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Hong, Joon-Ki,Lee, Eun-Young,Jin, Zheng-Lu,Kim, Ho-Il,Hong, Jong-Chan,Choi, Young-Ju,Yun, Dae-Jin,Lee, Sang-Yeol,Bahk, Jeong-Dong,Cho, Moo-Je,Lim, Chae-Oh Plant molecular biology and biotechnology research 2002 Plant molecular biology and biotechnology research Vol.2002 No.-
A cDNA encoding a small GTP-binding protein highly similar to Arabidopsis ADP-ribosylation factor 3 (ARF3) was isolated from the Chinese cabbage flower bud cDNA library. The cDNA clone contained an open reading frame encoding a 182-amino acid polypeptide with a calculated molecular mass of 20.3 kDa. A multialignment and phylogenetic analysis demonstrated that all the plant genes evaluated were clustered in a major evolutionary tree branch, indicating the need for a new plant ADP-ribosylation factor (ARF) and ARF-like protein (ARL) subfamily classification. Several ARF or ARL genes were identified in Chinese cabbage genomic DNA by Southern analysis. ARL transcript levels, differentially expressed in different organs of the Chinese cabbage, were particularly high in the leaves. Accumulation of ARL transcript was nearly constant in seedlings treated with growth regulators. However, the ARL transcript was preferentially expressed in suspension culture cells following salicylic acid (SA) treatment but not following treatment with hydrogen peroxide (H_(2)o_(2)),jasmonic acid(JA), or nitric oxide (NO). Thus, a SA signaling pathway may regulate ARL expression in Chinese cabbage suspension culture cells.
Body water percentage from childhood to old age
( Hong Lu ),( Eric Ayers ),( Pragnesh Patel ),( Tej K. Mattoo ) 대한신장학회 2023 Kidney Research and Clinical Practice Vol.42 No.3
Background: Total body water (TBW) increases with growth, but the body water percentage (TBW%) decreases with aging. The objective of our study was to delineate TBW% in males and females by bioelectrical impedance analysis (BIA) from early childhood to old age. Methods: We enrolled 545 participants aged 3 to 98 years (258 male, 287 female). Among the participants, 256 had a normal weight and 289 were overweight. The TBW was measured by BIA, and TBW% was derived by dividing the TBW (L) value by body weight (kg). For analysis, we divided participants into the four age groups of 3-10, 11-20, 21-60, and ≥61 years. Results: In normal-weight subjects, the TBW% was similar at 62% between males and females in the 3-10-year group. It remained unchanged in males until and through adult life, then decreased to 57% in the ≥61-year group. In normal-weight female subjects, the TBW% decreased to 55% in the 11-20-year group, remained relatively unaltered in the 21-60-year group, then decreased to 50% in the ≥61-year group. In overweight subjects, the TBW% values in males, as well as females, were significantly lower as compared to those with normal weight. Conclusion: Our study showed that the TBW% in normal-weight males changes very little from early childhood to adult life compared to that of females, who showed a decrease in TBW% during the pubertal years. In normal-weight subjects of both sexes, the TBW% decreased after the age of 60 years. Overweight subjects had significantly lower TBW% as compared to those with normal weight.
Lu, Hong,Chen, Dong,Hu, Li-Ping,Zhou, Lian-Lian,Xu, Hui-Ying,Bai, Yong-Heng,Lin, Xiang-Yang Asian Pacific Journal of Cancer Prevention 2013 Asian Pacific journal of cancer prevention Vol.14 No.11
Molecular epidemiological studies have shown that gene polymorphisms of estrogen receptor alpha gene (ESR-${\alpha}$) are associated with breast cancer risk. However, previous results from many molecular studies have been inconsistent. In this study, we examined two polymorphisms (PvuII and XbaI RFLPs) of the ESR-${\alpha}$ gene in 542 breast cancer cases and 1,016 controls from China. Associations between the polymorphisms and breast cancer risk were calculated with an unconditional logistic regression model. Linkage disequilibrium and haplotypes were analyzed with the SHEsis software. In addition, we also performed a systematic meta-analysis of 24 published studies evaluating the association. No significant associations were found between the PvuII polymorphism and breast cancer risk. However, a significantly decreased risk of breast cancer was observed among carriers of the XbaI 'G' allele (age-adjusted OR = 0.80; 95% CI = 0.66- 0.97) compared with carriers of the 'A' allele. Haplotype analysis showed significantly decreased cancer risk for carriers of the 'CG' haplotype (OR = 0.79; 95% CI = 0.66- 0.96). In the systematic meta-analysis, the XbaI 'G' allele was associated with an overall significantly decreased risk of breast cancer (OR = 0.90, 95% CI = 0.82- 1.00). In addition, the PvuII 'C' allele showed a 0.96- fold decreased disease risk (95% CI = 0.92- 0.99). In subgroup analysis, an association between the PvuII 'C' and XbaI 'G' alleles and breast cancer risk was significant in Asians ('C' vs. 'T': OR = 0.93, 95% CI = 0.85- 1.00; 'G' vs. 'A': OR = 0.82, 95% CI = 0.68- 0.98), but not in Euro-Americans. Thus, our results provide evidence that ESR-${\alpha}$ polymorphisms are associated with susceptibility to breast cancer. These associations may largely depend on population characteristics and geographic location.
Development of a magnified flexure mechanism for fast tool servo system
Lu Hong(여굉),Soo Chang Choi(최수창),Yong Woo Kim(김용우),Jin Geun Kim(김진근),Deug Woo Lee(이득우) 한국생산제조학회 2009 한국공작기계학회 추계학술대회논문집 Vol.2009 No.-
The flexure-hinge mechanisms are commonly used in the design of translational micro/nano-positioning stage. This paper presents the methodology for design and control of a lever-type magnified flexure mechanism used for the ultra-precision fast tool servo (FTS) system. A lever type hinge mechanism is designed and utilized to guide the tool stage and to preload the PZT actuator. A prototype of the FTS system was developed and tested. The influence of tile PZT actuator's capacitance on the output voltage of the given amplifier was investigated. The motion range of the FTS system can reach 11.3㎛ and a bandwidth of 600㎐, and the amplification of the lever flexure mechanism is approximately 5 as calculated from the experiment.
말레이시아 공포영화 <두쿤>으로 본 남성의 시선, 여성의 유혹 그리고 영화촬영술
( Lu Hong ) 부산대학교 영화연구소 2021 아시아영화연구 Vol.14 No.1
본 논문은 말레이시아의 공포영화 <두쿤>에 나오는 여성의 유혹을 고찰하고 영화 속 말레이시아 사회에서 여성의 주체성과 대비되는 남성의 취약성을 살펴보고자 한다. 흥미로운 것은 여성의 주체성 권한이 여성을 향한 남성의 시선에서 비롯된다는 것이다. 영화 <두쿤>에서는 다소 모호하게 연출되었지만, 영화는 여전히 여성에 대한 남성의 시선을 역전시키려는 시도를 한다. 유혹적인 여성의 이미지는 주인공 다이애나의 흑마법을 통하여 남성들을 향해 여성의 시선을 던짐으로써 역전된다. 또한, 이 영화는 여성이 매력을 발휘할 수 있는 공간을 통해 가부장적인 사회에서 타자화된 여성 관객들의 공감을 이끌어낸다. 그럼에도 불구하고 흑마법을 통해 여성 권력이 결국에는 현대 사회의 가부장적 질서를 강화함으로써 여성의 권리는 약화되는 양상을 보인다. 그밖에 본 논문은 영화의 장면배치와 시각적인 은유를 통해 양성의 불평등한 권력 관계 및 주인공의 심리 표현을 분석하고자 한다. This paper mainly intends to examine the female seduction embedded in Malaysian film Dukun, and further explores the construction of female subjectivity articulated in this cinematic text, in comparison with the representation of vulnerability and precariousness of male characters in modern Malay society. Interestingly, the empowerment of female sexuality is initiated from the conventional male gaze towards female; while this film Dukun, though with ambiguity, I argue is attempting to make a reversal of male gaze towards female. Female seduction seems to disable male gaze. And this film has given way for feminine to play out its charm for identifications of female audiences who are being situated in the position of the other as to men in a mainly patriarchal society. Nevertheless, the female power presented through black magic ambivalently undermines itself in a way to reinforce the patriarchal order in modern society. Besides, the mise en scène and visual metaphors will be analyzed and encoded in representing characters’ psychological status as well as the dominant power one over the other in relation to its thematic concerns.
A new high-order response surface method for structural reliability analysis
Hong-Shuang Li,Zhen-Zhou Lu,Hong-Wei Qiao 국제구조공학회 2010 Structural Engineering and Mechanics, An Int'l Jou Vol.34 No.6
In order to consider high-order effects on the actual limit state function, a new response surface method is proposed for structural reliability analysis by the use of high-order approximation concept in this study. Hermite polynomials are used to determine the highest orders of input random variables, and the sampling points for the determination of highest orders are located on Gaussian points of Gauss-Hermite integration. The cross terms between two random variables, only in case that their corresponding percent contributions to the total variation of limit state function are significant, will be added to the response surface function to improve the approximation accuracy. As a result, significant reduction in computational cost is achieved with this strategy. Due to the addition of cross terms, the additional sampling points, laid on two-dimensional Gaussian points off axis on the plane of two significant variables, are required to determine the coefficients of the approximated limit state function. All available sampling points are employed to construct the final response surface function. Then, Monte Carlo Simulation is carried out on the final approximation response surface function to estimate the failure probability. Due to the use of high order polynomial, the proposed method is more accurate than the traditional second-order or linear response surface method. It also provides much more efficient solutions than the available high-order response surface method with less loss in accuracy. The efficiency and the accuracy of the proposed method compared with those of various response surface methods available are illustrated by five numerical examples.