why the study of chemistry is important

... Pungerc ˇ ar 2 1 Department of Chemistry and Biochemistry, Faculty of Chemistry and Chemical Technology, University of Ljubljana, Ljubljana, Slovenia; 2 Department of Biochemistry and Molecular Biology ... perfectly match their theoretical values, assuming formation of all seven disulfide bonds in the sPLA 2 molecule. Influence of the mutations on the secondary structure and overall conformation of the AtnI 2 molecule ... mutation (F24N) of AtxA, although in that case lethality of the toxin was dramatically decreased [29]. However, the replacement of N24 by F in this study did not result in higher toxicity of the construct; only...

Ngày tải lên: 31/03/2014, 08:20

Ngày tải lên: 13/07/2014, 23:24

Ngày tải lên: 13/07/2014, 23:26

... studied. 5 Organization of the study The study is composed of three parts. ã Part 1: Introduction. This part introduces the relevance, the aims, the scope and the methodology of the study. ã Part 2 ... Aims of the study This study aims to investigate the characteristics of metaphor in poetry from a systemic functional perspective. The objective of the study is: - To examine the characteristics ... is thus a theory of the global distribution of the units of the grammar. The English grammatical rank scale recognized by Systemic Functional Grammar is as follows: In turn, each unit has their...

Ngày tải lên: 07/11/2012, 14:44

Ngày tải lên: 18/12/2013, 21:45

... for the actual production of movies in HFR, or for showing them. Christie đ is working with several film research groups to examine the use of HFRs in cinema to assist in the establishment of ... ultra- realistic movie-going experiences, and resolving some of the issues that have been problematic for the medium. Some of the biggest movies on the horizon – a pair of Lord of the Rings ... derisively used to describe film purist perceptions of the cool, sterile visuals they say is brought on by digital. But the success of Hollywood, Bollywood and big-budget filmmakers around the...

Ngày tải lên: 19/02/2014, 10:20

... has important consequences for the comparison of the results of this study with the others. Jacobsen et al. (2006) acknowledged this in the first paragraph of their paper when referring to the other ... considered the tradeoff related with the use of artistic vs simple visual materials in experimental aesthetics: “In the former case, there is the advantage of studying reactions to real art and the disadvantage ... reflects the representation of the value of the reward, the neural signals representing this value are not easily distinguished from those reflecting the degree of motor readiness or the preparation of...

Ngày tải lên: 19/02/2014, 17:20

... lodge of the friends of the dead person, except to be buried in the grave of one of them. Much of the property of the deceased person is buried with the body, a portion being placed under the body ... further contribution to the study of the by H. C. Yarrow 34 They pay respect, however, to the memory of the dead, for they embalm the bodies of the men with dried moss and grass; bury them in their ... The body is covered with the fine skin of the sea-otter, always a mark of distinction in the interments of the Aleuts, and round the whole package are stretched the meshes of a fish-net, made of the...

Ngày tải lên: 08/03/2014, 13:20

... that the outline of the theory of dissociation here presented is in accord with the views of the very great majority of the chemists of the present time. Moreover, its introduction to the extent ... at the true explanation of combustion. The discovery of oxygen together with the part it plays in combustion is generally regarded as the most important discovery in the history of chemistry. ... combustion of any substance are called products of combustion of that substance. Thus oxide of sulphur is the product of the combustion of sulphur; oxide of iron is the product of the combustion of...

Ngày tải lên: 14/03/2014, 20:20

... permission of the National Academies Press. Unless otherwise indicated, all materials in this PDF are copyrighted by the National Academy of Sciences. Request reprint permission for this book Copyright ... node-hours. Visit the National Academies Press online and register for Instant access to free PDF downloads of titles from the Distribution, posting, or copying of this PDF is strictly prohibited ... Dear Dr. Hezky: This letter describes the work and transmits the final report of the Committee on Proposal Evaluation for Allocation of Supercomputing Time for the Study of Molecular Dynamics,...

Ngày tải lên: 16/03/2014, 15:20

... algorithms and the selection of the sequences in the alignment determine the nature of the answers returned by the application of the computational tools. The statistical nature of these tools makes their ... in the function of the protein family, normal- ized by the number of conserved positions in each subfamily. The distance between the distribution of tree-determinants and the product of the distributions of ... exceeds the number of L ⁄ 2 correlated pairs, they are all taken into account. Finally, the location of the identified residues on the ‘outward’ facing portions of the monomers is established using the...

Ngày tải lên: 16/03/2014, 22:20

... radiography. It then proceeds to discuss the application of these techniques for the study of objects of cultural heritage significance. Professor Tim Wess is responsible for Chapters 3 and 4 of this volume, ... spots of organic or mineral pigments suspended in organic media; ã varnish. One wants to determine the texture of the backing and of the paint layer, the characteristic “touche” of the author, the ... characterisation, analysis of cultural heritage artefacts why? 4 2.1. Determination of the nature of component materials of an artefact 4 2.2. Dating 5 2.3. Determination of the creative process of...

Ngày tải lên: 22/03/2014, 09:20

... repetitive sequences. Analysis of the DNA methylation profile for therapeutic use of human ES cells in regenerative medicine The potential use of human ES cells in the field of regenerative medicine has been discussed ... helps avoid the ethical issue of embryotoxicological surveillance of ‘epimutagens’ [17]. In addition, it is necessary to assess the effects of agents on the ES cell itself, for future therapeutic ... biology is the establishment of embryonic stem (ES) cells, which maintain the ability to form all types of cells in the body, and can differentiate into a variety of cell types in vitro [8]. The...

Ngày tải lên: 23/03/2014, 07:20

... characteristic is love, satisfies the need for the extension of the sphere of love to which the man of the social conception of life had been brought. For the latter, the welfare of the personality ... right. The Christian precepts (the commandment of love is not a precept in the strict sense of the word, but the expression of the very essence of the religion) are the five commandments of the ... this we need only follow the rule of love to humanity, dismissing all thought of love of God altogether. The mistaken notion of scientific men that the essence of Christianity consists in the...

Ngày tải lên: 29/03/2014, 02:21

... without the least shadow of proof, with the glorious name of Leonardo. On the other hand, it is perfectly true that Victor Hugo is the author of the Châtiments. The conclusion is, that the most ... discovered, denounced, and eliminated. The theory of the operations of external criticism is now so well established, the number of specialists thoroughly versed in them is now so great in every country, ... possible, the origin of documents which are furnished with no indications at all on this head. As the procedure90 is the same in both cases, it is not necessary to distinguish further between them....

Ngày tải lên: 29/03/2014, 11:21

... energy between the nucleus and the matrix, or the driving force. In addition to this, the weakness of the conventional OG theory is in much reliance on the grain boundary mobility. One of the present ... and S 2 , intersecting along the common slip direction, the x 3 axis; the x 2 axis bisects the angle between the poles of these planes. The loading direction lies within the quadrant drawn between ... overview of the latest research and methods in a variety of fields where recrystallization is studied and is an important factor. Perhaps the main advantage of a new look at these fields is the rapid...

Ngày tải lên: 29/03/2014, 21:20

... as is often the case when flexibility is introduced. As will be clear from the following discussion, there are different ways to incorporate the experimental data during the sampling stage. This ... define interface residues. The ques- tion of the reliability of this information is of course very important. In Table 4 we give an overview of some complexes for which the experimental data have been ... on addition of a sec- ond molecule allow assessment of which residues of the labeled molecule are perturbed by the formation of the complex. One then repeats this procedure with the second molecule...

Ngày tải lên: 30/03/2014, 15:20

Ngày tải lên: 18/04/2014, 16:28