Big Chemical Encyclopedia

Chemical substances, components, reactions, process design ...

Articles Figures Tables About

Prospective Work

The important research on CNTs performed in the last two decades has made it possible to generate the knowledge necessary to obtain successful developments in different fields. However, there are still many aspects that require attention for further CNT-based electrochemical devices. [Pg.108]

It is necessary to have efficient control of the morphology of the nanotubes, with special emphasis on their chirality. The heterogeneity of CNTs is another critical aspect to be considered, in order to obtain reproducible electrochemical behaviors. The selection of the dispersing agent and dispersing conditions for CNTs has to be critically made to obtain nanostructures with particular properties to ensure the construction of efficient electrochemical (bio)electrodes. The generation and [Pg.108]

From the point of view of bioelectronics it is very important to obtain more information about the mechanism of integration of CNTs into living biological systems. The toxicity of CNTs is a critical aspect that requires important research to know about the uptake of CNTs by living cells and their distribution in the environment. Another important topic that requires more attention is the application of CNTs for future efficient development of devices for drug release and gene therapy. [Pg.109]

Wanekaya, A.K. (2011) Applications of nanoscale carbon-based materials in heavy metal sensing and detection. Analyst, 136, 4383. [Pg.109]

Valentin , E, Barbone, M., and Palleshi, G. (2013) Carbon nanostructured materials for applications in nano-medicine, cultural heritage, and electrochemical biosensors. Anal. Bioanal Chem., 305, 451-465. [Pg.109]


Clearly, world markets could continue to expand greatly the needs and hence demand are there. But the prospective consumers cannot afford their needs — and won t be able to, until investments are made to utilize their prospective work.)... [Pg.31]

Prospecting works were conducted in the Bulgarian and Romanian sections of the self. In the Romanian shelf, main expectations are connected with the structures located eastward of Constanta, in the Bulgarian shelf, with an area from the Yemine Cape to the Bulgarian-Romanian state border [3]. [Pg.427]

The paper is organized as follows. Sect. 2 describes the general principles and recent results for the synthesis of cyclotriveratrylenes Sect. 3 describes some applications of these compounds to host-guest chemistry. This latter section is devoted principally to the cryptophanes, and to host molecules containing one CTV unit that have recently been described. Sec. 4 presents some prospective work in the field of material sciences, i.e., ferroelectric liquid crystals and organic three-dimensional charge transfer salts. [Pg.105]

The company holding the rights to the mine is Iran Zinc Mines Development Co. (IZMDC). After some prospective works, a project to build a plant to produce 100,000 t/y of zinc is being defined. An international competitive tender was completed in early 2000. Zincox Pic., with the technological support of UM and TR, presented a preliminary feasibility study and project development proposal for that capacity. IZMDC has not decided which company is going to carry out the feasibility study. [Pg.759]

In order to avoid such surface contaminations and their drastic effects on magnetic properties, an organometallic approach could be advantageous since controlled decomposition under mild conditions can be achieved. Through intensive prospective work, we determined that amido precursors such as Fe[N(SiMe3)2]2(THF) (Me = CH3, THF = tetrahydrofurane) [43] or the dimer (Fe[N(SiMe3)2]2 2 [44] can yield unoxidized iron metal nanoparticles (MNPs) under mild conditions. These precursors exhibit a good compromise between stability (to be stored once prepared) and reactivity( to be decomposed under mild and reductive conditions). [Pg.428]

Valero, R., van Hemert, M.C., Kroes, G.-J. Classical trajectory study of the HOCO system using a new interpolated ab initio potential energy surface. Chem. Phys. Lett. 393, 236-244 (2004) Varandas, A.J.C., Viegas, L.P. The HO2+O3 reaction Currait status and prospective work. Comp. Theoret. Chem. 965, 291-297 (2011)... [Pg.237]

Does the prospective work area have off-limits sections ... [Pg.79]

Does the prospective work area have moving assembly lines, heavy equipment operation, spray painting, quenching, ongoing construction activity hazard, or any other hazards that the contractor employee needs to be cognizant of ... [Pg.79]

A C Plastic Industries Ltd Prospect Works 216 Sydenham Road Croydon CRO 2EB Surrey 01-689 1555... [Pg.183]

The Regime de Permissiio de Lavra Garimpeira"" ( Garimpo"" Mining Permit System) was instituted as a result of these constitutional provisions and can basically be defined as the system to be applied to the eluvium, alluvium, colluvial or other deposits as defined by the DNPM ( Bureau of Mines"") that may be mined without the need for previous prospecting work. This law can only be applied inside well-defined areas (17,18). [Pg.286]

In tire preceding example, tire stmcture of tire catalyst combined witli reactants and products was detennined and tire data were used to infer a cycle. Stmctures of tire highly reactive intennediates in catalysis are generally elusive and infonnation about tliem based only on inference. In prospect, tire most incisive infonnation about tire workings of a catalyst can be obtained by observations of tire catalyst in action. The following example illustrates this... [Pg.2708]

In the final chapter ofi this thesis, the work described in the preceding chapters is evaluated. Furthermore, two pivotal themes ofi this work, Lewis acid - Lewis base interactions in water and hydrophobic fiects, are reviewed. Finally, the prospects ofi Lewis-acid catalysis in aqueous solution are discussed. [Pg.161]

The prospect of obtaining new ring systems of unusual structure has led to much work on the photolysis of cyclopentadlene-splropyrazolenlnes and related compounds. The results obtained have justified the expectations. Figure 26 contains some structures prepared in this way. [Pg.251]

Chemical agents that increase the rate of grinding are an attractive prospect since their cost is low. However, despite a voluminous literature on the subject, there is no accepted scientific method to choose such aids there is not even agreement on the mechanisms by which they work. The subject has been recently reviewed [Fuerstenau, KONA Powder and Paiticle, 13,5-17 (1995)]. [Pg.1833]

In the flow schematic (Fig. 22-80), the condenser controls the vapor pressure of the permeating component. The vacuum pump, as shown, pumps both hqiiid and vapor phases from the condenser. Its major duty is the removal of noncondensibles. Early work in pervaporation focused on organic-organic separations. Many have been demonstrated few if any have oeen commerciaHzed. Still, there are prospects for some difficult organic separations. [Pg.2053]

Biosensors ai e widely used to the detection of hazardous contaminants in foodstuffs, soil and fresh waters. Due to high sensitivity, simple design, low cost and real-time measurement mode biosensors ai e considered as an alternative to conventional analytical techniques, e.g. GC or HPLC. Although the sensitivity and selectivity of contaminant detection is mainly determined by a biological component, i.e. enzyme or antibodies, the biosensor performance can be efficiently controlled by the optimization of its assembly and working conditions. In this report, the prospects to the improvement of pesticide detection with cholinesterase sensors based on modified screen-printed electrodes are summarized. The following opportunities for the controlled improvement of analytical characteristics of anticholinesterase pesticides ai e discussed ... [Pg.295]

All the above documents may then be compiled and sent to prospective customers for comments. Any suggestions may be incorporated into the original documents to further improve in-house working. These documents will define the quality objectives of the producing company. [Pg.249]

The latest review of the status and prospects of polymer electronics (Samuel 2000), by a young physicist working in Durham University, England, goes at length into the possibilities on the horizon, including the use of copolymer chains with a series of blocks with distinct functions, and the possible use of dendrimer molecules... [Pg.335]

Assuming the work of adhesion to be measurable, one must next ask if it can be related to practical adhesion. If so, it may be a useful predictor of adhesion. The prospect at first looks bleak. The perfect disjoining of phases contemplated by Eq. 1 almost never occurs, and it takes no account of the existence of an interphase , as discussed earlier. Nonetheless, modeling the complex real interphase as a true mathematical interface has led to quantitative relationships between mechanical quantities and the work of adhesion. For example, Cox [22] suggested a linear relationship between Wa and the interfacial shear strength, r, in a fiber-matrix composite as follows ... [Pg.10]

A copy of the general safety rules accompanied by a receipt form shall be included with the prequalification letter to a prospective contrac-tor/subcontractor. This document sets forth in broad terms the safety requirements with which a contractor/subcontractor is expected to conform while working under contract for the host organization. [Pg.219]

It is indeed a distressing prospect to contemplate the complications introduced by chemical changes into an otherwise orderly physical description. The chemical complications are intimately intertwined with the mechanical and physical effects, which are already understood to be more complex than present theory indicates. As the questions addressed in solid state chemistry are quite different from those addressed in prior work, new approaches are required to develop a scientific understanding of the field. [Pg.141]

A prospective location may appear to be right in all other respects but fails because of the manpower resource. This refers to not only the economic aspects such as the availability of labor and skills but also to the qualitative ones of being able to understand the local culture and customs, appreciation of people s attitudes and values. It also refers to the confidence in the ability to blend these with the culture and aspirations of the company to form a cohesive production unit that will work. A successful processing concept in one cultural environment may not be a success in another. [Pg.36]

Vet prospective bidders carefully prior to invitations to bid to ensure as much as possible that they are capable of carrying out the work. [Pg.97]

If a particle A must know B s total information content before colliding, the collision process must be delayed until A has full access to that information. However, such a delay is consistent neither with classical nor quantum mechanics, Minsky instead suggests that the collision proceeds immediately, but with the particles both working with less than all the information that is classically required i.e, the incoming particles momenta are estimated. Outgoing momenta are determined via conventional classical rules, but, because of the estimation errors, each scattered particle leaves behind a receipt recording how much momentum was really taken away in the process. Receipts not only mark prospective event-locations at which future collisions might take place, but harbor information that can be used to estimate new real momenta. [Pg.663]

With an oxygen-bearing stereocenter in proximity to the C-16 ketone carbonyl in 155, the prospects for achieving a diastereose-lective ketone reduction seemed favorable. From the work of Mori and Suzuki, it was known that similarly constituted ketones are amenable to /i-chelation-controlled reductions with lithium alumi-... [Pg.607]

Unquestionably the best way to achieve that end would have been to rewrite the book, to expand its size and its scope, along some lines which are still unconventional but hold out promise for future interest. The prospect of undertaking this frightened us. Also, we acknowledge that there already exists a monumental treatise of this elaborate sort, dedicated to the standard parts of the newer mathematics, in the work of Morse and Feshbach, whose excellence would be hard to approach. We, therefore, decided upon the less ambitious course of editing a work which offers what we regard as the most important components of today s useful mathematics in separate chapters written chiefly by experts. [Pg.789]


See other pages where Prospective Work is mentioned: [Pg.238]    [Pg.38]    [Pg.19]    [Pg.21]    [Pg.189]    [Pg.190]    [Pg.108]    [Pg.238]    [Pg.38]    [Pg.19]    [Pg.21]    [Pg.189]    [Pg.190]    [Pg.108]    [Pg.4]    [Pg.509]    [Pg.245]    [Pg.71]    [Pg.21]    [Pg.146]    [Pg.481]    [Pg.271]    [Pg.401]    [Pg.1074]    [Pg.52]    [Pg.8]    [Pg.1284]    [Pg.375]    [Pg.489]    [Pg.8]    [Pg.507]   


SEARCH



PROSPECT

Prospecting

The Present State and Future Prospects of AFC Work

© 2024 chempedia.info