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Updated: Mar 5, 2026

Three-Dimensional Particle Shape Analysis Using X-ray Computed Tomography: Experimental Procedure and Analysis Algorithms for Metal Powders
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同一个前体,两个不同的产品:使用对分布函数分析比较In-Ga-O"凝衍生"粉末和溶液造膜的结构演变

Suzannah R Wood1, Keenan N Woods1, Paul N Plassmeyer1

  • 1Department of Chemistry and Biochemistry, and Material Science Institute, University of Oregon , Eugene, Oregon 97403, United States.

Journal of the American Chemical Society
|March 23, 2017
PubMed
概括

氧化物薄膜和粉末的结构演变不同. 先进的X射线散射揭示了无形β-Ga2O3作为主要阶段,对于理解无形金属氧化物应用至关重要.

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相关概念视频

Molecular Weight of Step-Growth Polymers01:08

Molecular Weight of Step-Growth Polymers

Step growth polymerization involves bi or multifunctional monomers. Bifunctional monomers react to form linear step growth polymers, whereas multifunctional monomers react to form non-linear or branched polymers.
As the step-growth polymerization involves step-wise condensation of monomers, the molecular weight also builds up eventually. Consequently, high molecular weight polymers are obtained at the late stages of the polymerization, where 99% of monomers have been consumed.
The extent of the...
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Polymers: Molecular Weight Distribution01:10

Polymers: Molecular Weight Distribution

For any given polymer, the weight average molecular weight (Mw) is higher than, if not equal to, the number average molecular weight (Mn). The only situation in which the weight average molecular weight and the number average molecular weight are equal is when a polymer consists only of chains with equal molecular weight. However, this never happens in a synthetic polymer, since it is difficult to control the polymerization process up to a molecular level with accuracy to a hundred percent.
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