科學(xué)家應(yīng)用LGR液態(tài)水同位素分析儀做同位素示蹤研究，研究證明，重碳酸鹽的修正可以提高被鈾污染的含水層的生物還原修復(fù)能力。Bicarbonate impact on U(VI) bioreduction in a shallow alluvial aquiferPhilip E. Longa , Kenneth H. Williamsa, James A. Davisa, Patricia M. Foxa, Michael J. Wilkinsb, 1,Steven B. Yabusakib, Yilin Fangb, Scott R. Waichlerb, Elena S.F. Bermanc, Manish Guptac, Darrell P. Chandlerd, Chris Murrayb, Aaron D. Peacocke, Ludovic Giloteauxf, Kim M. Handleyg, 2, Derek R. Lovleyh,Jillian F. Banfieldg a Lawrence Berkeley National Laboratory, Ber...
發(fā)布時(shí)間:
2015
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瀏覽次數(shù)：33
Direct Analysis of δ2H and δ18O in Natural and Enriched Human Urine Using Laser-Based, Off-Axis Integrated Cavity Output Spectroscopy應(yīng)用LGR液態(tài)水穩(wěn)定同位素分析儀測(cè)量尿液中的氫氧同位素 Elena S. F. Berman *?, Susan L. Fortson ?, Steven P. Snaith ?, Manish Gupta ?, Douglas S. Baer ?,Isabelle Chery ?, Stephane Blanc ?, Edward L. Melanson §, Peter J. Thomson ⊥, and John R. Speakman ⊥∥? Los Gatos Research, 67 East Evelyn Ave, Suite 3, Mountain View California 94043, United States? Department of Ecology, Physiology...
發(fā)布時(shí)間:
2015
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01
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27
瀏覽次數(shù)：82
LGR的專利技術(shù)—利用腔增強(qiáng)激光吸收光譜法，記錄高吸收光譜，能夠精確的測(cè)量葡萄酒中的同位素比值。LGR擁有專業(yè)的光譜污染標(biāo)識(shí)軟件（軟件測(cè)量植物水的精確數(shù)據(jù)在權(quán)威期刊上發(fā)表過），這使得儀器可以測(cè)量葡萄酒中的甲醇和乙醇污染物，從而得到可靠的同位素比值數(shù)據(jù)。 Laser-based measurements of 18O/16O stable isotope ratios (δ18O) in wine samples應(yīng)用LGR液態(tài)水穩(wěn)定同位素分析儀測(cè)量葡萄酒中的穩(wěn)定同位素比值18O/16O和δ18O Manish Gupta1 J Brian Leen1 Elena Simone Franklin Berman1 Aldo Ciambotti21Los Gatos Research, Mountain View, CA, USA;2Consiglio per la Ricerca e la Sperimentazione in Agricoltura, Centro di Ricerca per l’Enologia, Asti, Italy Abstract: Wine counterfeiting is an international, m...
發(fā)布時(shí)間:
2015
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27
瀏覽次數(shù)：45
LGR 二氧化碳同位素分析儀最新應(yīng)用：應(yīng)用LGR二氧化碳同位素分析儀，通過測(cè)定腸易激綜合癥患者的呼出氣體中的13CO2和12CO2的同位素分子比率，可以對(duì)患者體內(nèi)小腸細(xì)菌過度生長(zhǎng)情況做出正確診斷Diagnosis of small intestinal bacterial overgrowth in irritable bowel syndrome patients using high-precision stable 13CO2/12CO2 isotope ratios in exhaled breath Gourab D. Banik,a Abhijit Maity,a Suman Som,a Chiranjit Ghosh,a Sunil B. Daschakraborty,b Sujit Chaudhuri,b Shibendu Ghoshc and Manik Pradhan*ad Hydrogen breath tests (HBT) are widely used for the d...
發(fā)布時(shí)間:
2015
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01
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22
瀏覽次數(shù)：50
Short-term e?ects of thinning, clear-cutting and stump harvesting on methane exchange in a boreal forest關(guān)于人類對(duì)北方森林的疏伐、濫砍濫伐和樹樁采伐對(duì)甲烷交換的短期影響 E. Sundqvist1, P. Vestin1, P. Crill2, T. Persson3, and A. Lindroth1 1Department of Physical Geography and Ecosystem Science, Lund University, Sweden 2Department of Geological Sciences, Stockholm University, Sweden 3Department of Ecology, Swedish University of Agricultural Sciences, Sweden原文鏈接：http://www.biogeosciences-discuss.net/11/4637/2014/bgd-11-4637-2014.pdf
發(fā)布時(shí)間:
2015
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01
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05
瀏覽次數(shù)：53
Short-term e?ects of thinning, clear-cutting and stump harvesting on methane exchange in a boreal forest關(guān)于人類對(duì)北方森林的疏伐、濫砍濫伐和樹樁采伐對(duì)甲烷交換的短期影響 E. Sundqvist1, P. Vestin1, P. Crill2, T. Persson3, and A. Lindroth1 1Department of Physical Geography and Ecosystem Science, Lund University, Sweden 2Department of Geological Sciences, Stockholm University, Sweden 3Department of Ecology, Swedish University of Agricultural Sciences, Sweden 原文鏈接：http://www.biogeosciences-discuss.net/11/4637/2014/bgd-11-4637-2014.pdfShort-term e?ects of thinning, clear-cutting and stump harve12f9fc...
發(fā)布時(shí)間:
2015
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01
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05
瀏覽次數(shù)：42
In Situ Measurement of Dissolved Methane and Carbon Dioxide in Freshwater Ecosystems by Off-Axis Integrated Cavity Output Spectroscopy應(yīng)用LGR離軸積分腔輸出光譜技術(shù)原位測(cè)量淡水生態(tài)系統(tǒng)中的溶解甲烷和二氧化碳 Gonzalez-Valencia R1, Magana-Rodriguez F, Gerardo-Nieto O, Sepulveda-Jauregui A, Martinez-Cruz K, Anthony KW, Baer D, Thalasso F. AbstractA novel low-cost method for the combined, real-time, and in situ determination of dissolved methane and carbon dioxide concentrations in freshwater ecosystems was designed and developed. This method is based on the continuous sampling of water from a freshwater ecosystem to a gas...
發(fā)布時(shí)間:
2014
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12
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25
瀏覽次數(shù)：158
瑞士科學(xué)家應(yīng)用LGR快速甲烷分析儀在空中測(cè)量甲烷氣體排放 奶牛是最能代表瑞士的動(dòng)物，為這個(gè)國(guó)家生產(chǎn)奶酪，巧克力和牛奶，同時(shí)，也不斷排放一種溫室氣體：甲烷。甲烷對(duì)氣候變化的影響，是二氧化碳的20倍?，F(xiàn)在，ABB旗下的LGR機(jī)載型快速甲烷分析儀為科學(xué)家們提供了可靠的工具來測(cè)量這一乳業(yè)副產(chǎn)品—甲烷。更多信息，請(qǐng)瀏覽：http://www.abb.com/cawp/seitp202/35E15CA4261E301BC1257D16003F6A08.aspx https://plus.google.com/102984631679721608539/posts/9dWxQEj3qEq
發(fā)布時(shí)間:
2014
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07
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23
瀏覽次數(shù)：67
NOAA使用LGR的CO分析儀來提高主要?dú)怏w的參考標(biāo)準(zhǔn)，之所以選用LGR CO分析儀，是因?yàn)樗兄叩臏?zhǔn)確性、精確度和線性相關(guān)度。詳情請(qǐng)?jiān)L問網(wǎng)址：http://www.wmo.int/pages/prog/arep/gaw/documents/CO_scale_X2014-notice.pdf或者查看如下附件： CO_scale_X2014-notice.pdfacc77c567b1f7446c11b5d76b0e55842.pdf (143.68 KB)
發(fā)布時(shí)間:
2014
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05
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29
瀏覽次數(shù)：69
Where does streamwater come from in low relief forested watersheds? A dual isotope approach探訪低起伏森林流域中溪水的來源 J. Klaus1,2, J. J. McDonnell2,3, C. R. Jackson4, E. Du5, and N. A. Griffiths6 1Centre de Recherche Public – Gabriel Lippmann, Department of Environment andAgro-biotechnologies, Belvaux, Luxembourg2Global Institute for Water Security, University of Saskatchewan, Saskatoon, SK, Canada3University of Aberdeen, School of Geosciences, Aberdeen, UK4Warnell School of Forestry and Natural Resources, University of Georgia, Athens, GA, USA5Climate Science Department, Lawrence Ber...
發(fā)布時(shí)間:
2014
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03
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17
瀏覽次數(shù)：38