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151. Since small amounts of barium sulfate do not readily coagulate the precipitate can easily go unnoticed.

152. Diagnosis was established on clinical fi ndings and the barium enema examination.

153. Computed tomography and barium enema examination revealed irregular thickening and narrowing of the ascending colon extending to the hepatic flexure.

154. The results show that gelling of the solution system depends on gradually hydrolysis of titanium butoxide and polymerization with other organic group line as well as barium acetate.

155. 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.

156. Long term history of constipation and examination with barium enema are the main basis of diagnosing the adult congenital megacolon before operation and to selecting different operations accor...

157. Barite ( Barium sulfate ) is a crude rhombic salt; it is a neutral filler.

158. Barium sulphate(BaSO4), as an inorganic filler, added into PET of certain amounts, could enhance the transparence of PET/BaSO4 composites, because their refractive indices matched closely.

159. Conclusion:Barium Sulphate Suspension has good MRI negative contrast effect, the Suspension presented here is suitable for clinical application.

160. Barium meal and gastroscopic mucosal biopsy are value for diagnosis.

161. Materials and Methods Chest film and CT/MRI findings in 8 patients with barium meal proved esophageal hiatal hernia and kyphosis were analyzed.

162. The holotype specimen and dried cultures are deposited in the Entomogenous Fungus Her- barium of Northwestern College of Forestry (EFHNCF).

163. The results show feed time and impeller speed have great effects on nano barium sulfate particles.

164. Methods 991 patients with cholangio-pancreatic duct diseases were collected, 990 of 991 cases underwent surgery and T-tube cholangiogram[Sentencedict], other one underwent barium meal.

165. Barium ferrite magnetic powder is an excellent magnetic recording medium, suitable both to longitudinal and vertical magnetic recording modes.

166. Materials and Methods: 22 patients were radiographed in PA view and left lateral view with esophageal barium swallow, 19 were confirmed by operation, 2 by angiography, 1 by US doppler.

167. The stability study of solid barium ferrate was carried out in this article.

168. A chemical analysis method for the determination of sulfate radical in molten salt corrosion product of Ni-base superalloy by barium sulfate turbidimetry was studied.

169. We have isolated the fetuin from sera of newborn calves by ethanol fractionation in the presence of zinc and barium ions.

170. Conclusion All of patients with cholangio-pancreatic duct diseases should be examined ordinarily by barium meal in upper digestive tract preoperatively and T-tube cholangiogram postoperatively.

171. Results The mucosa was flattened and destructed and local lumen was narrowed on barium radiographs.

172. Using barium hydroxide octahydrate and urea as raw material, barium carbonate is prepared homogeneous precipitation method.

173. The said treatment process can eliminate the effect of the impurity and produce sodium hydrosulfide product similar to that produced through barium salt process.

174. This paper introduces the method of preparing high-purity magnesium hydroxide by double decomposition method with industrial magnesium chloride and barium hydrosulfide as the raws materials.

175. The core sand mixture using alumina as refractory particle, barium hydroxide as binder, and aluminium power as additive can be hardened by CO_2.

176. Explain why barium forms a peroxide but beryllium does not.

177. Based on the research in the medium and strong polar glass capillary column, the coating on the barium sulfate micro crystal modified surface with apolar and weak polar liquid phase is investigated.

178. Objective To investigate the diagnostic yield and accuracy of double balloon enteroscopy, barium enteroclysis and capsule endoscopy in patients with suspicion of small bowel tumors.

179. Barium titanate(BaTiO3) is a well-known ferroelectric material with high dielectric constant and low losses above room temperature, and it is extensively used in the electric industry.

180. The smoke suppressing effect of organic barium salt, a product of the reaction between barium bioxide and naphthenic acid in coking gasoline, as a diesel oil additive was studied.