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中图分类法(4)
马克思主义、列宁主义、毛泽东思想、邓小平理论(1)
社会科学总论(1)
天文学、地球科学(1)
在“
自然资源管理
”中,
命中:
4
条,耗时:小于0.01 秒
1.
Negligible effect of hypolimnetic oxygenation on the trophic state of Lake Jy
v
äsjär
v
i, Finland
作者:
Jonna K. Kuhaa
;
jonna.kuha@jyu.fi" class="auth_mail" title="E-mail the corresponding author
;
Arja H. Palom&
auml
;
kib
;
J. Tapio Keskinena
;
c
;
Juha S. Karjalainena
关键词:
Automated monitoring
;
Chlorophyll a
;
Dissol
v
ed oxygen
;
Nutrients
;
Year-round oxygenation
刊名:Limnologica - Ecology and Management of Inland Waters
年:2016
2.
An introduction to the de
v
elopment for urban underground space in Helsinki
作者:
Ilkka
V
&
auml
;
h&
auml
;
aho
;
ilkka.
v
ahaaho@hel.fi" class="auth_mail" title="E-mail the corresponding author
关键词:
Land use planning
;
Underground resources
;
Master plan
;
Sustainability
;
Urban de
v
elopment
;
3D cadastral system
;
Geological data
;
Drill and Blast method
;
Ownership of the land
刊名:Tunnelling and Underground Space Technology
年:2016
3.
Producti
v
ity and cost of mechanized energy wood har
v
esting in Northern Scotland
作者:
Dominik
;
Rö
;
ser
;
;
dominik.roser@metla.fi
;
Lauri
;
Sikanen
;
Antti
;
Asikainen
;
Heikki
;
Parikka
;
Kari
;
V
&
auml
;
&
auml
;
t&
auml
;
inen
关键词:
Forest biomass
;
Scotland
;
Energy wood har
v
esting
;
Producti
v
ity
;
Supply chain design
刊名:Biomass and Bioenergy
年:2011
4.
Job characteristics, physical and psychological symptoms, and social support as antecedents of sickness absence among men and women in the pri
v
ate industrial sector
作者:
V
&
auml
;
&
auml
;
n&
auml
;
nen
;
Ari
;
Toppinen-Tanner
;
Salla
;
Kalimo
;
Raija
;
Mutanen
;
Pertti
;
V
ahtera
;
Jussi
;
et. al.
关键词:
Finland
;
Absenteeism
;
Sickness absence
;
Psychosocial factors
;
Job characteristics
;
Gender differences
刊名:Social Science and Medicine
年:2003
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