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澳大利亚前寒武纪超大陆演化与成矿作用 被引量:2
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作者 王天刚 郑璐 +3 位作者 朱意萍 anthony reid 赵宇浩 姚仲友 《华东地质》 2022年第3期255-267,共13页
澳大利亚前寒武纪地质演化与超大陆旋回密切相关,大多数地质和成矿事件与超大陆聚合、裂解有关。自太古代以来,澳大利亚大陆主要由西向东生长。澳大利亚早前寒武纪古陆核为太古代皮尔巴拉和伊尔岗克拉通,古元古代—中元古代时南北克拉... 澳大利亚前寒武纪地质演化与超大陆旋回密切相关,大多数地质和成矿事件与超大陆聚合、裂解有关。自太古代以来,澳大利亚大陆主要由西向东生长。澳大利亚早前寒武纪古陆核为太古代皮尔巴拉和伊尔岗克拉通,古元古代—中元古代时南北克拉通和西澳大利亚克拉通在哥伦比亚超大陆聚合时拼贴在一起,并在其后的罗迪尼亚超大陆演化过程中最终形成澳大利亚中西部的前寒武纪克拉通。澳大利亚前寒武纪成矿作用与克拉通构造演化和超大陆旋回有关,与绿岩带有关的造山型金矿是凯诺兰大陆聚合过程中的产物,而沉积岩容矿的铅锌矿床、不整合面型铀矿、铁氧化物型铜金矿床则在哥伦比亚超大陆裂解过程中形成。不同超大陆聚散过程中表现出不同的成矿特征,为今后的矿产勘查提供了丰富的信息。 展开更多
关键词 超大陆演化 成矿规律 聚散 前寒武纪克拉通 澳大利亚
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18世纪后期至19世纪初期华人贸易与东南亚经济扩张之概观 被引量:2
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作者 安东尼·瑞德 周鑫(译) +1 位作者 张丽玲(译) 李塔娜(审校) 《海洋史研究》 CSSCI 2017年第1期61-75,共15页
仅仅三十年前,人们可能依旧将前殖民时代的东南亚看作一个与更大的世界贸易圈隔绝的自给村落,没有理会其经济史:1870年以后……以前妨碍欧洲人开发内地的各种障碍都被迅速铲除。于是,几个世纪以来在经济生活中抵挡欧洲人的冲击,以自给... 仅仅三十年前,人们可能依旧将前殖民时代的东南亚看作一个与更大的世界贸易圈隔绝的自给村落,没有理会其经济史:1870年以后……以前妨碍欧洲人开发内地的各种障碍都被迅速铲除。于是,几个世纪以来在经济生活中抵挡欧洲人的冲击,以自给农业、家庭手工业和实物交换为主要特征的传统制度令人吃惊地突然消失了。新景象取而代之:谷物由预付款提供资金,为世界市场种植。 展开更多
关键词 经济生活 世界贸易 东南亚 华人 后期 世界市场 欧洲人 手工业
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The contribution of a non-governmental organisation’s Community Based Tuberculosis Care Programme to case finding in Myanmar:trend over time
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作者 Htet Myet Win Maung Saw Saw +6 位作者 Petros Isaakidis Mohammed Khogali anthony reid Nguyen Binh Hoa Ko Ko Zaw Saw Thein Si Thu Aung 《Infectious Diseases of Poverty》 SCIE 2017年第1期449-454,共6页
Background:It is estimated that the standard,passive case finding(PCF)strategy for detecting cases of tuberculosis(TB)in Myanmar has not been successful:26%of cases are missing.Therefore,alternative strategies,such as... Background:It is estimated that the standard,passive case finding(PCF)strategy for detecting cases of tuberculosis(TB)in Myanmar has not been successful:26%of cases are missing.Therefore,alternative strategies,such as active case finding(ACF)by community volunteers,have been initiated since 2011.This study aimed to assess the contribution of a Community Based TB Care Programme(CBTC)by local non-government organizations(NGOs)to TB case finding in Myanmar over 4 years.Methods:This was a descriptive study using routine,monitoring data.Original data from the NGOs were sent to a central registry within the National TB Programme and data for this study were extracted from that database.Data from all 84 project townships in five regions and three states in Myanmar were used.The project was launched in 2011.Results:Over time,the number of presumptive TB cases that were referred decreased,except in the Yangon Region,although in some areas,the numbers fluctuated.At the same time,there was a trend for the proportion of cases treated,compared to those referred,that decreased over time(P=0.051).Overall,among 84 townships,the contribution of CBTC to total case detection deceased from 6%to 4%over time(P<0.001).Conclusions:Contrary to expectations and evidence from previous studies in other countries,a concerning reduction in TB case finding by local NGO volunteer networks in several areas in Myanmar was recorded over 4 years.This suggests that measures to support the volunteer network and improve its performance are needed.They may include discussion with local NGOs human resources personnel,incentives for the volunteers,closer supervision of volunteers and improved monitoring and evaluation tools. 展开更多
关键词 Operational research Community based tuberculosis care CONTRIBUTION SORT IT
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Different challenges,different approaches and related expenditures of communitybased tuberculosis activities by international non-governmental organizations in Myanmar
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作者 Wai Wai Han Saw Saw +5 位作者 Petros Isaakidis Mohammed Khogali anthony reid Nguyen Hoa Ko Ko Zaw Si Thu Aung 《Infectious Diseases of Poverty》 SCIE 2017年第1期506-513,共8页
Background:International non-governmental organizations(INGOs)have been implementing community-based tuberculosis(TB)care(CBTBC)in Myanmar since 2011.Although the National TB Programme(NTP)ultimately plans to take ove... Background:International non-governmental organizations(INGOs)have been implementing community-based tuberculosis(TB)care(CBTBC)in Myanmar since 2011.Although the National TB Programme(NTP)ultimately plans to take over CBTBC,there have been no evaluations of the models of care or of the costs of providing CBTBC in Myanmar by INGOs.Methods:This was a descriptive study using routinely-collected programmatic and financial data from four INGOs during 2013 and 2014,adjusted for inflation.Data analysis was performed from the provider perspective.Costs for sputum examination were not included as it was provided free of charge by NTP.We calculated the average cost per year of each programme and cost per patient completing treatment.Results:Four INGOs assisted the NTP by providing CBTBC in areas where access to TB services was challenging.Each INGO faced different issues in their contexts and responded with a diversity of strategies.The total costs ranged from US$140754 to US$550221 during the study period.The cost per patient completing treatment ranged from US$215 to US$1076 for new cases and US$354 to US$1215 for retreatment cases,depending on the targeted area and the package of services offered.One INGO appeared less costly,more sustainable and patient oriented than others.Conclusions:This study revealed a wide variety of models of care and associated costs for implementing CBTBC in diverse and challenging populations and contexts in Myanmar.Consequently,we recommend a more comprehensive evaluation,including development of a cost model,to estimate the costs of scaling up CBTBC country-wide,and cost-effectiveness studies,to best inform the NTP as it prepares to takeover CBTBC activities from INGOs.While awaiting evidence from these studies,model of CBTBC that have higher sustainability potential and allocate more resources to patient-centered care should be given priority support. 展开更多
关键词 Operational research COST SUSTAINABILITY Budget allocation
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Active case-finding for tuberculosis by mobile teams in Myanmar:yield and treatment outcomes
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作者 Ohnmar Myint Saw Saw +7 位作者 Petros Isaakidis Mohammed Khogali anthony reid Nguyen Binh Hoa Thi Thi Kyaw Ko Ko Zaw Tin Mi Mi Khaing Si Thu Aung 《Infectious Diseases of Poverty》 SCIE 2017年第1期683-690,共8页
Background:Since 2005,the Myanmar National Tuberculosis Programme(NTP)has been implementing active case finding(ACF)activities involving mobile teams in hard-to-reach areas.This study revealed the contribution of mobi... Background:Since 2005,the Myanmar National Tuberculosis Programme(NTP)has been implementing active case finding(ACF)activities involving mobile teams in hard-to-reach areas.This study revealed the contribution of mobile team activities to total tuberculosis(TB)case detection,characteristics of TB patients detected by mobile teams and their treatment outcomes.Methods:This was a descriptive study using routine programme data between October 2014 and December 2014.Mobile team activities were a one-stop service and included portable digital chest radiography(CXR)and microscopy of two sputum samples.The algorithm of the case detection included screening patients by symptoms,then by CXR followed by sputum microscopy for confirmation.Diagnosed patients were started on treatment and followed until a final outcome was ascertained.Results:A total of 9349 people with symptoms suggestive of TB were screened by CXR,with an uptake of 96.6%.Of those who were meant to undergo sputum smear microscopy,51.4%had sputum examinations.Finally,504 TB patients were identified by the mobile teams and the overall contribution to total TB case detection in the respective townships was 25.3%.Among total cases examined by microscopy,6.4%were sputum smear positive TB.Treatment success rate was high as 91.8%in study townships compared to national rate 85%(2014 cohort).Conclusions:This study confirmed the feasibility and acceptability of ACF by mobile teams in hard-to-reach contexts,especially when equipped with portable,digital CXR machines that provided immediate results.However,the follow-up process of sputum examination created a significant barrier to confirmation of the diagnosis.In order to optimize the ACF through mobile team activity,future ACF activities were needed to be strengthened one stop service including molecular diagnostics or provision of sputum cups to all presumptive TB cases prior to CXR and testing if CXR suggestive of TB. 展开更多
关键词 Mobile team Active case finding Chest X-ray Treatment outcomes
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