美[ˈsɪlɪkət] 英[ˈsɪlɪkeɪt] n.【化】硅盐酸 网络硅酸盐;矽酸盐;矽酸盐类 复数:silicates 英汉 英英 网络释义 n. 1. 【化】硅盐酸
Most probably the beta-quartz solid solution (SS) nanocrystal generation in lithium aluminosilicate (Li2OAl2O3SiO2, LAS) glass system using suitable nucleating agent (e.g., TiO2, ZrO2, or TiO2ZrO2) and heat-treatment schedule is the first example of the GCNCs. In fact, this invention is ...
The tetrahedral phosphate ion PO 4 3- , like the silicate ion with which it is isoelectronic, can form chains and networks, and indeed its parent oxide, a white, extremely hygroscopic solid commonly called phosphorus pentoxide (P 2 O 5 ), consists of discrete P 4 O 10 molecular units in...
Tricalcium silicate (Ca3SiO5), the main constituent of Portland cement, is amongst the most reactive silicates in water. Despite its widespread industrial use, the reaction of Ca3SiO5 with water to form calcium-silicate-hydrates (C-S-H) still hosts many open questions. Here, we show that ...
minerals that physically touch one another with no reaction rims or alteration products are included in the assemblage. It is likely that the minerals satisfying these conditions are in equilibrium, but additional chemical tests are commonly necessary to define the equilibrium assemblage withoutambiguity....
diffusion as an approximate rule of thumb, i.e., without accounting for the specific structural characteristics that define individual surface facets, dislocation cores, and grain boundary misorientations. Dislocations are the most frequently encountered defects in evaporated films and commonly occur with...
The vast majority of W mineralised calc-silicate rocks are magmatic tungsten skarns. They form by infiltration and reaction of external fluids predominantly of magmatic-hydrothermal origin with Ca-rich lithologies. Tungsten and tin skarns are spatially connected with evolved granites commonly forming pr...
Glass is commonly used in many applications, such as optic fibers [1], medieval stained glass [2,3], dental glass [4,5], and vitrification of radioactive waste [6,7] due to its durability. Nevertheless, it is subject to alteration processes, especially in water. To set up a reliable ...
We deduce that, in anoxic conditions, at high temperature and high pH, ferrous ion transforms into ferric ion under the form of goethite, with release of H2, and that at 25 °C and pH ~8.5, it is magnetite which forms in association with H2. This observation can most probably be relate...
Many materials have been shown to demonstrate electrorheological (ER) activity, defined specifically as materials (most commonly fluids) which undergo a dramatic increase in resistance to flow (i.e. apparent viscosity) with applied electric fields. Until recently, the most common ER fluids consisted ...