Earth & Environmental Sciences
photosynthetically active radiation
100%
irradiance
61%
pine
46%
measuring
45%
shading
37%
detector
36%
shoot
36%
sensor
32%
radiometer
26%
canopy
22%
foliage
19%
radiation
18%
lamp
16%
calibration
15%
spectrometer
12%
net ecosystem exchange
11%
simulation
11%
eddy covariance
9%
clear sky
9%
distribution
9%
cloud cover
8%
filter
8%
vertical distribution
7%
metrology
7%
temporal variation
7%
wavelength
6%
effect
5%
instrumentation
5%
Physics & Astronomy
photosynthetically active radiation
44%
electrocardiography
35%
water flow
30%
irradiance
26%
artifacts
23%
lumens
21%
characterization
14%
cells
13%
flow velocity
13%
heavy water
10%
radiometers
9%
water
9%
detectors
9%
luminaires
7%
cryogenics
7%
spectrometers
6%
traps
6%
arrhythmia
6%
tubes
6%
electrodes
5%
sensors
5%
Agriculture & Biology
photosynthetically active radiation
64%
Pinus sylvestris
47%
shade
37%
canopy
30%
Pinus
21%
shoots
21%
net ecosystem exchange
14%
eddy covariance
12%
temporal variation
8%
leaves
7%
solar radiation
7%
measuring devices
5%
