definitions and classifications of metal tray pack defects
Tài liệu Báo cáo khoa học: Neuronal growth-inhibitory factor (metallothionein-3): reactivity and structure of metal–thiolate clusters* doc
... Thiolate is a soft ligand and therefore shows a preference for soft metals Moreover the structures of metallothioneins are not rigid and hence there is little selectivity concerning the size of the ion ... reactivity of metal thiolate clusters, normally concerning all metallothioneins, are given In the case of Zn (and Cd) the metal is bound by thiolates (i.e deprotonated thiol groups of cysteine) ... [6] of the metal ions Cooperative binding has been reported but is not always found, being dependent on the type of metal, the type of cluster and the pH [2,5,8] In contrast to Zn(II)-MT and...
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Báo cáo hóa học: " Synthesis and Characterization of Metal Nanoparticle Embedded Conducting Polymer–Polyoxometalate Composites" doc
... (Ag-PAni-PMo12 and Au-PAni-PMo12) and characterization of the formed composites The PMo12 as reagent for simultaneous oxidation of aniline and reduction of metal salts for the synthesis of nanocomposites ... 123 Fig UV–Vis spectra of (a) 10 mM PMo12 (b) a mixture of mM PMo12 and 20 lL of aniline (c) after addition of 10 mM AgNO3 (d) after addition of 10 mM HAuCl4 resonance of Ag and Au nanoparticle ... (220), and (311) planes of standard cubic phase of Au (Fig 2b) Fig XRD patterns of (a) Ag-PAni-PMo12 and (b) Au-PAni-PMo12 Nanoscale Res Lett (2008) 3:14–20 Fig FTIR spectra of (a) Ag-PAni-PMo12 and...
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Design, synthesis and applications of Metal Organic Frameworks
... MOFs utilizing this family of ligands failed to yield any MOF We have successfully synthesized new MOFs utilizing 4-(imidazolyl) benzoic acid ligands: Cu MOF-3N, Cu MOF-4, Cu MOF-5 and Cd MOF-3 ... metal ions and organic ligands, it is possible to tailor the structures and sizes of pores within MOFs by design Because of the wide variety of coordination geometries offered by transition and ... 9, the crystal structures of two Cd(II)-based MOFs (i.e., Cd MOF-1 and Cd MOF-2) and three Cu(II)-based MOFs (i.e., Cu MOF-1, Cu MOF-2 and Cu MOF-3) we have prepared all feature non-cubic frameworks...
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DESIGN, SYNTHESIS AND PROPERTIES OF METAL COMPLEXES AND COORDINATION POLYMERS FOR 2+2 PHOTO CYCLOADDITION REACTIONS
... geometry of IV-1 with labels, H- 4-6 bonded chains, and packing of showing the alignment of 4spy ligands XVIII Figure 4-2 TGA and DTG of IV-1 4-7 Figure 4-3 4-10 H-NMR spectra of IV-2 before and after ... (MOFs), Metal- Organic Materials (MOMs) and so on The potential of these compounds is evident from the recent commercialization of five MOFs.[15] Figure 1- A schematic representation of a MOF ... properties in terms of gas storage, separation and selective guest separation is possible via the judicious choice of basic building units of metals or metal clusters, organic ligands and linkers.[18]...
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Fabrication, characterization and application of metal tetraaminophthalocyanine polymer nanostructures
... Therefore, the properties of nanostructures can be widely adjustable by changing their size, shape and processing conditions Nanostructures of metals, semiconductors, and inorganic and organic polymers ... the lowest unoccupied band is the conduction band (CB) The energy spacing between these two bands is known as the bandgap energy (Eg) For conductors, the VB and CB overlap and the intrinsic conductivity ... mechanical properties of nanostructures such as resonance frequency and quality factor On the other hand, defects generated at the surface may cause the rearrangement of existing bulk defects which consequently...
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The effects of clay a m e n d m e n t and composting on metal speciation in digested sludge liang qiao
... quantities of metals extracted by CaCl2, expressed as a percentage of total metal content, were small pH of the sludge compost also affected the solubility of the metal hydroxides and carbonates, and ... the addition of red mud Since the heavy metals have different properties and different concentrations in the red mud and compost mixtures, the speciation of metals and the effect of red mud on ... organic decomposition and therefore reduction of sludge mass The variation of DTPA extracted metals seems to be related to the changes in metal speciation and will be discussed below Metal speciation...
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Báo cáo y học: Esterified Hyaluronic Acid and Autologous Bone in the Surgical Correction of the Infra-Bone Defects"
... probing was recorded and the presence of plaque was registred mesially, buccally, distally, and lingually Data were obtained at baseline before treatment and at 10 days, and 6,9, and 24 months after ... showed absence of bone remodelling, and satisfactory filling of the infra-bone defects with the graft material in situ After months, radiographs showed presence of mild bone remodelling and excellent ... patients with periodontal defects treated by EHA and autologous grafting, males and females, all non smokers, with a mean age of 43,8 years for females, 40,0 years for males and 42 years for all the...
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Application and Comparison of Two Biotic Ligand Models Predicting Copper Toxicity and Accumulation in Heavy Metal Tolerant Moss
... to reduce 50% of growth rate, and β is a parameter showing the inverse of the slope of the dose response curve Total copper concentration (total metal model), and the fraction of BL bound by ... conformation of BL caused by this binding of proton result in decreases in the number of BL The conformation change of BL may decrease the internalization flux of - 343 - Journal of Water and Environment ... so far More detailed modeling of the BLM about heavy metal detoxification and conformation change of BL leads to more appropriate prediction of heavy metal toxicity and accumulation in organisms...
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Numerical simulation and performance test of metal hydride hydrogen storage system
... filtration and D=0.00237 is for LaNi5 The term ε and d are the porosity of metal hydride and average diameter of metal hydride particle, respectively In & the meanwhile, Jf is hydrogen flux and determined ... where K and E are effective thermal conductivity in metal hydride and heat of formation of hydride, respectively The two equations (16) and (19) are the simplified mathematical model of metal hydride ... requirements of metal hydride materials in storage capacity and kinetic behavior, the strict demands also put on the reactor design There are four major concerns of the design of metal hydride...
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Tài liệu Classifications and Scores of the Shoulder ppt
... 5.13 6.1 6.2 6.3 6.4 6.5 6.6 Classifications of pathology of long head of the biceps tendon 35 Variants of the origin of the long head of the biceps from the scapula and glenoid labrum according ... to Samilson and Prieto 163 Classifications of necrosis of the humeral head 165 Classification of osteonecrosis of bone according to Cruess 165 Classification of avascular necrosis of the humeral ... girdles, chosen at random, and found 21 typical and atypical cases of os acromiale, for an incidence of os acromiale of 1.4% The lesion is bilateral in 62% of patients Definition of os acromiale:...
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Tài liệu Báo cáo khoa học: Unusual metal specificity and structure of the group I ribozyme fromChlamydomonas reinhardtii23S rRNA pptx
... the complexity of the ribozyme reactions and the polyanionic nature of RNA, the catalytic chemistry and folding of group I ribozymes (and other large ribozymes) require divalent metals [11,12] ... formation of the active complex, whereas binding of a minimum of m Mn2+ ions forms the inactive complex The sizes of the active and inactive fractions are the result of competitive metal binding ... P5, P6 and minor parts of P5a and P6a are protected Also, J4 is weakly protected, but J5 is weakly cleaved Of particular signicance is the observed cleavage of J6 and the neutrality of J3 ...
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ADSORPTION OF pb AND cd ONTO METAL OXIDES
... 71% of the bio®lm Mn, but also removed 14% of the Fe, 39% of the Al and 32% of the organic material (Table 2) Na2S2O4 removed 83 and 92% of the Fe and Mn, respectively, but also removed 83% of ... reduced both Pb and Cd adsorption, and adsorption to bio®lms extracted with oxalic acid was only slightly greater than that of bare glass (Figs and 3) Relative contributions of metal oxide and organic ... analysis of Cd adsorption isotherm data for extracted and unextracted bio®lms Error bars indicate 2one standard deviation than that of organic material and Al oxides and similar to that of Fe (Fig...
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Effect of metal spiking on different chemical pools and chemically extractable fractions of heavy metals
... samples of both unspiked and metal spiked sludge were drawn for chemical analysis Results and discussion 3.1 Properties of sludge Metal spiking and incubation of sludge led to decrease the pH of sludge ... case of Ni, Cu, and Cd, into F4 fraction in case of Pb, Cu, and Cd, into F2 fraction in case of Ni, Cd, Pb, and Cu and invariably increased the F1 fraction (water soluble and exchangeable form) of ... distribution of different chemical pools of heavy metals in sludge and metal- spiked incubated sludge is depicted in Fig Spiking and incubation appeared to increase the proportions of Cd and Ni in F1 and...
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Báo cáo khoa học: Structure and topology of the transmembrane domain 4 of the divalent metal transporter in membrane-mimetic environments docx
... scan rate of 50 nmÆmin)1 with a respond time of 0.25 s, step resolution of 0.1 nm and band width of nm Each spectrum was obtained from the average of four scans Prior to calculation of final ellipiticity, ... residues of Ile10–Phe18 The intensities of the Ha-HN cross-peaks of Thr11, Ile12 and Thr15 were drastically reduced, and Asp14 completely disappeared in Ó FEBS 2004 Structure and topology of TM4 of ... times of 50 and 100 ms The backbone sequential connectivities were established by following the Ha and HN cross-peaks of adjacent amino acids in the fingerprint and the HN–HN region of the TOCSY and...
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the role of morphology and crystallographic structure of metal oxides
... effects of metal oxide doping include formation of p–n junctions, the appearance of transitional areas and layers acting as catalytic filters, the changes in the valency of metal state, and others ... basis of such materials, it is necessary to expand our understanding of gas sensor mechanism in nanoand polycrystalline oxides For example, it is necessary to establish the role of morphology and ... There are the works of Yamazoe and coworkers in the field of ceramic type sensors [26,44,56–62], in which a direct correlation between grain size of metal oxides and gas sensitivity of conductometric...
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Báo cáo khóa học: Metal-binding stoichiometry and selectivity of the copper chaperone CopZ from Enterococcus hirae pot
... with a metal to ligand charge transfer band (data not shown) The intensity of this band increased with the concentration of added copper in solution, and the plot of A260 vs concentration of copper ... environment of Tyr63 and/ or a contribution of the binding of the copper to the thiolates of the protein A plot of the intensity of the signal at 265 nm against the concentration of added copper ... However, the metal- binding afnities of any copper chaperone for metal ions have not been reported so far Therefore, a study of the strength of interaction of EhCopZ with different metals and a comparison...
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Báo cáo khoa học: " Development and Use of a Gold-Standard DataSet for Subjectivity Classifications" pdf
... i.e., the number of values of L, and produces estimates of the 249 The judges are given lists of sentences for which their tags differ from the biascorrected tags Judges M, D, and J participate ... all conditionally independent of one another, given the value of the latent variable The latent variable represents the true state of the object, and is the source of the correlations among the ... judge and the columns correspond to the tags assigned by judge Let nij denote the number of sentences that judge classifies as i and judge classifies as j, and let/~ij be the probability that a randomly...
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MATERIALS AND METHODS (for definitions and additional details, see the technical appendix at end of chap- ter): Sources of data pdf
... comprising one-fourth of the cases The second most common type of cancer was malignant tumors of the central nervous system for younger than and 5-9 years of age, and lymphoma for 10-14 and leukemia for ... incidence rates for each of the four calendar periods of observation show similar and much higher cancer rates for the youngest (younger than years of age) and oldest (15-19 years of age) age groups ... Utah, and Hawaii and with the metropolitan areas of Los Angeles, California; Detroit, Michigan; San Francisco-Oakland and San JoseMonterey, California; Seattle-Puget Sound, Washington; and Atlanta,...
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Báo cáo khoa học: Metal ions modulate the folding and stability of the tumor suppressor protein S100A2 docx
... conformation and stability of S100A2 will contribute to a better understanding of the regulation of protein function by metal ions, in particular as a putative Zn2+ sensor EF-hand EF-hand Ca2+ Ca2+ ... effects of metal ions on S100A2 folding and stability contribute to a better understanding of the Ca2+- and Zn2+-dependent regulation of the protein In the Ca2+-loaded state, S100A2 binds and activates ... mechanism of Zn2+- and Ca2+dependent activation of S100 proteins The antagonistic effect of Zn2+ and Ca2+ in the control of S100A2 stability provides a molecular rationale for the action of both metal...
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Báo cáo khoa học: Identification and characterization of the metal ion-dependent L-alanoyl-D-glutamate peptidase encoded by bacteriophage T5 pdf
... Asp73, Asp130, and His133) that are typical for metallopeptidases of the M15 family and take part in the binding of the metal ion in the process of catalysis [28] This is the first example of an l-alanoyl-d-glutamate ... aspartic acid of the enzyme and an acidic N-terminal amino acid of the substrate [26] The affinity of bacteriophage T5 endolysin for d-glutamic acid of peptidoglycan and the ability of endolysin ... were taken from the collection of the Laboratory of Molecular Microbiology of the Institute of Biochemistry and Physiology of Microorganisms (IBPM RAS) Strains of E coli K12, B subtilis, M luteus,...
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Tìm thêm: hệ việt nam nhật bản và sức hấp dẫn của tiếng nhật tại việt nam xác định các mục tiêu của chương trình khảo sát các chuẩn giảng dạy tiếng nhật từ góc độ lí thuyết và thực tiễn khảo sát chương trình đào tạo của các đơn vị đào tạo tại nhật bản khảo sát chương trình đào tạo gắn với các giáo trình cụ thể xác định thời lượng học về mặt lí thuyết và thực tế tiến hành xây dựng chương trình đào tạo dành cho đối tượng không chuyên ngữ tại việt nam điều tra với đối tượng sinh viên học tiếng nhật không chuyên ngữ1 nội dung cụ thể cho từng kĩ năng ở từng cấp độ phát huy những thành tựu công nghệ mới nhất được áp dụng vào công tác dạy và học ngoại ngữ mở máy động cơ rôto dây quấn các đặc tính của động cơ điện không đồng bộ đặc tuyến mômen quay m fi p2 đặc tuyến tốc độ rôto n fi p2 động cơ điện không đồng bộ một pha sự cần thiết phải đầu tư xây dựng nhà máy thông tin liên lạc và các dịch vụ phần 3 giới thiệu nguyên liệu từ bảng 3 1 ta thấy ngoài hai thành phần chủ yếu và chiếm tỷ lệ cao nhất là tinh bột và cacbonhydrat trong hạt gạo tẻ còn chứa đường cellulose hemicellulose chỉ tiêu chất lượng 9 tr 25