zcc

Based on the ERP executing of ZCC carbide mixture , the article discussed the process management factors of ERP executing .

以株洲硬质合金集团有限公司混合料ERP项目实施过程管理为基础，探讨ERP系统实施过程管理要素。

ZVC / ZCC Driving Mode for IGBT

IGBT的ZVC/ZCC驱动模式

This paper makes good investigation and analyses ZCC 's management environment and practical situation of marketing and finds out the company 's advantage and disadvantage , market opportunity and threatens .

本文中，笔者试图通过深入调查和分析我国老牌国有硬质合金企业&株洲硬质合金集团有限公司的市场营销环境与市场营销的现状，发现该公司存在的优、劣势以及面临的市场机会和威胁。

Conclusion : ZCC could inhibit the remodeling of airway in chronic asthma by way of reducing the precipitation of collagen and Fn , thus help the prevention and treatment of chronic bronchial asthma .

结论：止喘胶囊（补肾健脾法）可能通过减少气道壁胶原和Fn沉积，抑制慢性哮喘的气道重建，有利于对慢性哮喘的治疗和预防。

The high frequency switch technology of large power is developed successfully by the perfect control of PWM ( Pulse Width Modulation ) and ZCC ( Zero Current Control ), ZVC ( Zero Voltage Control ) in the unit .

通过PWM（脉宽调制）和ZCC（零电流控制）、ZVC（零电压控制）的完整控制，成功开发应用了大功率高频开关技术。

In this paper , some problems about IGBT 's operation characteristics are discussed . A driving mode called zero voltage commutation and zero current commutation ( ZVC / ZCC ) technique with high efficiency and safety is introduced .

对IGBT的工作特性及存在的问题进行了深入探讨，详细介绍了用于提高大功率IGBT电桥的开关效率和安全性的ZVC／ZCC驱动模式。