HPN

This paper introduces the concept of Hierarchical Petri Nets ( HPN).

本文介绍了层次Petri网模型（HPN）的概念。

Structural Conflicts in HPN

HPN基于网结构的冲突关系

Then the further research is in the method of MATLAB graphic simulation about HPN model.

在此基础之上,深入探讨了基于MATLAB环境对HPN模型的一种图形化的仿真方法.

ObjectiveTo study the metabolic changes and complications of a patient on long term home parenteral nutrition ( HPN).

目的探讨家庭肠外营养（HPN）患者的代谢变化及并发症。

The definition of HPN is provided. After the definition, a survey of hybrid Petri nets based modeling methods for hybrid systems is given.

给出了混杂Petri网的定义并综述了基于混杂Petri网对混杂系统的建模方法。

Under optimum conditions the yield of HPN was 92.9%.

在最佳反应条件下，羟丙腈的收率达到92.9%。

A Solution to Layered Scheduling of a Hybrid System Based on HPN Simulation

基于HPN仿真的混杂系统分层调度方案

The effects of temperature, time, concentration of catalyst and solvents on the yield of HPN were studied in detail.

重点考察了反应温度、时间、催化剂浓度及采用双溶剂对羟丙腈收率的影响。