نتایج جستجو برای: trinitrotoluene

تعداد نتایج: 747  

2007
X. Zheng R. Osiander

Time-domain terahertz spectroscopy (TDTS) has been shown to be a promising tool in detection of explosives and explosive related compounds. To date, TDTS for many explosives has been limited to spectral regions <3 THz. With recent improvements in emitters and sensors of THz radiation, we report the THz absorption spectra over an extended frequency band from 0.5 to 6 THz for four explosives: RDX...

2012
Tingting Zhou Sergey V. Zybin Yi Liu Fenglei Huang William A. Goddard William A. Goddard

Related Articles Band-filling dependence of thermoelectric properties in B20-type CoGe Appl. Phys. Lett. 100, 093902 (2012) Scaling of light emission from detonating bare Composition B, 2,4,6-trinitrotoluene [C7H5(NO2)3], and PE4 plastic explosive charges J. Appl. Phys. 110, 084905 (2011) Mechano-chemical pathways to H2O and CO2 splitting Appl. Phys. Lett. 99, 154105 (2011) In-situ measurements...

Journal: :Optics express 2010
Matthew Weidman Matthieu Baudelet Santiago Palanco Michael Sigman Paul J Dagdigian Martin Richardson

Laser-induced breakdown spectroscopy (LIBS) using double-pulse irradiation with Nd:YAG and CO(2) lasers was applied to the analysis of a polystyrene film on a silicon substrate. An enhanced emission signal, compared to single-pulse LIBS using a Nd:YAG laser, was observed from atomic carbon, as well as enhanced molecular emission from C(2) and CN. This double-pulse technique was further applied ...

2011
Juan A. Sáenz Scott Stewart

Related Articles Scaling of light emission from detonating bare Composition B, 2,4,6-trinitrotoluene [C7H5(NO2)3], and PE4 plastic explosive charges J. Appl. Phys. 110, 084905 (2011) Impact-induced initiation and energy release behavior of reactive materials J. Appl. Phys. 110, 074904 (2011) Nitrogen/argon diluted acetylene and ethylene blue flames under infrared CO2 laser irradiation AIP Advan...

Journal: :Analytical chemistry 2012
Man Yi Ho Natasha D'Souza Piero Migliorato

Electrochemical impedance spectroscopy (EIS) is used to detect 2,4,6-trinitrotoluene (TNT) in a novel sandwiched structure which relies on the specific interactions between (i) primary amine with TNT and (ii) TNT and anti-TNT aptamer. With pure targets, the assay has a sensitivity of 10(-14) M, a dynamic range of 10(-14)-10(-3) M, and employs a small sample volume (25 μL). The method's sensitiv...

2004
S. W. Thomas T. M. Swager

A description of how semiconducting fluorescent polymers function as chemosensors for a variety of chemical vapors is presented. Amplification is achieved by transport of optically induced excitations throughout a polymer film. Careful and thoughtful design of polymer chemical structures is crucial to achieving high sensitivity towards nitroaromatic explosives such as trinitrotoluene (TNT) and ...

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