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alumina造句
121. The results indicate that high sphericity and smooth-faced alumina based ceramic microspheres can be obtained by twice sintering process. 122. 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. 123. This paper reports engineering experimental methods applied in brown alumina - black silicon carbide resin - bonded cutting wheel. 124. Each group has 10 models made in IPS - Empress and 10 made in In — ceram Alumina. 125. Highly ordered porous anodic alumina template was prepared by twice anodic oxidation in acidulous electrolyte, and its morphology was observed by metallographic microscopy. 126. 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. 127. An applied experiment of petro coke residue slurry was carried in a rotary kiln, we carry on systematic examination to the calcined alumina quality and waste gas of kiln tail etc. 128. A new type of non asbestos frictional material is developed, which is made of phenolic resin, glass fiber, alumina, silicon oxide, barium sulfate, copper powder and graphite. 129. Alumina ceramic was formed after gelling and solidify using boehmite as a binder. 130. This dissertation deals with surface modification of inorganic nano - particles ( nanometer silica, alumina and titania ). 131. Carbon membranes were successfully synthesized on the inner surface of porous alumina tubes from furfuryl alcohol (FA). 132. In this paper we have measured the particle size and specific surface area of alumina trihydrate (ATH) , and mechanical properties, O Index (O. I. ) of plasticized PVC compositions containing ATH. 133. Vertical lime kiln is the indispensable equipment for alumina sintering production process. 134. Pleasingly, the residual thiophenol could be readily removed without silyl ether hydrolysis via passage of the product through a pad of basic alumina. 135. This copper oxide layer may retard the subsequent formation of a dense and protective alumina layer. 136. Coating of sodium silicate alumina clay for aluminium alloy casting in green sand mold is studied. 137. Composite organic additions offer sufficient plasticity and dry strength to high - alumina body. 138. Porous alumina membranes with two - dimensional ordered arrangement have been prepared by the anodic oxidation. 139. In the production of alumina, the caustic ratio is the main production index in today's alumina industries. 140. The porous alumina film prepared by anodization of aluminum in chromic acid under constant voltage and direct current can absorb infared wave. 141. The effects of hydrolysis factors and drying methods on the properties of alkoxide hydrolysis and alumina are studied. 142. Brown fused alumina is one of the major abrasive products. Comparison test of chemical analysis of brown fused alumina is a must check item in laboratory proficiency testing of abrasive trade. 143. According to the heat transfer of conduction, convection and radiation in between gas, kiln wall and clinker bed, established a one dimensional thermal model for the alumina clinker kiln. 144. Process simulation and process control are two important tools to improve performances in the alumina plants. 145. In the process of sintering alumina production, the alumina continuous carbonation decomposition process(ACCDP) is a critical procedure bridging the preceding and subsequent procedure. 146. Our company also provides Alumina sand cleaning, drying and sifting equipments which are adapted to the cleaning, drying and sifting for 20-400 eye sea sand, quartz sand and carborundum. 147. Sodium aluminate solution is purified and is seed-precipitated with addition of super-fine alumina with high activity to prepare super-fine and high-purity aluminum hydroxide and alumina. 148. The core sand mixture using alumina as refractory particle, barium hydroxide as binder, and aluminium power as additive can be hardened by CO_2. 149. Aluminium hydroxide, the precursor of alumina, was synthesized by precipitation reaction of the aluminium nitrate and sal volatile. 150. Sinte - roasting between coal and Alumina or coal and bauxite were researched in detail in this paper.