At this stage, there are mainly three types of open access journals : Full Open Access Journals, Partial Open(PO) Access Journals and Delayed Open Access Journals. 现阶段开放存取期刊主要有完全开放存取期刊,部分开放存取期刊和延时开放存取期刊三种类型。
Calculation Transient Pressure for Partial Open(PO) Vertical Fracture Gas Wells 气井部分压开垂直裂缝井试井分析
Calculation of Discharge and Correction Factor on the Partial Penetration of Open Drains and Pipe Drains 排水明沟和暗管渗流量与不完整性校正系数的计算
Some simplified formulas for calculating the discharge and correction factor on the partial penetration of open drains and pipe drains are presented. 按四种类型的补给来源,分别给出计算排水沟(管)渗流量和不完整性校正系数的简化式。
In mass production of sealed lead acid battery, partial products fail because of serious open circuit voltage ( OCV ) loss during storage. 在某型号密封铅酸蓄电池的批量生产中,出现贮存期间部分电池因开路电压显著下降而失效的现象。