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(31) A substance , such as magnesia or sodium bicarbonate, that neutralizes acid.

(32) The roughing technology of a magnesia and carbon brick shop, the carrying condition of the dust control system and the dust effect is introduced in this paper.

(33) Using magnesia clinker and bauxite as raw material, by adding the appropriate amount binder, you can get a better effect of barrel lining.

(34) This abrasive tool is used to replace the traditional Magnesia Bonded Carborundum Abrasive Stone for the coarse and middle grinding of the surface of the ceramic tiles.

(35) In this paper, the loose mixture with aluminum phosphate colloid as binder and metallurgical magnesia as hardening agent for shell mold was studied.

(36) Preparation of magnesia alumina spinel and its application in catalytic reaction were reviewed in this paper.

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(37) The results show that fused magnesia - zirconia material has better slag penetra - tion resistance than magnesia material.

(38) A graphite crucible is provided at a bottom of the reactor, and the graphite crucible and the reactor are joined together by a magnesia cylinder.

(39) In this paper, light-burned magnesia was hydrated and carbonated to afford magnesium bicarbonate liquor, Fe and Ca of which were removed by activated carbon.

(40) The extractive magnesium sulfate reacts with ammonium carbonate, the high - purity and activity magnesia is obtained.

(41) Magnesia calcined from magnesite as raw material, superfine magnesium hydroxide has been produced by hydration.

(42) Township enterprises have a paper, agricultural machinery bearings, magnesia and other plants.

(43) The application of Light burned magnesia and magnesium hydroxide to environmental protection is presented.

(44) The shortcomings of common magnesia chrome brick used in cement kiln have been analyzed.

(45) A new technique for preparation of high - purity magnesia from low - grade magnesite was studied.

(46) The hydration of periclase in the magnesia is the theoretical basis for its expansion.

(47) To increase recovery of high carbon ferrochrome, the effecting factors of chrome contents in slags were analysed, and the preliminary test of adding waste magnesia brick and magnesite were conducted.

(48) The application of the technology of adding both polyacrylic fiber and lightly sintered magnesia in concrete played a remarkable role in crack control of concrete facing slabs.

(49) Magnesite deposits account for approximately 80 % of total magnesia production.

(50) The effect of the amount of fused magnesia addition on the densification of magnesia chrome refractory was investigated.

(51) And the test shows that the using condition of modified zirconium spinel brick is more bad than direct-bonded magnesia brick but as for chrome periclase-spinel compound brick (LYC) it is better.

(52) The slag resistance of magnesia - zircon castable was investigated by crucible test.

(53) Resistance to slag relates to the content of magnesia powder and spinel.

(54) We can use blast furnace slag, light burnt magnesia, alkali— sodium silicate, potassium hydroxide for preparing a new inorganic compound cementitious material under laboratorial study.

(55) Normal magnesia brick is made of Alumina-Magnesia spinel, periclase , It has higher temperature strength, good thermal shock stability, strong resistance to basic slag.

(56) The comparative study of undercalcined magnesia and ettringite as expansive agents to compensate shrinkage of cement paste has been mainly made in the present work.

(57) A new material electric conducting magnesia carbon brick used for DC furnace bottom anode is briefly described.