HTD

The characteristics and application of HTD energy saying blower for cupola were introduced .

介绍了HTD系列化铁炉节能风机的特点及应用结果，经济效益显著。

Characteristic and Application of Energy-saving Blower Used for HTD Series Iron-molen Stove

HTD系列化铁炉节能风机特点及应用

Fourthly it systematically makes a mechanism analysis about causes of formation of HTD from the angle of highway operating management .

四是从高速公路运营管理角度，系统分析高速公路交通灾害的成因机理。

Topic detection and tracking ( TDT ) aims to develop a series of technologies for event based information organization , and hierarchical topic detection ( HTD ) is a new task of it .

话题识别与跟踪（topicdetectionandtracking，TDT）旨在发展一系列基于事件的信息组织技术，层次化话题识别（hierarchicaltopicdetection，HTD）是其中一项全新的任务定义形式。

On the pilot digestor , hydrothermal degradation ( HTD ) experiments of lawn-grass by the catalytic action of di-lute vitriol and no additional catalyzer were carried out .

在小型湿解实验装置中，对草坪草进行了加稀硫酸催化和不加任何催化剂的湿解实验。

Thirdly by demonstrating analysis of questionnaire investigation and case study , it illustrates the actuality of traffic disasters and the disadvantages of highway management ; meanwhile , it gets the feasibility to construct a highway forewarning management system ( FMS ) for HTD in highway administration department .

三是通过实证分析，分析了我国高速公路交通灾害的现实灾情，高速公路的管理问题，探讨了为高速公路管理部门构建交通灾害预警管理系统的可行性。