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chromate造句
1. Give any large areas a squirt of zinc chromate primer but beware - it is very toxic and carcinogenic. 2. With chromate treated die cast treatment. 3. Lead chromate and arsenic disulfide are both raw materials of Chinese traditional medicine and mineral dyestuffs. 4. It has the following characteristics 1. Chromate eluant is used. 5. Compositions of chromate dacromet bath of magnesium alloy are presented. 6. Two - stage chromate reduction has been used at several plants. 7. Chromate conversion coating resulting in the formation of a passivating film. 8. Crocoite is a mineral consisting of lead chromate and crystallizing in a monoclinic crystal system, and it is the only chromate of any importance found in nature. 9. Chromate - free surface treatment process for ZM 5 magnesium alloy was discussed. 10. The potassium chromate method is one regular method to determine COD. 10.try its best to collect and create good sentences. 11. Duplex chromate electroplating for bumper ofm and motorcycle was described. 12. The corrosion resistance of chromate passivation tinplate in neutral solution was reinforced, and the corrosion rate for sulfur and acid declined with the increasing of passivation tem... 13. The Catalysis effect of tertiary butyl-ferrocene and lead chromate etc. on RDX/AP HTPB propellant burning rate has been examined. 14. When cleaned, non-ferrous metals are best brought to a bright finish before priming with zinc chromate or zinc phosphate. 15. The substitution is believed to result from the difference of their dissolubility which can give rise to incongruent dissolution between ettringite and chromate ettringite. 16. Objective To analyse the harm of ocular bum caused chromate salt. 17. Theory and practice are shown that the passivated film is a kind of gelatiniform combination film containing chromate and phosphate because it was formed by chromatising and phosphatizing reaction. 18. At present, the hurtless treatment for chrome slag is undergoing in many chromate plants in China. 19. But the result of chemical oxidation is worse than that of BTA and chromate passivation. 20. Cr - Fe waste residue is derived from production of chromate or chromium oxide. 21. A process of electrolytic synthesis of sodium dichromate from industrial sodium chromate solution is introduced. 22. Objective To analyse the harm of ocular bum caused In chromate salt. 23. Orange - ilmenorutile pills iron and dialkyldithiophosphates basic lead chromate, generale, uranium yellow and CDs, etc. 24. With proper PH adjustment ( 4.5 - 5 ) the chromate will be removed. 25. And effects of raw materials size, reaction temperature, reaction time and nitric acid dosage on the output and lead chromate content of the product were discussed in detail in this paper. 26. For instance, the coatings used to make the containers durable for ocean transport also happen to contain a number of harmful chemicals, such as chromate, phosphorous, and lead-based paints. 27. This paper analyzes the cause of insoluble impurity in acid solution which exists in barium chromate. 28. The paper brings out the complex technology which is after laser discrete hardened pretreatment on basal body, chromate treatment can improve the service life of chromium plated gun barrel. 29. Conclusion It is important to prevent ocular hum caused by chromate salt. 30. It is shown that calcium carbonate can be decomposed in aqueous sodium dichromate solution and transformed to calcium chromate at ambient pressure and boiling temperature.