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Exceptions are those compounds that exhibit high toxicity or are widely used, such as aluminium phosphide (EINECS # 015-004-00-8) and cryolite (15096-52-3). Note that for the three substances that form the focus for this review, the common names assigned in the tables are the same as …
Get Price2021-11-22u2002·u2002Compressive strength of mortar can be high depending on factors such as water to cement ratio and additives used during the preparation of mortar. On the other hand, compressive strength of concrete not only depends on the mixing ratio but other factors such as the inter transition zone between aggregate and the cement paste [67] .
Get Price2021-7-12u2002·u2002Generally, the Tremie method is one of the popular methods of placing underwater concrete. In essence, a Tremie is a pipe long enough to reach the concrete deposition site from above the water as shown in Fig. 1(a) .Pouring of concrete using Tremie method avoids the washout of cement due to water turbulence during concrete pouring hence, produces a more reliable …
Get PriceThe copper slag aggregate showed better properties than the granite aggregate used in the reference concrete. All the concretes tested after 28 days …
Get PriceA refractory composition characterized by relatively high abrasion resistance, good flowability and long working time, comprises 0.5 to 5% by weight of volatilized silica, 3.0 and 15% by weight of -65 mesh alumna, and 10 to 40% by weight of calcium aluminate cement, the balance being a refractory agreggate such as silica, alumina or fireclay.
Get Price2021-2-1u2002·u2002Additive manufacturing (AM), often also referred to as 3D printing, is a range of processes that build 3D parts by adding material, usually layer-by-layer, directly from computer-based 3D model data .AM offers an alternative approach to conventional formative processes, making it possible to manufacture geometrically complex near-net-shape 3D ceramic parts …
Get PriceThe C-S-H in the Portland cement is substituted by hydrated calcium aluminate in the CAC paste, which is responsible for the high green strength of CAC-bonded products.
Get PriceThe radioactive waste liquid is commonly treated as mixing water with cementitious material, such as Portland cement, calcium sulfoaluminate cement (CSA) or alkali-activated slag, to form solids ...
Get PriceUsuall y, the phosphorus content of HM. is in the range of 0.4 -1.0% and however, the demand of content in steel is around 0.025% or. lower. The main sources of phosphorus in …
Get Price2003-9-1u2002·u2002Vanadium is an important product used almost exclusively in ferrous and non-ferrous alloys due to its physical properties such as high tensile strength, hardness, and …
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