The relative role of soil type and tree cover on water storageand transmission in northern headwater catchments科学家应用LGR液态水同位素分析仪在北部水源集中区域监测土壤类型与植被覆盖类型对水的存储和传输的影响Josie Geris,1* Doerthe Tetzlaff,1 Jeffrey McDonnell1,2 and Chris Soulsby11 Northern Rivers Institute, School of Geosciences, University of Aberdeen, Scotland, UK2 Global Institute for Water Security, National Hydrology Research Centre, University of Saskatchewan, Saskatoon, Canada Abstract:Soil water storage and stable isotopes dynamics were investigated in dominant soil–vegetation assemblages of a wet nor...
发布时间:
2015
-
02
-
26
浏览次数：47
科学家应用LGR液态水同位素分析仪做同位素示踪研究，研究证明，重碳酸盐的修正可以提高被铀污染的含水层的生物还原修复能力。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...
发布时间:
2015
-
02
-
04
浏览次数：33
Direct Analysis of δ2H and δ18O in Natural and Enriched Human Urine Using Laser-Based, Off-Axis Integrated Cavity Output Spectroscopy应用LGR液态水稳定同位素分析仪测量尿液中的氢氧同位素 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...
发布时间:
2015
-
01
-
27
浏览次数：81
LGR的专利技术—利用腔增强激光吸收光谱法，记录高吸收光谱，能够精确的测量葡萄酒中的同位素比值。LGR拥有专业的光谱污染标识软件（软件测量植物水的精确数据在权威期刊上发表过），这使得仪器可以测量葡萄酒中的甲醇和乙醇污染物，从而得到可靠的同位素比值数据。 Laser-based measurements of 18O/16O stable isotope ratios (δ18O) in wine samples应用LGR液态水稳定同位素分析仪测量葡萄酒中的稳定同位素比值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...
发布时间:
2015
-
01
-
27
浏览次数：45
LGR 二氧化碳同位素分析仪最新应用：应用LGR二氧化碳同位素分析仪，通过测定肠易激综合症患者的呼出气体中的13CO2和12CO2的同位素分子比率，可以对患者体内小肠细菌过度生长情况做出正确诊断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...
发布时间:
2015
-
01
-
22
浏览次数：50
Short-term effects of thinning, clear-cutting and stump harvesting on methane exchange in a boreal forest关于人类对北方森林的疏伐、滥砍滥伐和树桩采伐对甲烷交换的短期影响 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原文链接：http://www.biogeosciences-discuss.net/11/4637/2014/bgd-11-4637-2014.pdf
发布时间:
2015
-
01
-
05
浏览次数：53
Short-term effects of thinning, clear-cutting and stump harvesting on methane exchange in a boreal forest关于人类对北方森林的疏伐、滥砍滥伐和树桩采伐对甲烷交换的短期影响 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 原文链接：http://www.biogeosciences-discuss.net/11/4637/2014/bgd-11-4637-2014.pdfShort-term effects of thinning, clear-cutting and stump harve12f9fc...
发布时间:
2015
-
01
-
05
浏览次数：42
In Situ Measurement of Dissolved Methane and Carbon Dioxide in Freshwater Ecosystems by Off-Axis Integrated Cavity Output Spectroscopy应用LGR离轴积分腔输出光谱技术原位测量淡水生态系统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...
发布时间:
2014
-
12
-
25
浏览次数：149
瑞士科学家应用LGR快速甲烷分析仪在空中测量甲烷气体排放 奶牛是最能代表瑞士的动物，为这个国家生产奶酪，巧克力和牛奶，同时，也不断排放一种温室气体：甲烷。甲烷对气候变化的影响，是二氧化碳的20倍。现在，ABB旗下的LGR机载型快速甲烷分析仪为科学家们提供了可靠的工具来测量这一乳业副产品—甲烷。更多信息，请浏览：http://www.abb.com/cawp/seitp202/35E15CA4261E301BC1257D16003F6A08.aspx https://plus.google.com/102984631679721608539/posts/9dWxQEj3qEq
发布时间:
2014
-
07
-
23
浏览次数：67
NOAA使用LGR的CO分析仪来提高主要气体的参考标准，之所以选用LGR CO分析仪，是因为它有着更高的准确性、精确度和线性相关度。详情请访问网址：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)
发布时间:
2014
-
05
-
29
浏览次数：68