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61, At the same time the corresponding measures to dissolution of gypsum and erodent character to the concrete in the hydro-engineering are put forward.

62, Apply fertilizers, feed, wood flour, gypsum, grain, vegetables, organic fertilizer and other dry materials.

63, Gypsum is used as cementing agent, the grid curtain made of plant fibre stalks as aggregate and slag from blast furnace as light filler to make wall partition by moulding and pressing.

64, The sulfur emissibility during burning cement clinker with calcium sulfate, calcium sulfite gypsum and desulphurize slag that consist of CaSO3 separately were studied in laboratory electric stove.

65, It consists of Portland cement clinker 20% -70% of the granulated blast furnace slag and gypsum composition suitable.

66, A higher temperature leaded to a quicker sulfate attack on the pure cement mortar, and more ettringite and gypsum crystals form in the attacked mortar.

67, Conclusion:We should use the calcein methods in the calcium content determination for Gypsum.

68, The sand that makes up the dunes in White Sands National Monument are made of gypsum, an evaporite mineral left behind when bodies of water dry up.

69, Outside the closed replacement forearm will revolve the gypsum to hold fixedly to treat the first metacarpal bone base base bone fracture dislocation Cui ...

70, If the assumed mechanism of pyrocatechol is correct, the inhibited gypsum may react on a later stage and lead to a kind of delayed ettringite formation that could generate expansion and cracking.

71, Simply, the hydrate is a compound containing water molecules and secondary school textbooks mentioned on the alum, gypsum, and blue vitriol , are the most famous hydrate.

72, Moreover, the lacustrine gypsum deposits indicate that the climate had been changed into colder and drier.

73, Six, in phosphoric acid purification, help wet-process phosphoric acid process gypsum separation. 7,(http://sentencedict.com/gypsum.html) used for water in rivers of water works water treatment flocculant.

74, It is role breakthrough that the microcellar plastic mold replaces gypsum mold, as well as it was the tendency in the future.

75, Mineral resources of coal, red siderite, limonite, chromite, gold, copper, limestone, gypsum and so on.

76, The influence of activator on strength and free linear dilatability and sulfate resistance of chemical waste gypsum - fly ash new road building material as well as action of water reducer are studied.

77, The defective drywall, also known as gypsum board, was imported from China from about 2004 until 2007 to fill a shortage during the housing boom.

78, Plaster of paris: Quick-setting gypsum plaster consisting of a fine white powder, calcium sulfate hemihydrate, which hardens when moistened and allowed to dry.

79, The application of FGD gypsum product as the cement setting retarder is investigated.

80, The land is generally too expensive for us as a dumping area for gypsum.

81, It reduces dehydration temperature and solubility of dihydrate gypsum, makes gypsum crystals thick and wide, and reduces the strength of hardened body.

82, Substitute anhydrous gypsum for dihydrate gypsum in Potland cement production to study the effect of anhydrous gypsum on performance of Potland cement.

83, Organic matter weakens the combination of dihydrate gypsum crystals and makes the strength reduce.

84, This paper based on orthogonal experimental avenue , building mortar powder is manufactured by local flying ash , the lime, the gypsum, and etc.

85, The copper, iron, gold, gypsum and jade ore spots are delineated in the surveyed areas.

86, The Gypsum Division makes plasterboard, plaster and plaster products, insulation and ceiling products.

87, The retrofitting of control system for gypsum centrifuge in swage treatment system of a copper smelter acid plant is described.

88, Wall body material has been made by using hemihydrate gypsum, cement and composite foamer. Foamer could bring good foaming result in gypsum mortar.

89, RP based mould making process with plaster casting technique firstly uses rapid prototype as master mold, then get gypsum mould through silicone rubber mould, lastly become the.

90, A new type of porous sound absorbing material was made from super - strength gypsum and glass fiber.