介绍了过氧化氢法生产水合肼过程中中间体酮连氮合成用催化剂的研究进展。
Research progresses of catalysts for synthesizing ketazine intermediate in the production process of hydrazine hydrate by method of hydrogen peroxide are introduced.
文中讨论了酮连氮水解制备肼的各种方法及催化剂对酮连氮水解和肼收率的影响。
The review discusses many ways of preparing hydrazine through hydrolysis of azine, and the effects of catalyst to yield of hydrazine by hydrolyzing azine.
摘要文中讨论了酮连氮水解制备肼的各种方法及催化剂对酮连氮水解和肼收率的影响。
The review discusses many ways of preparing hydrazine through hydrolysis of azine, and the effects of catalyst to yield of hydrazine by hydrolyzing azine.
摘要文中讨论了酮连氮水解制备肼的各种方法及催化剂对酮连氮水解和肼收率的影响。
Abstract the review discusses many ways of preparing hydrazine through hydrolysis of azine, and the effects of catalyst to yield of hydrazine by hydrolyzing azine.
主要的差别是，相比于太阳，阿连德陨石缺失了大部分的挥发性元素，例如氢、碳、氧、氮和稀有气体。
The major difference is that Allende is depleted in the most volatile elements, like hydrogen, carbon, oxygen, nitrogen, and the noble gases, relative to the Sun.
通过对唐钢第一炼钢厂转炉、LF和连铸生产过程的研究，讨论了各工序钢水中氮的变化及其影响因素。
The change of nitrogen content and its affecting factors in process of converter production, LF and continuous casting are studied and discussed.
针对攀钢汽车车轮钢起皮质量缺陷问题，通过对钢水成分优化、连铸冷却工艺制度优化、保护渣性能优化、控制增氮等措施，攀钢汽车车轮钢质量大幅提高，满足了用户需求。
The automotive wheel steel' s quality were improved Obviously through the Optimization of steel components, cooling process system of continuous casting, flux performance and Controlling nitrogen.
本发明的RING样遍在蛋白E3连接酶参与介导植物中的氮限制适应性应答，且其表达受氮状态的影 响。
The RING-like ubiquitin E3 ligase of the present invention is involved in mediating nitrogen limitation adaptive responses in plants and its expression is influenced by nitrogen status.
本发明的RING样遍在蛋白E3连接酶参与介导植物中的氮限制适应性应答，且其表达受氮状态的影 响。
The RING-like ubiquitin E3 ligase of the present invention is involved in mediating nitrogen limitation adaptive responses in plants and its expression is influenced by nitrogen status.
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