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Application of Design Aspects in Uniaxial Loading Machine Development
Published on: September 19, 2018
デザイナー・インクルージョン・フレームワークにおける建築的イソメリズムの一般性
K T Holman1, S M Martin, D P Parker
1Department of Chemical Engineering and Materials Science, University of Minnesota, Amundson Hall, 421 Washington Avenue, SE, Minneapolis, Minnesota 55455, USA.
Journal of the American Chemical Society
|July 18, 2001
まとめ
研究者らは,オルガノジルフォン酸性宿主系において,新しい構造的同位体を発見し,ゲストの含有の可能性を拡大した. これらの汎用性のある材料は,多様な分子認識アプリケーションのための調整可能な空洞を提供します.
科学分野:
- 超分子化学 超分子化学
- マテリアルサイエンス 材料科学
- クリスタル・エンジニアリング (Crystal Engineering) とは
背景:
- グアニジニウム (G) とスルフォナート (S) グループに基づくラメラー宿主系は,インクルージョン特性で知られています.
- 以前の研究で,分離した二重層および単純なレンガイソマーが特定され,ホスト-ゲストの組み合わせの範囲が制限されました.
研究 の 目的:
- オーガノジスルフォン酸オルガノジスルフォン酸オルガノジスルフォン酸オルガノジスルフォン酸オルガノジスルボン酸オルガノジスルボン酸オルガノジスルボン酸オルガノジスルボン酸オルガノジスルボン酸オルガノジスルボン酸オルガノジスルボン酸オルガノジスルボン酸オルガノジスルボン酸オルガノジスルボン酸オルガノジスルボン酸オルガノジスルボン酸オルガノジスルボン酸オルガノジスルボン酸オルガノジスルボン酸オルガノジスルボン酸オルガノジスルボン酸オルガノジスルボン酸オルガノジスルボン酸オルガノジスルボン酸
- イソメリズムを様々な有機硫酸塩基柱に一般化することを示すために.
- フレームワークの組み立てと選択性を指示するゲスト分子のテンプレッティングの役割を調査する.
主な方法:
- 新しいラメラーホストアーキテクチャ (ジグザグレンガ,ダブルレンガ,Vレンガ,クロスクロス2層) の合成と特徴付け.
- 様々なゲスト分子を用いて宿主-ゲストの相互作用と選択性の調査.
- 柱投影トポロジーに基づくホストアーキテクチャの分類システムの開発.
主要な成果:
- 4つの新しい構造イソマーの発見:ジグザグレンガ,ダブルレンガ,Vレンガ,クロスクロス二重層.
- 離散的な二重層-単純なレンガイソメリズムが,異なるオルガノジルフォン酸柱に一般化できることを示す.
- 格子組立中のフレームワーク同位体選択性に影響するゲスト分子による体系的なテンプレートの証拠.
結論:
- オルガノジルフォン酸性宿主系は,初期予想を超えて,驚くべき構造的多様性を表しています.
- 各フレームワーク同位体には独特のインクルージョン空洞があり,客に合わせた宿泊施設を可能にします.
- 調節可能な性質と広大な建築的可能性は,ゲストの包摂のための広範な適用性を示唆しています.
関連する概念動画
Design Consideration
Designing a structure involves a series of considerations, primarily the material's ultimate strength, calculated through tests that measure changes under increased force until the material reaches its breaking point or limit. The ultimate load, where the material breaks, is divided by its original cross-sectional area, resulting in the ultimate normal stress or strength. The ultimate shearing stress is another significant factor taken into account.
The factor of safety is another key aspect...
The factor of safety is another key aspect...
Spanning Openings in Brick Walls
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The topic explores the practical aspects of adjusting steel reinforcements within a concrete beam section to meet specific design requirements. When designing a reinforced concrete beam, it is essential to distribute the steel reinforcements properly to ensure structural integrity and efficiency. The example provided details a scenario where a beam requires a total steel cross-section of 4 square inches. The engineer identifies that the available steel bars have a nominal diameter of 1.693...
Design Example: Dimensioning of Concrete Masonry Construction
For the construction of a storeroom using concrete masonry units, it's essential to align the dimensions of the structure with the actual sizes of the blocks and the intended mortar joints. On the site in question, there's a stockpile of concrete masonry blocks with a nominal size of eight by eight by sixteen inches, which are to be used in the construction of the storeroom.
The site engineer has laid out a plan for the storeroom with external dimensions of twelve feet in length and eight feet...
The site engineer has laid out a plan for the storeroom with external dimensions of twelve feet in length and eight feet...
Design Example: Sustainability in Concrete Building
As the construction industry moves towards more eco-friendly practices, concrete's adaptability and its ability to incorporate sustainable features make it a key material in the drive towards greener building solutions.
There are multiple approaches to achieve sustainability in a commercial concrete building. For instance, construct a concrete parking area under the building, utilizing pervious concrete paver blocks in open areas to facilitate rainwater collection through an underground cistern.
There are multiple approaches to achieve sustainability in a commercial concrete building. For instance, construct a concrete parking area under the building, utilizing pervious concrete paver blocks in open areas to facilitate rainwater collection through an underground cistern.
Design Example: Managing Concrete Workability
This example deals with managing the workability of concrete for a raft foundation project under hot weather conditions. Workability is crucial for ensuring the concrete is easy to place, compact, and finish. In this scenario, a slump test — a common method to measure the workability of fresh concrete — initially indicated low workability. This was attributed to the rapid water loss from the concrete mix, exacerbated by the high temperatures causing the course aggregates to heat up.
To address...
To address...

