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Wyszukujesz frazę "Joshi, V. S." wg kryterium: Autor


Wyświetlanie 1-5 z 5
Tytuł:
Studies on FOX-7 Based Melt Cast High Explosive Formulations
Autorzy:
Mishra, V. S.
Vadali, S. R.
Garg, R. K.
Joshi, V. S.
Wasnik, R. D.
Asthana, S.
Powiązania:
https://bibliotekanauki.pl/articles/358915.pdf
Data publikacji:
2013
Wydawca:
Sieć Badawcza Łukasiewicz - Instytut Przemysłu Organicznego
Tematy:
melt cast
FOX-7
LOVEX
shock sensitivity
VOD
impulse
IMs
Opis:
The key driving force in modern explosive research is the development of low vulnerable high explosive (LOVEX) compositions for future applications in insensitive munitions (IMs). The increasing demand for LOVEX has led to exhaustive studies on low vulnerable explosives as a replacement for conventional cyclo-1,3,5-trimethylene-2,4,6-trinitramine (RDX) in 2,4,6-trinitrotoluene (TNT) melt cast high explosive formulations. In the present study, 1,1-diamino-2,2dinitroethene (FOX-7) has been evaluated as a possible RDX replacement in TNT based, non-aluminized as well as aluminized, melt cast formulation. FOX-7 based melt cast formulations were characterized for their sensitivity to mechanical/shock stimuli, velocity of detonation (VOD), blast parameters and thermal decomposition behavior. These characteristics are compared with the corresponding RDX based compositions as reference standard. The studies show that with little sacrifice on performance parameters, FOX-7 based, non-aluminized and aluminized, melt cast formulations are found to be less vulnerable, compared with the corresponding RDX based formulations.
Źródło:
Central European Journal of Energetic Materials; 2013, 10, 4; 569-580
1733-7178
Pojawia się w:
Central European Journal of Energetic Materials
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Synthesis and characterization of some thiazolidinone derivatives possessing benzimidazole nucleus
Autorzy:
Mehta, P.
Dawedra, P.
Goswami, V.
Joshi, H. S.
Powiązania:
https://bibliotekanauki.pl/articles/412250.pdf
Data publikacji:
2014
Wydawca:
Przedsiębiorstwo Wydawnictw Naukowych Darwin / Scientific Publishing House DARWIN
Tematy:
4-Thiazolidinone
Benzimidazole
Schiff base
Opis:
Synthesis of new thiazolidinone derivatives possessing benzimidazole nucleus by condensation reaction of various substituted mercapto acids in presence of anhydrous ZnCl2. In our present study we have also synthesized Schiff bases of benzimidazole derivatives. All synthesized compounds were characterized by IR, 1H NMR and Mass spectroscopy.
Źródło:
International Letters of Chemistry, Physics and Astronomy; 2014, 11, 1; 1-8
2299-3843
Pojawia się w:
International Letters of Chemistry, Physics and Astronomy
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Synthesis and biological activity of 1,2,4-triazolo-[3,4-b]thiadiazole as antimicrobial agents
Autorzy:
Vekariya, P. B.
Pandya, J. R.
Goswami, V.
Joshi, H. S.
Powiązania:
https://bibliotekanauki.pl/articles/412334.pdf
Data publikacji:
2014
Wydawca:
Przedsiębiorstwo Wydawnictw Naukowych Darwin / Scientific Publishing House DARWIN
Tematy:
6-Fluoro chroman
1,2,4-triazole
triazolothiadiazole
antimicrobial activity
Opis:
Some novel 6-fluoro chroman derivatives having 1,2,4-triazolo-[3,4-b]thiadiazole were synthesized and characterized by IR, NMR and mass spectral analysis. All synthesized compounds were screened for antimicrobial activity using broth dilution method. All the compounds showed good antimicrobial activity and compound 5e showed significant antibacterial activity.
Źródło:
International Letters of Chemistry, Physics and Astronomy; 2014, 7; 45-52
2299-3843
Pojawia się w:
International Letters of Chemistry, Physics and Astronomy
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Biochemical constituents in leaf of Carica papaya - ethnomedicinal plant of Kachchh region
Autorzy:
Vyas, S.J.
Khatri, T.T.
Ram, V.R.
Dave, P.N.
Joshi, H.S.
Powiązania:
https://bibliotekanauki.pl/articles/11094.pdf
Data publikacji:
2014
Wydawca:
Przedsiębiorstwo Wydawnictw Naukowych Darwin / Scientific Publishing House DARWIN
Tematy:
biochemical constituent
leaf
fruit
seed
Carica papaya
papaya
medicinal plant
ethnomedicine
treatment
Kachchh region
India
Opis:
Carica papaya Linn. is one of the valuable plant used for various purposes in medicinal field. Leaves, fruit and seeds of the C. papaya are used as ethnomedicine. This work describes biochemical constituents of leaves of C. papaya. Fresh leaves samples of the plant were collected during the month of January, 2013 from different parts of Bhuj in Kachchh district (Gujarat), India. The purpose of the study was to evaluate the biochemical composition in leaves of C. papaya growing in the semi-arid region of Gujarat and based on the result to justify its importance in various treatments of diseases. The dried leaves were further analyzed for biochemical constituents like Ca2+, Mg2+, Na+, K+, Clˉ and Li+. The results indicated that the leaf extract of C. papaya has high potentiality for curing number of diseases.
Źródło:
International Letters of Natural Sciences; 2014, 07
2300-9675
Pojawia się w:
International Letters of Natural Sciences
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
An extension of line spring model for vibration analysis of thin isotropic plate containing multiple part-through cracks: an analytical approach
Autorzy:
Jain, N. K.
Gupta, A.
Salhotra, R.
Rawani, A. M.
Soni, S.
Mishra, A.
Joshi, P. V.
Powiązania:
https://bibliotekanauki.pl/articles/128046.pdf
Data publikacji:
2018
Wydawca:
Politechnika Poznańska. Instytut Mechaniki Stosowanej
Tematy:
multiple cracks
Line Spring Model
vibration
partial crack
pęknięcie wielokrotne
sprężyna liniowa
drgania
pęknięcie częściowe
Opis:
In the present study, the effect of multiple part-through cracks on the vibration characteristics of thin isotropic rectangular plate is presented. The proposed analytical model is developed using Kirchhoff’s classical plate theory and the crack terms are formulated using the simplified Line Spring Model (LSM). The application of Berger's formulation helps to transform the derived governing equation in the form of well known Duffing equation with cubic nonlinearities and then the solution for final governing equation is obtained using Galerkin's method for two different boundary conditions. The fundamental frequency of the plate as affected by the number of cracks, cracks length, cracks orientation, and plate aspect ratio for different boundary condition is presented. It is found that the results obtained for natural frequencies are maximally affected by number of cracks, crack length and orientations.
Źródło:
Vibrations in Physical Systems; 2018, 29; 1-25
0860-6897
Pojawia się w:
Vibrations in Physical Systems
Dostawca treści:
Biblioteka Nauki
Artykuł
    Wyświetlanie 1-5 z 5

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