Introduce the structure and the technology of ring structure iron cored transformer. Analyzed the social influence and economy effect of ring structure iron cored transformer.

介绍了环型铁芯变压器的结构特点和技术优势，分析了环型铁芯变压器在生产、应用过程中取得的巨大的经济效益和社会效益。

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A heme (HEM) is a multi-atom, non-proteinaceous organic structure capable of positioning an iron (FE) ion in its center.

亚铁血红素 (HEM) 是一个多原子、非蛋白质的有机结构，能够将一个铁 (FE) 离子置于其中心。

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An oxygen transport system is possible with just the iron atoms, but it is very much more effective with the protein "cage" the structure of hemoglobin provides.

氧气运输系统只需铁原子便可运行，但血色素提供的蛋白质“笼状”结构能够大大提高其效率。

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Hilltop Crystal Palace Park was created to display Joseph Paxton's behemoth glass-and-iron structure, relocated from Hyde Park after the Great Exhibition of 1851.

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The illusion is only broken when you see behind the wood panelling the iron support structure, embossed with the initials of the London Passenger Transport Board, from whom parts of Tube tunnel were borrowed to build the complex.

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The structure contained the first rolled iron beams, developed and manufactured by Peter Cooper in anticipation of the metal-framed skyscraper.

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