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...
发布时间:
2015
-
10
-
10
浏览次数：218
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...
发布时间:
2015
-
09
-
15
浏览次数：153
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...
发布时间:
2015
-
08
-
11
浏览次数：120
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...
发布时间:
2015
-
08
-
06
浏览次数：152
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 ...
发布时间:
2015
-
07
-
21
浏览次数：173
Nature 发表文章：In-situ unsaturated zone stable water isotope (2H and 18O) measurements in semi-arid environments using tunable o-axis integrated cavity output spectroscopy科学家应用LGR液态水同位素分析仪在半干旱环境下原位测量不饱和带水中2H和18O同位素比值M. Gaj1,2, M. Beyer1, P. Koeniger1, H. Wanke3, J. Hamutoko3, and T. Himmelsbach11 Federal Institue for Geosciences and Natural Resources (BGR), Stilleweg 2, Hannover, Germany2 Chair of Hydrology, Faculty of Environment and Natural Resources, University of Freiburg, Fahnenbergplatz, 79098 Freiburg, Germany3Universit...
发布时间:
2015
-
07
-
07
浏览次数：136
Inter- and intraindividual correlations of background abundances of 2H, 18O and 17O in human urine and implications for DLW measurements科学家应用LGR同位素分析仪测定人体尿液中的2H,18O和17O丰度间的相互作用对DLW测量方法的影响E S F Berman, E L Melanson, T Swibas, S P Snaith and J R SpeakmanBackground/Objectives:The method of choice for measuring total energy expenditure in free-living individuals is the doubly labeled water (DLW) method. This experiment examined the behavior of natural background isotope abundance fluctuations within and between individuals over time to assess possible methods of accounting for varia...
发布时间:
2015
-
07
-
01
浏览次数：123
科学家应用Campbell CPEC200闭路涡动相关系统测量森林碳封存Canada: Forest Carbon SequestrationCampbell Scientific CPEC200 monitors eddy-covariance fluxes in British Columbia forest 文章下载地址：79canada-vancouver-island--CPEC200.pdf4da92e4cbee3e5c7273825cef11d6136.pdf (2.84 MB)
发布时间:
2015
-
05
-
19
浏览次数：128
Field Spectroscopy in the VNIR-SWIR Region to Discriminate between Mediterranean Native Plants and Exotic-Invasive Shrubs Based on Leaf Tannin Content 基于可见光近红外（VNIR）和短波红外（SWIR），科学家应用ASD地物光谱仪测量叶片单宁的含量，从而区分地中海附近海岸的本土植物和外来入侵灌木。Authors: Jan Rudolf Karl Lehmann, André Große-Stoltenberg, Meike Römer and Jens OldelandAbstract: The invasive shrub, Acacia longifolia, native to southeastern Australia, has a negative impact on vegetation and ecosystem functioning in Portuguese dune ecosystems. In order to spectrally discriminate A. longifoliafrom oth...
发布时间:
2015
-
05
-
12
浏览次数：225
科学家应用LGR氨气分析仪快速原位机载测量空气中氨气的含量Fast in situ Airborne Measurement of AmmoniaUsing a Mid-Infrared Off-Axis ICOS Spectrometer科学家应用LGR氨气分析仪快速原位机载测量空气中氨气的含量，这可以帮助我们更好的分析大气的成分和气溶胶的组成，具有深远的意义。J. Brian Leen,†,* Xiao-Ying Yu,‡,* Manish Gupta,† Douglas S. Baer,† John M. Hubbe,‡ Celine D.Kluzek, ‡ Jason M. Tomlinson,‡ and Mike R. Hubbell II‡†Los Gatos Research Inc., 67 E. Evelyn Ave, Suite 3, Mountain View, CA 94041‡Pacific Northwest National Laboratory, 902 Battelle Boulevard, Richland, WA 99352ABSTRACT:A new ammonia (NH3) analyzer was developed based on off-axis integrated cavity output spectroscopy...
发布时间:
2015
-
03
-
17
浏览次数：152