conducting polymers with isolated chromophores
Handbook of Polymer Synthesis Second Edition Episode 15 pdf
... in epoxy prepolymers become significantly involved in the crosslinking reaction, then these polymers are more properly included in the third class of prepolymers Structopendant prepolymers Structopendant ... [51] B Curing The epoxy prepolymers are considered as structopendant prepolymers because of the pendant aliphatic hydroxyl groups or as structoterminal prepolymers with respect to the terminal ... [76,99–102] In ultradilute solution, polymers with pendant vinyl groups have been reported to undergo self-crosslinking Mecerreyes et al have prepared copolymers with pendant methacryloyl groups...
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DMF Decomposition and Nitrogen Removal Performance by a Mesh-Filtration Bioreactor under Acidic Conditions
... washed twice with pure water The batch-type experiments were conducted at pH 3, 5, and 7: the pH solution was prepared with 0.01 M phosphate buffer; the pH solution was prepared with 0.01 M phosphate ... L·d-1 for 20 h each day with a hydraulic retention time (HRT) of or 2.5 days, respectively Filtration was conducted twice or four times per day, and 0.8 L of the effluent was withdrawn during each ... at 30 °C for h with gentle shaking Five microliters of the cell suspension was spotted on a slide glass and fixed by drying at 30 °C for The fixed cells were counterstained for with 10 μL of SYBR...
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simple and rapid synthesis of a-fe2o3 nanowires under ambient conditions
... batteries) under ambient conditions; the process of NW formation is very rapid, with a typical growth time of a few seconds, and with a very little energy consumption The method is described in detail ... (99.99% and 99.5%, Goodfellow) with a diameter of 0.25 mm under ambient laboratory conditions The growth was carried out by applying a potential difference of 2.7 7.8 V (with a current of 2.5 2.6 ... typical length of the NWs was about μm High-resolution TEM images (with their Fourier transform shown as an inset) were consistent with the rhombohedral crystal structure of -Fe α 2O3 (Fig 2(b) and...
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báo cáo hóa học:" Global exponential synchronization of delayed BAM neural networks with reaction-diffusion terms and the Neumann boundary conditions" docx
... networks (NNs) with reaction-diffusion terms is investigated A feedback control law is derived to achieve the state global exponential synchronization of two identical BAM NNs with reaction-diffusion ... delayed reaction-diffusion NNs with the Dirichlet boundary conditions in terms of p-norm In [25], the synchronization scheme is discussed for a class of delayed NNs with reaction-diffusion terms ... synchronization of the drive-response structure of NNs with reaction-diffusion terms Meanwhile, although the models of delayed feedback with discrete delays are good approximation in simple circuits...
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Báo cáo lâm nghiệp: " Growth and mineral content of young chestnut trees under controlled conditions of nutrition" ppsx
... extent with CaMg Some differences concerning leaf morphology and colour were also observed in 1995 Leaves were either rounded, large and deepgreen or small, elongated and yellow-green with or without ... greenhouse with temperature measurement The temperature varied from a minimum of °C during the winter to a maximum of 45 °C in the summer Being protected against rain fall, the trees were watered with ... observed for treatment B, in comparison with O, but only the diameters were signif- icantly higher (table II) the pH greater (6.8-6.9) where the subsupplemented with the other fer(table VI) The substratum...
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Photodegradation and removal of phenol and phenolic derivatives from petroleum refinery wastewater using nanoparticles of TiO2
... the well known fact that when TiO2 is illuminated with UV light electrons are promoted from the valance band to the conduction band of the semi -conducting oxide to give electron-hole pairs The ... the Kermanshah refinery plant The nanoparticles of TiO2 mixed phase of anatase: rutile with highest activity with 21nm in size were purchased from plasmachem Co Surface area by BET is 80 m2g-1 [22] ... Experiments were carried out for the cases under no light (darkness or black run) and with UV light (both with 100 mg L−1 of TiO2, and temperature of 303 K) Figure shows, very low reduction of...
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Dynamic performance of bridges and vehicles under strong wind
Công trình giao thông, thủy lợi
... dynamic performance on the bridge without wind or with slight wind In Chapter 4, a general analysis model is built for dynamic coupling analysis of a bridge and vehicles With finite-element based dynamic ... CONTROL WITH TUNED MASS DAMPER FOR LONG-SPAN BRIDGES 131 6.1 Introduction 131 6.2 Closed-Form Solution of Bridge-TMD System 132 6.3 Coupled Vibration Control with a ... The record of span length for flexible bridges has been broken with the development of modern materials and construction techniques With the increase of bridge span, the dynamic response of the...
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Báo cáo khoa học: The complex of the insect LDL receptor homolog, lipophorin receptor, LpR, and its lipoprotein ligand does not dissociate under endosomal conditions pot
... LDLR(1–251)LpR(343–850) Fig HDLp remains in complex with LA-1–7 of LpR after EDTA treatment CHO(LpR) cells were incubated with OG–HDLp and washed at pH 7.4 without (A) or with (B) EDTA (C, D) A similar experiment ... washed at pH 7.4 (Fig 2A,B) In contrast, similar experiments performed with cells transfected with LDLR cDNA, which were incubated with OG–LDL and subsequently washed at pH 5.4, resulted in a decrease ... Interaction with b-propeller Required for rigidity of the hinge region Unknown Unknown Required for rigidity of the hinge region Anchorage of EGF-A and EGF-B with LA-7 Interaction with ligand-binding...
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Báo cáo khoa học: Structural studies of the capsular polysaccharide and lipopolysaccharide O-antigen of Aeromonas salmonicida strain 80204-1 produced under in vitro and in vivo growth conditions docx
... a detector in a positive mode with high orifice voltage (200 V) that allowed fragmentation of both polymers (Table 2) The CE-ES-MS spectrum of CPS was consistent with the presence of two major ... methods CPS and LPS samples (0.5 mg) were hydrolysed with 3% (w/v) methanolic hydrogen chloride at 85 °C for h and the reaction mixture was neutralized with silver carbonate (Aldrich, Oakville, ON, ... mLÆmin)1 with the UV detection at 220 nm Fractions were dried and analysed by NMR Fatty acids were determined by GLC-MS analysis of their methyl esters derived by sealed-tube hydrolysis of LPS with...
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assessment of the stress and strain levels at geometrical discontinuities under elastoplastic conditions a case study
... compared with the values obtained with the finite element method, underestimations of local stress levels up to 15 % could be observed The total strain levels at the notch root, estimated with the ... plane For the two dimensional modelling, plane triangular elements with nodes and degree of freedom by node were used in a net with 15865 nodes and 7770 elements In the plane simulation a quarter ... plane strain state As consequence, the local stress varies with thickness, reaching in the middle plane values greater than obtained with the use of the theoretical stress concentration factor...
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Báo cáo lâm nghiệp: "Variation of the tree form factor and taper in European larch of Polish provenances tested under conditions of the Beskid Sądecki mountain range (southern Poland)" docx
... –0.15 –0.20 Provenance material the model form factor was computed and compared with the real one in accordance with equation The residual values of the equation for the form factor computed for ... diameter 15 10 0 10 h (m) 12 14 The estimation of variation of the tree form factor for all data within individual provenances was done in several stages Since the values of the tree form factor ... characteristics of trees, such as height and diameter, were worked out in order to compare real values with model values of the form factor by computing the absolute (δf) (equation 1) and per cent (δf%)...
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Báo cáo lâm nghiệp: "The angular distribution of diffuse photosynthetically active radiation under different sky conditions in the open and within deciduous and conifer forest stands of Quebec and British Columbia, Canada" pptx
... distribution of PAR estimated with the hemispherical canopy photographs with that measured with overcast sky RLRsensor (compare Fig 2A with Fig 3) Results showed a decrease in RLR with decreasing elevation ... orientation within the canopy, leaf area density within the canopy and the degree of overlap which occurs between the individual trees that comprise a stand As these characteristics vary with the ... of PAR in the present study With regards to the azimuthal uniformity, our data was found to be consistent with this assumption: overcast sky RLRsensor did not vary with azimuth angle at the Duparquet...
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Báo cáo lâm nghiệp:"Optimisation of inoculation of Leucaena leucocephala and Acacia mangium with rhizobium under greenhouse conditions" docx
... cultivated in nurseries with a mixture of vermiculite and sterilised peat (9/1, v/v) with a pH = 6.5 The young seedlings were inoculated one week after their transplantation with one milliliter from ... bacteria in the soil living in association with these host seedlings For L leucocephala the dressing of the pre-germinated seeds with arabic gum mixed with the bacterial suspension (M4 technique) ... A mangium seedlings inoculated with different strains and cultivated in greenhouse for 96 days [18] It is interesting to compare our results with those obtained with C calothyrsus in the same...
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Báo cáo lâm nghiệp: "Argan (Argania spinosa (L.) Skeels) seed germination under nursery conditions: Effect of cold storage, gibberellic acid and mother-tree genotype" docx
... argan seed germination of ten argan mothertrees after four different cold storage durations with or without GA treatment MATERIALS AND METHODS Argan fruit is a drupe containing a stone of one ... soaked in distilled water Both lots were rinsed twice with fresh water before seeding A randomised complete block factorial design was used, with 10 mother-trees, four cold storage scenarios and ... treatment and replication are crossed factors As there is no mother tree interaction either with cold storage or with GA treatment, mother trees were further combined in a single 100 seeds (10 × 10...
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Báo cáo lâm nghiệp: "Environmental control of CO assimilation rates 2 and stomatal conductance in five oak species growing under field conditions in Greece" ppsx
... and clay with pH(H O) 7.7 in the surface layer and 8.0 in deeper layers The texture varies between clay and loam Leaf water status Leaf (xylem) water potential (Ψ) was measured with a pressure ... photosynthesis system (Li 6200, Li-Cor, Inc, Lincoln, NE, USA) with a 1/4 L leaf cuvette (Li-6200-13) The leaf was enclosed a in the cuvette for 12-45 s with each measurement of gas exchange Photosynthetically ... summer dry period begins in June and lasts until October The driest months are August and September with a mean monthly precipitation of 22 and 21 mm, respectively A weather station, located at the...
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Báo cáo khoa học: "Gas exchange and water relations of 3 sizes of containerized Picea mariana seedlings subjected to atmospheric and edaphic water stress under controlled conditions" pps
... developed leaks Seedlings with leaky membranes were removed from the experiment The solutions in the basins were stirred with submerged pumps Three basins containing solutions with the PEG concentrations ... seedlings may also have some disadvantages compared with smaller ones The greater transpiring surface of the larger tree In order to anticipate problems with respect to water flux, and the resulting ... overcome browsing damage (Hartwell, 1973, in Newton et al, 1993) In climates with substantial snow accumulation, seedlings with a greater stem diameter are also more resistant to the flattening effect...
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Báo cáo khoa học: "Survival of Clostridium perfringens During Simulated Transport and Stability of Some Plasmid-borne Toxin Genes under Aerobic Conditions" pptx
... A strain JF 2255 (cpb2) was isolated from a horse with typhlocolitis The strains were cultured on Fastidious Anaerobe Agar (FAA) (LabM, Bury, Lancashire, England) with 10% defibrinated horse blood ... were dipped in each mixture for at least one minute Each swab was then placed in a tube with Amies medium with charcoal (Copan International, Corona, Italy) Two experiments were performed to compare ... Johansson et al and virulence factor, designated ß2-toxin, has recently been found and associated with enteric diseases in domestic animals, especially piglets (Garmory et al 2000, Klaasen et al...
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Báo cáo khoa học: "Metabolic and endocrine profiles and reproductive parameters in dairy cows under grazing conditions: effect of polymorphisms in somatotropic axis genes" doc
... and drafted the manuscript IP and JM contributed with the experimental designs MC contributed with the statistical analysis and helped together with AM on data interpretation and manuscript corrections ... products digestion was performed with 5U of SnabI (Fementas Inc., MD, USA) restriction endonuclease The DNA fragments were resolved in a 3% agarose gel stained with EtBr and fragments of either ... number of services per conception and total pregnancy rate) were analyzed with a generalized linear model (GENMOD procedure) with a Poisson distribution and log transformation (calvingfirst service...
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Báo cáo y học: " Validation of an ambulatory cough detection and counting application using voluntary cough under different conditions" potx
... Study phase Duration Activities Supine minutes minutes with no cough minute with 2-5 coughs events minute with 5-8 coughs events minute with weak and strong coughs followed by throat clearings ... Sensors with supporting information from the pneumograph belt and the ambient microphone It should be noted that the algorithm is fully automatic with no need for pre-training of the algorithm with ... further validation is needed in 24 hours ambulatory recordings of patients with respiratory diseases Clearly, a study with Figure Joint Distribution and Linear Regression of Cough Seconds Count:...
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Tìm thêm: 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 điều tra với đối tượng sinh viên học tiếng nhật không chuyên ngữ1 khảo sát thực tế giảng dạy tiếng nhật không chuyên ngữ tại việt nam khảo sát các chương trình đào tạo theo những bộ giáo trình tiêu biểu 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 lồng sóc mở máy động cơ rôto dây quấn các đặc tính của động cơ điện không đồng bộ hệ số công suất cosp fi p2 đặc tuyến hiệu suất h fi p2 đặc tuyến dòng điện stato i1 fi p2 sự cần thiết phải đầu tư xây dựng nhà máy thông tin liên lạc và các dịch vụ 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 theo chất lượng phẩm chất sản phẩm khô từ gạo của bộ y tế năm 2008 chỉ tiêu chất lượng 9 tr 25