1.
Analysis on reform of transformer protection of 10 kV service power of Longtan Hydropower Plant
龙滩电厂厂用10kV变压器保护改造分析
2.
Study of Protection and Renewal of Fuzhou Historical and Cultural District "Three Lanes and Seven Alleys";
福州历史文化街区“三坊七巷”保护改造研究
3.
The Critical Technology Research of the Part Semi-finished Materials Based on the Hydraulic Forging;
锻造机械液压过载保护系统改造研究
4.
The Conservation and the Community Rebuild of Industrial Building;
产业类历史建筑的保护与社区化改造
5.
Research of Reservoir Protection and Reform Measurements of Low Permeability Oil Reservoir;
低渗透油藏储层保护与改造措施研究
6.
Reformation Monitoring and Protection System of Drum Level on Datong Power Plant
大通电厂汽包水位监测保护系统改造
7.
Research on Conservation and Strengthening of Historic Buildings
历史建筑平移保护与加固改造的研究
8.
Experience in putting BP-2B digital bus protection into operation at worksite in running state
BP-2B型微机母差保护现场改造经验
9.
The Discussion of Urban Renewal and Historic Cultural Conservation
城市更新改造与历史文化保护的探讨
10.
Research on Historical and Cultural Protection in Transformation of the Old City of Chongqing
重庆旧城改造中的历史文化保护研究
11.
Research on Protection and Rebuilding Mode of Residential in Old Town, Kashi
喀什老城区民居保护与改造模式探讨
12.
Protection dual configuration of 220 kV main transformer
220kV主变压器保护双重化改造探讨
13.
The Technical Modification to Duplicate the Busbar Differential Protection for 220kV Fenghuangshan Substation
凤变220kV母差保护双重化技术改造
14.
Retrofit of 220 kV bus protections for 500 kV Sanguandian Substation
500kV三官殿变电站220kV母线保护的改造
15.
Transformation on Protection Device of 600MW Generator Rotor Grounding
600MW发电机转子接地保护装置的改造
16.
Modification of Protection Scheme for Superheated Steam Degree of Guixi 300MW UNIT
贵溪300MW机组蒸汽过热度保护方案改造
17.
Conservation Measures for Redevelopment of Protected Historic Building-"Waitanyuan"
上海“外滩源”历史性保护建筑在施工改造时的保护措施
18.
- Protecting natural forest resources, carrying out afforestation and improving the ecological environment.
——保护天然林资源，开展植树造林，改善生态环境。