calcium carbonate造句
1, Absorbable antacids such as calcium carbonate must be discontinued.
2, When calcium carbonate is heated it decomposes into calcium oxide and carbon dioxide.
3, Calcareous soils are freely drained soils containing free calcium carbonate within the profile.
4, Calcareous regosols contain free calcium carbonate in the parent material, shelly sand.
5, Chemically, chalk is largely calcium carbonate, he argues, and so should yield carbon dioxide if immersed in an acid.
6, Softies Leather corals lack the hard calcium carbonate skeleton of stony corals.
7, Algerian plant formerly burned to obtain calcium carbonate.
8, Calcium carbonate occurs in the allomorphs calcite and aragonite.
9, They extracted some calcium carbonate ores in the mine.
10, Limestone is rock composed of calcium carbonate.
11, The reaction produces a calcium carbonate seal, restoring the slab to its normal load-bearing capacity.
12, The characterization of modified calcium carbonate by oil absorption ratio was introduced.
13, Its main products include calcium carbonate superfine powder, light & heavy calcium and modify.
14, It can prevent scale formation, calcium carbonate in particular, in water system.
15, Ground calcium carbonate is one of the most important mineral fillers.
16, The carbonate from calcium carbonate,[http:///calcium carbonate.html] if not remoyed by calcining may cause foaming in the reactors.
17, The results indicated that calcium carbonate whiskers. as a kind of new whisker material, have the advantages of good uniform. high perfect crystal ratio and high productivity.
18, Calcium carbonate especially for high - quality cigarette paper was manufactured by precipitation process.
19, The calcium carbonate content of phosphate rock determines the pore structure.
20, The skeletal parts of hard corals are made of calcium carbonate and if this is in short supply they can suffer.
21, Very soft water is not suitable, as there is not enough dissolved calcium carbonate, the main material of the shell.
22, As the time for the moult approaches, the animal absorbs much of the calcium carbonate from its shell into its blood.
23, They use it to fashion the coccoliths shown here, their armoured skeletons made of chalk or calcium carbonate plates.
24, The acid water in coal pit can be well controlled by adding calcium carbonate and lime.
25, The effects of solidified agent, nanometer silicon dioxide powder and calcium carbonate powder on line contraction percentage of silicon rubber mould were discussed in this paper.
26, And proceeded the research to a series of influence factor in activate process, such as the activation time, activation temperature the concentration of calcium carbonate and the dose of activators.
27, Result discovery that, Gathers aspartic acid to have the fine anti - filthy performance to the calcium carbonate.
28, Gypsum, ammonium hydrogen carbonate and potassium chloride were used as raw materials in this research, to produce potassium sulfate, potassium ammonium chloride and calcium carbonate .
29, In this study, homo-and co-PP were modified by nano- calcium carbonate and the effect of additive on scratch resistance evaluated.
30, Water, containing dissolved calcium hydrogen carbonate, passes through the limestone and drops evaporate on the stalactite, increasing its length with a deposit of calcium carbonate.
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