And lignin in the long cell walls increased with age.

木质素含量随着秆龄增加而增加。

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The peroxidase activity in the narrow lamellae of the long cell walls declined gradually with aging.

随着秆龄的增加，长细胞壁上的酶活性降低。

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Peroxidase activity concentrated in the narrow lamellae of the long cell walls, where lignin mainly deposited, especially in the first relative dormancy period.

长细胞壁上的过氧化物酶活性主要集中在次生壁窄层中，以第一年相对休眠期酶活性最高。

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The male brains, especially nerve cell rich parts of the brain associated with thinking and remembering, seemed to have sustained more long term damage from high lead levels than the brains of the young women.

VOA: standard.2009.12.19

Cells can stop in their lifetime at some point in the cell cycle and persist for long periods of time.

细胞生命期可以停止在细胞周期的某个点,并保持很长时间

耶鲁公开课 - 生物医学工程探索课程节选

These molecules of DNA, very long molecules of DNA, are condensed and packaged within the nucleus of every cell in your body.

这些DNA分子是非常长的,它们通过折叠等方式压缩形成染色体后,被装配在你身体内的每一个细胞内

耶鲁公开课 - 生物医学工程探索课程节选

As a result, neither scientists nor the FCC nor cell phone manufacturers have been able to confirm their studies based on even one generation of long-term cell phone users.

FORBES: Cell Phone Radiation? Text, Don't Talk, advises FCC

Hardell has been a vocal promoter of his results as indicating that long-term cell phone use appears to be associated with increased risk of glioma, the most fatal type of brain tumor.

FORBES: Behind The World Health Organization's "Cancerous" Pronouncement On Cell Phones

For one, it's not clear how long the two-cell lithium ion battery will last, and pricing or availability are missing from the brochure (at the source link).

ENGADGET: BionicOpter dragonfly drone flutters about, blows minds