UNIQUE concept

Considered as a particle, the photon constitutes a unique concept, because it may never be seen at rest in the laboratory frame. Nevertheless, integrated field... 

Recently a rather unique concept was developed by a Fast Engineering Ltd. in Russia [859], The catalyst bed of the radial flow reactor is subdivided by cooling elements into several sections in a spiral-like configuration, as shown in Figure 84. In a revamp operation the existing converter of a 600 t/d ammonia plant in the Cherkassy production complex was equipped with a new basket having the innovative design filled with... 

Naturally, the industry as a prime inventor has the opportunity to carry out seminal work with entirely unique concepts, even if many of them do not become therapies for humans. Human is a unique animal which can, and does, exhibit unique responses to a new chemical entity. No pre-clinical work can be entirely predictive of a successful response in the clinic, and there can, in the end, be no substitute for human testing. Some products fail because of safety problems specific to humans, and some because the early promise of efficacy in model systems is not realized in humans. 

In order to distinguish enantiomorphic structures, molecular chirality has conventionally been expressed in terms of center-, axis-, and plane-chirality. In the case of compounds involving several stereogenic centers, however, these terms seem to be insufficient to express their whole molecular chirality or anisotropy, although their local chirality is well confirmed in the conventional manner. Indeed, the steroidal molecules (Figure 26.13a), which have asymmetric, amphiphilic, facial structures with multiple stereogenic carbon atoms, are saddled with such a structural complexity. In order to solve this problem, we introduced a simple but unique concept, three-axial chirality , as shown in Figure 26.13b. Such three-axial chirality is based on the orthorhombic three axes applied in a molecular structure and is expressed by... 

Invented a unique concept for an electrochemically active, tri-layer device to prevent hydrogen permeation through a polymeric tank liner... 

Bussman, W. R., and Knott, D. "Unique Concept for Noise and Radiation Reduction in High-Pressure Flaring," OTC Conference, Houston Texas, 2000. 

Samsung SDI has developed a prototype of DMFC for use in laptops which is quoted to have a durability almost twice as compared to other systems being developed. SAIT has reduced the amount of catalyst required by 50 %, by developing a mesoporous carbon material, which supports highly efficient 3 nm nanocatalyst particles. In addition, SAIT has developed a unique concept of nanocomposite membrane to reduce methanol crossover by more than 90 %. This composite uses a 30-100 pm thick proton-conducting membrane with a proton conductivity of 0.1 S.cm . The DMFC has an energy density of 650 Wh dm , and fed with about 200 cm of liquid methanol can supply power to a laptop for about 15 h. The cell measures 23 cm x 8.2 cm x 5.3 cm, and its weight is less than 1 kg [60]. 

Figure 11.21 The UNIQUE concept for integration of gasification with hot gas cleaning and conditioning in one reactor vessel [100]. fSource Reproduced with permission from Ref [ 100],...

The following example presents the unique concept of utilizing luminescence lifetimes to discriminate the binary state of a photochromic quencher as opposed to the intensity-based or absorption-based readout schemes that are traditionally employed. The luminescence quenching... 

A unique concept that can be employed when aiming to install energy funnelling processes and at the same time aspiring to increase the L/B ratio relies on dendrimers. Dendrimers are highly branched, tree-like polymers that possess a precise size and... 

CAMPUS (Computer-Aided Material Preselection by Uniform Standards) has become the most successful and widely used materials database for plastics. Today more than 50 plastics producers worldwide are providing technical data on their products using CAMPUS. More than 200,000 copies have been distributed worldwide. This remaikable success is based on the unique concept, which combines uniform global protocols for acquisition and representation of data with user-friendly software. CAMPUS is the first and only database system which provides truly comparable data on products from different suppliers. The CAMPUS Windows program and material data are distributed for free from participating manufacturers. You can obtain the CAMPUS data by visiting the CAMPUS website to download CAMPUS. www.campusplastics.com... 

Many unique concepts of Increased safety reactors appeared In Russia In recent years but their development, however, did not always take decommissioning problem Into account. 

With the advent of computational quantum chemistry as a complementary tool to experiment, there is now more than ever a need for models which can interface between disciplines and make sense of the numerical and experimental data. This need reflects a traditional search for means to pattern the chemical data and provide paradigms for new experimental problems. In chemical reactivity, the quest has resulted in two schools which, in the absence of a better terminology, may be called classical and theoretical , and which have crystallized their own unique concepts along with matching experimental methodologies. 

A Primitive is part of a Feature that needs "special attention" in the analysis, a distinct characteristic or a unique concept, such as the local effective areas, the stress raiser details, the junctions/intersections, the layers in a composite material. 

This unique concept of the recently developed bifunctional metal-based molecular catalysts leads to high reaction rates and excellent stereochemical outcome because the reactions proceed through a closed assembly of reactants and catalysts, providing a wide substrate scope and applicability in organic synthetic chemistry. This volume is intended to highlight the recent exciting advances in bifunctional catalysis with well-designed multimetallic systems, dinuclear, mononuclear... 

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