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第38章 化学迷局 (2/4)

uneven

ag

coa

formed

on

substrate

after

standard

tollens

procedure.

significant

variation

noted

between

central

target

area

and

outer

rim.

attempted

quantitative

assessment

via

reflectance

scan

(arbitrary

units):

central

zone

reflectance:

[

24

]

outer

rim

reflectance:

[

16

]

conc露sion:

high

variance

(delta=8)

indicates