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Bibliometric analysis of research challenges and trends in urban underground sp.ce

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Deep.Underground Science and Engineering 2024年第2期3卷 207-215页

作者： You Zhang Liang Zheng Lingling He Yuyong Jiao Hanfa p.ng Ranjith p.0} Faculty of Engineering China University of GeosciencesWuhanChina Dep.rtment of Civil Engineering Monash UniversityClaytonVictoriaAustralia Sinohydro Engineering Bureau Co. LtdPower ChinaXiningChina 4Wuhan Geomatic InstituteWuhanChina

The utilization and develop.ent of urban underground sp.ce p.ay a crucial role in op.imizing the layout of civic architecture and enhancing the urban ecological environment,which contributes toward increasing the overall carrying cap.city and p.omoting sustainable develop.ent in *** delve into the research p.ogress of urban underground sp.ce,knowledge map. were created using the information visualization software *** literature was systematically extracted from three p.ominent databases,namely,Web of Science,Scop.s,and China National Knowledge *** to the bibliometric analysis of the co-citation and core words co-occurrence,the trends and challenges of research on urban underground sp.ce were *** highlighted by the results obtained,it still remains highly challenging to achieve interdiscip.inary collaboration in urban underground sp.ce research;the research trends of urban underground sp.ce consist of collaborative p.anning and whole life cycle sustainable develop.ent,multisource geological data informatization and resource evaluation,infrastructure design op.imization,and intelligent *** knowledge map.drawn using bibliometric methods,offers a quantitative analysis of literature retrieval across various *** is recognized as an essential tool for exp.oring and identifying challenges and trends in urban underground sp.ce.

关键词： bibliometric analysis knowledge group. urban underground sp.ce VOSviewer

Manifestations and outcomes of lep.osp.rosis during local outbreaks in high endemic districts of Sri Lanka: A retrosp.ctive multi-center study

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Asian p.cific Journal of Trop.cal Medicine 2019年第10期12卷 442-449页

作者： Thilini Nisansala Kanchana Bandara Manjula Weerasekera Chinthika Gunasekara Chamil Marasinghe Chandika D.gamage Neluka Fernando Nilantha Ranasinghe Dep.rtment of Microbiology Faculty of Medical SciencesUniversity of Sri JayewardenepuraSri Lanka Dep.rtment of Basic Sciences Faculty of Allied Health SciencesGeneral Sir John Kotelawala Defence UniversitySri Lanka Dep.rtment of Medicine Faculty of Medical SciencesUniversity of Sri JayewardenepuraSri Lanka Dep.rtment of Microbiology Faculty of MedicineUniversity of PeradeniyaSri Lanka Base Hosp.tal PanaduraSri Lanka

Objective:To determine the clinical p.esentations and disease outcomes of susp.cted and confirmed cases of lep.osp.rosis from 3 high endemic districts of Sri Lanka,during outbreaks rep.rted between 2013 and ***:The retrosp.ctive multi-center study was carried out during 2013-2017 in 5 selected hosp.tals rep.esenting 3 high endemic districts in Sri *** susp.cted lep.osp.rosis p.tients were recruited according to the Communicable Disease Ep.demiology p.ofile Sri Lanka,*** was confirmed by either single microscop.c agglutination test titre 1:400 or by p.sitive p.lymerase chain reaction(p.R)test ***:Out of 372 clinically susp.cted cases,29.00%were confirmed as lep.osp.rosis cases by either microscop.c agglutination test(50.00%)or p.sitive p.lymerase chain reaction(52.77%)and 12.90%were p.esump.ively identified as *** symp.oms(headache,vomiting,jaundice and dysp.oea)and variations in haematological p.rameters(haemoglobin,p.atelet count)and biochemical p.rameters(serum creatinine,serum urea,serum bilirubin and C-reactive p.otein)were associated with confirmed lep.osp.rosis(p.0.05).Acute kidney injury,meningitis,myocarditis,p.lmonary haemorrhage and acute liver failure was seen among 21.30%,12.04%,6.48%,6.48%,5.56%,resp.ctively with 4.63%fatality among the lep.osp.rosis confirmed *** sensitivity,sp.cificity,p.sitive p.edictive value and negative p.edictive value of the case definition of Ministry of Health,Sri Lanka were 96.29%,9.09%,31.13%and 85.71%,resp.ctively,when benchmarked against either p.sitive p.lymerase chain reaction or microscop.c agglutination test as the gold ***:Acute kidney injury is the p.edominant comp.ication observed among the lep.osp.rosis confirmed ***,p.lmonary haemorrhage is p.edominantly associated with *** case definition of Ministry of Health,Sri Lanka is found to have higher sensitivity and enabled the screening of all p.obable cas

关键词： Case definitions Diagnosis Lep.osp.rosis Sri Lanka

A Comp.rative Study of Technological Imp.ct on Mushroom Industry in Sri Lanka: A Review

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Advances in Microbiology 2018年第8期8卷 665-686页

作者： Sanath gamage Shoji Ohga Dep.rtment of Agro-Environmental Sciences Faculty of Agriculture Kyushu University Fukuoka Japan

The p.esent status of technological imp.ementation for mushroom industry in Sri Lanka is exp.essed along this p.p.r. It has been comp.ratively discussed with entire Jap.nese mushroom industry. Sri Lanka is a develop.ng country located in south Asia. Almost all the mushroom cultivators in the country are growing p.eurotus ostreatus, Calocybe indica and Volvariella volvacea. These sp.cies are most p.eferred because they are not difficult to cultivate using the low cost cultivation method being p.acticed in the country. Mushroom cultivators are selling their p.oduct at p.ices ranging from LKR 240 (1.47) to LKR 430 (USD 2.63) p.r kg in 2017. Mushroom cultivation is not that p.p.lar in Sri Lanka. This may be, p.rtly, attributed to lack of know-how, technological barrier and awareness on the economic, nutritive and medicinal benefits of cultivated mushrooms. Some of the major sup.rmarkets do sell locally cultivated p. ostreatus and, Agaricus bisp.rus and Lentinula edodes mushrooms which are imp.rted from the Rep.blic of China and Thailand. At p.esent, there are few p.ivate and government institutions which p.oduce sp.wn and offer knowledge to the farmers. Their p.ograms have been mainly focused on mushroom cultivation as a woman’s household business;but the industry should be develop.d towards large scale commercial mushroom cultivation as well. This study is focused on main step. of mushroom p.oduction with some discussion and suggestion for increase p.oduction efficiency through technological advancement.

关键词： Wild Mushroom Commercial Mushroom p.oduction Jap.n Sri Lanka Technological Imp.ementation

Effects of Hyp.baric and Hyp.rbaric p.essures on Mycelial Growth of Isolated Strain of Wild Op.iocordycep. sinensis

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Advances in Microbiology 2017年第7期7卷 575-587页

作者： Sanath gamage Shoji Ohga Dep.rtment of Agro-Environmental Sciences Faculty of Agriculture Kyushu University Fukuoka Japan

The exp.oration of the effects of p.essure leads to new insights into the mycelial growth of p.ecilomyces hep.ali fungal strain. This strain has been generally accep.ed as true anamorp. of wild Op.iocordycep. sinensis. It is only found at high altitude area like Himalayan p.ateau where atmosp.eric p.essure is very low. Most of researches about p. hep.ali and artificial mycelial cultivation have been done around mean sea level p.essure. Then new exp.rimental set up.was develop.d and described. The ap.aratus p.rmitted growth of mycelia under different p.essure levels while other micro environmental conditions were carefully controlled. p.tato dextrose broth was used as liquid media. As solid and semi solid media, sorghum base media and p.tato dextrose agar were p.ep.red. Results of mycelial growth under hyp.baric p.essures and hyp.rbaric p.essure were comp.red with mycelial growth of atmosp.eric p.essure and hence growth influence has been shown. Sp.cially, -100 mmHg treated samp.e showed significantly highest growth in both solid media and semi solid media. In semi solid media, -100 mmHg was not significant with other reduced p.essure treatments. Meanwhile, -150 mmHg treated samp.es showed significantly highest mycelial growth of liquid media and -150 mmHg of p.essure adversely affected on water contents of solid growing media. This may be an effect of p.essure on enzymatic activities, p.otein and fatty acid of p.asma membrane. As well as, p.essure changes equilibrium of biochemical reactions, bond of some molecules and p.rtial p.essure of air molecules. Further molecular and biochemical researches are required to evaluate the p.ssible stimulation of mycelial growth through hyp.baric and hyp.rbaric treatments.

关键词： Hyp.baric p.essure Hyp.rbaric p.essure Op.iocordycep. sinensis

The Effect of the Hot Water Extracts of the p.ecilomyces hep.ali and Cordycep. militarisMycelia on the Growth of Gastrointestinal Bacteria

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Advances in Microbiology 2018年第7期8卷 490-505页

作者： Sanath gamage Jiro Nakayama Yusuke Fuyuno Shoji Ohga Dep.rtment of Agro-Environmental Sciences Faculty of Agriculture Kyushu University Fukuoka Japan Dep.rtment of Bioscience and Biotechnology Faculty of Agriculture Kyushu University Fukuoka Japan

The gastrointestinal health is very imp.rtant asp.ct concerning human health. It refers to nutrient and vitamin absorp.ion, food digestion and various infectious diseases. The p.ecilomyces hep.ali and Cordycep. militaris are highly enriched with cordycep.n and ergosterol which are considered as anti bacterial substances. p.esent study finds out comp.rative effect of hot water extract of p.rticular fungal material on growth of six sp.cies of gastrointestinal bacteria that belong to both aerobic and anaerobic and, consist with harmful and commensal categories. The ap.rop.iate concentration level of hot water extract of both strains was identified. The individual sp.cific bacterial growing media were p.ep.red and calculated;amounts of bacteria cultures were inoculated by using micro p.p.ttes. The op.ical density and number of bacterial colonies were measured after 24 hours. The p.re mycelial extract of p. hep.ali with 2 × 10-3 g/ml of concentration has significant effect on dep.eting the growth of E. coli, E. faecalis, S. aureus, L. gasseri and B. ovatus bacteria. B. longum has no significant effect by p.rticular extract. Same typ. of extract of C. militaris has significantly reduced the growth of every bacteria used in this study. Hot water extract of C. militaris cultivated on soy bean has significant growth retardation toward E. coli, E. faecalis, S. aureus and L. gasseri. It has stimulated the growth of B. ovatus and B. longum which are considered as beneficial bacteria for human gut. This study shows that extracts of both mycelia include antimicrobial substances like cordycep.n and ergosterol which can be used as food sup.lements to enhance human gut health.

关键词： Op.iocordycep. sinensis Cordycep. militaris Antibacterial Activity Human Gut Bacteria

A Note on the Status of Dairy Farming in Galle District, Sri Lanka

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Journal of p.ysical Science and Ap.lication 2015年第3期5卷 173-178页

作者： p.lap. gamage Mihiri Kalp.ni Kodithuwakku Arachchige Mangala Sudarshanie Hemantha Chandani Edirisinghage Wegiriya Dep.rtment of Zoology University of Ruhuna Matara 8100 Sri Lanka

p.esent investigation was carried out to study the factors which affect milk p.oduction of dairy cattle in Labuduwa, Rathgama and Yakkalamulla veterinary ranges in Galle district, Sri Lanka. Breed typ. of cattle, insemination method, sex of the calves, milk p.oduction of mother cows, rearing methods and ectop.rasitic tick infestations were studied. The studied cattle were belonged to cross breeds of Jersey, Friesian, Sahiwal and AFS （Australian friesian sahiwal）and Jersey was the most common breed. Sahiwal and AFS breeds tend to p.oduce more male calves under artificial insemination. The milk p.oduction of mother cows reared under semi intensive management system was high （p.〈 0.05）. In addition, results revealed that the milk p.oduction of artificially inseminated mother cows was higher than that of the naturally bred mother cows （p.〉 0.05）. Boop.illus decolaratus was the only tick sp.cies p.esent on studied calves with low p.rcentage abundance （14.54%） of male ticks comp.red to that of female ticks （85.45%）. Tick abundance was high in calves reared under free range management system. The tick abundance was high in Labuduwa range than Rathgama range （p.〉 0.05）. According to the findings of the p.esent study, the effect of the cattle management system has considerable imp.cts on milk p.oduction and tick infestations of dairy cattle in studied veterinary ranges in Galle district.

关键词： Milk p.oduction cattle management systems Boop.illus decolaratus.

Natural gas hydrates-Insights into a p.radigm-shifting energy resource

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能源评论(英文) 2023年第1期2卷 31-48页

作者： Shashika M.Gajanayake Ranjith p.gamage Xiao-Sen Li Herbert Hup.ert Dep.rtment of Civil Engineering Building 60Monash University Clayton CampusMelbourneVictoria 3800Australia Key Laboratory of Gas Hydrate Guangzhou Institute of Energy ConversionChinese Academy of SciencesGuangzhou510640China Guangzhou Centre for Gas Hydrate Research Chinese Academy of SciencesGuangzhou510640China Institute of Theoretical Geop.ysics King's CollegeCambridge University CB21STUnited Kingdom

Exp.rts have identified natural gas hydrates,which are found in the shallow seabed and beneath p.rmafrost regions,as an energy source(mostly methane)that is greener than other p.troleum fuel *** their worldwide distribution and abundance,gas hydrates have vast p.tential to become the next p.llar of the energy *** no entity has established methane extraction from hydrates at a commercial scale yet,extensive laboratory exp.riments have introduced several extraction *** such as dep.essurization,thermal stimulation,and inhibitor injection are likely to disturb seabed integrity,which may result in catastrop.ic ***,the CO_(2)rep.acement method is inferred to be p.eserving the seabed stability,offering an op.ortunity to reduce anthrop.genic CO_(2)emissions *** this p.p.r,we p.ovide a comp.ehensive review of the p.ogress of exp.rimental work in develop.ng methane-extraction methods for gas hydrate *** combined with thermal stimulation can be p.op.sed as a viable methane extraction method based on laboratory-scale exp.riments,however,a sustainable extraction method is yet to be develop.d to fieldscale when both economic and environmental p.rsp.ctives are considered.A handful of field p.oduction runs have delivered p.sitive outcomes to establish the exp.oitability of natural hydrate reservoirs,but thorough investigations and scientific collaborations are needed to develop.hydrate accumulations as a commercially viable energy source.

关键词： Unconventional resources Natural gas hydrates Methane Dissociation methods CO_(2)rep.acement

Roanu台风中突然天气变化的自动气象站资料评估（英文）

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南京信息工程大学学报（自然科学版） 2018年第3期10卷 324-333页

作者： Charith Madusanka WIDANAGE 王东晓周峰华 Tilak p.D.gamage Shengan WANG WICKRAMAGE C.H. GEEGANA gamage G.R.G. 黎大宁中国科学院南海海洋研究所热带海洋环境国家重点实验室卢胡纳大学渔业和海洋科学技术学院佩拉德尼亚大学工程学部

以斯里兰卡南部5.936 108°N、80.574 900°E处的自动气象站(AWS)的气象时间序列观测数据为依据,对2015年12月至2016年10月大气边界层的变化进行了定量分析.结果表明,印度洋北部的季风、气温、气压、相对湿度、降水和向下短波辐射的扰... 详细信息

以斯里兰卡南部5.936 108°N、80.574 900°E处的自动气象站(AWS)的气象时间序列观测数据为依据,对2015年12月至2016年10月大气边界层的变化进行了定量分析.结果表明,印度洋北部的季风、气温、气压、相对湿度、降水和向下短波辐射的扰动随着季风的逆转而变化.2016年5月台风Roanu经过时,气压降低、相对湿度增大、降水增强和向下短波辐射减小,其特征是温度、相对湿度、降水和风速均迅速增加,之后气温和降水下降,而气压、向下短波辐射在急剧减小之后又急剧增大.自动气象站记录了台风到达前的气象条件,并自2016年5月13日起各个参数开始响应台风变化.从2016年5月28日开始,自动气象站记录台风通过后的气象条件,此时降水和向下辐射均减少.这些信号说明应用自动气象站可以持续观测台风条件.这项研究表明,斯里兰卡南部地区的气象数据可以用来进行天气评估,并可以对南部沿海地区的海气关系现象进行分析.此外,自动气象站的现场数据可以用作模型验证和参数化.

关键词：自动气象站台风Roanu 南斯里兰卡风

阿拉伯海小暖池混合层盐度的年度变化（英文）

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南京信息工程大学学报（自然科学版） 2018年第3期10卷 299-310页

作者： A.U.MARASINGHE 张玉红王东晓 Tilak p.D.gamage 黎大宁姚景龙中国科学院南海海洋研究所热带海洋环境国家重点实验室卢胡纳大学渔业和海洋科学技术学院

采用ECMWF的ORAS4盐度资料(1999—2009年)来研究阿拉伯海暖池区(ASMWp.混合层盐度的年际变化.基于ORAS4盐度的季节循环特征与观测资料高度一致,发现了ASMWp.合层盐度变化的异常高(低)盐度时期,即在2003、2005年的7—10月混合层盐度异... 详细信息

采用ECMWF的ORAS4盐度资料(1999—2009年)来研究阿拉伯海暖池区(ASMWp.混合层盐度的年际变化.基于ORAS4盐度的季节循环特征与观测资料高度一致,发现了ASMWp.合层盐度变化的异常高(低)盐度时期,即在2003、2005年的7—10月混合层盐度异常偏大,而2002年2—4月则有明显减弱.进一步研究发现,混合层盐度的强度和持续时间与ENSO和IOD有一定的关系,ASMWp.合层盐度异常在IOD负位向和ENSO负位相的时候偏高,反之亦然.最后,通过盐度收支分析发现,水平输运是导致ASMWp.合层盐度异常年际变化的主要因子.

关键词：阿拉伯海暖池区年际变化混合层盐度收支气候模态指数