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181 Examples where lower limit values have recently been proposed include wood dust, respirable silica, and beryllium.

182 Industrial products: Active Carbon, Mica , Limestone , Quick Lime, Silica , P ; astic Pellet , Medicine , Tablet, Ore, Etc.

183 The center pipe is machined from 64mm tubing, and the sand filter is made from silica sand, cement, additive.

184 Slow light can be generated by counter-directional coupling between a silica wire and a two-dimensional (2D) silicon photonic crystal slab waveguide.

185 Dioxide is obtained by in solubilizing the dissolved silica sodium silicate solution.

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186 By chemical dispersion and acid leaching, silica nanowires were prepared from natural mineral chrysotile.

187 After breast glandectomy was completed, silica gel prosthesis was put into the interspace behind ectopectoralis.

188 Objective: To evaluate the therapeutic effect of pedicle buccinator flap transplantation and silica gel implantation into the nasal basis for atrophic rhinitis.

189 The practice showed that the blast furnace slags mainly consisted of melilite, cuspidine, bivalent metallic sulphide and Ce-Ca silica.

190 The results show that MPc does not affect the component and structure of silica xerogel matrix and the matrix prove to be homogeneously non-crystal structure.

191 Determined by silica gel chromatography and high-performance liquid chromatography, the bioconversion ratio of hydrocortisone was 34%.

192 Objective:Aim of this study was to evaluate the effect of silica coating with sol-gel process on bonding strength between glass infiltrated alumina ceramic and resin luting cement.

193 Zirconia shows different selectivity from silica power of high performance liquid chromatography ( HPLC ).

194 All seals of this machine use the thermostable silica gel ( food grade ).

195 The process of lost pattern , colloidal silica and baking was studied emphatically.

196 The block is prepared with pulverized fuel ash, natural silica sand and lime through steaming and pressing with a pressure vessel. In particular, a simulated stone layer 3 is added outside the block.

197 The refractory mix is composed of Portland cement, silica sand, perlite and fireclay.

198 Methods: The ricinine was obtained by solvent extract, silica gel column chromatography and recrystallization.

199 Anatase solution and inorganic agglutinant such as low-temperature glaze and silica gel were used to prepare antibacterial ceramic tile in the third chapter.

200 A nearby silica sand producer spits mucky water onto the parched land.

201 At present, Cabot China has successfully localized the production of rubber carbon black products, specialty carbon black products and fumed silica products in mass scale.

202 Rapid silica gel vacuum reverse mould, SLA rapid prototype, oil spraying and small lot production.

203 Low viscosity resilient casting resin. Recommended for pre-filled silica formulations with low caking tendency used with amine curing system for low voltage cable joints.

204 The synthesis of nanoporous silica gel using nonionic surfactant as template and soluble glass and acid as raw material was studied. The removal of templates is an important process.

205 Other Ingredients : Vegetable Cellulose, Hypromellose, Silica, Vegetable Magnesium Stearate, Acacia Gum.

206 The present market of sodium metasilicate pentahydrate was outlined, and then the experimental technique of preparing sodium metasilicate pentahydrate from the waste silica gel was introduced.

207 A comparative test of standard clay bricks, high alumina bricks, silica bricks and periclase bricks which were used as checkers in upper parts of regenerators has been conducted.

208 The investment shell mold was made of polyethylene wax and colloidal silica.

209 Which the reserves, and high - grade gold, copper, silica, manganese, barite, marble and so on.

210 The abundant silica resources in Xin'an County also add to its advantaged development of the trichlorosilane and tetrachlorosilane.