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Conditional measurement / preparation

Because solubility and viscosity are non-equilibrium properties, the measured values are dependent upon measurement conditions, sample preparation, and past sample history. Because of this, it is difficult or sometimes even impossible to compare data, to generalize the data and make predictions, and to interpret the data in terms of the basic molecular forces. [Pg.108]

Many methods have been used to produce and characterize protein foams. The foaming characteristics of proteins are markedly influenced by conditions of preparation, measurement, and so forth (13-18). Because of the variety of methods employed, it is difficult to compare data from different sources. [Pg.154]

A major development in the study of EGB s is the recently reported measurements of rates of protonation by acids of known pK. The correlation of such rates with pK, the Bronsted relationship, also enables bases of determined pK to be used in the measurement of kinetic acidities of weak acids. This quantitative approach will eventually lead to the optimisation of reaction conditions for preparative reactions by providing data which can be used to match the acid/base pairs more exactly. In many organic reactions involving bases the base chosen is stronger than is strictly neccessary and consequently such reactions are often complicated by side reactions such as condensation reactions and isomerisations. The advantage of an EGB of moderate strength has been seen in the vitamin A preparation described in Scheme 18, where the facile cisftrans isomerisation is avoided. [Pg.161]

Ushakumari et al. (2007) developed a process for the preparation of expanded ragi. After parboiling and decortication, the grains were conditioned to 40% moisture, flattened in a roller flaker, and then toasted in salt maintained at 220-225 °C for 6 s. Shape factor (ratio of measurements on two peripendicular axes), the expansion ratio (ratio of the volume of expanded millet to that of the decorticated millet of equal weight), apparent bulk density (volume of known weight of expanded millet), and sensory characteristics were the criteria used. The optimum conditions to prepare a product with the highest expansion ratio was then determined. [Pg.251]

Choosing the Right Electrode. Choosing the correct dimensions of the electrodes for your experiment is straightforward since it will dependent on yom sample size and sample container. However, the type of electrode used in your method will depend on the matrix of yom sample and the measmement conditions for die sample preparation. Ideally, sample solutions will have a pH in the range 2 to 12, a temperature between 10 and 50°C, and an ion concentration between 0.5 and 4 M. Most common pH electrodes can provide reliable and accurate measmements under these conditions. Measuring the pH outside the range 2 to 12 requires special electrodes. [Pg.238]

Isolated working heart preparation Perfusion of the heart ex vivo through the left atrium and ejection via the aorta resembling physiological conditions. Measurement of cardiac output. Preload and afterload can be adjusted. Other characteristics similar to Langendorff preparation. [Pg.60]

Abstract The spatiotemporal optical mode of the single-photon Fock state prepared by conditional measurements on a biphoton is investigated and found to be identical to that of a classical wave due to a nonlinear interaction of the pump wave and Klyshko s advanced wave. We discuss the applicability of this identity in various experimental settings. [Pg.41]

We start with a general calculation of the quantum state of a single photon state prepared by a conditional measurement on a PDC biphoton state (Fig. 1). We restrict our consideration to the pulsed regime. In all calculations in this pa-... [Pg.42]

Figure 1. Preparation of single photons by conditional measurements on a biphoton state. Figure 1. Preparation of single photons by conditional measurements on a biphoton state.
The correlation function of the DFG pulse generated through the nonlinear interaction of the advanced wave and the pump pulse is identical to the density matrix of the single photon prepared by conditional measurements on a biphoton performed in the same optical arrangement.2... [Pg.46]

Although the corrected parameters are closer to the ideal limit, they still do not correspond to a perfect Fock state. This is due to loss and background in the preparation channel, which prevent measurement of the exact number of created spin excitations. In principle, the conditional state preparation can be made insensitive to overall Stokes detection efficiency as by working in the regime of a very weak excitation [Duan 2001] however, Stokes chan-... [Pg.73]

The cost of parenteral administration can be high due to the need for frequent dosing and the requirement for aseptic/sterile conditions for preparation of the doses. Moreover, dosing errors due to calculation and/or dilution errors are not uncommon, especially in neonates and infants, as they require frequent dose adaptation, serial dilutions to achieve measurable volumes or withdrawal of a dose volume that is less... [Pg.70]

Apart from checking the plateau, the total counter unit should be calibrated with a calibrating preparation of similar emitter composition to that contained in the water. The measuring conditions, including preparation... [Pg.190]


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See also in sourсe #XX -- [ Pg.36 , Pg.41 , Pg.46 , Pg.48 , Pg.65 , Pg.72 , Pg.73 , Pg.389 ]




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Measurement conditions

Measuring preparations

Preparation measurements

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