Literature scientific

Realization of many photometric reactions in water-organics mediums often leads to substantial increasing their sensitivity and selectivity. However, the description of extraction of ion-associates (lA) of basic dyes from water-organic mediums practically is absent in scientific literature. [Pg.75]

This is only one of some very promising potential non-synthetic applications of ionic liquids that have emerged recently. Many others - some more, some less fully documented in patent or scientific literature - have been published. Table 9-1 gives a few examples, showing that most of the non-synthetic applications of ionic liquids can be grouped into three areas. Electrochemical applications benefit from the wide electrochemical window of ionic liquids and/or from the distinct variation of con-... [Pg.349]

Information based on experience, which includes national standards, specifications and codes of practice, and also the technical and scientific literature reviews and reports. Corrosion engineers, technologists and scientists employed by specialist organisations or as consultants form the most important source of information, and their advice should be sought wherever possible. [Pg.404]

One of the most important reasons for man s progress in understanding and controlling his environment is his ability to communicate knowledge to the next generation. It isn t necessary for each twentieth century scientist to invent the atomic description of matter. This was invented by John Dalton in the nineteenth century, and Dalton recorded his ideas in the scientific literature together with the observations that led him to the model. By study of this and subsequent literature a modern scientist can appraise the nature of the description, the facts it will explain, and the limitations. He is quickly able to approach the frontiers of knowledge—the frontiers defined by the limitations in our accepted models of the behavior of matter. [Pg.12]

How richly this prophecy has come true is read in the scientific literature of organic chemistry. His first major success was the synthesis of quinine, a problem he began worrying as a high school student. This compound was to be typical of the difficult molecules he has successfully... [Pg.435]

The scientific literature has become so immense that it is an impossible task for anyone, by reading the original research reports, to become familiar with the background and current status of more than a very limited field. Even in a narrow area, only a few scientists are sufficiently knowledgable and critical to be able to present the kind of review that will be most useful to others. [Pg.191]

Also databases of scientific literature (such as PUBMED, MEDLINE) provide additional functionality, e.g. they can search for similar articles based on word-usage analysis. Text recognition systems are being developed that automatically extract knowledge about protein function from the abstracts of scientific articles, notably on protein-protein interactions. [Pg.261]

One most often undertakes kinetic studies to develop an understanding of the reaction mechanism. Other motives sometimes apply one can learn about the stability, or shelf life, of a material and the practicality of preparing a given substance in the laboratory or commercially. This book is directed toward individuals who wish to be able to read in their own fields of interest the scientific literature that uses these techniques for the study of chemical reactions and the deduction of their mechanisms. It is also intended to be of use to those who plan to undertake these studies on their own. [Pg.1]

Some 50 years have now passed since the publication of a series of papers bearing the title The Nature of the Chemical Bond. 1 7 These papers have provided chemists, physicists, biologists, and mineralogists with the conceptual framework, based on simple valence bond theory and the theory of hybrid bond orbitals, required to investigate a myriad of problems involving the nature of the bonding exhibited in molecules and solids. The ideas contained in these papers were subsequently elaborated on in The Nature of the Chemical Bond which is probably the most often-cited book in the scientific literature.9... [Pg.329]

The EU will accept applications without supporting pre-clinical and clinical data, if it can be demonstrated that the active substances have been in well-established medical use in the Community for at least 10 years, with recognised efficacy and an acceptable level of safety. This route would be appropriate for many common over-the-counter (OTC) products. Safety and efficacy is supported by providing copies of published scientific literature as part of the submission that is, the submission relies on safety and efficacy data available in the public domain, as opposed to confidential data from authorised applications that is the cornerstone of generic applications. [Pg.161]

In this short initial communication we wish to describe a general purpose continuous-flow stirred-tank reactor (CSTR) system which incorporates a digital computer for supervisory control purposes and which has been constructed for use with radical and other polymerization processes. The performance of the system has been tested by attempting to control the MWD of the product from free-radically initiated solution polymerizations of methyl methacrylate (MMA) using oscillatory feed-forward control strategies for the reagent feeds. This reaction has been selected for study because of the ease of experimentation which it affords and because the theoretical aspects of the control of MWD in radical polymerizations has attracted much attention in the scientific literature. [Pg.253]

There is less information available in the scientific literature on the influence of forced oscillations in the control variables in polymerization reactions. A decade ago two independent theoretical studies appeared which considered the effect of periodic operation on a free radically initiated chain reaction in a well mixed isothermal reactor. Ray (11) examined a reaction mechanism with and without chain transfer to monomer. [Pg.254]

Despite the plethora of data in the scientific literature on thermophysical quantities of substances and mixtures, many important data gaps exist. Predictive capabilities have been developed for problems such as vapor-liquid equihbrium properties, gas-phase and—less accmately—liquid-phase diffusivities, aud solubilities of uouelectrolytes. Yet there are many areas where improved predictive models would be of great value. Au accrrrate and rehable predictive model can obviate the need for costly, extensive experimental measurements of properties that are critical in chemical manufactming processes. [Pg.209]

The chapter covers end points in the same order they appear within the Discussion of Health Effects by Route of Exposure section, by route (inhalation, oral, dermal) and within route by effect. Human data are presented first, then animal data. Both are organized by duration (acute, intermediate, chronic). In vitro data and data from parenteral routes (intramuscular, intravenous, subcutaneous, etc.) are also considered in this chapter. If data are located in the scientific literature, a table of genotoxicity information is included. [Pg.253]

Limitations to existing scientific literature that prevent a satisfactory evaluation of the relevance to public health are identified in the Chapter 3 Data Needs section. [Pg.253]

Several excellent reviews have appeared recently (Condon et al. 2005 Huang et al. 2006 Koch and Narjes 2006 Meanwell et al. 2005 Neyts 2006 Shim et al. 2006 Wu et al. 2005), which summarize the development of agents to treat HCV infection. In this report we highlight the application of modem drug discovery tools and techniques to inhibit HCV replication by describing selected examples that have appeared recently in the scientific literature. [Pg.32]

Our understanding of anaphylaxis has advanced substantially since the original description of this phenomenon in the scientific literature over 100 years ago. There is now little reasonable doubt that the IgE-dependent activation of mast cells and basophils is the key event underlying most examples of allergen-induced anaphylaxis in humans [3-5]. IgE binds to the high-affinity IgE receptor, FcsRI, expressed on the... [Pg.45]

Big Chemical Encyclopedia

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