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titration of oxalic acid with sodium hydroxide equation

Báo cáo khoa học: Interaction of gymnemic acid with cyclodextrins analyzed by isothermal titration calorimetry, NMR and dynamic light scattering doc

Báo cáo khoa học: Interaction of gymnemic acid with cyclodextrins analyzed by isothermal titration calorimetry, NMR and dynamic light scattering doc

Báo cáo khoa học

... correlate with the binding affinity between GA and the receptor.The thermodynamic parameters obtained are in therange of those of other interactions with c-CD [15].The interaction of GA with c-CD ... presence of 2.0 mM a-CD, b-CD, and c-CD. (B) The concentration dependence of c-CD on NMR spectra of 2.0 mM GA. The ratios of c-CD to GAare indicated.Y. Izutani et al. Interaction of gymnemic acid ... (1969) Antisweet activity of gymnemic acid A1 and its derivatives. Life Sci 8, 537–543.3 Yoshioka S (1986) Inhibitory effects of gymnemic acid and an extract from the leaves of Zyzyphus jujuba onglucose...
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Báo cáo khoa học: Mechanism of mild acid hydrolysis of galactan polysaccharides with highly ordered disaccharide repeats leading to a complete series of exclusively odd-numbered oligosaccharides doc

Báo cáo khoa học: Mechanism of mild acid hydrolysis of galactan polysaccharides with highly ordered disaccharide repeats leading to a complete series of exclusively odd-numbered oligosaccharides doc

Báo cáo khoa học

... [21].Hydrolysis of i-carrageenan was extended to 3 h. Small-scale (10 mg) hydrolysis of j-carrageenan was also carriedout with various organic acids, including TFA, oxalic acid, maleic acid, phthalic acid, ... fumaric acid, citric acid, formic acid, succinic acid, and acetic acid, at 60 °C for1.5 h. Reductive hydrolysis of j-carrageenan and agarosewas carried out on a large scale with addition of 0.2 ... mechanism of acid hydrolysis of the3,6-anGal-containing galactans.Results and DiscussionIdentification of a complete series of odd-numbered oligosaccharides resulting frommild acid hydrolysis of...
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Báo cáo Y học: Probing the role of glutamic acid 139 of Anabaena ferredoxin-NADP+ reductase in the interaction with substrates pptx

Báo cáo Y học: Probing the role of glutamic acid 139 of Anabaena ferredoxin-NADP+ reductase in the interaction with substrates pptx

Báo cáo khoa học

... phase with akobs of 180ặs)1and a much slower phase with a kobs of 13ặs)1(Fig. 2B).Reactions of FNR with Fld. These processes were followedmainly at 600 nm to observe production of both ... data will be used together with the three-dimen-sional structure of E139K FNR to reveal the function of thisversatile glutamic acid residue in the interaction of FNR with its substrates.MATERIALS ... side-chain of E139 might influence theproperties of the flavin, assuming some of the functionscarried out by E301 in the wild-type enzyme [22]. In thiscontext, a special reactivity of the side-chain of...
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báo cáo hóa học:

báo cáo hóa học:" High dose concentration administration of ascorbic acid inhibits tumor growth in BALB/C mice implanted with sarcoma 180 cancer cells via the restriction of angiogenesis" potx

Hóa học - Dầu khí

... carcinostatic effects of ascorbic acid, we challenged the mice of seven experimentalgroups with 1.7 ì 10-4 mol high dose concentration ascorbic acid after intraperitonealadministrating them with sarcoma ... concentration of ascorbic acids and the treated times. The cell migration of ras-NIH 3T3 cells was inhibited by the treatments of ascorbic acid (2.5 mM and 10 mM), 24 hours after treatments. Journal of ... at the 18th day was 25.2 g of Group E, 24.8 g of Group F and 26 g of Group G respectively. These datashowed that the treatments of ascorbic acid by challeng-ing with low dose before cancer...
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báo cáo hóa học:

báo cáo hóa học:" Treatment of refractory hip pain with sodium hyaluronate (Hyalgan©) in a patient with the Marshall-Smith Syndrome: A case report" pot

Hóa học - Dầu khí

... 1997, Hyalganđ (sodium Figure 3 A wrist/hand X-ray of a female with MSS, atchronological age of 18 weeks displaying wide phalanges &stippled epiphyses, showing bone age of 1.9 years [9].Figure ... one of the oldest living patients with this rare disorder [3]. Given the natural history of thesyndrome, one would anticipate that older subjects wouldsuffer a great deal of pain as a result of ... High-Molecular-Weight Sodium Hyaluronate for the Treatment of Patients with Periarthritis of the Shoulder. Clinical Therapeutics 1995, 17(5):946.18. Smith G, Myers S, Brandt K, Mickler E: Effect of Intra-articular...
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báo cáo hóa học:

báo cáo hóa học:" Treatment of refractory hip pain with sodium hyaluronate (Hyalgan©) in a patient with the Marshall-Smith Syndrome: A case report" ppt

Hóa học - Dầu khí

... forblood, 1 milliliter (ml) of iopamidol-300 (Isovue-300â)dye was injected, verifying intra-articular spread of thedye (Figure 2). This was followed with an injection of 2mL of 0.5% preservative-free ... one of the oldest living patients with this rare disorder [3]. Given the natural history of thesyndrome, one would anticipate that older subjects wouldsuffer a great deal of pain as a result of ... 1997, Hyalganđ (sodium Figure 3 A wrist/hand X-ray of a female with MSS, atchronological age of 18 weeks displaying wide phalanges &stippled epiphyses, showing bone age of 1.9 years [9].Figure...
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Báo cáo toán học:

Báo cáo toán học: " General decay for a wave equation of Kirchhoff type with a boundary control of memory type" pdf

Toán học

... rates of solutions to a nonlinear wave equation with boundary condition of memory type. Differential Integral Equations. 18, 583–600 (2005)16. Messaoudi, SA, Soufyane, A: Boundary stabilization of ... quasilinear hyperbolic equations with dissipativeterms. Funkcial Ekvac. 33, 151–159 (1990)9. Nishihara, K: Exponentially decay of solutions of some quasilinear hyperbolic equations with linear damping. ... nonlinear wave equations of Kirchhoff type with some dissipation.Nonlinear Anal TMA. 65, 243–264 (2006). doi:10.1016/j.na.2004.11.02313. Yamada, Y: On some quasilinear wave equations with dissipative...
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Báo cáo hóa học:

Báo cáo hóa học: " Global behavior of 1D compressible isentropic Navier-Stokes equations with a non-autonomous external force" docx

Hóa học - Dầu khí

... C1(T)+Ct0ux210u2xdxds.which, by virtue of Gronwall’s inequality, (2.1) and (2.14), gives (2.19).Proof of Theorem 2.1 By Lemmas 2.1-2.3, we complete the proof of Theorem 2.1.3 Global existence of solutions in H2For ... C2(T).(3:22)The proof is complete.Proof of Theorem 3.1 By Lemmas 3.2-3.3, Theorem 2.1 and Sobolev’s embeddingtheorem, we complete the proof of Theorem 3.1.4 Global existence of solutions in H4For ... dependence on the initial data of the solutions to the compressible Navier-Stokes equations with vacuum failed. Themain reason for the failure at the vacuum is because of kinematic viscosity coefficientbeing...
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Báo cáo hóa học:

Báo cáo hóa học: " Research Article Existence of Mild Solutions to Fractional Integrodifferential Equations of Neutral Type with Infinite Delay" pptx

Hóa học - Dầu khí

... solvability of the fractional-o rder functional integrodifferential equations of neutral type with infinite delay.In the present paper, we will consider the following fractional integrodifferential equation ... in the Caputo sense.The aim of our paper is to study the solvability of 1.1 and present the existence of mild solution of 1.1 based on Kuratowski’s measures of noncompactness. Moreover, ... space of all X-valued continuous functions on J with the uniform norm topology.Let us recall the definition of Kuratowski’s measure of noncompactness.Definition 2.1. Let B be a bounded subset of...
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báo cáo hóa học:

báo cáo hóa học:" Research Article On Homoclinic Solutions of a Semilinear p-Laplacian Difference Equation with Periodic Coefficients" pptx

Hóa học - Dầu khí

... applications and extensions of Theorem 1.1 to the existence of homoclinic solutions of difference equations of followingtypes:A Second-order discrete p-Laplacian equations of the formΔ2puk ... is properly cited.We study the existence of homoclinic solutions for semilinear p-Laplacian difference equations with periodic coefficients. The proof of the main result is based on Brezis-Nirenberg’s ... Section 2,wepresenttheproofofthemainresultand discuss the optimality o f the condition F2.InSection 3 , we give some examples of equations modeled by this kind of problems and present some...
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báo cáo hóa học:

báo cáo hóa học:" Research Article Exponential Decay of Energy for Some Nonlinear Hyperbolic Equations with Strong Dissipation Yaojun Ye" ppt

Hóa học - Dầu khí

... nonlinear wave equation with the p-Laplacian operator,”Electronic Journal of Qualitative Theory of Differential Equations, no. 11, pp. 1–13, 1999.20 R. A. Adams, Sobolev Spaces, vol. 6 of Pure and ... evolution equations,” Journal of the Mathematical Society of Japan, vol. 30, no. 4, pp. 747–762, 1978.14Y. Ye, “Existence of global solutions for some nonlinear hyperbolic equation with a nonlineardissipative ... viscoelasticity,” Journal of Differential Equations, vol. 44, no. 2, pp. 306–341, 1982.3 D. D. Ang and P. N. Dinh, “Strong solutions of quasilinear wave equation with non-linear damping,”SIAM...
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Báo cáo sinh học:

Báo cáo sinh học: " Research Article Positive Solutions of nth-Order Nonlinear Impulsive Differential Equation with Nonlocal Boundary Conditions" potx

Điện - Điện tử

... introduction of the basic theory of impulsivedifferential equations, see Lakshmikantham et al. 1; for an overview of existing results and of recent research areas of impulsive differential equations, ... value problem of the theory of heat conduction with a nonclassical boundary condition,” Differential Equations, vol. 13, no. 2, pp. 294–304, 1977.17 R. Yu. Chegis, “Numerical solution of a heat ... IntroductionThe theory of impulsive differential equations describes processes which experience a suddenchange of their state at certain moments. Processes with such a character arise naturallyand often, especially...
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báo cáo hóa học:

báo cáo hóa học:" Quantum transport simulations of graphene nanoribbon devices using Dirac equation calibrated with tight-binding pi-bond model" pptx

Hóa học - Dầu khí

... inset of Figure 6b, which shows the log-scale of theDOS(E) in the vicinity of E = −Eg/2 . Two discrete bound states, with the heights of their DOS(E) partially captured, are discernible within ... DOS(E) and T (E) of a simple Laplace Potential. (a) Schematic of a simpleLaplace potential profile with a bias of 0.3 V across the GNR channel. (b) The resultingDOS(E) versus E with red arrow ... DOS(E) and T(E) of a rectangular barrier. (a) Schematic of a rectangularbarrier of height 0.1 eV across the W14 GNR channel. (b) The DOS(E) with red arrowindicating region of reduced DOS(E...
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Báo cáo hóa học:

Báo cáo hóa học: " Research Article On the Spectrum of Almost Periodic Solution of Second-Order Neutral Delay Differential Equations with Piecewise Constant of Argument" ppt

Hóa học - Dầu khí

... Spectrum of Almost Periodic Solution of Second-Order Neutral Delay Differential Equations with Piecewise Constant of ArgumentLi Wang and Chuanyi ZhangDepartment of Mathematics, Harbin Institute of ... DoslyThe spectrum containment of almost periodic solution of second-order neutral delay differentialequations with piecewise constant of argument EPCA, for short of the form xtpxt − 1qx2t ... basic frequencies thebase of spectrum of almost periodic differential equations ODE ˙x  ψx, t, x ∈ Rn ,with those of its unique almost periodic solution. For scalar equation, n  1, Cartwright’s...
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báo cáo hóa học:

báo cáo hóa học:" L^{infty} estimates of solutions for the quasilinear parabolic equation with nonlinear gradient term and L^1 data" ppt

Hóa học - Dầu khí

... a priori estimates of the assumed solutions u(t) and give a proof of Theorem 2.4. The solutions are in fact given as limits of smooth solutions of appropriate approx-imate equations and we may ... parabolicequations of m-Laplacian type with a nonlinear convection term. J. Diff. Equ. 162, 224–250(2000)[10] Ohara, Y: L∞estimates of solution of some nonlinear degenerate parabolic equations.Nonlinear ... uniqueness of entropy solutions of parabolic problems with L1data. Nonlinear Anal. 28, 1943–1954 (1997)[12] Ladyzenskaya, OA, Solonnikov, VA, Uraltseva, NN: Linear and Quasilinear Equations of Parabolic...
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