Carr.相关论文
Carbon,nitrogen and phosphorus stoichiometry in Pinus tabulaeformis forest ecosystems in warm temper
Although carbon(C),nitrogen(N),and phosphorous(P)stoichiometric ratios are considered good indicators of nutrient excess......
介绍了CARR重水浓缩系统的功能、工艺方案和流程设计,以及系统设计在安全可靠性与经济性方面的特点。在系统布置设计中,采用了PDSOFT......
AnalysisoftheVolatileConstituentsofPinusTabulaeformisCarr.PineConesZHANGWei-huaandHOUDong-yan(DepartmentofChemislry,AnshanNor.........
以速生杨(Populus tomentosa Carr.)为对象,建立了华北速生杨电子经纬仪树高材积计测模式、计算函数与软件计算,并配合活立木处理......