نتایج جستجو برای: energetic mixture
تعداد نتایج: 115755 فیلتر نتایج به سال:
the mechanism of the genesis and development of obesity is not yet known. in particular, it is not known whether the main reason is and increase in energetic efficiency, i.e. better utilization of food consumed, or hyperplasia. this study was undertaken to throw some light on this subject. obesity was produced by chemical methods, i.e. by injections of gold-thioglucose and mono-sodium glutamate...
Initial ENA images obtained with the MENA imager on the IMAGE observatory show that ENAs emanating from Earth’s magnetosphere at least crudely track both Dst and Kp. Images obtained during the storm of August 12, 2000, clearly show strong ring current asymmetry during storm main phase and early recovery phase, and a high degree of symmetry during the late recovery phase. Thus, these images esta...
In modern energetic propellant formulations, conventional plasticizers are being gradually replaced by energetic plasticizers having nitro, nitroamino, azido and other energetic groups. Energetic Plasticizers used to improve processing, mechanical properties and index of energy. Designer of propellant for decrease migration and improve safety factors in propellant’s formulation should to notice...
the behavior of nanoscale energetic materials is quite different from micronsized energetic materials inmany ways. recently, some techniques such as sol-gel method, high speed air impaction and vacuum codeposition have been employed to obtain nanoscale energetic materials. however, only few attentionswere paid to nanoscale energetic materials because of the fabrication difficulty. in this paper...
A phase field model for the mixture of two incompressible fluids is presented in this paper. The model is based on an energetic variational formulation. It consists of a Navier–Stokes system (linear momentum equation) coupled with a Cahn–Hilliard equation (phase field equation) through an extra stress term and the transport term. The extra stress represents the (phase induced) capillary effect ...
Energetic and structural results for ethanol-water mixtures as a function of the mole fraction were calculated using Monte Carlo methodology. Energy partitioning results obtained for equimolar water-ethanol mixture and ether organic liquids are compared. It has been shown that at xet=0.22 the RDFs for waterethanol and ethanol-ethanol interactions indicated strong hydrophobic interactions betwee...
Recent approach in the field of design and manufacture of the propellant and explosive has led to the use of energetic ingredients. Introduction of energetic plasticizers as a replacement of commonly used inert plasticizers is another approach to improve the energy level of propellants. In this meantime, energetic compound based on organic azids were attracting a lot of attention. The poor mech...
Formation of waste water from military industries and also accumulating of energetic materials from incomplete explosion could cause to penetration of energetic materials to ground and underground waters. The issues of this penetration could be catastrophe. Therefore, proper manners, in order to infiltration of these waters, must to be implemented. Attention to variety energetic materials, best...
Observations and simulations show that Mars’ atmosphere has large seasonal variations. Total atmospheric density can have an order of magnitude latitudinal variation at exobase heights. By numerical simulations we show that these latitude variations in exobase parameters induce asymmetries in the hydrogen exosphere that propagate to large distances from the planet. We show that these asymmetrie...
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