188 research outputs found
Hong Kong cinema 1982-2002 : the quest for identity during transition
No full textElectronic redacted version excludes material for which permission has not been granted by the rights holderThis thesis seeks to interpret the cinematic representations of Hong Kongers’ identity quest during a transitional state/stage related to the sovereignty transfer. The Handover transition considered is an ideological one, rather than the overnight polity change on the Handover day. This research approaches contemporary Hong Kong cinema on two fronts and the thesis is structured accordingly: Upon an initial review of the existing Hong Kong film scholarship in the Introduction, and its 1997-related allegorical readings, Part I sees new angles (previously undeveloped or underdeveloped) for researching Hong Kong films made during 1982-2002. Arguments are built along the ideas of Hong Kongers’ situational, diasporic consciousness, and transformed ‘Chineseness’ because Hong Kong has lacked a cultural/national centrality. This part of research is informed by the ideas of Jacques Derrida, Homi Bhabha and Stuart Hall, and the diasporic experiences of Ien Ang, Rey Chow and Ackbar Abbas. With these new research angles and references to the circumstances, Part II reads critically the text of eight Hong Kong films made during the Handover transition. In chronological order, they are Boat People (Hui, 1982), Song of the Exile (Hui, 1990), Days of Being Wild (Wong, 1990), Happy Together (Wong, 1997), Made in Hong Kong (Chan, 1997), Ordinary Heroes (Hui, 1999), Durian Durian (Chan, 2000), and Hollywood Hong Kong (Chan, 2002). They meet several criteria related to the undeveloped / underdeveloped areas in the existing Hong Kong film scholarship. Hamid Naficy’s ‘accented cinema’ paradigm gives the guidelines to the film analysis in Part II. This part shows that Hong Kongers’ self-transformation during transition is alterable, indeterminate, and interminable, due to the people’s situational, diasporic consciousness, and transformed ‘Chineseness’. This thesis thus contributes to Hong Kong cinema scholarship in interpreting films with new research angles, and generating new insights into this cinematic tradition and its wider context
Traditional auriculotherapy for hypertension: a pilot randomized trial
No full textAuthor name used in this publication: Lorna Kwai-ping Suen2013-2014 > Academic research: refereed > Publication in refereed journalVersion of RecordPublishedC
论施叔青《香港三部曲》后殖民颠覆策略与身份认同 = Postcolonial strategy and cultural identity in Shi Shuqing’s Hong Kong trilogy
No full textAbstract not available
My Beloved ; A Battle at the River Harbour
No full text《古今一美人》。主演：張活游、吳碧君、黃菊樓、鄧丹平、黃君熊、司徒英、何楚君、何少珊、潘少培、李寶倫、周家儂Cast of My Beloved: Cheung Wood Yau, Ng Bik Kwun, Wong Kuk Lau, Tang Dan Ping, Wong Kwun Hung, Szeto Ying, Ho Cho Kwun, Ho Siu Shan, Poon Siu Pui, Lee Bo Lun, Chow Ka Nung《雷炸江灣月》。主演：白玉棠、曾三多、林超群、李艷秋、龐順堯、張活游、吳碧君、何少珊Cast of A Battle at the River Harbour: Pak Yuk Tong, Tsang Sam To, Lam Chiu Kwun, Lee Yim Chau, Pong Shun Yiu, Cheung Wood Yau, Ng Bik Kwun, Ho Siu Shan興中華劇團。丁丑十一月廿六日 (28th December 1937) 利舞台開演日演《古今一美人》。主演：張活游、吳碧君、黃菊樓、鄧丹平、黃君熊、司徒英、何楚君、何少珊、潘少培、李寶倫、周家儂夜演《雷炸江灣月》。麥嘯霞特編；主演：白玉棠、曾三多、林超群、李艷秋、龐順堯、張活游、吳碧君、何少
Tachysurus sinensis
No full text<i>Tachysurus sinensis</i> (Richardson) <p> <b>Distribution.</b> Tai Lam Chung Reservoir (GBIF.org, 2021; current survey).</p> <p> <b>Native range.</b> China and Korea (East Asia).</p> <p> <b>Remarks</b>. Restricted to reservoirs that receive water from the mainland. It is also commonly sold in wet markets, which may represent an additional source of introductions from aquaculture.</p> <p> <b>Distribution.</b> Sandy Ridge Cemetery (Chan, 2001); Kam Tin River (Black & Veatch Hong Kong Limited, 2005; DSD, 2021; current survey); Nam Long Shan area (within Ocean Park) (Maunsell Environmental Management Consultants Limited, 2006); Kowloon Reservoir (Lai, 2011; current survey); Yuen Long Town Nullah (Black & Veatch Hong Kong Limited, 2020a); Nam Wa Po area (DSD, 2020; GBIF. org, 2021); Lok Ma Chau area (Ove Arup & Partners Hong Kong Limited, 2013a); Ho Chung River, Ping Yuen River, Yuen Long Bypass Floodway, Ngau Tam Mei River, Ping Kong Stream, Ho Pui River, Ma Wat River (DSD, 2021) Lin Ma Hang Stream, Ma Tso Lung area, Wong Yue Tan area, Sheung Yue River, Hung Leng Tsuen area, Shan Pui River, Long Valley (GBIF.org, 2021); Tin Shui Wai River, Mui Wo area, Pui O Stream, Tai Ho River, Jordan Valley (H.T. Cheng, pers. comm., 2021); Mai Po Nature Reserve (WWF, 2021); Waterfall Bay Stream, Ng Tung River, Kai Tak River (current survey).</p> <p> <b>Native range.</b> Africa.</p> <p> <b>Remarks</b>. This species thrives in rivers polluted by organic waste in the New Territories.</p>Published as part of <i>Chan, Jeffery C. F., Tsang, Alphonse H. F., Yau, Sze-man, Hui, Tommy C. H., Lau, Anthony, Tan, Heok Hui, Low, Bi Wei, Dudgeon, David & Liew, Jia Huan, 2023, The non-native freshwater fishes of Hong Kong: diversity, distributions, and origins, pp. 128-168 in Raffles Bulletin of Zoology 71</i> on page 139, DOI: 10.26107/RBZ-2023-0012, <a href="http://zenodo.org/record/7815765">http://zenodo.org/record/7815765</a>
Black carbon mixing state impacts on aerosol activation investigations using particle-resolved model simulations
No full textBlack carbon-containing aerosol particles (called BC particles
hereafter) are a major particle type in the atmosphere. Their source is the incomplete combustion of carbon containing material, which means that except for natural biomass burning all sources of BC particles are anthropogenic. They absorb solar radiation directly, warming the atmospheric layer where they reside. Because of the absorbing nature of BC particles and their relatively short life time
compared to long-lived greenhouse gases (e.g. carbon dioxide), the
reduction of BC emission has been suggested as a short-term global
warming mitigation strategy. However, BC particles can also act as CCN, form cloud droplets and hence contribute to a cooling impact on climate. Both the optical properties and the CCN properties of BC particles depend on the BC mixing state, i.e. which other species are present within one BC-containing particle. The BC mixing state, in turn, evolves by so-called aerosol aging processes such as condensation of atmospheric gaseous components and coagulation with other aerosols. The climate effects of BC particles are therefore
closely related to the BC mixing state and its evolution. Uncertainties regarding the representation of these
processes in models are a major source of uncertainties in current
climate model predictions. This dissertation focuses on studying the impact of mixing state of BC particles on cloud microphysical
quantities during the early stages of cloud formation.
With the recently-developed particle-resolved model PartMC-MOSAIC, the mixing state and other physico-chemical properties of individual aerosol particles can be tracked as the particles undergo aerosol aging processes. As part of this dissertation this model framework was extended, and a particle-resolved cloud parcel model was developed. This simulates the particle growth due to condensation of water vapor for each particle in a given population. The cloud parcel
simulations are initialized with aerosol populations from urban plume simulations with PartMC-MOSAIC.
This new particle-resolved cloud parcel model was then used for
quantifying the errors in computing cloud microphysical quantities due to simplified model representations of aerosol particles. A library of scenarios was designed by varying BC emission rates, background aerosol number concentrations and gas emission rates for the urban plume scenarios, and varying the cooling rate in the cloud parcel scenarios to explore how the errors depend on environmental conditions. In this analysis we focused on four cloud microphysical quantities, namely activation fraction, fN, BC nucleation-scavenged mass fraction, fBC, effective radius,
(r)eff , and dispersion, epsilon, of the cloud droplet
spectrum. The errors due to simplified mixing state representation for these quantities were largest when the population contained
subpopulations of hydrophobic particles and hygroscopic particles. The errors in activation fraction fN was within 45%, while the
error in fBC reached up to 1300% for these conditions. The
errors in (r)eff and epsilon were within 12% and 62% respectively. An estimation of cloud short wave albedo revealed that the errors in effective radius led to a range of error in albedo between -0.0055 and 0.03. For all quantities, the errors increased
for the scenarios with reduced gas emission rates. For fBC
decreasing errors were observed with increasing cooling rates, while for the other variables a dependence on cooling rate was not evident.
In addition to the development of modeling tools and the error
quantification framework, this dissertation provided process analysis of how the change in aerosol population affected cloud droplet number concentration. A metric was developed to attribute the difference in cloud droplet number concentration, Nd obtained (at the same cloud parcel cooling rate) between two particular environmental scenarios to the difference in aerosol
population (called plume effect) and to the difference in water vapor competition (called parcel effect). For most of the scenarios
presented, the plume effect dominated the parcel effect in changing Nd. Further, we investigated the kinetic limitation to cloud droplets growth. With the use of the particle-resolved cloud parcel
model, the types of kinetic limitation mechanisms affecting individual cloud droplets were revealed. Besides, applying the recently developed concept of chemical composition diversity by Riemer & West 2013, the relationship between chemical composition diversity of the aerosol population and the relative spectral dispersion of the cloud droplet spectrum were investigated. It is found that there is no strong association between chemically diverse aerosol populations and cloud droplet spectra with large dispersion. Instead cloud droplet number
concentration and cooling rate are the key parameters controlling
dispersion.Item withdrawn by Laura Spradlin ([email protected]) on 2013-12-04T17:23:55Z
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p300 alters keratinocyte cell growth and differentiation through regulation of p21(Waf1/CIP1)
No full textBACKGROUND: p300 functions as a transcriptional co-activator to regulate many cellular responses such as cell growth, transformation, development and differentiation. It has been shown to affect the transcriptional activity of p53 which regulates p21(Waf1/CIP1) expression, however, the role of p300 in differentiation remains unclear.METHODOLOGY AND PRINCIPAL FINDINGS: Knockdown of p300 protein with short hairpin RNA (shRNA) molecules delays human neonatal foreskin keratinocyte (HFKs) differentiation. Moreover, depletion of p300 increases the proliferative capacity of HFKs, extends the life span of cells and allows differentiated HFKs to re-enter the cell cycle. Studies indicate that depletion of p300 down-regulates the acetylation and expression of p53, and chromatin immunoprecipitation (ChIP) analysis shows that induction of p21(Waf1/CIP1) in early differentiation is a result of p300 dependent activation of p53 and that depletion of p21(Waf1/CIP1) results in the delay of differentiation and a phenotype similar to p300 depletion.CONCLUSIONS: p300 has a direct role in the control of cell growth and differentiation in primary epithelial cells, and p21(Waf1/CIP1) is an important mediator of these p300 functions.</p
Acetylation of Rb by PCAF is required for nuclear localization and keratinocyte differentiation
No full textAlthough the retinoblastoma protein (Rb) functions as a checkpoint in the cell cycle, it also regulates differentiation. It has recently been shown that Rb is acetylated during differentiation; however, the role of this modification has not been identified. Depletion of Rb levels with short hairpin RNA resulted in inhibition of human keratinocyte differentiation, delayed cell cycle exit and allowed cell cycle re-entry. Restoration of Rb levels rescued defects in differentiation and cell cycle exit and re-entry; however, re-expression of Rb with the major acetylation sites mutated did not. During keratinocyte differentiation, acetylation of Rb is mediated by PCAF and it is further shown that PCAF acetyltransferase activity is also required for normal differentiation. The major acetylation sites in Rb are located within the nuclear localization sequence and, although mutation did not alter Rb localization in cycling cells, the mutant is mislocalized to the cytoplasm during differentiation. Studies indicate that acetylation is a mechanism for controlling Rb localization in human keratinocytes, with either reduction of the PCAF or exogenous expression of the deacetylase SIRT1, resulting in mislocalization of Rb. These findings identify PCAF-mediated acetylation of Rb as an event required to retain Rb within the nucleus during keratinocyte differentiation
ICT in Teacher Education : Challenging prospects
No full textTable of contents ICT AND TEACHER EDUCATION: A Lifelong Learning Perspective by Mohamed Chaib & Ann-Katrin Svensson ICT AND SCHOOLS IN THE INFORMATION SOCIETY: New Positions for Teachers by Birgitte Holm Sørensen THREE WAVES OF TEACHER EDUCATION AND DEVELOPMENT: Paradigm Shift in Applying ICT by Yin Cheong Cheng THE CHALLENGE OF ICT INTEGRATION IN HONG KONG TEACHER EDUCATION (AND ELSEWHERE): SWOT as a Strategic Approach to Dialogue, Interpretation and Encouraging Refl ective Practice by Cameron Richards LET’S THINK ABOUT IT: Considering the strengths ofweb-based collaboration by Tor Ahlbäck & Linda Reneland PRONETT: Networking Education and Teacher Training by Ton Koenraad & John Parnell FRAMEWORKS: BUILDING PURPOSEFUL SOCIO-TECHNICAL LEARNING NETWORKSIN TEACHER EDUCATION by Margaret Lloyd & Michael Ryan SHARING THE DISTANCE OR A DISTANCE SHARED: Social and Individual Aspects of Participation in ICT-Supported Distance-Based Teacher Education by Jimmy Jaldemark, Ola J Lindberg, Anders D Olofsson THE ARTEACH PROJECT: One Strategy for Integrating ICT Skills and Curriculum Design During Pre-Service Teacher Training by Wesley Imms & Elizabeth Lloyd COLLABORATIVE ICT LEARNING: Teachers’ Experiences by Christina Chaib SOCIAL STUDIES TEACHERS’ ICT USAGE IN TURKEY: State, Barriers, and Future Recommendations by Ismail Guven & Yasemin Gulbahar TRANSFORMING THE “CONTEXT” OF TEACHING AND LEARNING: Issues and Directions for Planning and Implementation by Sui Ping Chan & Pui Man Jennie Wong ICT IN THE LEARNING PROCESS: As Part of a Dialogue When Teachers Encourage Pupils’ Learning by Stefan Svedberg & Jörgen Lind
ICT in Teacher Education : Challenging prospects
No full textTable of contents ICT AND TEACHER EDUCATION: A Lifelong Learning Perspective by Mohamed Chaib & Ann-Katrin Svensson ICT AND SCHOOLS IN THE INFORMATION SOCIETY: New Positions for Teachers by Birgitte Holm Sørensen THREE WAVES OF TEACHER EDUCATION AND DEVELOPMENT: Paradigm Shift in Applying ICT by Yin Cheong Cheng THE CHALLENGE OF ICT INTEGRATION IN HONG KONG TEACHER EDUCATION (AND ELSEWHERE): SWOT as a Strategic Approach to Dialogue, Interpretation and Encouraging Refl ective Practice by Cameron Richards LET’S THINK ABOUT IT: Considering the strengths ofweb-based collaboration by Tor Ahlbäck & Linda Reneland PRONETT: Networking Education and Teacher Training by Ton Koenraad & John Parnell FRAMEWORKS: BUILDING PURPOSEFUL SOCIO-TECHNICAL LEARNING NETWORKSIN TEACHER EDUCATION by Margaret Lloyd & Michael Ryan SHARING THE DISTANCE OR A DISTANCE SHARED: Social and Individual Aspects of Participation in ICT-Supported Distance-Based Teacher Education by Jimmy Jaldemark, Ola J Lindberg, Anders D Olofsson THE ARTEACH PROJECT: One Strategy for Integrating ICT Skills and Curriculum Design During Pre-Service Teacher Training by Wesley Imms & Elizabeth Lloyd COLLABORATIVE ICT LEARNING: Teachers’ Experiences by Christina Chaib SOCIAL STUDIES TEACHERS’ ICT USAGE IN TURKEY: State, Barriers, and Future Recommendations by Ismail Guven & Yasemin Gulbahar TRANSFORMING THE “CONTEXT” OF TEACHING AND LEARNING: Issues and Directions for Planning and Implementation by Sui Ping Chan & Pui Man Jennie Wong ICT IN THE LEARNING PROCESS: As Part of a Dialogue When Teachers Encourage Pupils’ Learning by Stefan Svedberg & Jörgen Lind
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