The deactivation of ZSM-5 zeolite catalyst (MH) for cyclohexene hydration to produce cyclohexanol was investigated by gas chromatography, gravimetry analysis and low-temperature nitrogen adsorption.

采用气相色谱、重量法、低温氮吸附等分析方法，对水合催化剂(MH)失活的原因进行了研究。

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While the nickel metal hydride (Ni-MH) battery will remain the choice for Prius, Camry and Highlander hybrids, Toyota is doing some research and development with lithium ion batteries.

CNN: Hybrids trick out, plug in