喷射泵可由各种各样的材料制成，例如铸铁、钢、不锈钢、哈氏合金、钛、搪瓷、玻璃、塑料和石墨，并可制成各种尺寸。
Jet pump may be all kinds of material, such as cast iron, steel, stainless steel, Hastelloy, titanium, ceramic, glass, plastics and graphite, and made of various sizes.
而大尺寸石墨烯在性能方面之所以起到关键性的作用，是因为大尺寸石墨烯通过改善阳极材料的完整性，为纳米阳极材料提供了一个高循环稳定性的环境。
The large size of the graphene plays a key role in the performance because a larger size provides a higher cycling stability of the nanosized anode materials by improving their mechanical integrity.
研究人员进行了很多组实验，比如改变温度与溶剂类型，这些对控制石墨烯的质量与尺寸都至关重要。
The researchers performed many sets of experiments in which they varied factors such as the temperatures and the type of solution, which are critical to control the quality and size of the df-G.
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