chromium造句
151. Preferred transition metal compounds are based on cobalt and chromium, especially complexes thereof having benzimidazole ligands.
152. The human body needs iron to capture oxygen, copper and chromium to absorb energy, cobalt to sheathe our nerves and zinc to help our genes.
153. At present, the serial disc chippers adopt wear-resisting backing board plate coated with chromium. The flying knife, bottom knife and flying knife bolt adopt the special steel and are made specially.
154. The major advantages and disadvantages of trivalent chromium electroplating were introduced.
155. Chromium oxide green with corundum crystal structure has such characteristics as high thermal stability, high painted capacity, chemical corrosion-resisting capacity, etc.
156. This company is a well-established, and reliable leader in chromium plated goods for both domestic and industrial markets.
157. The contents of silicon, manganese, phosphorus, nickel, chromium and cuprum in common steel are determined by means of spectrophotometry with primary weighting and melting.
158. Phosphating filming of chromium series is the most universal process manner, also is the most stable and mature. Only does it's materials have poison , it will be forbid to use.
159. It is mainly studied in this paper that extracting high-purity chromium oxide from a kind of scrap containing chromium named stainless steel residue.
160. In supplent form (capsules and tablets), it is sold as chromium picolinate, chromium chloride, and chromium nicotinate.
161. Dissolved chromic slag was treated by fine screen electrode to recover chromium in solid - shape.
162. The difficulty to harden high-Carbon- Chromium contained iron is caused by the melting zone, which may bring two problems: tiny cracks and low hardness of residual austenite.
163. Chromium layer is a kind of metal plating layer with high-hardness and high- wearability , and corrosivity-bearable, widely used in plating industry.
164. Produced by Hong Fanna, chromium anhydride, sulfuric acid anhydride, chrome green exported to the United States, Canada, Japan and Hong Kong and other countries and regions.
165. Established a method determining the content of trace elements copper, zinc, manganese, lead, chromium, calcium, nickel of haematitum and red ore by FAAS.
166. A new technology for preparation of basic chromium sulfate, using sugar as a reductive agent to sodium dichromate, was introduced.
167. Studies of whirlwind furnace show that the processes can be applied to detoxicate the great amount of original chromium slag completely in the industry of chr...
168. Different metals are separated from the electroplating sludge by roasting and copper, nickel and chromium were recovered with suitable methods such as removing iron by sodium jarosite precipitation.
169. The invention provides a method for preparing a polymerization catalyst. The method comprises contacting a carrier comprising alumina with a sulfating agent and with chromium.
170. I am going to rub up the chromium on the car.
171. A rotary rack for chromium plating on surface of cylindrical articles was developed.
172. The results showed that the corrosion weight loss rate of high Mn steel was distinctly greater than that of medium carbon chromium steel.
173. The recent development of Cr deposition, especially hexavalent chromium electrodeposition was introduced.
174. Common materials for the MTJ include chromium dioxide and iron cobalt alloys.
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