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1, Glassy sheets of gypsum crumble out of the bluffs.

2, A cellulose-based paste is being applied to the gypsum deposits followed by a micro-sanding with fine alumina powder.

3, The lake water is saturated with gypsum, the material used for plaster of Paris.

4, Its walls and floor were sheathed in gypsum slabs, whilst its ceiling was painted blue and supported by a gypsum pillar.

5, During dry periods the water evaporates, and the gypsum sinks to the lake bottom.

6, The gypsum crust is more soluble than the limestone so it is quite rapidly weathered by rainwater.

7, It was brackish, laced with gypsum, but she forced it down, and she filled the bottles.

8, For testing the impact strength of gypsum board.

9, Thickeners were introduced for separating the acid and gypsum.

10, Hemihydrate can be used instead of gypsum.

11, The gypsum slurry is pumped into a diked area.

12, Gypsum cement can be mixed with Portland cements.

13, Coal, iron, manganese, gypsum,(http://sentencedict.com/gypsum.html) oil shale and other minerals.

14, Gypsum can be used as a soil conditioner.

15, Gypsum and halite are simply thinned or removed altogether.

16, Huoxingbaitu, bentonite series products, gypsum.

17, The type of gypsum board include ordinary board, fire - proof board, water - proof gypsum boardlaminatedboard ect.

18, Study on utilizing desulphurization gypsum and phosphogypsum to produce self - leveling materiel wan carried our.

19, 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 .

20, The winds over the dunes were constant, and they peppered us with the gypsum sand.

21, A small, white-backed lizard waddled and hopped across the hot gypsum, moving away from us.

22, Sometimes a fresco was added to the plaster above a gypsum dado.

23, Sometimes, where a richer effect was required, a veneer of thin slabs of veined gypsum was added.

24, The calcium sulphate was probably concentrated by evaporation of shallow lakes, though wind-borne gypsum dust may have contributed in places.

25, The tube blocking of graphite heat exchanger is attributed to the solid gypsum in dilute phosphoric acid and the scars in the concentration process.

26, Choosing potassium sulfate as an activator to stimulate the activity of natural anhydrite, and modified its properties by adding Portland cement and hemihydrate gypsum respectively.

27, The difference of effects of burnt lime and hydrated lime, raw gypsum and burnt gypsum on white cement was studied, and the optimal type of lime and gypsum was determined.

28, There are types of non - metallic phosphorus, limestone, dolomite, quartzite, gypsum, clay, bentonite, and other minerals.

29, There are many kinds of mineral resources as copper, iron, coal, lime stone, gypsum, silica, etc.

30, It was recommended that people used burnt hartshorn, the burnt shells of snails and burnt gypsum.