rock properties and surface activity
Báo cáo khoa học: Physical properties and surface activity of surfactant-like membranes containing the cationic and hydrophobic peptide KL4 potx
Ngày tải lên :
30/03/2014, 11:20
... experimental and clinical meconium aspiration syndrome [13] and in patients with acute respiratory distress syndrome (ARDS) [14] The surface activity of KL4 peptide incorporated in bilayers and monolayers ... the presence of Ca2+, which caused surface charge neutralization and ⁄ or PA extraction Role of the lipid composition and peptide structure on surface adsorption activity Figure shows the ability ... peptide and lipid bilayers, and their dependence on calcium Therefore, the objectives of this study were to analyze (a) the effect of KL4 on the physical properties of membranes, in the absence and...
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Báo cáo hóa học: " Synthesis, Optical Properties, and Photocatalytic Activity of One-Dimensional CdS@ZnS Core-Shell Nanocomposites" pdf
Ngày tải lên :
22/06/2014, 01:20
... has a wider band gap (Eg = 3.7 eV) than CdS The surface modification of a wide band gap semiconducting shell around a narrow band gap core can alter the charge, functionality, and reactivity of ... showing significantly improved photocatalytic activity than others The enhanced photocatalytic activity may be due to the surface charge modification and surface electronic states passivation of CdS ... Cd, Zn and S with Cd/Zn/S ratio of 0.62:0.36:1 (a stoichiometry close to CdxZn1-xS) The Cu peaks were detected from the grid for TEM observation Optical Properties and Photocatalytic Activity...
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Cu(II) and Ni(II) complexes of n (2 hydroxybenzyl) amino acid ligands synthesis, structures, properties and catecholase activity 4
Ngày tải lên :
15/09/2015, 17:10
... hydrogen bonding with aqua ligands The other two water molecules O(17) and O(18) are found to propagate the hydrogen bonding both with the helical water chain and aqua ligands and it appears that their ... HSglu2- ligand coordinated through phenolic oxygen atom (Ni(1)-O(1), 2.089(4) Å and Ni(2)-O(6), 2.101(3) Å) and secondary amine N atom (Ni(1)-N(1), 2.084(4) Å; Ni(2)-N(2), 2.082(4) Å) and the α-carboxylate ... (Ni(1)-O(2), 2.047(4) Å and Ni(2)O(7), 2.042(4) Å) in a facial manner, two aqua ligands and another carboxylate oxygen from the neighboring molecule Selected bond lengths and bond angles are given...
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Cu(II) and Ni(II) complexes of n (2 hydroxybenzyl) amino acid ligands synthesis, structures, properties and catecholase activity 3
Ngày tải lên :
15/09/2015, 17:10
... III-6 and 3D hydrogen bonded supramolecular structure in III-7 176 Chapter Figure 3-1 Ligands employed for complexation 3-2 Results and discussion The ligands H3Sas, H3Sglu, H3MeSglu, H2Smet and ... range of 670-720 nm and the ligand to metal CT bands in the range of 376-406 nm In general, the d-d transitions and charge transfer transitions occur in the range of 650-730 nm and 360-420 nm respectively ... base ligands containing the amino acid side arms with reactive functional groups –COO-, SCH3 and –CONH2 have been isolated and their Cu(II) and Ni(II) complexes have been synthesized and characterized...
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Cu(II) and Ni(II) complexes of n (2 hydroxybenzyl) amino acid ligands synthesis, structures, properties and catecholase activity 2
Ngày tải lên :
15/09/2015, 17:10
... oxidations and to understand the influence of various parameters that determine bimetallic reactivity both in natural metalloenzymes and in synthetic analogues, studies of the well defined and appropriate ... DMF solution and nujol mull are shown in Table 2-18 The absorption bands observed in the range 620703 nm correspond to d-d transitions and strong bands at 358-402 nm are due to ligand-to-metal ... met state again and closes the catalytic cycle Thus, in short, the catecholase activity of tyrosinase and catechol oxidase is carried out by the oxy form (Cu(II)-O22 Cu(II)) and by the met form...
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Cu(II) and Ni(II) complexes of n (2 hydroxybenzyl) amino acid ligands synthesis, structures, properties and catecholase activity
Ngày tải lên :
15/09/2015, 17:10
... metal-ligand ratio and pH dependent reactivity 21 1-10 Effect of the chelating ability of the amino acid side arm of the ligands on catecholase activity 1-11 Reduced Schiff base ligands containing ... Parts A and B Part-A 48 Synthesis, Characterization, Structural Properties and Catecholase Activity of Dicopper(II) Complexes of reduced Schiff base Ligands 2-A-1 Introduction 61 2-A-2 Results and ... 2-imidazolecaboxaldehyde, and 2-pyridinecarboxaldehyde based ligands 10 Ligands studied by Pal et al 10 Ligands suitable for the complexes with cytotoxic and antitumour activity 11 Molecular structure...
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INFLUENCE OF STREAMSIDE SURFACE AREA ON AQUATIC BIOTA AND BIOFILM ACTIVITY
Ngày tải lên :
05/09/2013, 08:40
... increase in surface area and porosity of streamside on the amount and succession along with the downstream distance of aquatic biota in each trophic level, and (2) a separate evaluation of the activity ... a highly repeatable and easy to measure method for estimating biofilm activity (Hanes and Irvine, 1968) Moreover, it is possible to separate a specific microbial activity and quantify it by adding ... protozoa and metazoa, their density per surface area was high in the gravel-filled channel, and oxygen uptake rate downstream also became higher Based on the above, it suggests that surface area and...
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Báo cáo hóa học: " The Role of Intrinsic and Surface States on the Emission Properties of Colloidal CdSe and CdSe/ZnS Quantum Dots Giovanni Morello Æ Marco Anni Æ Pantaleo Davide Cozzoli " potx
Ngày tải lên :
22/06/2014, 18:20
... the three states, E1,2 and E2,3 We found E1,2 = 21 meV and E2,3 = 16 meV for core QDs and E1,2 = 21 meV and E2,3 = 13 meV for core/shell QDs The PL time decay for core and core/shell samples ... transitions |1i and |2i to carrier recombination from ± 1U and ± 1L states and the transition |3i to a surface states emission By analysing the temperature dependence of the PL intensities I1, I2 and I3 ... PL of CdSe core and CdSe/ZnS core/shell QDs in the first ns arises from the intrinsic bright ± 1U and ± 1L states with lifetime of about 60 ps and 450 ps, respectively, and from surface states...
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Báo cáo hóa học: "Nanocrystal and surface alloy properties of bimetallic Gold-Platinum nanoparticles" pdf
Ngày tải lên :
22/06/2014, 22:20
... band, i.e., from a relatively-broad band feature to a narrow band feature that resembles that of the Pt-atop CO band (Figure 2), is observed to occur at ~ 65% Au, below which the Au-atop CO band ... that the AuPt nanoparticles exhibit bimetallic surface properties This finding further led to the correlation of the Au-atop and Pt-atop CO bands on the surface of the alloy nanoparticles of a wide ... different bimetallic composition The results provide new and important insights into the correlation between the nanoscale core and surface properties over a wide range of bimetallic composition...
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Báo cáo khoa học: "Influence of decaying wood on chemical properties of forest floors and surface mineral soils: a pilot study" pptx
Ngày tải lên :
08/08/2014, 19:21
... described in detail in Lowe (1974) and Lowe and Klinka (1981) Mineral soil samples were also analyzed for oxalate Fe and Al and dithionite Fe, Al and Si Oxalate Fe and Al were extracted using acid ... and higher EA and CEC but lower N, mN, K, ences -S, SO CB, sB, Fep, and tions than the Mormoder Alp concentra- The spodic horizon beneath the Lignomor in the WH stand had higher pH and Ca H and ... release and persistence of organic acids (ligands) capable of mobilizing Fe and Al Consequently, the study of relationships between forest floor properties and the degree of development of albic and...
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Reading DOs and DONTs activity
Ngày tải lên :
04/10/2012, 09:39
... answers is wrong She should: A 26 give two answers just in case B 28 rub it out and leave it blank C 30 forget about it and move on ...
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International Taxation and Multinational Activity
Ngày tải lên :
05/09/2013, 14:17
... American business and the consequent greater ability to relocate productive operations in response to tax incentives See Razin and Slemrod (1990), Giovannini, Hubbard, and Slemrod (1993), and Feldstein, ... technology and its transmission across borders National tax policies affect the costs and returns to R&D performed by multinational firms, and have the potential to influence the location of innovative activity ... economic activity to its tax treatment The lessons provided by such investigations carry valuable implications for a broad range of domestic and international policies, and deepen our understanding...
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Tài liệu Working with Wireframe and Surface Design Workbench doc
Ngày tải lên :
16/12/2013, 03:15
... the curves and support surfaces to create the blend surface and Figure 9-37 shows the resulting blend surface Figure 9-36 The curves and support surfaces Figure 9-37 The resulting blend surface ... Multi-sections Surface Definition dialog, box and complete the multi section surface Figure 9-33 shows sections and guide curves to create the multisection surface and Figure 9-34 shows the resulting surface ... existing surfaces If you select support surfaces with curves, the resulting blend surface will be tangent to the support surfaces To create a blend surface, draw some curves and create support surfaces...
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Tài liệu Validate Data Passed to Properties and Communicate Errors to Developers pdf
Ngày tải lên :
24/12/2013, 06:17
... Return True End If End Function Modify the set blocks of the Fax and Phone properties to call the ValidatePhoneNumber method and throw an InvalidPhoneNumberException if the phone number is not ... new Customer row and you're ready to start testing your new code Your existing code for frmHowTo9_6 should suffice for testing You made sure to handle exceptions thrown from properties in section ... in section 9.2 How It Works Much of the code in this section qualifies and extends the properties you have already defined and implemented This section has two key concepts Validating data is a...
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Tài liệu Module 13: Properties and Indexers pptx
Ngày tải lên :
17/01/2014, 09:20
... between properties and fields Fields have addresses and are physical, whereas properties not have addresses and are logical The next topic compares properties to methods This topic emphasizes that properties ... 13: Properties and Indexers 23 Comparing Indexers to Properties Topic Objective To compare indexers to properties Lead-in Indexers are based upon properties and share many of the features of properties ... of type string and could not be an expression of type void 24 Module 13: Properties and Indexers Differences from Properties It is also important to understand how indexers and properties differ:...
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Tài liệu A Using Properties and Resources doc
Ngày tải lên :
21/01/2014, 06:20
... case those properties aren’t set The Color and Font classes have methods to read colors and fonts from the system 10 July 2002 22:27 984 APPENDIX A: USING PROPERTIES AND RESOURCES properties ... the local filesystem, and calls to getProperties() generate a security violation Version 1.0 of HotJava, the JDK, and the appletviewer allow you to set properties with the properties file in the ... getClass().getResourceAsStream("prop11.list"); Properties p = new Properties( ); try { p.load (is); 10 July 2002 22:27 988 APPENDIX A: USING PROPERTIES AND RESOURCES Example A–2: Getting Properties from a Resource...
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Tài liệu Sport and Physical Activity in Children with Congenital Heart Disease ppt
Ngày tải lên :
12/02/2014, 19:20
... based on recommendations from German and international expert societies (e1, 8, e4, e5, 13) and on longstanding experience in the treatment, sports advice, and care provided in sports activities ... peers means improved quality of life and has a strong social and socializing aspect for children and adolescents Being forbidden to participate in sports and/ or limitations to the extent to which ... a child's perceptive and movement-related experiences Fears and worries for the ill child often result in the parents adopting an over-protective educational style Fear and insecurity prevail...
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Tài liệu Materials, Their Properties and Uses doc
Ngày tải lên :
13/02/2014, 09:20
... sandpaper The chief types of abrasive sand include sandblast sand, glass-grinding sand, and stone-cutting sand Sand for stone sawing and for marble and glass grinding is usually ungraded, with no ... ABRASIVE SAND Any sand used for abrasive and grinding purposes, but the term does not include the sharp grains obtained by crushing quartz and used for sandpaper The chief types of abrasive sand include ... have tough, uniform grains Chats are sand tailings from the Missouri lead ores, used for sawing stone Banding sand is used for the band grinding of tool handles and for the grinding of plate glass,...
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Tài liệu "Promoting healthy diets and physical activity: a European dimension for the prevention of overweight, obesity and chronic diseases" doc
Ngày tải lên :
14/02/2014, 13:20
... European Network on Nutrition and Physical Activity IV.2.1 A network on Nutrition and Physical Activity composed of experts nominated by the Member States, the WHO and consumer and health NGOs has been ... Portugal and Italy report overweight and obesity levels exceeding 30% among children aged 7-11 The rates of the increase in childhood overweight and obesity vary, with England and Poland showing ... ensured in the definition and implementation of all Community policies and activities A number of areas of Community policy are relevant to nutrition and physical activity, and the Council has confirmed...
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