例句與造句

1. Our hydrocarbon yield structure is based on a Fischer-Tropsch fixed bed reactor with a cobalt catalyst.
2. It is used in the preparation of cobalt catalysts, and cobal metal powder for powder-metallurgical applications.
3. Alkali oxides on cobalt catalysts generally cause activity to drop severely even with very low alkali loadings.
4. Group 1 alkali metals, including potassium, are a poison for cobalt catalysts but are promoters for iron catalysts.
5. Catalysis by rhodium is so efficient that it has significantly displaced the previous technology based on less expensive cobalt catalysts.
6. It's difficult to find cobalt catalysts in a sentence. 用cobalt catalysts造句挺難的
7. These reactions utilize 1, 3-bis ( diphenylphosphino ) propane ( dppp ) substituted cobalt catalyst in the presence of powdered zinc and zinc iodide for a solvent dependent benzannulation reaction ( Scheme 11 ).
8. Take a spoonful of the solvent and former dry cleaning agent carbon tetrachloride, add an ounce of sodium metal and a pinch of nickel-cobalt catalyst, and cook in an oven at 700 degrees Celsius for two days . The result is a lot of table salt ( sodium chloride ) and a 2 percent yield of diamond, Li and colleagues report in Science.