Big Chemical Encyclopedia

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

Articles Figures Tables About

Areas of Importance

Another area of importance is contamination. Jet fuels are tested for the presence of heavier fuel contamination by use of an existent gum test, which detects the presence of heavier hydrocarbons from other products. Testing also is carried out to detect the presence of excessive levels of undissolved water and solids, as well as for surfactants that can adversely affect the ability of filters and coalescers to remove dirt and water from the fuel. [Pg.111]

Chapter 5, written by M. Hissler, P. W. Dyer, and R. Reau, concerns an area of important expansion, i.e., the synthesis and properties of rr-conjugated oligomers and polymers containing phosphorus moieties. The possibility of using... [Pg.282]

Once again, a representative sample of zinc phthalocyanine complexes is presented highlighting particular areas of importance. [Pg.1220]

Annual reviews of areas of importance to pharmaceutical scientists... [Pg.2]

For pH sensors used in in-vivo applications, especially those in continuous pH monitor or implantable applications, hemocompatibility is a key area of importance [150], The interaction of plasma proteins with sensor surface will affect sensor functions. Thrombus formation on the device surface due to accelerated coagulation, promoted by protein adsorption, provided platelet adhesion and activation. In addition, variation in the blood flow rate due to vasoconstriction (constriction of a blood vessel) and sensor attachment to vessel walls, known as wall effect , can cause significant errors during blood pH monitoring [50, 126],... [Pg.312]

In the field of membrane filtration, a distinction is made based upon the size of the particles, which are retained by the membrane. That is micro-, ultra-, nanofiltration and reverse osmosis. Figure 4.8 shows a schematic picture of the classification of membrane processes. The areas of importance for application with homogeneous catalysts are ultra- and nanofiltration, depicted in gray. [Pg.78]

The following discussion will focus upon three areas of importance to successful utilization of an ICP. The three specific areas discussed are nebulizer design, spectral rejection and computer processing capability and have significant influence upon the quality and quantity of data obtained from an ICP-AES. These three features will significantly contribute to the analytical sample rate and the accuracy of the data. [Pg.116]

Much of the ethos of community drug treatment as it has developed has been firmly grounded in harm-reduction policies. There is frequent debate as to exactly what such principles entail, and even how appropriate they are in countries at different stages of development. Those interested in the philosophy are referred to a paper by AL Ball (2007) from the department of HIV/Aids at the World Health Organization, which clearly still sees avoidance of HIV as one of the key aims of this policy agenda. A short commentary on that article succinctly sums up the areas of importance in drug service provision, as follows ... [Pg.110]

WATER SOLUBLE POLYMERS. Water-soluble polymers find application in a wide variety of areas that include polymers as food sources, plasma substitutes, and as diluents in medical prescriptions. Other areas of importance for water-soluble polymers include detergents, cosmetics, sewage treatment, stabilizing agents in the production of commodity plashes, rheology modifiers in the various processes for petroleum, textile, paper, and latex coatings production. The water-soluble polymers discussed in this article have significant commercial impact. [Pg.1736]

The last area of importance for water storage is subcutaneous (under the skin) areas. For those who have not been paying attention, this is the area that a bodybuilder wants to eliminate as much water from as possible the day of a show. The results are a "make-it or break-it" issue. So how do we do it Piece of cake (But not during contest dieting )... [Pg.100]

The 10 ppm method delivers a somewhat conservative estimate in cases where the potency of product A is low and the lot size of product B is small. It is obvious from Eq. (15.2) that two variables drive the acceptance limit the lot size of product B and the shared surface area. Of importance to note is that the potency of lot A is not considered in this calculation. For example, if the shared equipment surface area is constant between two chug product manufactures and the lot size for product B is 50 kg as opposed to 100 kg, the acceptance limit would be calculated to be half of that of the 100 kg lot size. An important aspect of the 10 ppm method is that it is independent of the potency or number of dosage units of either product A or product B. This calculation merely limits the absolute amount of product in A that can carry over to product B and be distributed evenly throughout all of the dosage forms in the second manufacture. Again, the acceptance limit in the ppm method is driven by lot size (kg) and shared surface area of the equipment. [Pg.349]

Mucosal adjuvant and vaccine delivery system development is an area of importance for improving public health. Mucosal immunization can serve in the future in increasing mucosal immune function, induction of protective immunity against infections, and induction of tolerance or modifying autoimmune disorders, allergies, and autoimmune diseases. Development of oral vaccines would have large implications for rural and remote populations where access to trained medical staff to administer vaccines by injection can be lacking. [Pg.214]

The journalist from Dagens Nyheter also stressed that environmental politics is an area of importance for the newspaper. When asked about what good news or a scoop regarding chemicals would involve, several journalists answered that it would be the discovery of buried barrels of toxins. [Pg.61]

One of the main purposes of archaeological chemistry is to deduce history from the analysis and investigation of artifacts. Other major areas of importance include authenticity studies, identification of sources, deduction of production techniques, and dating. [Pg.1]

Organosilicon chemistry has several areas of important applications. Owing to the limitation of the scope of this section, those will be described briefly. [Pg.4474]

Ilias and Govind(lO) have reviewed the development of high temperature membranes lor membrane reactor application. Hsieh(4) has summarized the technology in the area of important inorganic membranes, the thermal and mechanical stabilities of these membranes, selective permeabilities, catalyst impregnation, membrane/reaction considerations, reactor configuration, and reaction coupling. [Pg.217]

The second area of importance involves the complete and economic recovery of triethylaluminum. If this is accomplished, the triethylaluminum can be recycled and therefore will enter the net process essentially as a catalyst. [Pg.147]

The use of thermal analysis techniques has increased rapidly in the past ten years and their field of application is widening continuously. This new book provides an overview of the principal thermal analysis methods and their application in major areas of importance, and will bring the reader up-to-date with the latest advances in the field. Special Publication No. 117 Hardcover viii+296 pages ISBN 0 85186 375 2... [Pg.184]

It is useful to develop orphan drugs to keep competitors out of a therapeutic or disease area of importance to a company. A company may choose to develop a drug to prevent competitors from doing so and not because they want to develop an important orphan drug. [Pg.270]

Build a portfolio of products. Orphan drug benefits may enable a company to develop and market a new drug and help build a portfolio of products in a therapeutic area of importance to them. [Pg.273]

With introduction to organic chemistry we will be able to provide the students some understanding of petroleum chemistry, pharmaceutical chemistry and polymer chemistry which are essential areas of importance in economical growth. [Pg.168]

The purpose of this chapter is to provide some insight into several areas of importance to the desigaer or practitioner of separation processes. [Pg.197]

A second area of importance is that concerned with drilling, where drilling muds are injected into the bore hole both to lubricate the drill and to form a coherent lining to the hole. Among the materials currently in use are slurries of derivatives of... [Pg.198]


See other pages where Areas of Importance is mentioned: [Pg.312]    [Pg.108]    [Pg.37]    [Pg.58]    [Pg.308]    [Pg.438]    [Pg.137]    [Pg.211]    [Pg.211]    [Pg.23]    [Pg.5]    [Pg.312]    [Pg.192]    [Pg.291]    [Pg.466]    [Pg.312]    [Pg.2617]    [Pg.17]    [Pg.152]    [Pg.343]    [Pg.84]    [Pg.528]    [Pg.282]   


SEARCH



© 2024 chempedia.info