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Field lateral

On those compressors where rotor dynamics can be a problem, which is on all but the standard units (even them sometimes) and reciprocaiiiit compressors, this is the point where the acceptance of the compressor for vibration and critical speed criteria should take place. Finding these in the field later is what the user and vendor want to avoid, and this is why ail the elaborate and careful work is done at the running test time,... [Pg.410]

In the mid-seventies, with the development of generally applicable stoichiometric asymmetric syntheses, especially the Meyers oxazoline methodology as the first one, the scientific community began to believe that asymmetric synthesis really worked resulting in an explosive growth of this new field. Later on, and mainly driven by the fact that the biological activity of enantiomers is usually different, dozens of new chemical companies were founded all over the world in a newly created area called chirotechnology . [Pg.464]

The first measurements of microwave ionization in any atom were carried out with a fast beam of H by Bayfield and Koch1, who investigated the ionization of a band of approximately five n states centered at n = 65. Using microwave and rf fields with frequencies of 9.9 GHz, 1.5 GHz, and 30 MHz, to ionize the atoms they found that the same field was required at 30 MHz and 1.5 GHz to ionize the atoms, but that a smaller field was required at 9.9 GHz. The measurements showed that at n = 65 frequencies up to 1.5 GHz are identical to a static field. Later, more systematic measurements have confirmed the initial measurements and have allowed significant refinements of our understanding. In Fig. 10.16 we show the ionization threshold fields (in this case the field at which there is 10% ionization) of H in a 9.9 GHz field.21 The ionization fields are plotted as n4E vs n3a>, and they bring out two factors. First, at low frequencies the field required is l/9n4, the static field required to ionize the red n Stark state of m n. Second, as shown by the scaling of the horizontal axis, the required field drops below l/9n4 as the microwave frequency approaches the interval between adjacent n states, 1 In3. [Pg.182]

Development of Background Buffer Feeding The importance of buffer feeding lies simultaneously in the hydro-dynamic aspect of the question and in its effect on the electrical field. Lateral feeding has already been considered in connection with the 1 ... [Pg.106]

Scaled particle theory has not yet been discussed. Equation 13.4.39] is taken from Baumer and Findenegg but originally dates back to Helfand et al. The equation is rigorous for hard disk-like molecules it is combined with a mean field lateral Lennard-Jones pair interaction. In this equation their = na lA if a is the diameter of the disk, is the depth of the Lennard-Jones pair interactions (i.e. the minimum in fig. 1.4.1.a). In this case 6 = a F its maximum in a close-packed monolayer corresponds to (max) = 0.906. The accent emphasizes this different scaling. Baumer and Findenegg applied [3.4.39] to dilute monolayers of 1-chlorobutane, perfluorohexane and fluorobenzene, adsorbed on water from the gas phase. [Pg.250]

Although Kohler and Tishler reported the metallation of benzyl sulfones in 1935 and Field later used benzyl sulfones in Grignard reactions, the use of new bases and the easy introduction of a sulfonyl group into a molecule via alkyl halides and sodium sulfinate resulted in a major development by Julia of the synthetic use of sulfones. [Pg.157]

Did you plan to enter the plant-care field later on ... [Pg.213]

As it can be seen, the recovered source instance U is not homomorphically equivalent to the original source instance there is a homomorphism from U to 7, but no homomorphism can map the constant CS in 7 to the null X in U. Intuitively, there is information loss in the evolution mapping M", which does not export the major field. Later on, in Sect. 5.2, we will show that in fact M" has no chase-inverse thus, we cannot recover a homomorphically equivalent source instance. [Pg.210]

The kinetic theory of liquids has been worked on intensively in this century. The activated-state theories of Eyring (29) and co-workers were the first entry into the field. Later Bom and Green (30, 31), Kirkwood and his collaborators (32), and others developed rigorous kinetic theories. Because of the complexity of the rigorous theories and the diflBculty of getting numerical results from them, attention in recent years has turned to molecular dynamics simulation (33). [Pg.157]

In Sections 17.11-17.14, we will manipulate the force field. Momec3 has a built-in standard force field that can be restored in the project-systems-system-forcejields section by using the defaults option. One can either modify the existing force field, and restore it to the default force field later or add an (empty) force field and set it to the Momec3 default by pressing default When you work on a copy of the force field, remember to select the correct force field when submitting jobs via calc-queue-add. [Pg.254]

The single-stage process was developed by a research group of Hoechst AG (also see [36]). At the time, Hoechst AG owned 50% of the shares of Wacker Chemie. Via the board, they learned at an early time about Wacker s activity on ethylene oxidation and began research on this field. Later on, both companies cooperated and combined their results. [Pg.148]

For example, when the first car transmission was built, it was a purely mechanical system and only a material stress field was used. Next, electric controllers were added with the associated electrical field, which were followed by electromechanical controllers additionally utilizing electromagnetic fields. Later, various sensors monitoring the temperature were incorporated, and they utilize the temperature field. Also, oil-pressure monitoring sensors were added, and they utilize the liquid pressure field. [Pg.331]

At the beginning, regular hardware reliability progress meetings have been organised between the Customer and the Main Supplier to discuss and resolve reliability weaknesses that have occurred in the field. Later, these meetings have been further extended to software problems, and finally they have been defined as PPMs considering all relevant operational, functional and RAM performances. [Pg.2182]

Most importantly, the added content of the PDF document (comments, aimo-tations, form fields) later on can be exported again firom the PDF document and stored back into virtually any enterprise system. Or, as an alternative, all comments coming back from various participants of a review process could be aggregated into one PDF document. This document then gives an overview of aU comments from various review participants in one document. [Pg.685]

Using a two-electrode setup with transparent ITO electrodes, the authors observed that the poly(3,4-ethyl-dioxythiophene)(PEDOT) growth commensurate with the domains of the LC template and the polymer thickness was found to vary with the LC director orientation. The results indicate that the anisotropic LC environment mediates polymerization, especially becanse the polymer growth is faster in cores aligned normal to the snbstrate, that is parallel to the electric field. Later on, the same group determined that in these LLC conditions, electropolymerized PEDOT exhibits anisotropic absorption and conductivity. [Pg.3151]

Ferroelectric liquid crystals are a novel state of matter, a very recent addition to the science of ferroelectrics which, in itself, is of relatively recent date. The phenomenon which was later called ferroelectricity was discovered in the solid state (on Rochelle salt) in 1920 by Joseph Valasek, then a PhD student at the University of Minnesota. His first paper on the subject [1] had the title Piezo-Electric and Allied Phenomena in Rochelle Salt. This was at the time when solid state physics was not a fashionable subject and it took several decades until the importance of the discovery was recognized. Valasek had then left the field. Later, however, the development of this branch of physics contributed considerably to our understanding of the electrical properties of matter, of polar materials in particular and of phase transitions and solid state physics in general. In fact, the science of ferroelectrics is today an intensely active field of research. Even though its technical and commercial importance is substantial, many breakthrough applications may still lie ahead of us. The relative importance of liquid crystals within this broader area is also constantly growing. This is illustrated in Fig. 1,... [Pg.1533]

Fenn and co-workers described electrospray ionization for mass spectrometry analyzing large biomolecules. ESI greatly enhanced MS ability for analysis of proteins or peptides. The mechanism of the ESI source is relatively simple. In an electrospray ionization source, the solution of analytes is nebulized into fine droplets via a capillary tube under a high electric field. The positive charges are accumulated on the surface of the droplets in this field. Later, because of evaporation of droplets, the surface coulombic forces exceed the surface tension and the droplets are dissociated into smaller droplets. This process continues until nanometer-sized droplets are formed. In this way, the ions pass from the source into the mass analyzer, whereas the bulk solvent is pumped away by a vacuum system. The stability limit (Rayleigh limit) of droplets is determined by the Coulomb forces of the accumulated positive... [Pg.101]

Under discussion are those phenomena where - on the level of the single person - a complex mixture of fluctuating rational considerations, professional activities and emotional preferences and motivations finally merge into one of relatively few well demarcated resultant attitudes. These attitudes may be in the field (later denoted as dimension ) of religion, politics, education, habitation, occupation, economic standard, consumer habits, family, sport, etc. A single "attitude may, for instance, find an expression in the form of a religious denomination, in a vote for a certain political party or in membership of a certain income class. [Pg.12]

Actually, for this problem if we assume constant Dp, X, and AT/, we can reduce die BVP to a single equation however, we return to the question of multiple fields later. Let us divide (6.33) by -AT/,... [Pg.266]


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See also in sourсe #XX -- [ Pg.228 ]




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