نتایج جستجو برای: gas chromatographymass spectroscopic studies

تعداد نتایج: 1684878  

Journal: :Solid State Communications 1996

Journal: :Bulletin of the Chemical Society of Japan 1965

Journal: :Spectrochimica Acta Part A: Molecular Spectroscopy 1991

Journal: :International Journal of Health Sciences (IJHS) 2022

The present work is to analyse one Ayurvedic formulation, Rasnadichurnam by GC MS know the types of molecules in it. medicine was procured from a standard vendor at Chennai, India and subjected Gas Cnromatography Mass Spectroscopic analysis after processing it as per protocol. indicated profile, such Methyl 4,7,10,13-hexadecatetraenoate, Asarone, Ar-tumerone, Tumerone, trans-2,4-Dimethylthiane,...

2002
Frank K. Tittel Anatoliy A. Kosterev Michel Rochat Mattias Beck Jerome Faist

There is an increasing need in many chemical sensing applications ranging from industrial process control to environmental science and medical diagnostics for fast, sensitive, and selective gas detection based on laser spectroscopy. The recent availability of novel pulsed and cw quantum cascade distributed feedback (QC-DFB) lasers as mid-infrared spectroscopic sources address this need. A numbe...

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