نتایج جستجو برای: pyrotechnic
تعداد نتایج: 197 فیلتر نتایج به سال:
In the Indian traditional medicine, Leptadenia pyrotechnica (Apocynaceae) whole plant is claimed to possess powerful diuretic activity. The aim of this study was evaluate potential methanol extract (MELP) in male albino rats. Group I, Control (2% CMC saline solution, 10 ml/kg, b.w), II, serves as a standard drug furosemide (10 mg/kg b.w) and different concentrations LP (100, 200 400 were intrap...
One of the central points of the ekpyrotic cosmological scenario based on Hor̆ava-Witten theory is that we live on a negative tension brane. However, the tension of the visible brane is positive in the usual HW phenomenology with stronger coupling on the hidden brane, both for standard and nonstandard embedding. To make ekpyrotic scenario realistic one must solve the problem of the negative cosm...
The ability to produce a repeatable shock spectrum is needed for many applications in industry. Flight components and structural systems often require qualification testing consisting of subjecting the payload to a specified shock response spectrum (SRS). Testing is used to qualify sensitive packages for flight, ensuring that the unit will survive and continue to function normally during and af...
Abstract Aerosolization of tear agents using pyrotechnic formulation containing fuel, oxidant, coolant and binder was investigated. In this study, various tablets including different amounts of potassium chlorate (as oxidizer), lactose or sucrose (as fuel), silica and aluminium oxide (as coolant), nitrocellulose, castor oil and ethyl acetate mixture (as binding system) together with terphtalic ...
Grenades are small hand bombs containing a certain amount of explosives or chemical compounds used against the enemy forces or their weaponry. Grenades are composed of three main parts, namely the grenade casing, the main charge and the fuse. Delay time in grenades is provided by pyrotechnic delay composition. The proper delay time in hand grenades is 3 to 5 seconds and delay time less than 1 s...
Abstract Buffer device for interstage pyrotechnic separation is the key part to achieving electrical connector plug separation. This paper carries out research on buffer structure in different working conditions and finally designs two kinds of devices, which are respectively applied stage large mass SLMB (Shingle-Like Mass Blocks) small SLMB. Both can control energy absorption size through str...
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