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141.
Pham Van Khang Xuan Truong Mai Hiep Hoang Phu Sy Danh Thuong Shen Sida 《毒物与环境化学》2020,102(1-4):124-131
AbstractIn this study, The essential oil of flowers, fruits, and leaves of Thevetia peruviana, which were collected in Vietnam, were being reported for the first time. The essential oil of flowers was extracted by different methods: n-hexane extraction, distillation water, and supercritical CO2 extraction. The compositions of essential oil of different parts of Thevetia peruviana were analyzed by GC-FID and GC/MS systems. Major chemical compositions of essential oil were identified as monoterpenes, sesquiterpenes, terpenoids, and sterol. The activities of total essential oil extracts of the Thevetia peruviana exhibit inhibitory activities against five cancer cell lines. 相似文献
142.
Le Trinh Hai Pham Hoang Hai Tran Anh Dung Luc Hens 《Environment, Development and Sustainability》2010,12(1):103-116
Background Sustainable development (SD) is a common concept. Knowledge and attitudes are essential in the SD process. This study assesses
the knowledge, attitudes, and practices (KAP) of local people about SD. Aim To study the factors that influence the understanding of the concept, contents, and indicators of different aspects affecting
the health and environmental issues. Methods A cross-sectional study was carried out from June to July 2007 among 546 households in the Quang Tri province. Data were
gathered on basis of socio-demographic variables, namely age, gender, education, occupation, income, and region. Chi square
tests and multivariate analysis were performed on the obtained data. The data were cleaned and analysed using SPSS 15.0 for
windows. Results Occupation is related to knowledge, attitude, or practice. Income is related to knowledge or practice. Gender related to
only attitude. Lastly, region is related to attitude or practice. The proportion of wrong understanding about SD is 2.0 times
(95% CI: 1.3; 3.1, p < 0.001) higher than that of the people who have good understanding about it. The rate of willingness to do any related SD
programmes of the people who understanding is 2.1 times (95% CI: 1.4; 3.2, p < 0.001) higher than that of the people who have bad one. Conclusions This study shows that knowledge on sustainability of the local communities is low. Occupation and income influence understanding
of SD more than region, age, gender, and education. Most of the local people who do not understand SD in general, do not want
to participate or act in SD programmes. 相似文献
143.
Thuan Huu Vo Omar Okasha Haider Al-Hello Aleksandra Polkowska Sirpa Räsänen Merja Bojang J. Pekka Nuorti Katri Jalava 《Food and environmental virology》2016,8(3):174-179
On January 29, 2015, the city of Tampere environmental health officers were informed of a possible foodborne outbreak among customers who had eaten lunch in restaurant X. Employees of electric companies A and B had a sudden onset of gastrointestinal symptoms. We conducted a retrospective cohort study to identify the vehicle, source, and causative agent of the outbreak. A case was defined as an employee of companies A or B with diarrhea and/or vomiting who ate lunch at Restaurant X on January 26, 2015. All employees of the companies attending the implicated lunch were invited to participate in the cohort study. Environmental investigation was conducted. Twenty-one responders were included in statistical analysis, of which 11 met with the case definition. Of the 15 food items consumed by participants, four food items were associated with gastroenteritis. Of four kitchen staff, three tested positive for norovirus GIP7, the strain was found earlier in the community. No patient samples were obtained. Level of hygiene in the kitchen was inadequate. Infected kitchen staff probably transmitted norovirus by inadequate hygiene practices. No new cases associated with Restaurant X were reported after the hygiene practices were improved. 相似文献
144.
Zhuo CHEN Huu Hao NGO Wenshan GUO Xiaochang WANG 《Frontiers of Environmental Science & Engineering》2013,7(4):608-615
Recycled water provides a viable opportunity to partially supplement fresh water supplies as well as substantially alleviate environmental loads. Currently, thousands of recycled water schemes have been successfully conducted in a number of countries and Sydney is one of the leading cities, which has made massive effort to apply water reclamation, recycling and reuse. This study aims to make a comprehensive analysis of recycled water schemes in Sydney for a wide range of end uses such as landscape irrigation, industrial process uses and residential uses (e.g., golf course irrigation, industrial cooling water reuse, toilet flushing and clothes washing etc.). For each representative recycled water scheme, this study investigates the involved wastewater treatment technologies, the effluent quality compared with specified guideline values and public attitudes toward different end uses. Based on these obtained data, multi criteria analysis (MCA) in terms of risk, cost-benefit, environmental and social aspects can be performed. Consequently, from the analytical results, the good prospects of further expansion and exploration of current and new end uses were identified toward the integrated water planning and management. The analyses could also help decision makers in making a sound judgment for future recycled water projects. 相似文献
145.
Treatments of estrogens such as Estrone(E1), Estradiol(E2) and Ethinylestradiol(EE2) were conducted using an electrolytic reactor equipped with multi-packed granular glassy carbon electrodes.Experimental results showed that E1, E2 and EE2 were oxidized in the range of 0.45–0.85 V and were removed through electro-polymerization. Observed data from continuous experiments were in good agreement with calculated results by a mathematical model constructed based on mass transfer limitation. In continuous treatment of trace estrogens(1 μg/L), 98% of E1, E2 and EE2 were stably removed. At high loading rate(100 μg/L), removal efficiency of E1 was kept around 74%–88% for21 days, but removal efficiency reduced due to passivation of electrodes. However, removal efficiency was recovered after electrochemical regeneration of electrodes in presence of ozone. Electric energy consumption was observed in the range of 1–2 Wh/m3. From these results, we concluded that the present electrochemical process would be an alternative removal of estrogens. 相似文献
146.
Production of hydrogen and value-added carbon materials by catalytic methane decomposition: a review
Pham Cham Q. Siang Tan Ji Kumar Ponnusamy Senthil Ahmad Zainal Xiao Leilei Bahari Mahadi B. Cao Anh Ngoc T. Rajamohan Natarajan Qazaq Amjad Saleh Kumar Amit Show Pau Loke Vo Dai-Viet N. 《Environmental Chemistry Letters》2022,20(4):2339-2359
Environmental Chemistry Letters - Dihydrogen (H2), commonly named “hydrogen”, is attracting research interest due to potential applications in fuel cells, vehicles, pharmaceuticals and... 相似文献
147.
Pham Cham Q. Bahari Mahadi B. Kumar Ponnusamy Senthil Ahmed Shams Forruque Xiao Leilei Kumar Sunil Qazaq Amjad Saleh Siang Tan Ji Tran Huu-Tuan Islam Aminul Al-Gheethi Adel Vasseghian Yasser Vo Dai-Viet N. 《Environmental Chemistry Letters》2022,20(6):3613-3630
Environmental Chemistry Letters - The Ukraine war has strongly accentuated the ongoing energy and environmental issues, thus requiring a fast development of alternative and more local fuels. For... 相似文献
148.
Le Lam Hai Pham Anh Thi Hoang 《Environmental science and pollution research international》2022,29(54):81234-81255
Environmental Science and Pollution Research - The Environment Fund is a state financial institution and a non-profit organization, operating mainly in concessional loans with low-interest rates... 相似文献
149.
Pham Hong Thi Vu Long Duc Lê Ngoc Chi Hoang Thu-Huong Thi 《Environmental science and pollution research international》2022,29(28):42005-42015
Environmental Science and Pollution Research - It is increasingly being recognized that biotic ligand models (BLMs) can successfully predict the toxicity of divalent metals toward aquatic biota... 相似文献
150.
Subeshan Balakrishnan Pham Anh Murad Md. Shafinur Asmatulu Eylem 《Journal of Material Cycles and Waste Management》2023,25(5):2559-2583
Journal of Material Cycles and Waste Management - Mercury (Hg) is a naturally occurring chemical found in rock and coal deposits that can exist in various forms, including elemental Hg, inorganic... 相似文献