Ice or Water
نویسندگان
چکیده
منابع مشابه
Pyroelectricity of water ice.
Water ice usually is thought to have zero pyroelectricity by symmetry. However, biasing it with ions breaks the symmetry because of the induced partial dipole alignment. This unmasks a large pyroelectricity. Ions were soft-landed upon 1 mum films of water ice at temperatures greater than 160 K. When cooled below 140-150 K, the dipole alignment locks in. Work function measurements of these films...
متن کاملSputtering of water ice
We present results of a range of experiments of sputtering of water ice together with a guide to the literature. We studied how sputtering depends on the projectile energy and fluence, ice growth temperature, irradiation temperature and external electric fields. We observed luminescence from the decay of H(2p) atoms sputtered by heavy ion impact, but not bulk ice luminescence. Radiolyzed ice do...
متن کاملCase Study: Water and Ice
Water is essential for sustaining life on Earth. Almost 75% of the Earth’s surface is covered by it. It composes roughly 70% of the human body by mass [1]. It is the medium associated with nearly all microscopic life processes. Much of the reason that water can sustain life is due to its unique properties. Among the most essential and extreme properties of water is its capability to absorb larg...
متن کاملIce Shelf Water plume flow beneath FilchnerRonne Ice Shelf, Antarctica
[1] A two-dimensional plume model is used to study the interaction between FilchnerRonne Ice Shelf, Antarctica and its underlying ocean cavity. Ice Shelf Water (ISW) plumes are initiated by the freshwater released from a melting ice shelf and, if they rise, may become supercooled and deposit marine ice due to the pressure increase in the in situ freezing temperature. The aim of this modeling st...
متن کاملTransformation superplasticity of water ice and ice containing SiO2 particulates
[1] Transformation superplasticity is a deformation mechanism that occurs during the phase transformation of an externally stressed material. Pressure-induced transformation superplasticity, which has long been postulated to occur in olivine in the Earth’s interior, is shown to take place in water ice. Pure ice specimens were subjected to hydrostatic pressure cycling between 0 and 300 MPa to re...
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ژورنال
عنوان ژورنال: Geological Magazine
سال: 1905
ISSN: 0016-7568,1469-5081
DOI: 10.1017/s0016756800125105