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New Forms of CdSe: Molecular Wires, Gels, and Ordered Mesoporous Assemblies
Hudson, Margaret H.,Dolzhnikov, Dmitriy S.,Filatov, Alexander S.,Janke, Eric M.,Jang, Jaeyoung,Lee, Byeongdu,Sun, Chengjun,Talapin, Dmitri V. American Chemical Society 2017 JOURNAL OF THE AMERICAN CHEMICAL SOCIETY - Vol.139 No.9
<P>This work investigates the structure and properties of soluble chalcogenidocadmates, a molecular form of cadmium chalcogenides with unprecedented one-dimensional bonding motifs. The single crystal X-ray structure reveals that sodium selenocadmate consists of infinite one-dimensional wires of (Cd2Se3)(n)2(n-) charge balanced by Na+ and stabilized by coordinating solvent molecules. Exchanging the sodium cation with tetraethylammonium or didodecyldimethylammonium expands the versatility of selenocadmate by improving its solubility in a variety of polar and nonpolar solvents without changing the anion structure and properties. The introduction of a micelle-forming cationic surfactant allows for the templating of selenocadmate, or the analogous telluride species, to create ordered organic-inorganic hybrid CdSe or CdTe mesostructures. Finally, the interaction of selenocadmate 'wires' with Cd2+ ions creates an unprecedented gel-like form of stoichiometric CdSe. We also demonstrate that these low-dimensional CdSe species show characteristic semiconductor behavior, and can be used in photodetectors and field-effect transistors.</P>
( Hudson Akewe ),( Joshua Olilima ),( Adesanmi Mogbademu ) 호남수학회 2021 호남수학학술지 Vol.43 No.2
In this paper, we prove some coupled fixed point theorems satisfying some generalized contractive condition in a cone metric space over a Banach algebra. We also applied the results obtained to show coupled fixed point of some contractive mapping of integral type.
Korean-American Interpersonal Relationships and the Field Theory
Hudson, Stanley G. 건국대학교 영어영문학과 1969 영문 학보 Vol.- No.2
Kurt Lewin developed a theory for explaining the interaction between the individual and the world around him. He called his approach the field theory. It assumes that the behavior of any organism is the product of the interaction of forces operating in a given field in a particular moment "field" is that part of environment which directly or indirectly effects the individual.
Hudson Robert. 한국양록협회 1994 양록회보 Vol.20 No.-
생계유지와 레크리에이션을 위한 수렵에 있어 사슴의 중요성은 지속되고 있음에 덧붙여 사슴의 상업적 생산체계의 중요성이 새로이 부상하고 있음은 특히 흥미롭다. 포획사슴 사육의 기원은 고대로 거슬러 올라가지만 현대의 사슴사육은 단지 과거 20년 사이에 출현된 것이다. 현재 세계 사슴의 총두수는 약 200만두이며 매년 약 $20{\%}$ 의 복리율로 증가하고 있다. 그러나 세계 녹육 및 녹용 시장의 과히 높지않은 수요 공급도를 보면 이러한 성장은 둔화될 것이다. 사슴 총두수가 최종적으로 어느 시기에 가서 고정될 것인지 추정하기란 쉽지 않다. 수익 차익금이 감소됨에 따라 양록업자들은 보다 효율적인 사양관리체계를 모색하여야 할 것이다.
Theoretical and Computational analyses on the wet compression process
Dharmaraj Hudson,Tae Ho Kim,Heuy Dong Kim 대한기계학회 2021 대한기계학회 춘추학술대회 Vol.2021 No.11
Wet compression systems are mostly used for energy savings in compressors and they increase the useful power output by reducing the working gas temperature rise inside the compressor. In the present study, air with the water droplets is finely dispersed in an axisymmetric cylinder which is used as the working fluid of the wet compression. The compression process is made by the axial movement of the piston and a series of analytical equations are derived to obtain the thermodynamic properties during the process. Computational analysis has also been carried out to simulate the wet compression process. A suitable parametric study has been conducted in order to observe the changes in pressure, temperature, and relative humidity inside the system. The results show that wet compression leads to a significant reduction in compressor power, thus increasing efficiency.