수련자와 중국인 무술 수련자의 사회성발달에 관한 연구
최춘산 ( Chun Shan Cui ),곽택용 ( Taek Yong Kwak ),오인호 ( In Hoo Oh ) 대한무도학회 2010 대한무도학회지 Vol.12 No.1
본 연구는 한국 태권도 수련자와 중국 무술 수련자를 대상으로 사회성발달을 규명함으로써 사회성발달의 하위요인인 활동성, 사교성, 안정성, 지배성, 자율성이 유의한 차이를 나타내고 있는 지를 규명하고자 하는데 연구의 목적을 두고 있다. 구체적으로 한국 태권도 수련자와 중국 무술 수련자의 사회성발달의 차이를 규명하기 위하여 태권도 수련자와 무술 수련자를 모 집단으로 선정한 후 한국 Y대학교(100명), H대학교(100명), K대학교(100명)에서 태권도를 수련하고, 중국 B대학(300명)에서 무술을 수련하는 수련자를 대상으로 각 학교 300명씩 총 600명을 편의표집법으로 표집 하였으며 응답이 불성실하다고 판단되거나, 기입누락 등과 같이 연구 자료로 부적합한 설문지를 제외하였으며, 최종분석에 사용된 표본은 589명이었다. 유효 표본은 SPSS WIN 15.0을 사용하여 빈도분석, 탐색적 요인분석, 신뢰도 분석, 독립표본 t-test를 실시하여 다음과 같은 결론을 도출하였다. 한국 태권도 수련자와 중국 무술자의 사회성발달은 차이가 있었다. 구체적으로 사교성, 지배성에서 유의한 차이가 있는 것으로 나타났으며, 태권도 수련자의 사회성이 무술수련자의 사회성보다 높은 것으로 나타났다. The aim of this study was to verify meaningful differences in the development of sociability between Korean (taekwondo) and Chinese (wushu) marital art practitioners. To do so, it looked at sub-categories of the development of sociability such as playfulness, amicability, stability, dominance, and autonomy. This study initially sampled 300 taekwondo practitioners from Y University(100), H University(100), K University(100) in Korea and 300 wushu practitioners from B University(300) in China. A total of 589 questionnaires were used for the analysis as the 11 samples deem inappropriate. Statistical methods which include frequency analysis, exploratory factor analysis, reliability analysis, and independent samples t-test were conducted using SPSS WIN 15.0 version. The results indicated that there existed significant differences between Korean and Chinese martial art practitioners. More specifically, meaningful differences were found in amicability, playfulness and dominance factors. Overall, the results implied that taekwondo practitioners were more sociable than wushu practitioners.