Exact(1)
Thus, Sorel cement in its current formulation would not be considered a feasible construction material for planetary structures.
Similar(59)
Is the model good enough to use for modeling internal planetary structure?
Theorists' models of planetary structure and evolution cannot accommodate such low-density giants, says Robert Noyes, a team member and an astronomer at CfA.
All of those corroborate the idea of the Ural African transcontinental oil and gas belt being a planetary structure hosting unique hydrocarbon concentrations.
An inversion method is fundamental when developing an advanced understanding of the interior structure of planetary geological structures.
The model is capable of reproducing the global structures and propagation of different planetary waves in the middle atmosphere.
These results validate the proposed method and potential application for large area data inversion of planetary geological structures.
This paper proposes a combination of slidable flat washer and four-jaw auto-centering chuck to meet the clamping requirement and provide millimeter-grade carrier locating precision; realization of auto offset correction by use of the clamping jaws of a quasi-planetary gear structure is a guarantee of hoisting work on the carrier in the condition of gripper swinging.
Neither Venus nor Mars shows obvious signs of plate tectonics, past or present, suggesting that only a limited range of planetary temperature and structure give rise to the phenomenon.
At present, domestic and overseas scholars have made many deeply research on cycloid ball planetary transmission, including structure principle [1, 2], engagement principle [3], mechanical property [4, 5], and transmission accuracy [6, 7].
Radio occultation is one of the major applications of radio science in space missions, and has played a central role in determining the vertical structures of planetary atmospheres from the early stage of the planetary exploration in the 1960's (e.g., Eshleman et al., 1987; Tyler, 1987).
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