1. 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 breathGourab 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 Show AffiliationsJ. Anal. At. Spectrom., 2014,29, 1918-1924Hydrogen br...
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2016
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LI-2000植物土壤水分真空抽提系统使用方便，提取率高，是一款很有前途的提取土壤水分的设备，部分技术文献如下：1. 马雪宁， 张明军， 李亚举， 马 潜， 李小飞. 土壤水稳定同位素研究进展 ，土 壤 (Soils), 2012, 44 (4): 554-561摘 要： 本文从影响土壤水稳定同位素变化的因素、时空变化规律以及“土壤-植物-大气”界面水分转化和循环过程等方面综述了国内外土壤水同位素研究的主要成果，认为同位素方法在研究土壤水运移、降水入渗及土壤蒸发问题上优势比较明显，并且有助于从宏观和微观上阐明土壤水的特征及其运动规律；指出了当前土壤水分同位素研究存在的问题和今后研究的重点，并对同位素技术与方法在土壤水中应用前景进行了展望。2. 赵国琴，李小雁，吴华武，张思毅，李广泳. 青海湖流域具鳞水柏枝植物水分利用氢同位素示踪研究，植物生态学报， 2013, 37 (12): 1091–1100摘 要： 具鳞水柏枝(Myricaria squamosa)是我国高寒地区广泛分布的优势河谷灌木, 具有维持河谷湿地系统稳定的功能。然而, 目前国内外有关具鳞水柏枝水分利用来源的定量研究很少。该文运用氢稳定同位素示踪方法, 分析了青海湖流域具鳞水柏枝茎(木质部)水和潜在水源(地下水、河水和土壤水)的氢稳定同位素比率(δD...
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2016
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Measurement of extremely 2H-enriched water samples by laser spectrometry: application to batch electrolytic concentration of environmental tritium samples国际原子能机构（International Atomic Energy Agency -- IAEA）研究人员应用LGR水同位素分析仪测量高2H富集水样（备注：该文章是IAEA的研究人员独立发表的文章，具有权威性、客观性和独立性，亦可广泛使用。）IAEA的研究人员发表了一篇应用LGR水同位素分析仪（912-0032）测量高2H富集水样的文章，文章有2个目的：（1）论证基于OA-ICOS技术的水同位素分析仪可以快速获得高准确性和高精度的自然丰度水样和氘富集水样（delta_2H ~ +57,000‰）的δ2HVSMOW-SLAP 数值；（2）随后论证基于激光技术2H富集方法测量水样的效能，以促进进行批处理3H电解富集的环境氚水实验室的生产力。文章中还简要说明了应用CRDS分析仪测量高2H富集水样的情况（CRDS水同位素分析仪可测量数值约为750‰的δ2HVSMOW-SLAP样品，但两个样品之间需要大于20次以上的注射才可去除显著...
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2016
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UNSW researchers have used a new water-tracing technology in the Sydney Basin for the first time to determine how groundwater moves in the different layers of rock below the surface.新南威尔士大学（UNSW）研究人员在悉尼盆地首次应用新的水源示踪技术监测地表下不同岩层下的地下水运动 http://newsroom.unsw.edu.au/news/science-tech/new-water-tracing-technology-help-protect-sydney-basin-groundwater
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2016
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LGR的二氧化碳同位素分析仪帮助中国科学院的科学家监测“新鲜有机物的质量对土壤有机物的启动和微生物底物利用率模式的影响” Quality of fresh organic matter affects priming of soil organic matter and substrate utilization patterns of microbesHui Wang1, 2 , Thomas W. Boutton3 , Wenhua Xu1 , Guoqing Hu1, 2 , Ping Jiang1 , Edith Bai1 AbstractChanges in biogeochemical cycles and the climate system due to human activities are expected to change the quantity and quality of plant litter inputs to soils. How changing quality of fresh organic matter (FOM) might influence the priming effect (PE) o...
发布时间:
2015
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Rapid, Online Quantification of H2S in JP-8 Fuel Reformate Using Near-Infrared Cavity-Enhanced Laser Absorption Spectroscopy应用LGR激光痕量气体分析仪快速在线量化JP-8（特级航空材料）中的H2SFeng Dong†, Christian Junaedi‡, Subir Roychoudhury‡, and Manish Gupta*†† Los Gatos Research, 67 East Evelyn Avenue, Suite 3, Mountain View, California 94041, United States‡ Precision Combustion, Inc., 410 Sackett Point Road, North Haven, Connecticut 06473, United StatesAnal. Chem., 2011, 83 (11), pp 4132–4136DOI: 10.1021/ac200300tPublication Date (Web): May 3, 2011Copyright © 2011 American Chemical SocietyAbstractOn...
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2015
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Ecosystem carbon (CO2 and CH4) fluxes of a Populus dettoides plantationin subtropical China during and post clear-cutting Shenghua Gao a, Jiquan Chen b, Yuxi Tang c, Jing Xie d, Rui Zhang e, Jie Tang c, Xudong Zhang a,*a State Key Laboratory of Tree Genetics and Breeding, Research Institute of Forestry, Chinese Academy of Forestry, Beijing 100091, Chinab Center for Global Change and Earth Observations (CGCEO) and Department of Geography, Michigan State University, East Lansing, MI 48823, USAc Hunan Academy of Forestry, Chang...
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2015
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HYPERSPECTRAL REMOTE SENSING FOR DETECTION OF RHIZOCTONIA CROWN AND ROOT ROT IN SUGARBEETGregory J. Reynolds1, Carol E. Windels2, Ian V. MacRae3, and Soizik Laguette4Graduate Student, Professor, Associate Professor, and Assistant Professor, respectively1University of Minnesota, Department of Plant Pathology, St. Paul2University of Minnesota, Department of Plant Pathology and Northwest Research & Outreach Center, Crookston3University of Minnesota, Department of Entomology and Northwest Research & Outreach Center, Crookston4University of North Dakota, Department of Earth System Science a...
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2015
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DETECTION OF SUGARCANE AFRICAN STALK BORER ELDANASACCHARINA WALKER (LEPIDOPTERA: PYRALIDAE) USINGHYPERSPECTRAL REMOTE SENSING (SPECTRORADIOMETRY)应用ASD地物光谱仪检测蛀虫ELDANA SACCHARINA（鳞翅目：螟蛾科）对非洲甘蔗茎部的危害程度MOKHELE TA1, AHMED F1 and CONLONG DE2,31School of Environmental Sciences, University of KwaZulu-Natal, Durban, 4041, South Africa2South African Sugarcane Research Institute, Private Bag X02, Mount Edgecombe 4300, South Africa3School of Biological and Conservation Sciences, University of KwaZulu-Natal, Private Bag X01, Scottsville, 3209, South AfricaAbstractThe South African sugar industry i...
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2015
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LGR氧化亚氮同位素分析仪测量水中硝酸盐成功案例：Analytical Chemistry 文章：Combining Denitrifying Bacteria and Laser Spectroscopy for Isotopic Analyses (δ15N, δ18O) of Dissolved Nitrate通过反硝化细菌和激光同位素分析仪测定溶解硝酸盐中的δ15N和δ18ODavid X. Soto *†, Geoff Koehler †, and Keith A. Hobson †† Environment Canada, 11 Innovation Boulevard, Saskatoon, Saskatchewan, Canada, S7N 3H5AbstractWe present a novel approach for nitrogen (δ15N) and oxygen (δ18O) isotopic analysis of nitrate in water based on the isotopic analysis of N2O produced from the conversion of NO3– by cultured denitrifying bacteria and off-axis integrated cavity output ...
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2015
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