The main synthetic methods of o-phenylphenol were reviewed.The method and research status of dehydrogenation to o-phenylphenol after cyclohexane condensation reaction were discussed detailedly.
摘要介邻酚的几种主要工艺法,对环己酮缩脱氢法制邻酚的法及研究状况进行详细阐述。
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46.Free trade needs more champions. So does the WTO. I hope you will join us in fighting for a better world by taking the case for free trade to a wider public.
自由贸易需要更多支持者,世贸组织也是如此。我希望你能加入我们,广为传自由贸易好处,为创立一个更加美好世界而奋斗。47。九五时期,我国对外经济贸易经受住了亚洲金融危机严峻考验,保持了不断发展良好势头。During the Ninth Five year Plan period, China’s foreign trade and economic sector withstood the severe test of the Asian financial crisis and maintained the momentum of constant growth。48。以规则和法制为基础世贸组织有几个基本原则,如最惠国待遇、国民待遇、市场开放、公平竞争和透明度等原则。Based on rules and regulations, the WTO follows a number of principles, including the MFN treatment, the national treatment, the market access, the fair competition and the transparency principles etc。