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1
The Metallography of Early Ferrous Edge Tools and Edged Weapons (1986, decent photo-copy)
BAR Publishing
R. F. Tylecote
,
B. J. J. Gilmour
arbon
errite
dge
hich
ardness
ection
earlite
utting
ontent
iece
attern
ould
etween
airly
elded
entral
ands
eld
onsisted
igh
uch
robably
rea
welded
omposite
howed
urface
lthough
ype
ines
ack
hree
arge
lso
artensite
rought
ther
ieces
entury
lades
ppeared
ostly
nife
isible
imilar
rained
nclusions
nly
hrough
learly
年:
1986
语言:
english
文件:
PDF, 101.52 MB
您的标签:
0
/
4.0
english, 1986
2
Soil and Plant Phosphate
IFA
Johnston A.E.
phosphorus
soils
phosphate
olsen
fertilizer
organic
crops
readily
fertilizers
crop
phosphor
nutrients
barley
yields
experiments
johnston
superphosphate
reserves
fym
grain
plants
hosphorus
increase
soluble
solution
total
nitrogen
roots
rothamsted
growth
figure
grown
lakes
supply
a.e
uptake
countries
increased
nutrient
surface
systems
critical
agriculture
amounts
humus
levels
wheat
agricultural
analysis
availability
年:
2000
语言:
english
文件:
PDF, 303 KB
您的标签:
0
/
0
english, 2000
3
Studies on the Nutrition of the Ruminant
Wood
,
William Alwyn
itro
itr
lism
tiv
tte
endogenous
ific
ammonia
ghem
shown
ean
eig
iffe
ility
itio
tly
llo
stib
faeces
rid
pounds
ount
titie
ecovery
maximum
tein
ain
alciu
ash
becam
eans
ethod
hawk
resen
trit
ced
crea
etab
hew
norm
ork
ric
rta
urine
volum
esiu
hosphorus
metabolism
ounts
rce
文件:
PDF, 10.41 MB
您的标签:
0
/
0
4
Forms of inorganic phosphorus in the lower horizons of some Iowa soils as indicated by plant availability and chemical methods
Stelly
,
Matthias
osp
phosphorus
horus
ission
prohibited
perm
oru
hich
aluminum
amounts
sudan
rsh
crop
tte
phosphate
grown
phos
grundy
loam
method
ppm
compounds
hoi
llo
betw
ced
cro
hereas
shown
ereas
eterm
phorus
erm
os
elb
growth
i
truog
resp
soluble
abou
itio
showed
soils
compared
range
elow
exch
extracted
sodium
语言:
english
文件:
PDF, 12.44 MB
您的标签:
0
/
0
english
5
The Equilibrium Constant of the Reaction Between Liquid Iron and Hydrogen Sulphide
Skelly
,
Hugh
ilib
riu
cadmium
hydrogen
olybdenum
itio
anganese
eig
llo
eans
tiv
hgs
hipm
ount
ork
tig
bung
ean
lte
rth
runs
drogen
fte
mns
proquest
shown
alundum
armco
becam
chipm
com
ecause
experimental
gms
lso
method
molybdenum
tly
tta
tte
ain
atm
becom
dam
ecam
hich
hps
illu
llc
ltin
语言:
english
文件:
PDF, 4.80 MB
您的标签:
0
/
0
english
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