2481   Modelling the growth of algae in the Lagoon of Venice with the artificial intelligence tool GoldHorn Modelling the growth of algae in the Lagoon of Venice with the artificial intelligence tool GoldHorn    1997 Classical construction of ecological models follows one of the following two approaches: (1) either the measured data are analyzed with a statistical approach and a black-box statistical model is constructed, or (2) the model is deduced from basic (physical, chemical, etc.) principles and the measured data are used to calibrate and validate the model. A combination of the both ways is used very rarely, although it could combine the benefits of both. Machine learning tools (ML), developed within ... 查看全文

2482   Catalysis of phosphoryl group transfer. Role of divalent metal ions in the hydrolysis of lactic acid O-phenyl phosphate and salicylic acid O-aryl phosphates Catalysis of phosphoryl group transfer. Role of divalent metal ions in the hydrolysis of lactic acid O-phenyl phosphate and salicylic acid O-aryl phosphates James J. Steffens, Iris J. Siewers, Stephen J. Benkovic    1975 查看全文

2483   Enhanced statistical damage identification using frequency-shift information with tunable piezoelectric transducer circuitry Enhanced statistical damage identification using frequency-shift information with tunable piezoelectric transducer circuitry    2008 The frequency-shift-based damage detection method entertains advantages such as global detection capability and easy implementation, but also suffers from drawbacks that include low detection accuracy and sensitivity and the difficulty in identifying damage using a small number of measurable frequencies. Moreover, the damage detection/identification performance is inevitably affected by the uncertainty/variations in the baseline model. In this research, we investigate an enhanced statistical dam... 查看全文

2484   Macromol. React. Eng. 10/6-7 Macromol. React. Eng. 10/6-7    2010 查看全文

2485   Preparation of styrene-maleic acid copolymers and its application in encapsulated pigment red 122 dispersion Preparation of styrene-maleic acid copolymers and its application in encapsulated pigment red 122 dispersion    2007 Styrene-maleic acid copolymers were synthesized by free radical polymerization. Encapsulated pigment red 122 dispersions were prepared by sedimentation with these copolymers. Effects of copolymer structure such as molar content of maleic acid, molecular weight, and the amount of copolymers on stability and particle size of dispersion were investigated. The results showed that encapsulated pigment dispersion with higher stability, smaller particle size, and narrower particle distribution could be... 查看全文

2486   Compartmentalisation in miniemulsions: exploration of compartmentalisation and some interesting end-uses Compartmentalisation in miniemulsions: exploration of compartmentalisation and some interesting end-uses    2004 Infrared spectroscopy and differential scanning calorimetry were used to demonstrate that miniemulsions of relatively hydrophobic monomers are compartmentalised during the reaction. Experiments with blends of miniemulsions of different composition revealed that no mass transfer takes place between droplets of different composition in the same reactor. In addition, it was shown that it is possible to make high solids content, low viscosity latexes with bimodal particle size and molecular weight d... 查看全文

2487   Beyond patch spraying: site-specific weed management with several herbicides Beyond patch spraying: site-specific weed management with several herbicides L. J. Wiles    2009 Site-specific weed management can include both limiting herbicide application to areas of the field where weed pressure is above the economic threshold (patch spraying) and varying the choice of herbicide for most cost-effective weed control of local populations. The benefits of patch spraying with several, postemergence herbicides in irrigated corn were evaluated in simulation studies using weed counts from 16 fields. Patch spraying with one, two or the number of herbici... 查看全文

2488   Preview: Angew. Chem. Int. Ed. 25/2009 Preview: Angew. Chem. Int. Ed. 25/2009    2009 查看全文

2489   Rheological Study of Physical Cross-Linked Quaternized Cellulose Hydrogels Induced by β-Glycerophosphate Rheological Study of Physical Cross-Linked Quaternized Cellulose Hydrogels Induced by β-Glycerophosphate Jun You, Jinping Zhou*, Qian Li, and Lina Zhang    2012 As a weak base, β-glycerophosphate (β-GP) was used to spontaneously initiate gelation of quaternized cellulose (QC) solutions at body temperature. The QC/β-GP solutions are flowable below or at room temperature but gel rapidly under physiological conditions. In order to clarify the sol–gel transition process of the QC/β-GP systems, the complex was investigated by dynamic viscoelastic measurements. The shear storage modulus (G′) and loss modulus (G″) as a function of (1) concentration of β-GP (cβ 查看全文

2490   Macromol. Symp. 313–314 Macromol. Symp. 313–314    2012 查看全文

2491   Sea ice fluxes and drift trajectories from potential pollution sources, computed with a statistical sea ice model of the Arctic Ocean Sea ice fluxes and drift trajectories from potential pollution sources, computed with a statistical sea ice model of the Arctic Ocean    2004 Using satellite ice drift and ice concentration data, observed sea surface temperature and sea level pressure data we have developed a statistical sea ice model (ISMO) and computed the vectors of ice velocity for the period 1899-2000 and ice concentration for the period 1966-2000. On the basis of the ISMO results, we estimate the sea ice fluxes through the main straits of the Arctic Ocean and simulate trajectories of the ice drift from the locations of potential sources of contaminants. The ISMO... 查看全文

2492   EFFECT OF ORGANIC GRINDING MEDIA ON WATER-SOLUBLE SILICA FRIT† EFFECT OF ORGANIC GRINDING MEDIA ON WATER-SOLUBLE SILICA FRIT† JUTTA BUSCHBOM    2006 The tendency of fine particles of a slightly water-soluble silicate to agglomerate, thus preventing effective determination of grain-size distribution in the dried material, may be overcome by wing organic liquids as the grinding media. An explanation is offered for the action of various liquids. 查看全文

2493   Chelation of uranyl ions by adenine nucleotides. IV. Nuclear magnetic resonance investigations, hydrogen-1 and phosphorus-31, of the uranyl-adenosine 5'-diphosphate and uranyl-adenosine 5'-triphosphat Chelation of uranyl ions by adenine nucleotides. IV. Nuclear magnetic resonance investigations, hydrogen-1 and phosphorus-31, of the uranyl-adenosine 5'-diphosphate and uranyl-adenosine 5'-triphosphat Isaac Feldman, Kenneth E. Rich, Raghunath T. Agarwal    1970 查看全文

2494   Preparation of nanoscale azo pigment yellow 13/poly(styrene–maleic acid) composite dispersions via free-radical precipitation polymerization Preparation of nanoscale azo pigment yellow 13/poly(styrene–maleic acid) composite dispersions via free-radical precipitation polymerization Zian Lin, Fan Yang, Xiwen He and Yukui Zhang    2009 Nanoscale azo pigment yellow 13 (PY13) was coated by poly(styrene–maleic acid) (PSMA) with a free-radical precipitation polymerization, followed by the preparation of the dispersion. The effects of the PSMA structure on the particle size and centrifugal stability were investigated. The experimental results revealed that the particle size was large, and the stability of the PY13/PSMA dispersions was high when the molar ratio of the feeding maleic acid to styrene, the weight ratio of the fee... 查看全文

2495   Solute−Solvent Interactions in Amide−Water Mixed Solvents Solute−Solvent Interactions in Amide−Water Mixed Solvents Begoña García, Rafael Alcalde, and José M. Leal*    1997 Excess volumes, mixing viscosities, and excess Gibbs energies of activation of viscous flow of the aqueous binary mixtures of the amides formamide, N-methylformamide, N,N-dimethylformamide, pyrrolidin-2-one, and N-methyl-2-pyrrolidinone were calculated from density and viscosity measurements. The values of these functions point to strong amide?water interactions with formation of a variety of aggregates, the nature of which depends on the extent of substitution of the amides; comparison of the f... 查看全文

2496   Surface Chemistry of Solid and Liquid Interfaces. By H. Y. Erbil. Surface Chemistry of Solid and Liquid Interfaces. By H. Y. Erbil. Zian Lin, Fan Yang, Xiwen He and Yukui Zhang    2008 查看全文

2497   The possibility of using forward models for multi-limb coordination: Examination of models for grip-load force coupling in humans The possibility of using forward models for multi-limb coordination: Examination of models for grip-load force coupling in humans    2004 According to recent findings in computation theory, the forward model is expected to play an important role in collaboration among effectors. However, no experimental evidence has been presented for the conjecture. The purpose of this study is to examine the possibility of using the forward model in collaboration among effectors, and to investigate grip-load force coupling, which is considered to be one of the collaborations among the effectors. First, the model for human grip-load force couplin... 查看全文

2498   ANNIVERSARY ADDRESS OF THE PRESIDENT ANNIVERSARY ADDRESS OF THE PRESIDENT    2012 查看全文

2499   Macromol. Rapid Commun. 3/2012 Macromol. Rapid Commun. 3/2012 Zian Lin, Fan Yang, Xiwen He and Yukui Zhang    2012 查看全文

2500   The Validity of Ear Prediction Guidelines Used in Facial Approximation The Validity of Ear Prediction Guidelines Used in Facial Approximation Stanislaw Rosloniec    2012 Abstract: This study examined eight previously published ear prediction methods by Welcker, Gerasimov, Fedosyutkin and Nainys, and Broadbent and Mathews. Computed tomography scans of 78 living adults (n1) did not support any of these previously published recommendations. Free earlobes were found to accompany protruding supramastoid crests (Pearson’s χ² < 0.05); and ear length [l] and width [w] differed by sex (p < 0.05), correlated with age (r =&nbs... 查看全文

2501   Synthesis and spectral properties of N-sulfated and/or O-sulfated amino alcohols Synthesis and spectral properties of N-sulfated and/or O-sulfated amino alcohols Yuko Inoue, Kinzo Nagasawa    1973 查看全文

2502   OC36: Liver-to-kidney volume ratio by Virtual Organ Computer-aided AnaLysis (VOCAL) OC36: Liver-to-kidney volume ratio by Virtual Organ Computer-aided AnaLysis (VOCAL) Violeta I. Peacute;rez-Nueno, Vishwesh Venkatraman, Lazaros Mavridis, Tim Clark and David W. Ritchie    2007 查看全文

2503   Cover Image, Volume 50, Issue 6 Cover Image, Volume 50, Issue 6    2012 查看全文

2504   SIMPLE STATISTICAL MODEL OF THE PRESENT-DAY CLIMATE. SIMPLE STATISTICAL MODEL OF THE PRESENT-DAY CLIMATE.    1979 To analyze climatic processes with characteristic times of variation of the order of tens of years, a simple statistical model is constructed whose main difference from the simple deterministic models used earlier by various investigators is consideration of weather fluctuations. The basic equation of the model is written, wherein only the surface temperature averaged over a certain region was examined on the assumption that this parameter is statistically independent of other climatic parameter... 查看全文

2505   MICROSCOPIC STRUCTURE OF APRICOT PUREES MICROSCOPIC STRUCTURE OF APRICOT PUREES H. Kurzweil and A. Weber    2006 查看全文

2506   Molecularly Imprinted Polymers for Cholecystokinin C-Terminal Pentapeptide Recognition Molecularly Imprinted Polymers for Cholecystokinin C-Terminal Pentapeptide Recognition    2007 Molecularly imprinted polymers (MIPs) have been prepared from methacrylic acid (MAA) and ethylene glycol dimethacrylate (EGDMA) as the functional monomer and crosslinker, respectively, for cholecystokinin C terminal pentapeptide (CCK-5), and screened for their rebinding characteristics. They were produced with alterations in the molar ratio of template/monomer/crosslinker and the percentage of net rebinding and the imprinting factor (IF) were used for the evaluation of their imprinting efficacy.... 查看全文

2507   Chapter 2: Theoretical discussion of the requirements in a mastication test Chapter 2: Theoretical discussion of the requirements in a mastication test H. Kurzweil and A. Weber    2009 查看全文

2508   New organic supports for metallocene catalysts applied in olefin polymerizations New organic supports for metallocene catalysts applied in olefin polymerizations    2004 Nano-sized latex particles as organic supports for metallocenes applied in olefin polymerizations are introduced. The particles are functionalized with nucleophilic surfaces such as polyethylenoxide (PEO), polypropyleneoxide (PPO) or pyridine units allowing an immobilization of the metallocene catalysts via a non-covalent immobilization process. The latices are obtained by emulsion or miniemulsion polymerization with styrene, divinylbenzene as the crosslinker, and either PEO or PPO functionalize... 查看全文

2509   Sterilizable Gels from Thermo-responsive Block Copolymer Worms Sterilizable Gels from Thermo-responsive Block Copolymer Worms Adam Blanazs, Robert Verber, Oleksandr O. Mykhaylyk, Anthony J Ryan, Jason Z Heath, C. W. Ian Dougla    2012 Biocompatible hydrogels have many applications, ranging from contact lenses to tissue engineering scaffolds. In most cases, rigorous sterilization is essential. Herein we show that a biocompatible diblock copolymer forms worm-like micelles via polymerization-induced self-assembly in aqueous solution. At a copolymer concentration of 10.0 w/v %, inter-worm entanglements lead to the formation of a free-standing physical hydrogel at 21°C. Gel dissolution occurs on cooling to 4°C due to an unusual ... 查看全文

2510   A Mössbauer Study of the Interaction of Chitosan and d-Glucosamine with Iron and Its Relevance to Other Metalloenzymes A Mössbauer Study of the Interaction of Chitosan and d-Glucosamine with Iron and Its Relevance to Other Metalloenzymes Subhash C. Bhatia† and Natarajan Ravi*‡    2003 The interaction of iron with water-soluble polymer chitosan and monomer d-glucosamine is investigated by M?ssbauer spectroscopy. The 4.2 K M?ssbauer spectrum of Fe?water-soluble chitosan complex indicates the presence of a magnetic pattern and a quadrupole doublet, and analysis of the spectral data leads to the conclusion that an Fe(II) state is partially stabilized in this system. Fe?glucosamine (monomer of chitosan) complex, on the other hand, clearly stabilizes the Fe(II) state in the acidic ... 查看全文

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