急性
发表于 2025-3-28 16:06:51
Heinz Engelhardt.. and give a necessary and sufficient condition for the self-duality of induced codes. We then give an inductive algorithm for constructing all self-dual codes over .., and establish the mass formula, which counts the number of such codes.
野蛮
发表于 2025-3-28 21:03:08
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啤酒
发表于 2025-3-29 01:03:43
Equipment for HPCL,ation, but permit preparative application on a micro scale as well. The primary impetus has been to develop modules that can be readily assembled to produce an instrument tailored to the individual’s needs. Consequently, the separate components will be discussed, including the minimum standards they must meet to ensure satisfactory operation.
myalgia
发表于 2025-3-29 06:52:07
Partition Chromatography,) and the mobile phase that flows through the packing. The support for the stationary phase should not affect the partition equilibrium (i.e., it should be .), but should only provide uniform distribution of the stationary liquid over a large surface area so that rapid equilibration of the sample between the two phases is achieved.
Indelible
发表于 2025-3-29 09:23:07
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TEN
发表于 2025-3-29 14:19:29
Purification of Solvents,es may lead to spurious results due to their enrichment on the column, as detailed in Chapter VI. This occurs primarily during adsorption-chromatographic separations where small traces of polar contaminants, such as water, alcohol, etc. alter the properties of the system.
AXIOM
发表于 2025-3-29 19:34:30
Heinz EngelhardtWeather is one of the main sources of uncertainty and risk in many agricultural systems (for climate see Box III.2.2). Common weather phenomena on the earth include wind, rain, snow, fog; and less common phenomena include storms or tropical cyclones, heat and cold waves. Almost all familiar phenomena occur in the troposphere.