bromides in zeolite synthesis zeolites in bromide synthesis and conversion

Synthesis of zr beta zeolite in fluoride medium and its applications in catalytic liquid phase reactions

Ngày tải lên : 16/09/2015, 17:12

... with 10-ring pores, 4.5-6.0 Å, e.g., zeolite ZSM-5; large pore zeolites with 12-ring pores with 6-8 Å, e.g., zeolite X and Y; and extra-large pore zeolites with 14-ring pores, e.g., zeolite UTD-1 ... heterogeneous catalysts in industry Compared to the successful use of zeolites in hydrocarbon processing, their use in the synthesis of organic intermediates and fine chemicals is in a relatively early ... Typical zeolite pore size using oxygen-packing models are shown in Figure 11 They include small pore zeolites with 8-ring pores with free diameters of 3-4.5 Å, e.g., zeolite A; medium pore zeolites...

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Tài liệu Báo cáo khoa học: The crystal structure of human a-amino-b-carboxymuconatee-semialdehyde decarboxylase in complex with 1,3-dihydroxyacetonephosphate suggests a regulatory link between NAD synthesis and glycolysis ppt

Ngày tải lên : 18/02/2014, 06:20

... domain is colored in light blue and the ACMSDspeciﬁc small insertion domain in blue The DHAP molecule and the protein residues involved in metal coordination are shown as sticks; the Zn2+ ion and ... ligand O1 and O1P ˚ atoms at 2.5 and 2.8 A, respectively Moreover, the ligand is engaged in a number of stabilizing interactions with the protein milieu by contacting both protein residues and ... the ﬁrst structure of an ACMSD in a ligand-bound form and can be used to provide insights into catalysis In particular, the residues involved in inhibitor binding can be suggested to be important...

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Báo cáo khoa học: The occurrence of riboﬂavin kinase and FAD synthetase ensures FAD synthesis in tobacco mitochondria and maintenance of cellular redox status docx

Ngày tải lên : 16/03/2014, 04:20

... recognition in proteinligand, proteinprotein and proteinsurface interaction: development of integrated experimental and computational approaches to the study of systems of pharmaceutical interest and ... 30 40 Time (min) tting according to allosteric kinetics (Eqn 2) gave a Hill coefcient equal to 3.1, and S0.5 and Vmax values equal to 0.32 0.12 lm and 1375 45 pmolặmin)1ặmg)1 protein, respectively ... protein within 15 of incubation Prolonging the incubation time resulted in a signicant decrease in the amount of FAD With prolonged incubation, the hydrolytic process became relevant, causing...

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Báo cáo khoa học: Quantitative modeling of triacylglycerol homeostasis in yeast – metabolic requirement for lipolysis to promote membrane lipid synthesis and cellular growth potx

Ngày tải lên : 16/03/2014, 04:20

... CDP-ethanolamine and CDP-choline to DAG if choline and ethanolamine are present in the medium In our study, this pathway was disabled to reduce the complexity of analysis, thus forcing the cells ... acid (40 : 15 : 0.5), and stained at 120 °C for 15 after submerging the plate in a solution containing 3.2% H2SO4 and 0.5% MnCl2 Lipids were quantiﬁed against appropriate standards by 5560 ð1Þ ... system of linear equations (Eqn 1) is under-determined and a linear objective function was adopted to single out an individual ﬂux distribution using the freely available GNU Linear Programming Kit...

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CHEMICAL REACTIONS IN GAS, LIQUID AND SOLID PHASES: SYNTHESIS, PROPERTIES AND APPLICATION pptx

Ngày tải lên : 28/03/2014, 10:20

... to a combined action of NO2, O2 and UV radiation [4] Reactions of NO2 with polyvinylchloride and polyvinyl fluoride resulted in a slight decrease in the content of chlorine and fluorine atoms, ... described in Ref 15 The interval from the beginning of the experience to the point of intersection of two straight lines for which tg α1 = tg α2 was taken as τ in the presence of InH The first line ... the initial celloviridin powder in the acetate buffer (pH) from components insoluble in the aqueous medium (filler, biomass residues) and to obtain samples containing cellulases soluble in the...

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buchmeiser - polymeric materials in organic synthesis and catalysis (wiley, 2003)

Ngày tải lên : 03/04/2014, 12:15

... Gil, Kerstin Knepper and Stefan Bräse Introduction 137 Linkers for Organic Synthesis on Polymeric Supports 138 Linker Families 139 Benzyl-Type Linkers including Trityl and Benzhydryl Linkers 139 ... change depending on the degree of interaction between the solvent and the resin and the nature of the resin, in particular its degree of cross-linking Highly cross-linked porous resins may display ... solvent imbibed by a macroporous resin and the volume of porogen used in templating the pores in the macroporous resin The distinction between swelling and pore-filling is illustrated very clearly...

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Báo cáo sinh học: " Stimulation of poliovirus RNA synthesis and virus maturation in a HeLa cell-free in vitro translation-RNA replication system by viral protein 3CDpro" docx

Ngày tải lên : 19/06/2014, 08:20

... The viral proteins most directly involved in RNA replication include protein 3AB, the precursor of 3A, which is a small membrane binding and RNA binding protein, the terminal protein VPg, RNA polymerase ... Protein 3CDpro is the precursor of both proteinase 3Cpro and polymerase 3Dpol The 3Cpro domain contains both the proteinase and the RNA binding site [25,26] While the primary RNA binding determinant ... of 3CDpro lies in 3Cpro, lower affinity binding determinants are located in the 3Dpol domain [27,28] We have recently shown that a mutation (3CproR84A/I86A) in the RNA binding domain of 3CDpro...

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Báo cáo toán học: " [18F]CFT synthesis and binding to monoamine transporters in rat" pdf

Ngày tải lên : 20/06/2014, 20:20

... data, and in drafting the manuscript TG has contributed in acquiring the preclinical data, in analyzing and interpreting this set of data, and in drafting the manuscript MH has contributed in the ... the final content of the manuscript OS has contributed in the concept and design of the study, in analyzing and interpreting data, and in drafting the manuscript, as well as in approving the final ... imaging monoamine transporters: dopamine, serotonin, and norepinephrine PET Clin 2009, 4:101-128 Schou M, Steiger C, Varrone A, Guilloteau D, Halldin C: Synthesis, radiolabeling and preliminary in...

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Báo cáo hóa học: " Review Article Recent Advances in Real-Time Musical Effects, Synthesis, and Virtual Analog Models" pot

Ngày tải lên : 21/06/2014, 05:20

... advances in musical eﬀects processing and synthesis have been discussed in this paper In particular, the advances in adaptive eﬀects processing algorithms, synthesis, and processing languages, and ... bidimensional nonlinear map while moving to the digital domain On the other hand, approximations of H(s) aiming at maintaining such parameters decoupled in the discrete-time domain lead to inaccurate ... residing in the server and allowing the user to create connections between these The synthesis engine will, on receiving certain OSC messages, construct UG graphs and schedule processing accordingly...

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Báo cáo hóa học: " Side-by-Side In(OH)3 and In2O3 Nanotubes: Synthesis and Optical Properties" pot

Ngày tải lên : 22/06/2014, 00:20

... was also inherited in the transformation from In( OH)3 to In2 O3 successfully Their composition and single-crystalline structures were conﬁrmed using XRD, TEM, and SAED The optical determinations ... caused by the increasing energy gap resulted from decreasing the grain size In order to further understand the optical nature of In2 O3 nanotube bundles, the room PL spectrum was measured and the corresponding ... nanotube bundles were calcined in the air, the morphology of the nanotube bundles was successfully inherited in the transformation from In( OH)3 to In2 O3 However, the size of the In2 O3 products is slightly...

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Báo cáo hóa học: " Synthesis and Characterization of Monodispersed Copper Colloids in Polar Solvents" pdf

Ngày tải lên : 22/06/2014, 01:20

... reaction process in water medium (a) and E.G medium (b) reaction process is shown in Fig 1b In 15 min, the initial precursor solution with light blue color changed to light brown, red, and black The ... surface with coordination bonds Conclusions In this letter, two monodispersed copper colloids in water and E.G have been prepared In order to obtain pure-phase copper colloid in water, the reaction ... on a copper grid, and drying it in air A thermogravimetric (TG-DTG, Netzsch STA 449C) analyzer (sample mass: about 15.0 mg; atmosphere, ﬂowing dry oxygen; heating rate, 10 K/min) was used for...

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Báo cáo hóa học: " Time-Frequency Signal Synthesis and Its Application in Multimedia Watermark Detection" potx

Ngày tải lên : 22/06/2014, 23:20

... unique properties and advantages of watermarking in joint timefrequency domain In [15], watermark insertion and extraction are both done in time-frequency domain In the embedding process, watermark ... received the B.E degree in electronics and communication engineering from Anna University, Madras, India, in 1993, and the M.S and Ph.D degrees in electrical and computer engineering from the University ... PWVD in time-frequency domain has the form ψT (t, f ) = g(t)H( f ), (10) where g(t) is the time-smoothing window and h(t) is the running analysis window having frequency-smoothing effect In the...

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Báo cáo hóa học: " Warped Linear Prediction of Physical Model Excitations with Applications in Audio Compression and Instrument Synthesis" pdf

Ngày tải lên : 23/06/2014, 01:20

... guitar tones using a combination of physical modelling and warped linear predictive coding is outlined in Section Section analyzes the results from simulated coding scenarios using the recorded ... sequencing program using only virtual instruments and software effects, the file size (including simple instrument and effect model algorithms) is on the order of 500 kB For WLP in Physical Modelling ... coding for MiniDisc, reprinted from the 93rd Audio Engineering Society Convention, San Francisco, Calif, USA, 1992 [19] J O Smith, “Efficient synthesis of stringed musical instruments,” in Proc International...

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ADVANCES IN CERAMICS SYNTHESIS AND CHARACTERIZATION, PROCESSING AND SPECIFIC APPLICATIONS_2 pdf

Ngày tải lên : 29/06/2014, 13:20

... binders) and C (4-wt.% YF3 + 3-wt.% CaF2 and 4.5-wt.% organic binders) sintered at 1750ºC for 2h after de-waxing in Air 228 Advances in Ceramics - Synthesis and Characterization, Processing and ... metal and ceramic parts called Direct Metal Laser Sintering (DMLS), the Laminated Object Manufacturing (LOM) process, Fused Deposition Modelling (FDM), 3D Printing (3DP) and the Inkjet Printing ... showing that the additive chemistry and the doping level both play crucial roles in determining the oxidation behaviour of fully sintered AlN Using different amounts and proportions of sintering...

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ADVANCES IN CERAMICS SYNTHESIS AND CHARACTERIZATION, PROCESSING AND SPECIFIC APPLICATIONS_1 ppsx

Ngày tải lên : 29/06/2014, 13:20

... aggressive media, and various kinds of wear These are, first and foremost, cutting and stamping tools; forming rolls; parts in aviation engines, gas turbines, and compressors; slider bearings; nozzles ... by determining the dihedral surface angle of defined compacts sintered in solid-phase under certain conditions The surface modification and properties induced by a laser beam in pressings of ceramic ... austenite and discrete carbide particles The problems arising in certain applications of sintering, which consists the main operation in powder technology, can be identified and described using modern...

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Báo cáo vật lý: "Synthesis and Characterization of Bismuth Tantalate Binary Materials for Potential Application in Multilayer Ceramic Capacitors (MLCC)" doc

Ngày tải lên : 07/08/2014, 14:20

... control and processing that require better understanding through knowledge advancement in multi-disciplinary Long gone are the days of integrating active or passive components onto the substrate using ... of single phase sample were prepared using a stainless steel die measuring mm in diameter Sufficient amount of powder was added, cold pressed uniaxially, and sintered at 1100oC in order to increase ... homogeneity of the mixture The resulting powder was transferred into a platinum boat and pre-fired at 400oC and 600oC for h in a Carbolite muffle furnace before firing overnight at 800oC Subsequently,...

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Báo cáo khoa học: "Synthesis and analysis of biomass and net primary productivity in Chinese forests" docx

Ngày tải lên : 08/08/2014, 14:21

... linjiang jilin dunhuaxian renyihe jilin helongqingshanlinchang jilin hunjiangwujianfang jilin liuhexiandabeicha jilin shulan guijiafang jilin shulanxianmaanshan jilin wangqingxian jilin yanjisandaowan ... wulashanlinchang neimeng yaluxianamuniu ningxia liupanshanlinqu qinghai datongxiandongxia shanxi fopingxianyilongling shanxi lueyang qinlingxinan shanxi ningshanxiancaiziping shanxi ningshanxianhuoxhitang ... jilin yongjixianwangqi jilin huadianmaoshanlinchang liaoning xinbinxiansankuaishi liaoning kuandianbaishilizi liaoning fuxinxianzhoujiadian neimeng jiagedaqizhen ningxia liupanshanlinqu shandong...

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Báo cáo y học: "Homeostatic mechanisms in dopamine synthesis and release: a mathematical model" pptx

Ngày tải lên : 13/08/2014, 16:20

... synapse, and release their dopamine are complicated and interesting [84,65], but are not included in this model In our model the DATs put released dopamine back into the terminal, but we not include ... dopamine synthesis, release, and reuptake and use it to study homeostasis in single dopaminergic neuron terminals It is known that the enzyme tyrosine hydroxylase (TH), the rate limiting enzyme in ... Modelling 2009, 6:21 exchange between tyrosine and a tyrosine pool that represents all the other uses and sources of tyrosine in the terminal Tyrosine is converted into L-3,4dihydroxyphenylalanine...

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Báo cáo y học: "Markers of collagen synthesis and degradation are increased in serum in severe sepsis: a longitudinal study of 44 patients" pdf

Ngày tải lên : 13/08/2014, 16:20

... maximum PINP and PIIINP and maximum lactate level (P < 0.001 for both PINP and PIIINP) and PINP and PIIINP and liver and kidney-specific SOFA scores ROC curve analysis of maximum PIIINP for liver ... fibrogenesis [21] In our study, PINP and PIIINP did correlate with liver function implying that either synthesis or elimination by the liver in sepsis is affected Because PINP and PIIINP are eliminated ... assay, the inter- and intra-assay of CVs were 3.1 to 9.3% for values within the reference intervals For serum PIIINP assay, inter- and intra-assay of CVs were 3.0 to 7.2% for values ranging from...

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