Materials Literature
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Accuracy of designing and producing a micro-force measuring device is 0.1N, through the device, the maximum supporting force of 5 living water spiders sample were measured, the maximum supporting force of living water striders is 24.8 times its weight. Water spider has large supporting force on water surface, super-hy…
Superatoms, novel entities being studied extensively in recent years, can be stabilized by mixing with transition metal atoms. The aim of this paper is to present some recent theoretical results on the application of quantum calculations for examining the atomic clusters NaxV (x=1-12) made from the mixing of Nax super…
The immobilisation of DNA probe on gold electrode surface with the optimal concentration is very important to develop of the DNA biosensors. In this study, we conducted an experiment that determined the optimal concentration of the probe attached the electrodes for the maximum hybridization efficiency. We have used a…
Endoglucanase A (CelA) is a component of thermostable complex - cellulosome which is produced by anaerobic bacterium Clostridium thermocellum. In this complex, CelA has the highest catalytic activity and it can cleave randomly β-1,4 glucosidic linkage of cellulose to smaller oligosaccharides. Bacillus subtilis a Gram…
Dimple fracture of aluminum alloy 7075-T651 subjected to various stress intensity pulses with durations of 20, 40 and 80 μs is investigated by discrete dislocation dynamics and the Gurson-Tvergaard-Needleman constitutive model (GTN-model). A dominant void ahead of macro crack tip is modeled by a micro crack. The evolu…
The aim of this paper is to study adsorption and diffusion of gases and liquids especially Argon and Carbon-dioxide in single walled carbonnanotube at room temeperature using equilibrium molecular dynamic simulation. The simulation domain is developed by the large atomic/molecular massively parallel simulator (LAMMPS)…
FIGURE 30. Tethya vacua n. sp. A, Holotype (CASIZ 053441), scale bar 1 cm; B, cross section of holotype, smaller vacuoles of outer cortex (above) and larger vacuoles of inner cortex below; C, anisostrongyle, scale bar 500 µm; D, head of anisostrongyle, scale bar 50 µm; E, foot of anisostrongyle, scale bar 50 µm; F, he…
Özet: Bu çalışmada; 27Al, 54Fe, 58Ni ve 90Zr gibi füzyon reaktörü yapı malzemeleri için 10–30 MeV enerji aralığında oluşturulan (γ,p) reaksiyonlarının denge ve denge–öncesi nükleer reaksiyon modelleri kullanılarak, proton üretim tesir kesitleri incelenmiştir. Hesaplamalarda, Denge–öncesi hesaplamalar için; TALYS 1.6…
Gesekan yang dialami cutter end mill oleh permukaan geram yang mengalir dan permukaan benda kerja yang telah terpotong pada saat proses pemesinan berlangsung mengakibatkan keausan cutter end mill . Keausan cutter end mill ini sangat dipengaruhi oleh berbagai macam variabel proses, yakni jenis proses permesinan, materi…
Clinical outcomes of conventional anticancer therapies are often compromised due to off-target toxicity and adaptive drug resistance. Moreover, currently there are no imaging modalities that can be utilized for real-time monitoring of therapeutic responses in the human body. Therefore, there is a critical need to deve…
G Quantum Dots (GQDs) are proving to be effective imaging paraphernalia for the comprehension of morphological alterations in the cellular membrane due to high absorption coefficients and quantum efficiency. Such quantum dots can be used in drug/delivery vehicles, biolabelling as well as in PCR. An upsurge of expanded…
Microstate probabilities In Chapter 3 we discussed the way the world works at a microscopic level: the interactions and laws governing the time evolution of atoms and molecules. We found that an important, unifying perspective for both quantum and classical descriptions is the concept of energy. Now we take a macrosco…
지속가능성, 안전성, 핵확산 저항성, 그리고 경제성이 향상된 제4세대 원자로형의 하나로 소듐냉각 고속로가 원자력 선진국을 중심으로 활발히 개발되고 있다. 우리나라가 주도적으로 개발하고 있는 금속연료를 사용하는 소듐냉각고속로는 우수한 피동안전성과 고유안전성을 가지므로 중대사고로의 진전을 조기에 배제할 수 있는 노형으로 평가된다. 또한 소듐냉각고속로는 기존의 사용후핵연료를 재활용하고 자체적으로 재순환 핵주기를 확립함으로써 원자력에너지의 지속성을 향상시킬 수 있다. 이러한 특성으로 인해 많은 나라들이 소듐냉각고속로를 2050년 이전에 도입하는 것을 미래에너지 전략에 포함…
한수원 중앙연구원은 2007년부터 정부과제의 하나로 전기출력이 1500MWe급인 GEN.III+ 원전 APR+를 개발하고 있다. APR1400에 비해 보다 개선된 안전성과 경제성을 갖는 원전을 개발하기 위해 국내 건설 중인 원전과 해외에서 개발 또는 건설 중인 ALWR(Advanced Light Water Reactor)의 설계내용 및 후쿠시마 원전사고로부터 도출된 개선사항을 반영하여 한국 실정에도 맞고, 해외 수출형 원전에도 부합되는 원전을 설계하고 있다. APR+의 경쟁력을 확인하기 위해 APR+ 표준설계개발 단계에서 3회의 경제성 평가를 수행하였다. 표준설계개…
A rigorous theory of diffraction scattering from extended objects is proposed. The present theory is based on a multiple asymptotic expansion of an integral equation for the exact wave function in terms of the large parameters of the problem, which are the range of the potential and the momentum components of the inci…
A separate Braille element is analyzed. Axisymmetric problem for the first harmonic in the circumferential direction is investigated. Maximum equivalent stresses on circles on the boundaries of the structure for the first eigenmodes are obtained. At the places of maximum equivalent stresses deterioration of quality of…
본 연구에서는 구조유도물질인 18-crown-6 ether를 이용하여 순수한 RHO 제올라이트 입자를 합성하고, $N_2$ , $CO_2$ , $H_2$ , $O_2$ 등 작은 기체 흡착 거동을 고찰하였다. 순수한 RHO 제올라이트 입자는 세슘이온이 함유된 알루미노실리케이트 겔로부터 합성되었으며, 직경 100-200 nm 크기의 일차입자로 구성된 약 $1.2{\mu}m$ 크기의 정육면체 모양의 이차입자이었다. 합성된 RHO 제올라이트 입자는 $600^{\circ}C$ 에서 3시간 하소 공정에서도 구조적으로 안정하였으며 수증기 흡착 실험으로부터 비표면적이 483.32…
As a considerable, experimental approach, an autocarriage type of CO₂ welding machine and a MIG(metal inert gas) welding robot in the inert gas atmosphere were utilized in order to realize Al 5083 welding to hull and relevant components of green leisure ships. This study aims at investigating the effect of welding con…
Se preparó catalizadores basados en óxidos mixtos de Cu-Mn ( relación molar Cu/Mn de 0,33 a 3) por el método sol-gel de autocombustión para la eliminación de n-hexano. Se utilizó dos agentes de combustión: ácido cítrico y etilenglicol, para estudiar su influencia en el catalizador. Además, se preparó los óxidos simple…
The World’s industrialization has spectacularly increased the overall environmental 'load' of heavy metal toxins in such a way that people dependent upon them for proper functioning. Industrial processes have actively manufactured, mined, burned, and refined heavy metal compounds for many reasons. Today heavy metals a…