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explosive
Revealing the common sources of commercial explosive-containing articles
      
A method for identification of explosive-containing commercial articles is suggested.
      
Optic chemical sensors are represented in more detail in connection with their possibilities to operate under explosive- and fire-risk conditions.
      
On the explosive prevention of collisions of asteroidal and cometary bodies with the earth at their late detection
      
We consider the questions of an explosive impact on asteroids and comets that approach the Earth in the case of a late forecast of the dangerous situation.
      
When comets are dangerous bodies, we compare the efficiencies of the explosive and sublimation methods of changing their orbits.
      
We discuss how to increase the efficiency of the explosive impact on a dangerous body through the use of a high relative velocity of the encounter between this body and a charge-carrying rocket.
      
Do explosive ice ejections occur on Jupiter's and Saturn's satellites
      
The possibility of an explosive mechanical instability of ice (the Bridgman effect) in the thick icy shells of Jupiter's and Saturn's satellites is discussed in principle.
      
The Bridgman effect is an explosive instability of dielectric solid bodies, which disintegrate into microscopic fragments under a quasistatic uniaxial loading in open compression systems at high pressures.
      
The estimated thickness of the explosive-instability zone in the icy crust of Ganymede (under the assumption that the crust is ~75 km thick) ranges from ~7 to ~27 km at depths from ~40 to ~67 km, depending on the scaling parameter E = 0.2-1.
      
Explosive effects are possible not throughout the entire thickness of the unstableice layer but only within some part of it, several centimeters to several tens of meters in thickness.
      
At E 0.2, which is quite possible, explosive instabilities of ice could also be expected on the Earth, in the icy shells of Antarctica and Greenland at depths from ~1 to ~1.5 km.
      
Acceleration of generated supernova matter in the explosive shock wave led to its initial fractionation and to the formation of small-scale isotopic heterogeneity of primordial matter.
      
Model of explosive eruptions of water vapor and dust on icy satellites
      
The possibility of generating water vapor and other gaseous products during nonvolcanic explosive eruptions in lithospheres of icy satellites is discussed.
      
The model is based on the recently obtained experimental evidence that explosive ice instability (Bridgman effect) is formed at a strong nonuniform compression in the regions of high pressures and low temperatures.
      
Water films, the thicknesses of which reach several microns, can be formed during the process of the mutual friction of ice fragments during their quasi-liquid flow at the instant of an explosive eruption.
      
The conditions at which this interaction leads to a singular focusing (an explosive instability) of ultrasound are determined.
      
The spatial correlation of explosive signals received by hydrophones lying on the bottom of a shelf zone is studied as a function of the length of the propagation path.
      
 

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