खोज परिणाम - (water OR walter) ((conservation OR consultation) OR construction )
प्रस्तावित विषय : खोज निहित
प्रस्तावित विषय : खोज निहित
- Design and construction 34
- Water conservation 30
- Soil conservation 20
- Water 11
- Energy conservation 7
- Purification 7
- Irrigation 6
- Management 6
- Water-supply 6
- Environmental aspects 5
- Handbooks, manuals, etc 5
- Soil erosion 5
- Soils 5
- Hydraulic engineering 4
- Natural resources 4
- Plants 4
- Sewage disposal plants 4
- Water resources development 4
- Watershed management 4
- Agricultural engineering 3
- Concrete 3
- Concrete construction 3
- Construction industry 3
- Hydraulic structures 3
- Hydroelectric power plants 3
- Organic fertilizers 3
- Pollution 3
- Prestressed concrete construction 3
- Recycling 3
- Storm sewers 3
-
141
-
142
-
143
-
144
-
145
-
146
-
147
-
148
-
149
-
150
-
151
-
152
-
153
-
154
-
155
-
156
The earth's physical resources /
प्रकाशित 1984विषय - सूची: “…Contents : Block 1 Resources, economics and geology -- Block 2 Constructional and other bulk materials -- Block 3 Ore deposits -- Block 4 Water resources -- Block 5 pt. 1 Energy resources 1 : fossil fuels -- Block 5 pt. 2 Energy resources II : nuclear and other options -- Block 6 The future of resources.…”
पुस्तक -
157
-
158