谁可以帮我翻译一短化学类的文献话 是把汉语翻译成英文 谢谢 在问题补充里

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A new and high-performance adsorbent for de-nitrogenation based upon the Attapulgite and cerium chloride was investigated to remove the nitrous ions in the sewage. In the experiment, optimal conditions for the preparation of the adsorbent were discussed, and the performance of the newly-prepared adsorbent was evaluated. The results of the experiment show in the process of preparation, the adsorbent reaches the optimal performance when it contains 3% of cerium chloride, the adsorbent was baked at 250 degrees for 2 hours and then ground to 40-80 mesh. During the adsorption, weakly acidic condition was favored for the reaction. The isotherm of adsorption was well fit to the Langmuir adsorption equation. The best adsorbing conditions for the experiment were temperature at 55 degrees, pH 3.8-7.5, and the adsorbing time 3 hours.

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Crown surface acid ( coronafacic acid, CFA ) is a plant growth regulating substance coronatine ( coronatine, COR ) synthesis of a precursor of polyketide compounds, is jasmonic acid ( Jasmonic Acid, JA ) structural analogues. Crown surface acid in inhibiting root hypocotyl growth, induction of potato ( Soianum tuberosum L.cv.Acme ) callus cell division and the promotion of oats ( Avena sativa L.cv.Victory No.1) leaf senescence and so on several aspects have biological activity. This paper is the rotary dry fermentation liquid by evaporation, extraction and separation, pillar to purification, and qualitative analysis and chromatographic identification, NMR structural identification, finally get a certain purity of crown acid. Conclusion by means of chemical extraction, separation and purification of fermentation broth in the crown surface acid high yield.
谢谢!!给点分!!

Abstract: Leaf acid (coronafacic acid, CFA), structural analogues of plant growth regulator substances crown toxin (coronatine COR) synthesis of a precursor polyketone compound is jasmonic acid (Jasmonic Acid, JA). Leaf acid in the inhibition of root hypocotyl growth and induction of potato (Soianum tuberosum L.cv.Acme) callus cell division and the promotion of oats (Avena sativa L.cv.Victory No.1) leaf senescence with biological activity. This paper is dried by evaporation spin fermentation broth by extraction, a pillar so that purification and qualitative analysis and chromatographic identification, NMR structural identification, and finally get a certain purity of the crown surface acid.Conclusion, the chemical methods of extraction and separation of high crown surface acid yield of purified fermentation broth.
Keyword; Crown surface acid; biological activity; extraction; separation; purification; identification
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