Platinum pps
... Ir and Os in 1803 Gottfried Osann, working with Jons Berzelius, thought he had deă tected three new platinum metals in the residue from an aqua regia extract of a Ural platinum ore, one of which ... conducted in the late 1950s at the General Electric Company research laboratories in Schenectady, New York were aimed at trying to develop a direct hydrocarbon acidelectrolyte fuel cell: Experiments ... evolved, releasing two S per Pt atom After boiling to increase concentration to 2.0 mol L1 Pt, a new acid compound H3Pt(OH)(SO3)2 is formed, which has two strongly acidic H atoms, and one weakly...
Ngày tải lên: 06/07/2014, 23:20
... peptides is possible only in terms of the structural features observed commonly in various NMR-constructed conformers of each peptide, and the common features of R2 and R3 backbone conformers are schematically ... h-60° for the / torsion angle around the C¢i-1-NiCai-C¢i bond sequence [12] Ó FEBS 2004 Different features of repeat fragments in tau MBD (Eur J Biochem 271) 547 Conformational calculations Three ... R3 (B) at different ratios of water/trifluoroethanol (TFE) mixture at pH 4.3 Ó FEBS 2004 Different features of repeat fragments in tau MBD (Eur J Biochem 271) 549 Fig Diagram of NOE connectivity...
Ngày tải lên: 23/03/2014, 12:20
Ngày tải lên: 14/11/2014, 07:13
Synthesis and reactivity studies of cyclopentadienyl derivatives of ruthenium iridium and osmium iridium mixed metal clusters 5
... tetrahedral mixed-metal clusters, MCo3(μ-H)(CO)12 (M = Ru or Fe), with phosphine selenides afforded new chalcogenido-carbonyl bimetallic clusters These reactions gave two main types of products: (1) ... 3389 P Braunstein, L.A Oro, and P.R Raithby, Metal clusters in chemistry, WileyVCH: Weinheim ; New York, 1999 S.W.A Fong, and T.S.A Hor, Journal of the Chemical Society, Dalton Transactions,...
Ngày tải lên: 16/09/2015, 08:30
Synthesis and reactivity studies of cyclopentadienyl derivatives of ruthenium iridium and osmium iridium mixed metal clusters 1
... Transition Metal Clusters, J Wiley: New York, 1980 R.H Crabtree, The Organometallic Chemistry of the Transition Metals, 3rd Edition John Wiley & Sons Inc.: New York ; Singapore, 2001 P.J Dyson, ... facilitate the stabilization of some unusual cluster geometries [36, 37] Clusters with unique structural features and unusual reactivities have been observed by using chalcogen atoms (S, Se, Te) as bridging ... donors The chalcogen ligands have been employed as bridging ligands in cluster growth reactions The new geometries and coordination modes exhibited by the clusters containing bonds between transition...
Ngày tải lên: 16/09/2015, 08:32
Synthesis and reactivity studies of cyclopentadienyl derivatives of ruthenium iridium and osmium iridium mixed metal clusters 2
... presence of molecular hydrogen afforded new ruthenium-iridium mixed metal clusters in moderate yields The synthetic procedures, yields and characterization of the new clusters will be discussed in ... Edition: Wiley: New York, 1986 31 J.A Riddick, W.B Bunger, T Sakano, and A Weissberger, Organic solvents : physical properties and methods of purification, 4th Edition: Wiley: New York, 1986 32 ... Ir CO Os Os Os Scheme 2.11 2.4 Solid state structures of 3a-c, 4a and 4b The overall structural features of these clusters are similar, with 3a, 3b and 4a possessing a Ru3Ir and 3c and 4b possessing...
Ngày tải lên: 16/09/2015, 08:32
Synthesis and reactivity studies of cyclopentadienyl derivatives of ruthenium iridium and osmium iridium mixed metal clusters 3
... of a deuterated benzene solution of 10f3 at ambient temperature indicated the formation of two new singlets at δ 1.82 ppm and δ 1.87 ppm, assignable to the Cp* signals of 10f1 and 10f2, respectively, ... state structures of Cp*IrRu3(RCCR’) clusters and Cp*IrOs3(RCCR’) clusters The general structural features of the Cp*IrRu3(RCCR’) clusters 10a-e, 10f2, 15a1 and 15c1, obtained from the reaction...
Ngày tải lên: 16/09/2015, 08:32
Synthesis and reactivity studies of cyclopentadienyl derivatives of ruthenium iridium and osmium iridium mixed metal clusters 4
... structures of mono and disubstituted PR3 [R = Ph or OMe] derivatives of 3c The general structural features of the mono- and disubstituted PR3 derivatives of 3c were similar Selected bond lengths...
Ngày tải lên: 16/09/2015, 08:32
Báo cáo khoa học: An NMR study of the interaction between the human copper(I) chaperone and the second and fifth metal-binding domains of the Menkes protein pot
... addition, although the two metal-binding domains of Ccc2 are very similar as far as electrostatic features are concerned, the six domains of ATP7A ⁄ ATP7B differ widely in this same respect, even ... QLG2-CT-200200988) 870 L Banci et al References Linder MC (1991) Biochemistry of Copper Plenum Press, New York O’Halloran TV & Culotta VC (2000) Metallochaperones: an intracellular shuttle service for ... trafficking EMBO J 15, 6084– 6095 10 Bull PC & Cox DW (1994) Wilson disease and Menkes disease: new handles on heavy-metal transport Trends Genet 10, 246–252 11 Arnesano F, Banci L, Bertini I,...
Ngày tải lên: 30/03/2014, 15:20
dialogue with bakhtin on second and foreign language dialogue with bakhtin on second and foreign language
... checked and reworked, if necessary, in view of new information This second edition contains approximately 16,000 entries, of which some 4,CKK) are new, representing an increase of about 30% over ... angiogenesis The formation of new blood capillaries It is now believed that, once a solid tumor take has occurred, every increase in tumor size must be preceded by an increase in new capillaries that ... first edition The source material consulted for revision of existing terms and for addition of new terms consisted of over 300 textbooks and reference books of various kinds and of over 600 journal...
Ngày tải lên: 01/06/2014, 01:10
Báo cáo y học: "Characteristics of repair tissue in second-look and third-look biopsies from patients treated with engineered cartilage: relationship to symptomatology and time after implantation" ppsx
... regeneration after Hyalograft® C Autograft implantation was also studied in 23 patients using a new quantitative analysis of collagen type II that distinguishes hyaline cartilage from the type ... induced cartilage regeneration as early as 11 months after implantation, and integration of the newly formed tissues with underlying bone was good in all patients In the present study, we analysed ... to identify the relationship between reconstructive success and histological composition of the new tissue The analysis of cartilage maturation 18 months post implant in the same individual, however,...
Ngày tải lên: 09/08/2014, 13:22
The Scientist and Engineer's Guide to Digital Signal Processing Second Edition
... solve a specific problem Support by Analog Devices The Second Edition of this book includes two new chapters on Digital Signal Processors, microprocessors specifically designed to carry out DSP ... Technologies); Filson H Glanz, Ph.D (Department of Electrical and Computer Engineering, University of New Hampshire); Kenneth H Jacker, (Department of Computer Science, Appalachian State University);...
Ngày tải lên: 13/09/2012, 10:21
Techniques for developing content reading skills for the third year students at the university of odonto and stomatology
... difficult, even impossible in “weaving together ideas in the content” It is common that there are new words, new structures, and ideas in a reading text to every language learner If a learner does not ... explaining new terminologies and translating the text into Vietnamese Students often listen and take notes passively Questions are rarely raised in the class if they not encounter new words or ... enough for them to learn new words And giving examples got the most preference by 37.5% of the students The table shows that most of the teachers (60%) employed translating new words into Vietnamese...
Ngày tải lên: 07/11/2012, 14:50
Motivation in learning english speaking of the second year tourism major students at tourism and foreign language department, sao do college of industry
... is most often defined as a list of general principles or features One of the most recognized of These lists are David Nunan’s (1991) five features of CLT: An emphasis on learning to communicate ... speaking in a controlled way in order to produce features of pronunciation, vocabulary, and structure accurately, but also practice using these features more freely in purposeful communication” ... an adult - possess sufficient analytic skills to perceive, categorize, and store the linguistic features of the L2 - possess a strong reason for learning the L2 - be prepared to experiment by...
Ngày tải lên: 07/11/2012, 15:01
Evaluating the Reliability and Validity of an English Achievement Test for Third-year Non- major students at the University of Technology, Ho Chi Minh National University and some suggestions for chan
... -2- improve the current testing and to create a new really reliable item bank It is also intended to encourage both teachers and learners in their ... their future action, such as improving knowledge and skills, revising knowledge, or applying a -5- new teaching method As Brown (1994: 375) shared the idea that testing is “what teachers measure ... by H Glendinning, E and McEwan, J and published in 2003 by Oxford University Press with some key features: * A topic-centred course that covers key computing functions and develops learners' competence...
Ngày tải lên: 07/11/2012, 15:05
A study on oral presentation difficulties of second year english majors of phuong dong university in the speaking lessons and solutions
Ngày tải lên: 07/09/2013, 13:02
TECHNIQUES FOR DEVELOPING CONTENT READING SKILLS FOR THE THIRD YEAR STUDENTS AT THE UNIVERSITY OF ODONTO AND STOMATOLOGY
... even impossible in “weaving together ideas in the content” 17 It is common that there are new words, new structures, and ideas in a reading text to every language learner If a learner does not ... explaining new terminologies and translating the text into Vietnamese Students often listen and take notes passively Questions are rarely raised in the class if they not encounter new words or ... especially for reading ones They will not be able to use their existing knowledge to comprehend the new material and more importantly they will lose their interest in reading the text Another difficulty...
Ngày tải lên: 07/09/2013, 13:45
Using Third-Party Tools and Having Fun with RS.
... Catalog=RealWorld;¯ Integrated Security= SSPI;"; SqlConnection conReport = new SqlConnection(cnString); SqlCommand cmdReport = new SqlCommand(); SqlDataReader drReport; DataSet dsReport = new dsBarcode(); try ... and selecting Add ® New Item Next, select Report from the Add New Item dialog box Please name the report rptBarcode.rdlc Click the Add button to complete the process and make a new report part of ... OK, Visual Studio will create a new Windows application project You’ll also notice that a new form with the name Form1 is part of the project Figure 13-2 Create a new Windows application If you...
Ngày tải lên: 05/10/2013, 08:48