주제어 |
conservationarea
|
1
|
1
|
|
conservationfirstdevelopmentl ...
|
1
|
1
|
|
elementcomposition
|
1
|
1
|
|
100 m-highland
|
2
|
1
|
|
Excess ammonium
|
2
|
1
|
|
Water-soluble inorganic ions
|
3
|
1
|
|
environmentalimpactassessment ...
|
3
|
1
|
|
numberconcentration
|
3
|
1
|
|
water-solubleions
|
5
|
1
|
|
mass concentration
|
7
|
1
|
|
jeju-island
|
61
|
1
|
|
pm 10
|
190
|
2
|
|
pm2.5
|
199
|
2
|
|
jeju
|
279
|
2
|
|
correlation analysis
|
197
|
1
|
|
factor analysis
|
375
|
1
|
|
gis
|
640
|
1
|
|
jeju island
|
408
|
1
|
|
계 |
|
2,377 |
21 |
|
* 주제로 분류 되지 않은 논문건수 |
|
0 |
|