Then, using geodynamic growth models and mineral physics calculations, we simulate the development of inner-core anisotropy in a self-consistent manner. From this we find that an inner core composed of hexagonally close-packed iron–nickel alloy, deformed by a combination of preferential equatorial ...
This invention relates to a dehydrogenation process using a layered catalyst composition. The catalyst composition comprises an inner core such as alpha-alumina, and an outer layer bonded to the inner core composed of an outer refractory inorganic oxide such as gamma-alumina. The outer layer has ...
“Our results suggest the outer inner core is composed of iron crystals of a single phase with different degrees of preferred alignment along Earth’s spin axis,” Sun said. “The inner inner core may be composed of a different phase of crystalline iron or have a different pattern of...
C. Composed mainly of iron and nickel. D. Having a very low temperature. 相关知识点: 试题来源: 解析 D。解析:地球的内核(inner core)是固态的(A正确),主要由铁和镍组成(C正确),并且密度很高(B正确)。内核的温度是非常高的,而不是很低,D错误,所以这题选D。
There is no independent evidence that the Earth's inner core is composed of solidified nickel-iron metal. There is no independent evidence that the Earth's core is in the process of freezing. And, there is no independent evidence that the Earth is like an ordinary chondrite meteorite. Nearly...
Support for the theory that the core is composed of iron (85 percent) with lesser amounts of nickel has come from the study of meteorites.Many of these samples of solar system materials are iron meteorites that consist of metallic iron alloyed with a small percentage of nickel.Some geologists...
The Earth's Inner Core The Earth's inner core, whose temperatures go beyond 5,000 degrees, may not present images of a winter wonderland.1 Before you rush to pack your skis, be aware that the "snowflakes (雪花)" are just composed of small pieces of iron!2 The crust is the outermost...
An existing foam inner core of an upholstery for seating and / or reclining furniture has recesses.; In order to improve the sleep comfort and ventilation of the interior, the inner core is composed of wave-shaped longitudinal and transverse webs (1,2,3), and the waves of the longitudinal...
The Earth's core is divided into the outer core and the inner core. Which of the following is a feature of the outer core? A. It is solid B. It is mainly made of iron and nickel in a solid state C. It is liquid and mainly composed of iron and nickel D. It has a very low ...
The Earth’s inner core comprises iron-nickel alloys with light elements. However, there is no clarity on the phase properties of these alloys. Here we show phase relations and equations of state of iron–nickel and iron–nickel–silicon alloys up to 186