separation of isotopes of biogenic elements in two-phase systems

... physico-chemical and engineering bases of production of the isotopes of the elements mentioned above in counter-flow columns are considered in this book. The theory of isotope separation in such columns ... Graphical representation of the separation process in the column, in xy-coordinates: 1, equilibrium line; 2, operating line of the concentration section; 3,...

Ngày tải lên: 01/06/2014, 10:54

... acti- vating E2Fs cooperate with NF-Y proteins binding to CCAAT-boxes and with Myb proteins associating with a distal Myb site in activating the Cdc2 promoter. Binding of the activating E2Fs during ... Dimethyl sulfate footprint- ing of the CDE in the presence of SV40 large T indi- cated a loss of protein occupation on this site in vivo [79].Elevated expression of cyclin A, cy...

Ngày tải lên: 16/02/2014, 09:20

... of a binding protein in membrane extracts tested. P, pan- creas; L, liver; K, kidney; M, muscle. Upward arrows indicate beginning of injection of the extract, downward arrows indicate beginning ... aglycin binding protein purified by affinity chromatography. Lane A, protein molecular mass mark- ers; lane B, the aglycin binding protein isolated from mice; lane C, the aglycin binding prot...

Ngày tải lên: 23/03/2014, 09:21

... was originally introduced to describe #uctuations of widths and heights of resonances in nuclear spectra [12]. Recently, interest in properties of eigenfunctions in disordered and chaotic systems ... structures "rst introduced by Mandelbrot [119] are characterized by an in& quot;nite set of critical exponents describing the scaling of the moments of a distribution o...

Ngày tải lên: 24/04/2014, 17:14

... use of reduced tillage systems, including ZT, and phosphate fertilization are increasing dramatically. The widespread use of this technology along the time will affect the soil properties of the ... we hypothesize that concentrations of trace elements will increase and stratify in those soils. However, as a consequence of the recent introduction of zero tillage and the lack...

Ngày tải lên: 15/03/2014, 23:22

... Department of Cell Biology and Diabetes Research Centre, University of Linko ¨ ping, Sweden 2 Department of Molecular and Clinical Medicine, University of Linko ¨ ping, Sweden 3 Department of Medicine ... considerably in size, from about 25 to over 100 nm in diameter [5]. In adipocytes the insulin receptor resides in caveolae [6,7], and insulin-stimulated uptake of glucose...

Ngày tải lên: 16/03/2014, 13:20

... you doing”. In fact, this kind of greetings is very rude and impolite in western countries, for it is an interference of privacy. Instead we’d better translate them into “hello” “good morning” ... of Culture In accordance with the definitions of culture, it is clear that culture is composed of many elements. It is very conducive to look at the elements of culture as...

Ngày tải lên: 18/03/2014, 10:15

Ngày tải lên: 28/03/2014, 15:20

... Are the main points in my essay clearly stated? d) Do the main points in my essay relate to my original thesis statement? If these questions are expressed in general terms, they are of little ... your observations of other people. The writing in Figure 1 illustrates one kind of challenge in automatic identification of discourse elements, such as thesis statements....

Ngày tải lên: 31/03/2014, 04:20

... show the numbers of male and female workers in 1975 and 1995 in several employment sectors of the republic of Freedonia. Write a report for a university teacher describing the information shown. You ... describing the information shown. You should write at least 150 words. You should spend about 20 minutes on this task.

Ngày tải lên: 04/10/2012, 10:02