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関連する概念動画

Continuous Charge Distributions01:17

Continuous Charge Distributions

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Imagine a bucket of water. It contains many molecules, of the order of 1026 molecules. Thus, although it contains discrete elements (molecules) at the microscopic level, macroscopically, it can be considered continuous. Small volume elements of water, infinitesimal compared to the bulk of the bucket's volume, still contain many molecules. Under this framework, quantized matter is approximated as continuous for practical purposes.
The electric charge can also be subjected to an analogical...
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Applications of Normal Distribution01:22

Applications of Normal Distribution

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The normal distribution is a useful statistical tool. One of its practical applications is determining the door height after considering the normal distribution of heights of persons, such that many can pass through it easily without striking their heads. The normal distribution can also determine the probability of a person having a height less than a specific height.
The heights of 15 to 18-year-old males from Chile from 1984 to 1985 followed a normal distribution. The mean height is 172.36...
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Induced Electric Fields: Applications01:27

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An important distinction exists between the electric field induced by a changing magnetic field and the electrostatic field produced by a fixed charge distribution. Specifically, the induced electric field is nonconservative because it does not work in moving a charge over a closed path. In contrast, the electrostatic field is conservative and does no net work over a closed path. Hence, electric potential can be associated with the electrostatic field but not the induced field. The following...
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Drug Distribution: Volume of Distribution01:25

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The volume of distribution refers to the theoretical volume necessary to contain the entire amount of an administered drug at the same concentration observed in the blood plasma. The body's intracellular fluid compartment, which makes up two-thirds of the total body water, is contrasted with the extracellular fluid compartment—comprising plasma and interstitial fluid—that accounts for one-third. The volume of distribution can vary depending on the characteristics of the drug.
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F Distribution01:19

F Distribution

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The F distribution was named after Sir Ronald Fisher, an English statistician. The F statistic is a ratio (a fraction) with two sets of degrees of freedom; one for the numerator and one for the denominator. The F distribution is derived from the Student's t distribution. The values of the F distribution are squares of the corresponding values of the t distribution. One-Way ANOVA expands the t test for comparing more than two groups. The scope of that derivation is beyond the level of this...
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Continuing Care01:25

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Continuing care describes the variety of health, personal, and social services provided over a prolonged period. The need for continuing care is increasing because people are living longer. Many people do not have families or others to care for them. Continuing care is mainly for patients who are disabled, functionally dependent, or suffering from a terminal disease. It is available within institutional settings or in homes. Examples include nursing centers or facilities, assisted living,...
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3D Printing - Evaluating Particle Emissions of a 3D Printing Pen
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連続3Dプリントによるマイクロ粒子の分布制御とその応用

Jiawei Sun1,2, Wangjun Xiong1,2, Lidian Zhang3

  • 1Key Laboratory of Green Printing, Beijing National Laboratory for Molecular Sciences (BNLMS), Institute of Chemistry, Chinese Academy of Sciences, Beijing 100190, P. R. China.

ACS applied materials & interfaces
|January 22, 2026
PubMed
まとめ
この要約は機械生成です。

本研究は、マイクロ粒子の分布を精密に制御し、機能的な3D構造を作成できる連続3Dプリントのための新しいリフィリング駆動メカニズムを導入する。これにより、選択的な粒子配置と複雑な濡れパターンのワンステップ製造が可能になる。

キーワード:
連続3Dプリントマイクロ粒子分布ワンステッププリント選択的分離濡れパターニング

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科学分野:

  • 積層造形
  • 材料科学
  • ナノテクノロジー

背景:

  • デジタルライトプロセッシング（DLP）3Dプリントは、高速・高解像度の製造を提供する。
  • 連続印刷プロセスは、高度な製造のための制御可能なパラメータを導入する。

研究 の 目的:

  • 連続3Dプリントのためのリフィリング駆動粒子再分配メカニズムを提案すること。
  • マイクロ粒子分布と3D機能化の同時制御を可能にすること。
  • 2Dおよび3Dの濡れパターンのワンステップ印刷を実現すること。

主な方法:

  • マイクロ粒子の特性（寸法、濡れ性、数量比）と印刷速度を調査した。
  • リフィリング駆動粒子再分配メカニズムを開発した。
  • 樹脂のリフィリングプロセス中のマイクロ粒子の動きを制御した。

主要な成果:

  • 3D構造物および液体樹脂内でのマイクロ粒子分布の制御を実証した。
  • 小さな粒子抽出を含む、選択的なマイクロ粒子の分離を達成した。
  • マイクロ粒子の位置を調整することにより、2Dおよび3Dの濡れパターンをワンステップで印刷することに成功した。

結論:

  • 提案されたメカニズムは、様々な種類のマイクロ粒子に対して、マイクロ粒子分布の汎用的な制御を可能にする。
  • 調整された濡れ特性を持つ機能性表面およびマイクロ流体デバイスの製造を可能にする。
  • 構造製造を超えて、連続3Dプリントの応用範囲を拡大する。