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  • About
  • The Global ETD Search service is a free service for researchers to find electronic theses and dissertations. This service is provided by the Networked Digital Library of Theses and Dissertations.
    Our metadata is collected from universities around the world. If you manage a university/consortium/country archive and want to be added, details can be found on the NDLTD website.
41

Urban morphology and air quality: a study of street level air pollution in dense residential environments of HongKong

Edussuriya, Priyantha S. January 2006 (has links)
published_or_final_version / abstract / Architecture / Doctoral / Doctor of Philosophy
42

Direct determination of lead in aerosol by slurry AAS.

January 1999 (has links)
Kin-Fai Ho. / Thesis (M.Phil.)--Chinese University of Hong Kong, 1999. / Includes bibliographical references (leaves [61-66]). / Abstracts in English and Chinese. / Contents / ACKNOWLEDGMENT / ABSTRACT / Chapter CHAPTER 1 --- INTRODUCTION / Chapter 1.1 --- Air Pollution in Hong Kong / Chapter 1.2 --- Brief introduction of Particulate Matter / Chapter 1.2.1 --- Total suspended particulates / Chapter 1.2.2 --- Respirable suspended particulates / Chapter 1.2.3 --- PM2.5 / Chapter 1.3 --- Lead in Air Particulate and its Harmful Effects on Human / Chapter 1.4 --- Air Sampling / Chapter 1.5 --- Sample Treatment / Chapter 1.5.1 --- Acid digestion method / Chapter 1.5.2 --- Slurry sampling method / Chapter 1.5.3 --- Comparison between acid digestion and slurry sampling method / Chapter 1.5.4 --- Chemical modification / Chapter CHAPTER 2 --- EXPERIMENTAL / Chapter 2.1 --- Apparatus / Chapter 2.2 --- Instrumental analysis / Chapter 2.2.1 --- Electrothermal atomic absorption spectrometry / Chapter 2.2.2 --- Background correction by the Zeeman effect / Chapter 2.3 --- Reagents / Chapter 2.4 --- Procedure / Chapter 2.4.1 --- Collection of air sample / Chapter 2.4.2 --- Treatment of sample collected on filter / Chapter 2.4.2.1 --- Digestion Procedure / Chapter 2.4.2.2 --- Procedure for Slurry Preparation / Chapter 2.4.3 --- Temperature program employed / Chapter 2.4.4 --- Sample introduction / Chapter 2.4.5 --- Determination of Lead in PM 2.5 by Acid Digestion Method / Chapter 2.4.6 --- Determination of Lead in PM 2.5 by Developed Method / Chapter 2.4.7 --- Study of particle size and suspension behavior of PM 2.5 in solvent / Chapter CHAPTER 3 --- RESULTS AND DISCUSSION / Chapter 3.1 --- Choice of filter for air sampling / Chapter 3.2 --- Choice of Solvents for Suspension of Air Particulates / Chapter 3.3 --- Ultrasonic agitation / Chapter 3.4 --- Effect of the sonication time / Chapter 3.5 --- Particle size and Effect of stabilization agents / Chapter 3.6 --- Effect of acid predigestion of the slurry sample / Chapter 3.7 --- Chemical Modification / Chapter 3.7.1 --- Use palladium as chemical modifier / Chapter 3.7.2 --- Amount of chemical modifier / Chapter 3.7.3 --- Effect of nitric acid / Chapter 3.8 --- Optimization of the graphite furnace temperature / Chapter 3.9 --- Effect of using platform / Chapter 3.10 --- Sample injection volume / Chapter 3.11 --- Recovery study of Lead in PM2.5 / Chapter 3.12 --- The limit of detection and precision of the developed method / Chapter CHAPTER 4 --- CONCLUSION / APPENDIX / REFERENCES
43

Indoor air quality improvement: a case study of the transformation of an industrial building

Yau, Cheong-hung, Kent., 游昌鴻. January 2006 (has links)
published_or_final_version / Housing Management / Master / Master of Housing Management
44

The impact and remedies to air pollution from joss burners in Hong Kong

Chan, Kin-shing., 陳堅誠. January 2007 (has links)
published_or_final_version / Environmental Management / Master / Master of Science in Environmental Management
45

A review of Hong Kong building design and town planning policies to improve air quality

Mok, Siu-kin., 莫肇堅. January 2005 (has links)
published_or_final_version / Environmental Management / Master / Master of Science in Environmental Management
46

Air pollution control and economic activities: the case of Hong Kong

Tse, Chin-wan., 謝展寰. January 1986 (has links)
published_or_final_version / Urban Studies / Master / Master of Social Sciences
47

Odour nuisance from restaurants and its control

So, Tak-wing., 蘇德榮. January 1993 (has links)
published_or_final_version / Environmental Management / Master / Master of Science in Environmental Management
48

Air pollution and respiratory disease incidence of Guangzhou: a study of spatial interpolation methodsusing GIS, 2003-2004

Yu, Peng, 于朋 January 2008 (has links)
published_or_final_version / Geography / Master / Master of Philosophy
49

Individual risk factors that modify the short-term effects of air pollution on mortality: a population-basedstudy of Chinese population

Ou, Chunquan., 欧春泉. January 2008 (has links)
published_or_final_version / Community Medicine / Doctoral / Doctor of Philosophy
50

Intercomparison of thermal-optical-flame inoization and combustion-nondispersive infrared methods for the measurement of total carbon in environmental samples.

January 2001 (has links)
Sze Sai-tim. / Thesis (M.Phil.)--Chinese University of Hong Kong, 2001. / Includes bibliographical references (leaves 77-82). / Abstracts in English and Chinese. / Acknowledgment --- p.i / Abstract (English) --- p.ii / Abstract (Chinese) --- p.iii / List of Figures --- p.iv / List of Tables --- p.v / Chapter 1. --- INTRODUCTION / Chapter 1.1 --- Air pollution in Hong Kong --- p.1 / Chapter 1.2 --- Chemical speciation of carbon in air particulates --- p.3 / Chapter 1.3 --- Carbonaceous compounds in air and their harmful effects --- p.6 / Chapter 1.4 --- Review of analytical techniques for carbon determination --- p.14 / Chapter 1.5 --- Research objective --- p.18 / Chapter 1.6 --- Brief description of the project --- p.20 / Chapter 2. --- INSTRUMENTATION AND THEORY / Chapter 2.1 --- Thermal-optical-FID method --- p.21 / Chapter 2.2 --- Combustion-NDIR method --- p.27 / Chapter 2.3 --- Comparison between two methods --- p.28 / Chapter 2.4 --- Materials used for preparing standards --- p.30 / Chapter 2.5 --- Filter media for thermal analysis of carbon containing aerosols --- p.31 / Chapter 3. --- EXPERIMENTAL / Chapter 3.1 --- Instrumentation --- p.33 / Chapter 3.2 --- Apparatus --- p.33 / Chapter 3.3 --- Reagents --- p.35 / Chapter 3.4 --- Analysis time and operation temperature --- p.36 / Chapter 3.5 --- Procedures --- p.38 / Chapter 4. --- RESULTS AND DISCUSSION / Chapter 4.1 --- Particulate matter concentration in air --- p.43 / Chapter 4.2 --- Calibration --- p.43 / Chapter 4.3 --- Recovery study of total carbon in Standard Reference Material --- p.47 / Chapter 4.4 --- Study of filter deposit homogeneity --- p.50 / Chapter 4.5 --- Determination of total carbon in air particulates --- p.52 / Chapter 4.6 --- Further comparison of two methods by determination of total carbon in different sample type (river suspended solids) --- p.61 / Chapter 4.7 --- Repeatability of time of evolution and quantity of carbon determined by thermal optical-FID --- p.70 / Chapter 4.8 --- Reproducibility of measuring total carbon in PM2 5 and PM10 --- p.73 / Chapter 5. --- CONCLUSION --- p.75 / Chapter 6. --- REFERENCES --- p.77

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