1) crown fuel
树冠可燃物
2) crown biomass
树冠生物量
1.
Estimates were made using the branch analysis method with regression models of crown biomass and increment-established.
运用枝条解析法对江西省千烟洲19年生湿地松Pinus elliottii枝条生物量及生长量进行估算,建立了树冠生物量及生长量回归模型。
3) number of visible cones in crown
可见半面树冠
1.
An investigation at Badu seed orchard of Pinus tabulaeformis has been made to study two cone crop prediction methods:counting number of visible cones in crown from an observation point and counting number of cones in certain information section of crown.
用可见半面树冠法和信息段法，对陇县八渡油松种子园球果近期产量进行了预测，建立了预测模型，并验证其预测结果精度高，可靠性强。
4) crown overlappable coefficient
树冠可重叠系数
6) burnable poison
可燃毒物
1.
Inductively coupled plasma-atomic emission spectrometric determination of twelve micro elements in burnable poison (Gd,U)O_2 after separation by reversed phase chromatography;
反相色层分离电感耦合等离子体原子发射光谱法测定可燃毒物(Gd,U)O_2中12种微量元素
2.
Early studies analyzed using the WIMSSN system had large errors in fuel assembly analyses with burnable poison (BP).
用WIMS- SN系统计算含可燃毒物组件时 ,出现比较大的误差 ,不适宜低温供热堆含可燃毒物组件的计算。
补充资料：树冠
1.乔木树干以上连同集生枝叶的部分，其状如冠，故称。
说明：补充资料仅用于学习参考，请勿用于其它任何用途。
参考词条