Materials Literature
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Spin-Crossover-Nanopartikel In ihrer Zuschrift auf S. 11074 ff. bestimmen L. Salmon, A. Bousseksou et al. die Debye-Temperatur von [Fe(Pyrazin){Ni(CN)4}]-Nanopartikeln im Größenbereich 2–110 nm. Die Untersuchungen erklären das Wiederauftreten von Kooperativität in den kleinsten Nanopartikeln.
Abstract Engineered nanomaterials are a product of nanotechnology, and have an intentionally produced structure at the scale of approximately 1–100 nm. These materials demonstrate properties that depend on a carefully controlled and implemented nanostructure; the close dependency between this structure and material fu…
the tank liquid can decrease from 9 M to less than 0.2 M. As a result, roughly half way through the dissolution process large quantities of sodium hydroxide must be added to the tank to comply with requirements for corrosion control. Second, hydroxide is continuously consumed by reaction with carbon dioxide which occu…
COMPANY. We produce plastic drawstring bags which are mainly used as primary packaging of hydrophilic cotton wool products.
In an effort to find a cheaper production of particles reinforced metal matrix composite for tribological applications, this study focuses on ferum, which is known as the oldest and cheapest tribological material. Natural silica sand extracted from ex mining land was used as the reinforcement. Study of its wear perfor…
COMPANY. We produce plastic drawstring bags which are mainly used as primary packaging of hydrophilic cotton wool produits.
The work is devoted to studying the problem of creating directional antennas in block structures, blocks of which are heterogeneous interacting bodies. Previously, the authors have conducted a similar study for the case of multi-layer medium on an elastic half-space. The area of the study was a half-space in which the…
The process of contact interaction of steel cylinder pipeline and bandage in presence of inclusion in surface layer of pipeline under the bandage studied. There is the fixed variable of time on the inner surface of pipeline. Two variants of interaction between pipeline and bandage are considered: rigid connection and…
GREECE. We produce plastic drawstring bags which are mainly used as primary packaging of hydrophilic cotton wool produits.
Abstract A real symmetric matrix A is said to be Gramian if there exists a matrix of real numbers B such that BB' = A. Gramian matrices and Gramian determinants arise in principal components analysis and factor analysis applications.
While orbital debris of ten centimeters or more are tracked and catalogued, the difficulty of finding and accurately accounting for forces acting on the objects near the ten centimeter threshold results in both uncertainty of their presence and location. These challenges result in difficult decisions for operators bal…
Abstract Six Sigma is built on principles and methods that have proven themselves over the twentieth century. It has incorporated the most effective approaches and integrated them into a full program. It offers a management structure for organizing continuous improvement of routine tasks, such as manufacturing, servic…
Purpose. To determine the conditions of use of weld studs in the construction and repair of railway bridges carry out a set of relevant studies. Methodology. Study of determining fatigue resistance of welded specimens of welded structures carried out by their fatigue tests at zero cyclic tension. To test the model use…
Active packaging based on oxygen scavenging systems is a package which contains oxygen scavengers - different compounds and substances which react with surrounding oxygen. Oxygen scavengers can be incorporated in the package material itself or they can be in bags which are inserted inside of the package. By reacting w…
U okviru ove teze, ispitan je veliki broj mikroorganizama sa aspekta produkcije\nekstracelularnih lipaza i proteaza koje bi se potencijalno koristile kao aditivi u\ndetergentima. Selekcija proizvodnih mikroorganizama obuhvatila je nekoliko faza kako\nbi se identifikovali mikroorganizmi koji proizvode lipaze i proteaze…
Purpose. To study the systemic influence of the high levels of low-cycle alternating loading and other factors on the strength, crack resistance and deformability of girder reinforced concrete structures and to improve engineering methodology of their calculation based on the deformation method, taking into account th…
DRAWSTRING BAGS COMPANY. We produce drawstring bags which are mainly used as primary packaging of hydrophilic cotton wool products.
DRAWSTRING BAGS CONTACT. We produce drawstring bags which are mainly used as primary packaging of hydrophilic cotton wool products.
PRODUCTS. We produce plastic drawstring bags which are mainly used as primary packaging of hydrophilic cotton wool products.
Diversos trabalhos já foram publicados apresentando estudos que consideram a influência das condições geométricas na resistência de uniões adesivadas. Os diferentes processos de preparação, também denominados de tratamento de superfície, provocam um acréscimo considerável na resistência mecânica de juntas adesivadas.…