.. The outer core is liquid. But the inner core is a solid ball held in this liquid...(地核有两部分:外核和内核。 这两 种金属主要由铁和镍构成。 外核是液态的。 但内核 是一个被液体包裹的固体球… … )”可知,本段主要 介绍的是地球内核的构造,与鸡蛋的构造有相似之 处,所以,此处提到鸡蛋...
Composition of the inner coredoi:10.1038/325303a0InsuranceNot AvailableRaymond JeanlozPearson-Prentice Hall,Jeanloz, R. (1987) Composition of the inner core. Nature 325, 303.
This worksheet and quiz will allow you to test the following skills: Making connections - use understanding of the composition of Earth's outer core and its magnetic field Interpreting information - verify that you can read information regarding the creation of Earth's magnetic field and interpr...
varying function of pressure at pressures beyond 0.4 脳 10 6 million atmospheres in all three planets; ( c ) the outer core of the Earth is a high-pressure modification of ultrabasic rock; ( d ) each planet has an inner core chemically distinct from the matter in the outer core.doi...
Most geologists believe that the inner core has the same composition as the outer core and that it can only exist as a solid because of the enormous pressure at the center of Earth. Evidence of the existence of a solid inner core is derived from the study of hundreds of records of ...
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layer accumulates below the CMB, which is not incorporated into the underlying convection zone, though it may be mixed slowly by double-diffusive 'salt-fingering.' The thickness of the layer is calculated theoretically as a function of the controlling fluxes of heat and composition across the CMB...
Composition and State of the Core the crystal structure of the inner core and the chemical composition, thermal structure and evolution, and possible stratification of the outer core.doi... K Hirose,S Labrosse,J Hernlund - 《Annual Review of Earth & Planetary Sciences》 被引量: 164发表: 2013...
Seismological models from Apollo missions provided the first records of the Moon inner structure with a decrease in seismic wave velocities at the core–mantle boundary1,2,3. The resolution of these records prevents a strict detection of a putative lunar solid inner core and the impact of the ...