搜索结果: 1-15 共查到“理学 SPE”相关记录17条 . 查询时间(0.371 秒)
2023年11月29日，中国科学院深圳先进技术研究院医工所罗茜研究员团队开发了一种固相萃取-超高效液相色谱-串联质谱（SPE-UPLC-MS/MS）同时检测母乳中20种氧化脂质及其5种多不饱和脂肪酸前体化合物的分析方法。研究成果以Determination of oxylipins and their precursors in breast milk by solid phase extract...
本发明涉及一种可实现蛋白质定量分析前处理全过程的新型固相萃取(SPE)装置，该装置利用隔板将SPE管分隔为两个等体积的腔室，装填色谱填料后，可原位实现蛋白质样品变性、还原、烷基化、酶解、同位素标记和混合等定量蛋白质组学中样品处理的全过程。该装置制作简便，制作成本低，处理样品时具有回收率高、易操作、定量结果准确度好，精密度高等优点。
SPE/EAGE Reservoir Life Cycle Management Workshop:Innovation and Sustainability in Dynamic Oil Pric
SPE/EAGE Reservoir Life Cycle Management Workshop Innovation and Sustainability Dynamic Oil Pric
2017/1/20
Reservoir Life Cycle Management requires the right combination of reservoir characterisation, field development planning, project execution and continuous performance review of all key performance ind...
The SPE Asia Pacific Hydraulic Fracturing Technology Conference
tight oil and gas reservoirs deepwater fracturing
2016/7/28
The conference will focus on key trends and technical issues covering a comprehensive range of technologies in hydraulic fracturing; lessons learned from fracture-stimulated wells, including the lates...
Technologies for reservoir simulation are quickly evolving to keep pace with increasingly complex field developments and rapid growth in unconventional resources. In addition, the new workflows contin...
SPE Health, Safety, Security, Environment, & Social Responsibility Conference – North America
Safety Security
2016/7/27
Since 1993, this conference has brought together HSE professionals for knowledge sharing, learning and networking. Experts from industry, government, and academia attend to share insights and best pra...
SPE Annual Caspian Technical Conference
Oil gas
2016/7/27
SPE’s 3rd annual Caspian Technical Conference and Exhibition returns to Astana, Kazakhstan on 1-3 November 2016. Following a very successful event in Baku, this year's theme, "Challenges and Changes,"...
SPE/EAGE Reservoir Life Cycle Management Workshop: Innovation and Sustainability in Dynamic Oil Price Environment
Oil Pric oil industry
2016/7/27
Reservoir Life Cycle Management requires the right combination of reservoir characterisation, field development planning, project execution and continuous performance review of all key performance ind...
SPE International Conference on Oilfield Chemistry
oilfield chemistry chemical technologies
2016/7/26
Biennially, the Society of Petroleum Engineers brings together E&P leaders to share the latest on oilfield chemistry applications and information. On behalf of the technical program committee, we invi...
WINGS-SPE II: A catalog of stellar ages and star formation histories, stellar masses and dust extinction values for local clusters galaxies
Cosmology and Extragalactic Astrophysics (astro-ph.CO)
2010/12/28
The WIde-field Nearby Galaxy clusters Survey (WINGS) is a project whose primary goal is to study the galaxy populations in clusters in the local universe (z<0.07) and of the influence of environment o...
Chelating agent free solid phase extraction (CAF-SPE) method for separation and/or preconcentration of iron(III) ions
Iron determination solid phase extraction preconcentration
2010/10/15
This paper presents a chelating agent free solid phase extraction (CAF-SPE) method for the separation and/or preconcentration of trace iron(III) ions. This method is based on the sorption of Fe(III) i...
采用酸性溶剂萃取卷烟主流烟气剑桥滤片捕集物,目标分析物经固相萃取小柱分离富集后,应用气质联用仪进行定量分析,从而建立卷烟主流烟气中4种杂环胺的测定方法.4种待测物的检出限在0.14～0.24ng/支之间,样品加标回收率在79.7%至86.2%之间.工作曲线的相关系数均大于0.997.应用该方法测定了国内在售的10个重点品牌卷烟样品,结果显示1-甲基-吡啶并[3,4-b]吲哚(Harman)、9H-...
快速定性并有效地确定代谢物结构是代谢组学、植物化学和天然药物发现等研究的重要内容. 本文以迷迭香的两种溶剂提取物（氯仿/甲醇=3/1和50%含水甲醇）作为模型样品，通过分析其中的一些化学成分，展现了HPLC-DAD-SPE-CryoNMR-MS无缝联仪技术在确定代谢物结构方面的应用潜力. 基于高效液相色谱、紫外吸收、核磁共振波谱及质谱数据，具有代表性的6个迷迭香代谢物的结构得到了确定，它们分别为...
采取固相萃取柱净化处理后进行液相色谱-大气压化学电离源串联四极杆质谱，在正离子检测模式下(HPLC-APCI(+)-MS/MS)对动物源性肉类食品中甲硝唑、地美硝唑(二甲硝唑)、替硝唑、洛硝唑(罗硝唑)、特尼哒唑、异丙硝唑、以及羟基化甲硝唑、羟基化异丙硝唑、2-羟甲基-1-甲基化-5-硝咪唑9种硝基咪唑类药物残留量进行分析。样品添加氘代标示物HMMNI-D3、IPZ-OH-D3后，用乙腈提取...