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Dependence moving from

The coin-tap test is a widely used teclinique on thin filament winded beams for detection of disbonded and delaminated areas. However, since the sensitivity of this teclinique depends not only on the operator but also on the thickness of the inspected component, the coin-tap testing technique is most sensitive to defects positioned near the surface of the laminate. Therefore, it was decided to constructed a new scaimer for automated ultrasonic inspection of filament winded beams. A complete test rig illustrated in figure 6 was constructed in order to reduce the scanning time. While the beam rotates the probe is moved from one end to the other of the beam. When the scarming is complete it is saved on diskette and can then be evaluated on a PC. The scanner is controlled by the P-scan system, which enables the results to be presented in three dimensions (Top, Side and End view). [Pg.983]

When the pressure is the same on both sides of the porous plate, gas moves from the colder to the hotter side. The flow depends on the nature of the gas, its temperature, the relation between its density and the size of the pores in the- plate, the temperature difference between the faces and the thickness of the plate. [Pg.177]

The change in the quaternary structure and the structural change in the 6-F helix as the molecule moves from one state to the other are intimately related. The dimer interactions in the T state are not compatible with the presence of the 6-F helix, which would, if present, clash with the neighbouring dimer. The quaternary structure of the T state requires that the 6-F helix be unwound. Conversely the R state quaternary structure depends on the presence of the 6-F helix. [Pg.117]

Atomic Mixing. Depending on their mass, energy and impact angle the primary ions reach a mean depth until they are finally stopped by many collisions with sample atoms. Sample atoms are moved from their initial locations (see Sect. 3.1.1). This re-... [Pg.106]

Sampling Points To obtain a representative result, the gas normally has to be sampled at more than one point in the sampling plane, depending on the sampling plane area. This plane is usually divided into equal areas at the centers at which gas is extracted. To determine the particulate concentration in the plane, the nozzle is moved from one sampling point to the other. [Pg.1288]

They also noted a strong solvent dependence in the lowest energy band, which corresponds to the lowest excited state of this molecule. This suggests that the dipole moment will change sign as the molecule moves from its ground state to the first excited state. [Pg.218]

Consider now the case where an electron with a spin is moved from orbital i to orbital a. The first S-type determinant in Figure 4.1 is of this type. Alternatively, the electron with /3 spin could be moved from orbital i to orbital a. Both of these excited determinants will have an value of 0, but neither are eigenfunctions of the operator. The difference and sum of these two determinants describe a singlet state and the 5 = 0 component of a triplet (which depends on the exact definition of the determinants). [Pg.103]

The third step consisted of the direct investigation of IR emission spectra for a wide range of concentrations. The investigation showed the tendency of the metals to reduce their coordination number when moving from solid to molten state. This property of the melt depends on the equilibrium between two types of complex ions, MeF72 and MeF6 ... [Pg.136]

In a simple electron transfer reaction, the reactant is situated in front of the electrode, and the electron is transferred when there is a favorable solvent fluctuation. In contrast, during ion transfer, the reactant itself moves from the bulk of the solution to the double layer, and then becomes adsorbed on, or incorporated into, the electrode. Despite these differences, ion transfer can be described by essentially the same formalism [Schmickler, 1995], but the interactions both with the solvent and with the metal depend on the position of the ion. In addition, the electronic level on the reactant depends on the local electric potential in the double layer, which also varies with the distance. These complications make it difficult to perform quantitative calculations. [Pg.40]

Upon formation of a metal chelate or complex, the next rate-limiting step in delivering iron to the cell is the diffusion of iron complexes through the. soil in response to diffusion gradients. In the vicinity of plant roots, metal chelates and complexes may also move by bulk flow in the transpiration stream as water moves from the soil into the plant. However, depending on their charge characteristics and hydrophobicity, metal chelators and complexes can become adsorbed to clay and organic matter, which may then decrease their mobility and bioavail-... [Pg.229]


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