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择伐周期
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择伐周期
Encyclopedia
农学
森林经营方案
释
cutting cycle
择伐周期
在异龄林经营中,采伐部分达到成熟的林木,保留其余林木继续生长,当林分结构恢复至伐前状态时,所用的时间称为择伐周期。即同一林地进行2次相邻择伐的间隔期。又称回归年。
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phosphorescence probe
phosphorescence quantum yield
phosphorescence spectrometry for pharmaceutical analysis
phosphorescence spectrum
phosphorescent luminescent materials
phosphorescent material
phosphorescent material, phosphor
phosphorescent polymer
phosphorescent scintillation
phosphoribosyl pyrophosphate
phosphoric acid
phosphoric acid collector
phosphoric acid fuel cell
phosphoric acid fuel cell (PAFC)
phosphoricacidtributylester
phosphoricacidtributylester; butylphosphate
phosphoric anhydride
phosphor imager
phosphor imaging
phosphorimeter
phosphorite
phosphorization
phosphorography
phosphorolysis
phosphorothioate oligonucleotide,PS-ODN
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