Materials Literature
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Ces trois années de thèse balayent la conception, la fabrication et la caractérisation de lasers III V sur silicium à 1.31 µm pour les data-communications. Le design des sources englobe notamment l’optimisation du couplage entre l’empilement III V et le silicium, effectué grâce à un taper adiabatique, ainsi que l’étud…
If an active Janus particle is trapped at the interface between a liquid and a fluid, its self-propelled motion along the interface is affected by a net torque on the particle due to the viscosity contrast between the two adjacent fluid phases. For a simple model of an active, spherical Janus colloid we analyze the co…
Atualmente o polietileno é o termoplástico mais produzido em todo o mundo, seguido do polipropileno e do policloreto de vinila (PVC). A polimerização de eteno com o uso de um dado catalisador heterogêneo apresenta o fenômeno da fragmentação do mesmo, independentemente do processo e/ou tecnologia comercial empregada. O…
El presente documento es uno de los resultados del proceso de investigacion en torno al reconocimiento y analisis de los defectos dentro de las juntas soldadas por tecnologia SMAW, el cual consistio en la fabricacion de dos probetas en tubo ASTM A-36 con el fin de unirlas por medio de un proceso de soldadura con elect…
Composite materials have emerged as a superior structural material having application in\nall spheres of life. These have applications in every sector and essentially in marine\nenvironment, where high strength to weight ratio and noncorrosive nature of the material\nhas great importance. Subsequently there has been a…
Im Rahmen dieser Arbeit wurden verschiedene Mutageneseprotokolle für die Herstellung von Mutanten unterschiedlicher Ascomyceten verwendet. Die UV-Mutagenese ist eine Zufallsmutagenese, die ohne die gentechnische Veränderung der Organismen auskommt. Diese Methode wurde angewandt, um Mutanten von marinen Ascomyceten zu…
Nanomedicines are complex pharmaceuticals which are produced in highy controlled manufacturing processes. They show the ability to provide targeted drug delivery, improve drug solubility and effectiveness. On the other hand they reduce a drug’s immunogenicity. Those positive factors resulted in great potential to revo…
The substrates for surface enhanced Raman scattering (SERS) were prepared in three different ways: (i) the synthesis of silver colloidal suspension, (ii) the deposition of silver on the previously electrochemically etched silicon and (iii) vapor deposition of silver on a monolayer of polystyrene microspheres. Colloida…
We study the problem of three-layered nonhomogeneous rectilinear rods on an nonlinear elastic foundation under the pressure of compressive loads in this article.It is assumed that the rod is in the uneven temperature field and the elasticity modules of the material layers depend on temperature.For the elastic foundati…
The analysis of technologies and technological equipment is executed for smelting of alloys on the basis of titan with the use of metallic titan and titan from secondary raw material. On the basis of the required mechanical and physical and chemical descriptions of alloys on the basis of titan mainly expedient directi…
Work is devoted to research of the technological modes of an immobilization of hydrolytic enzyme complex from Streptomyces albus by adsorbtion method on Silics. Influence of temperature, concentration of the carrier (Silics of the A-300 brand) and immobilization duration, on efficiency of an activity of a enzyme compl…
Measuring transducers (MT) based on the surface acoustic waves (SAW) for measuring linear and angular displacements are described. They are operating on a fine, intermediate and rough scales based on measuring the phase shift between the signals. It is described structural components of MT and their principles of oper…
In this article, the bending and stability analysis of nonhomogeneous nano and micro elements have been made by using the nonlocal elasticity theory. Beam has been chosen as the structural model type. Euler-Bernoulli beam theories have been used for beam theories. The motion equations of Euler-Bernoulli beam theories…
The development of highly sensitive and chemically specific optical probes has only been marginally realized to date. Surface-enhanced Raman spectroscopy (SERS) is an emerging technique that offers both chemical sensitivity and specificity. This dissertation examines the rational design, synthesis, characterization, a…
Kebutuhan beton ringan dalam teknologi konstruksi modern meningkat dengan cepat karena keuntungan dari penggunaan teknologi beton ringan di antaranya, berat jenis beton yang lebih kecil sehingga dapat mengurangi berat sendiri elemen struktur. Salah satu alternatif adalah penggunaan batu apungyang memiliki berat jenis…
Ada beberapa tahap yang harus dilakukan dalam perancangan pipa bawah laut, riser, maupun spool (dog-leg). Pada umumnya, pada pipeline department dalam perusahaan-perusahaan engineering memulai desain pipeline dengan tahap routing, perhitungan tebal pipa atau riser, perhitungan stabilitas pipa di bawah laut, perhitunga…
The correlation between the thermoluminescence (TL) response of nanocrystalline LiF and its microstructure was studied. To investigate the detailed TL mechanism, the glow curves of nanocrystalline LiF samples produced by high-energy ball-milling were analyzed. The microstructure of the prepared samples was analyzed by…
Final Report for Grant Number: DE- FG02-10ER16146 This grant supported research in basic atomic, molecular and optical physics related to the interactions of atoms and molecules with photons and electrons. The duration of the grant was the 5 year period from 4/1/2010 – 10/31/2015. All of the support from the grant was…
The 14th China International Nanoscience and Technology Symposium, Chengdu (2015) and the Nano-products Exposition, sponsored by Chinese Society of Miro-nanoTechnology, and IEEE Nanotechnology Coun...
Kebanyakan home industry kripik singkong masih menggunaka proses pemotongan manual. Sehingga memerlukan banyak waktu dan tenaga pada proses pemotongannya. Salah satu alternatif untuk menambah efisiensi dan produktifitas yaitu dengan membuat mesin potong dengan kapasitas potong besar. Oleh karena itu untuk mengatasi ma…