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Detection and determination of sulfuric acid aerosol - difficulties in trapping. 硫酸气溶胶的检测和测定。捕集困难。
Environmental letters Pub Date : 1975-01-01 DOI: 10.1080/00139307509437446
J W Robinson, W M Reid
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引用次数: 2
Determination of nickel and vanadium in the atmosphere of eastern Massachusetts. 马萨诸塞州东部大气中镍和钒的测定。
Environmental letters Pub Date : 1975-01-01 DOI: 10.1080/00139307509437448
E F Barry, M T Rei, H H Reynolds, J O'Brien
{"title":"Determination of nickel and vanadium in the atmosphere of eastern Massachusetts.","authors":"E F Barry, M T Rei, H H Reynolds, J O'Brien","doi":"10.1080/00139307509437448","DOIUrl":"https://doi.org/10.1080/00139307509437448","url":null,"abstract":"","PeriodicalId":11979,"journal":{"name":"Environmental letters","volume":"8 4","pages":"381-5"},"PeriodicalIF":0.0,"publicationDate":"1975-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://sci-hub-pdf.com/10.1080/00139307509437448","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"12327235","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 4
Atmospheric formation of carbon tetrachloride from tetrachloroethylene. 四氯乙烯在大气中形成四氯化碳。
Environmental letters Pub Date : 1975-01-01 DOI: 10.1080/00139307509435827
H B Singh, D Lillian, A Appleby, L Lobban
{"title":"Atmospheric formation of carbon tetrachloride from tetrachloroethylene.","authors":"H B Singh, D Lillian, A Appleby, L Lobban","doi":"10.1080/00139307509435827","DOIUrl":"https://doi.org/10.1080/00139307509435827","url":null,"abstract":"","PeriodicalId":11979,"journal":{"name":"Environmental letters","volume":"10 3","pages":"253-6"},"PeriodicalIF":0.0,"publicationDate":"1975-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://sci-hub-pdf.com/10.1080/00139307509435827","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"12389020","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 36
Detection and measurement of aromatic hydrocarbons in the air by a coated piezoelectric crystal detector. 涂层压电晶体探测器对空气中芳烃的检测与测量。
Environmental letters Pub Date : 1975-01-01 DOI: 10.1080/00139307509435825
K H Karmarkar, G G Guilbault
{"title":"Detection and measurement of aromatic hydrocarbons in the air by a coated piezoelectric crystal detector.","authors":"K H Karmarkar, G G Guilbault","doi":"10.1080/00139307509435825","DOIUrl":"https://doi.org/10.1080/00139307509435825","url":null,"abstract":"Abstract Nujol with trans-IrCl(CO)(PPh3)2 complex, is used as a coating for piezoelectric crystal detector. The device preferentially detects some aromatic hydrocarbons in air over aliphatic ones. The effect of atmospheric moisture is minimal.","PeriodicalId":11979,"journal":{"name":"Environmental letters","volume":"10 3","pages":"237-46"},"PeriodicalIF":0.0,"publicationDate":"1975-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://sci-hub-pdf.com/10.1080/00139307509435825","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"12389144","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 27
Introduction: Factors in the outbreak and control of red tides. 导读:赤潮爆发及控制的因素。
Environmental letters Pub Date : 1975-01-01 DOI: 10.1080/00139307509435839
G M Padilla, D F Martin
{"title":"Introduction: Factors in the outbreak and control of red tides.","authors":"G M Padilla, D F Martin","doi":"10.1080/00139307509435839","DOIUrl":"https://doi.org/10.1080/00139307509435839","url":null,"abstract":"","PeriodicalId":11979,"journal":{"name":"Environmental letters","volume":"9 2","pages":"99-101"},"PeriodicalIF":0.0,"publicationDate":"1975-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://sci-hub-pdf.com/10.1080/00139307509435839","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"12415866","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 1
Virus association with wastewater solids. 病毒与废水固体的关联。
Environmental letters Pub Date : 1975-01-01 DOI: 10.1080/00139307509435823
D O Cliver
{"title":"Virus association with wastewater solids.","authors":"D O Cliver","doi":"10.1080/00139307509435823","DOIUrl":"https://doi.org/10.1080/00139307509435823","url":null,"abstract":"<p><p>The solids produced at an urban wastewater treatment plant, tested semiquantitatively, almost all contained human intestinal viruses. Reoviruses and five or more types of enteroviruses were present. Sludge, digested anaerobically at 30 degrees-32 degrees C, and grit contained measurable levels of viruses. Until reliable means of inactivating the viruses have been developed and implemented, great care should be taken in disposing of these solids.</p>","PeriodicalId":11979,"journal":{"name":"Environmental letters","volume":"10 3","pages":"215-23"},"PeriodicalIF":0.0,"publicationDate":"1975-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://sci-hub-pdf.com/10.1080/00139307509435823","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"11392700","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 23
An environmental and energy information system. 环境和能源信息系统。
Environmental letters Pub Date : 1975-01-01 DOI: 10.1080/00139307509435867
G U Ulrikson, G M Caton, M P Guthrie, H F McDuffie
{"title":"An environmental and energy information system.","authors":"G U Ulrikson,&nbsp;G M Caton,&nbsp;M P Guthrie,&nbsp;H F McDuffie","doi":"10.1080/00139307509435867","DOIUrl":"https://doi.org/10.1080/00139307509435867","url":null,"abstract":"<p><p>The Environmental Information System Office (EISO) at Oak Ridge National Laboratory (ORNL) provides information support for researchers and administrators involved with energy and environmental policy and progress. Multiple EISO activities for various governmental agencies have resulted in establishment of compatible data bases concerned with energy environmental information, methods for effectively developing these, development and computer display of numerical daya summaries, and reports evaluating published information. Direction is provided by continuing dialogue between users and information system staff.</p>","PeriodicalId":11979,"journal":{"name":"Environmental letters","volume":"9 4","pages":"431-42"},"PeriodicalIF":0.0,"publicationDate":"1975-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://sci-hub-pdf.com/10.1080/00139307509435867","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"12368907","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
The oxidation of arsenite in seawater. 海水中亚砷酸盐的氧化。
Environmental letters Pub Date : 1975-01-01 DOI: 10.1080/00139307509437429
D L Johnson, M E Pilson
{"title":"The oxidation of arsenite in seawater.","authors":"D L Johnson,&nbsp;M E Pilson","doi":"10.1080/00139307509437429","DOIUrl":"https://doi.org/10.1080/00139307509437429","url":null,"abstract":"<p><p>The oxidation rate of arsenite in seawater is very slow. Of the parameters investigated which might affect this rate the most important were temperature, initial arsenite concentration, salinity and pH. An empirical rate expression was developed from experimental data which led to a prediction that the natural rate of oxidation in the ocean is about 0.023 micromoles of As(III) per liter each year. This value is about twice the natural concentration of arsenite; the only mechanism which seems able to account for the continued presence of arsenite is biological reduction of arsenate.</p>","PeriodicalId":11979,"journal":{"name":"Environmental letters","volume":"8 2","pages":"157-71"},"PeriodicalIF":0.0,"publicationDate":"1975-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://sci-hub-pdf.com/10.1080/00139307509437429","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"11451568","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 78
Investigation of the transport of metals and orthophosphate away from a sewage treatment plant outfall. 金属和正磷酸盐从污水处理厂出水口转移的调查。
Environmental letters Pub Date : 1975-01-01 DOI: 10.1080/00139307509435817
S M Bailey, G R Helz, R L Harris
{"title":"Investigation of the transport of metals and orthophosphate away from a sewage treatment plant outfall.","authors":"S M Bailey,&nbsp;G R Helz,&nbsp;R L Harris","doi":"10.1080/00139307509435817","DOIUrl":"https://doi.org/10.1080/00139307509435817","url":null,"abstract":"<p><p>The distribution of O2, chlorophyll a, alkalinity, phosphate, Ca, Mg, Mn, Fe, Cu, Zn, Cd and Pb has been measured in the discharge plume of the large sewage treatment plant on Back River, Maryland. The concentrations of phosphate and the trace metals decrease downstream more rapidly than can be accounted for by conservative dilution. Solubility calculations suggest that saturation with respect to phosphate or oxyhydroxide phases could limit the mobility of phosphate, Fe, Mn, and Pb. For Cu, Zn, and Cd, saturation is not a feasible control mechanism, and other processes such as biofixation or adsorption are probably involved.</p>","PeriodicalId":11979,"journal":{"name":"Environmental letters","volume":"10 2","pages":"159-69"},"PeriodicalIF":0.0,"publicationDate":"1975-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://sci-hub-pdf.com/10.1080/00139307509435817","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"12381183","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 4
Field studies on ozone inactivation of a Gymnodinium breve toxin. 一种梭子草毒素臭氧灭活的实地研究。
Environmental letters Pub Date : 1975-01-01 DOI: 10.1080/00139307509435848
W J Blogoslawski, F P Thurberg, M A Dawson, M J Beckage
{"title":"Field studies on ozone inactivation of a Gymnodinium breve toxin.","authors":"W J Blogoslawski,&nbsp;F P Thurberg,&nbsp;M A Dawson,&nbsp;M J Beckage","doi":"10.1080/00139307509435848","DOIUrl":"https://doi.org/10.1080/00139307509435848","url":null,"abstract":"<p><p>Water samples were collected from Boca Ciega Bay (St. Petersburg) during the April, 1974, red tide that occurred on the Florida west coast. The causative agent of this phenomenon was the toxic dinoflagellate, Gymnodinium breve. The toxic red tide samples were treated with ozone gas and rendered nonlethal, as measured by mouse injection.</p>","PeriodicalId":11979,"journal":{"name":"Environmental letters","volume":"9 2","pages":"209-15"},"PeriodicalIF":0.0,"publicationDate":"1975-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://sci-hub-pdf.com/10.1080/00139307509435848","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"12381188","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 9
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