Xem 1-20 trên 24 kết quả Charge transfer
  • Tuyển tập báo cáo các nghiên cứu khoa học quốc tế ngành hóa học dành cho các bạn yêu hóa học tham khảo đề tài: Doping graphene films via chemically mediated charge transfer

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  • The new edition of Principles of Electrochemistry has been considerably extended by a number of new sections, particularly dealing with 'electrochemical material science' (ion and electron conducting polymers, chemically modified electrodes), photoelectrochemistry, stochastic processes, new aspects of ion transfer across biological membranes, biosensors, etc. In view of this extension of the book we asked Dr Ladislav Kavan (the author of the section on non-electrochemical methods in the first edition) to contribute as a co-author discussing many of these topics.

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  • After reading this chapter, you will be able to answer the following questions: What are the components of a check? What are the differences among the various types of checks? How and where are deposits accepted? When may a bank charge a customer’s account? What are the different types of electronic fund transfers?

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  • This book came about initially as a result of informal discussions between the authors, all of whom are involved directly, to a greater or lesser extent, with agricultural science and research.

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  • The amino acid residue tryptophan 27 of 6,7-dimethyl-8-ribityllumazine synthase of the yeastSchizosaccharomyces pombewas replacedby tyrosine. The structures of theW27Y mutant protein in complex with riboflavin, the substrate analogue 5-nitroso-6-ribitylamino-2,4(1H,3H)-pyrimidin-edione, and the product analogue 6-carboxyethyl-7-oxo-8-ribityllumazine,weredeterminedbyX-raycrystallography at resolutions of 2.7–2.8 A ˚ .

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  • Depository institutions transmit ACH payments to the Reserve Banks in batches, rather than individually. ACH funds transfers are generally processed within one to two days, according to designated schedules, and are delivered to receiving institutions several times a day, as they are processed. The Reserve Banks offer ACH operator services to all deposi- tory institutions. A private-sector processor also provides ACH operator services in competition with the Reserve Banks.

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  • Electrochemical systems—e.g., batteries, capacitors, and fuel cells—are an integral part of modern technology. Electrochemical techniques, especially potentiometry and voltammetry, are indispensable for state-of-the-art analysis, and also for fundamental studies of the properties of solution species and solid phases and materials. Last, but not least, electrochemical concepts for understanding charge transfer reactions entered the fields of biochemistry and biophysics.

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  • The power state of a laptop computer is usually difficult to determine, unless it is in use and obviously on. A closed laptop has few external indicators, and those that are present are often ambiguous and inconsistent (e.g., between brands or models). In terms of improving our estimates of laptop unit energy consumption, the most relevant data is the amount of time each laptop spends plugged in, and how often its battery is (re)charged. Therefore, we recorded, at a minimum, whether or not each laptop was plugged in. In this report...

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  • After studying this chapter, you should be able to: Allocate service department costs to operating departments using the direct method, allocate service department costs to operating departments using the step-down method.

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  • The staff’s investigation of the 9/11 plot built on the extensive investigations conducted by the U.S. government, particularly the FBI. The government thoroughly examined the plot’s financial transactions, and the Commission staff had neither the need nor the resources to duplicate that work. Rather, the staff independently assessed the earlier investigation. We had access to the actual evidence of the plotters’ financial transactions, including U.S. and foreign bank account statements, fund transfer records, and other financial records.

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  • Peptide and protein sequence analysis using a combination of gas-phase ion–ion chemistry and tandem MS is described. Samples are converted to multiply charged ions by ESI and then allowed to react with fluoranthene radical anions in a quadrupole linear ion trap mass spectrometer.

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  • Therehas longbeenconjectureover thedegree towhichthere may be structural and functional heterogeneity in the tetra-mericserineproteasetryptase(EC 3.4.21.59), amajor mediator of allergic inflammation. We have applied 2D gel electrophoresis to analyze the extent, nature, and variability of thisheterogeneity inlysatesofmast cells isolatedfromlung and skin, and in preparations of purified tryptase. Gels were silver stained, or the proteins transferred to nitrocellulose blots and probed with either tryptase-specific monoclonal antibodies or various lectins. ...

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  • Electricity is an invisible force that is used to transfer energy into heat, light, intelligence, or motion. Electricity is explained in terms of electrical charge, potential differ- ence (or voltage), electrical charge flow (or current), and resistance to current flow. Figure 1-1 graphically illus- trates electron flow through a conductor by comparing it with water flow through a pipe. The normal unit of current measurement is the ampere, whereas the normal unit of voltage measurement is the volt. The unit of opposition to current flow, or resistance, is the ohm...

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  • Metals are used as biomaterials due to their excellent electrical and thermal conductivity and mechanical properties. Since some electrons are independent in metals, they can quickly transfer an electric charge and thermal energy. The mobile free electrons act as the binding force to hold the positive metal ions together. This attraction is strong, as evidenced by the closely packed atomic arrangement resulting in high specific gravity and high melting points of most metals.

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  • The following mechanisms are involved. Glomerular filtration. The rate at which a drug enters the glomerular filtrate depends on the concentration of free drug in plasma water and on its molecular weight. Substances that have a molecular weight in excess of 50 000 are excluded from the glomerular filtrate while those of molecular weight less than 10 000 (which includes almost all drugs)21 pass easily through the pores of the glomerular membrane. Renal tubular excretion. Cells of the proximal renal tubule actively transfer strongly charged molecules from the plasma to the tubular fluid.

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  • Mutual funds charge two kinds of fees: expenses and loads. Expenses comprise the management fee (typically a fixed percentage of assets under management) and other recurring operating costs—such as custodian, administration, accounting, registration, and transfer agent fees. Rather than charging explicit fees for these expenses, funds deduct them on a daily basis from the fund's net assets. Expenses are expressed as a percentage of assets under management (the expense ratio). Loads are one-time fees used to compensate distributors.

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  • Introduction: Electrocrystallization refers to nucleation and crystal growth occurring on electrodes in electrochemical systems under the influence of an electric field. Nucleation and growth phenomena are involved in many battery systems, where the electron transfer is coupled to various phase transformations occurring during charge and/or discharge in the active electrode materials. For example, in the lead–acid battery the electrochemical reactions involve formation of different electronically conducting and insulating crystal phases (e.g.

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  • Please note: Sales tax will apply if you provide your customer with a copy of the electronically transferred product in any sort of tangible form such as a copy of the product on a CD or other storage media, a tangible print, copy, or transparency of the product. Tax will also apply if you provide your customer with a digital image delivered on stor age media such as an external hard drive, flash drive, or flash memory card, whether the media is furnished by you or your customer. In addition, your itemized charges to your customer for tangible, intermediate production aids...

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  • The Credit Transfer Act contains various regulations with regard to consumer protection. If a credit institution accepts a credit transfer and it is carried out late, the accepting credit institution has to pay interest which amounts to the base rate according to the German Civil Code plus 5%. If the transfer gets lost, a “money back guarantee” applies for amounts up to EUR 12,500 plus interests and charges. Other liabilities are unaffected by this Act.

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  • Air gap in coupled inductor, 502 in flyback transformer, 503 in inductor, 464-466, 498, 505, 509 in transformer, 469 AL (mH/1000 turns), 509 American wire gauge (AWG) data, 755-756 design examples, 527, 531 Amorphous alloys, 473 AmpereÕs law, 457-458 Amp-second balance (see Capacitor charge balance) Apparent power, 550 Artificial ramp circuit, 415 effect on CPM boost low-harmonic rectifier, 637-639 effect on line-to-output transfer function of CCM buck, 437-438 effect on small-signal CCM models, 428-438 effect on small-signal DCM models, 438-447 effect on stability of CPM controllers, 414-...

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