Ngày tải lên: 12/12/2013, 20:53
the book of css3 - a developer's guide to the future of web design - by peter gasston
... of This Book CSS can be used across many types of media; almost any device that s capable of displaying HTML or XML can also display CSS rules, albeit in a limited form sometimes. CSS3 has two ... last few years, a whole new range of browsers has appeared to compete for users, and this plethora of choice has led to a features arms race. One beneficiary of that arms race...
Ngày tải lên: 20/09/2013, 09:09
Drugs and Poisons in Humans - A Handbook of Practical Analysis (Part 17)
... they are also used as aromatics. Because of their pharmacological e ect, alkyl nitrites are being abused as uncontrolled inhalant drugs and causing a social problem [4]. Although there are many ... GC, and from the standard solution to a test specimen). In principle, the sampling, extraction and GC analysis should be made at low temperature, in a gastight state and in a short...
Ngày tải lên: 18/10/2013, 00:15
Drugs and Poisons in Humans - A Handbook of Practical Analysis (Part 67)
... dra chamber. f) For quantitative analysis of DAEMS, various concentrations of DAEMS are spiked into blank serum specimens containing a xed amount of DAEMO (IS) each and extracted as described ... EMPA and DAEMS, the metabolites of VX, could be detected [18]. GC/MS analysis for EMPA in serum. (a) a TIC and mass chromatograms; (b) an EI mass spectrum of the t-BDMS derivati...
Ngày tải lên: 18/10/2013, 00:15
Drugs and Poisons in Humans - A Handbook of Practical Analysis (Part 20)
... methyl ester-TMS derivatizations. GC/MS analysis of ∆ 9 -THC-11-oic acid in urine 192 Cannabinoids and their metabolites e Substance Abuse and Mental Service Administration (SAMSA) in USA set ... their metabolites GC analysis of cannabinoids in plant specimens a Reagents and their preparation • Extraction and puri cation of cannabinoids [3]: Cannabis sativa L. is being grown at...
Ngày tải lên: 24/10/2013, 19:15
Drugs and Poisons in Humans - A Handbook of Practical Analysis (Part 21)
... GL-SPE Vacuum Manifold, GL Sciences, Tokyo, Japan and some man- ufacturers in USA); it enables the attachment of 12 cartridges, and the simultaneous wash- ing, elution and drying of the cartridges ... deuterium-labeled morphine is available for use, it is most desirable for MS analysis. b) Convenient thick glass-made devices for assisting elution of extraction cartridges are com- merci...
Ngày tải lên: 24/10/2013, 19:15
Drugs and Poisons in Humans - A Handbook of Practical Analysis (Part 70)
... periods. Methemoglobin is not capable of transporting oxygen. When methemoglobinemia be- comes severe, it causes cyanosis, headache, easy fatigability, respiratory and conciousness dis- turbances and nally death. ... concentration was thus measured; it was as high as 78 %. Since the fatal con- centration of methemoglobin was reported to be about 70 % [ 1, 2, 5 ], the cause of...
Ngày tải lên: 24/10/2013, 19:15