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Band application

How to Use Sprinkle the dust along both sides of each seeded row of cabbages, carrots, or onions. Make the application band at least 6" wider than the planted row. Or sprinkle around the base of each plant as far out as the largest diameter of the plant top. A light application should be effective, but the more you use, the better it works. Renew after irrigation or a heavy rain. [Pg.476]

FIGURE 2. Variations in bromide (Br) concentra-tions in soil samples taken across the application band. Vertical arrows indicate the width of the application band. [Pg.109]

The TLC plate can be tranqxnted at 10 different j ds, rai ii firtnn very slow to fast. Both the normal 20 x 20 cm TLC lates and 20 x 40 cm plates can 1 placed vertically on the plate carriage. Both the iplication length and pjosition, i.e., the lateral petition of the application band on the layer, can be regulated. The Japanese version of the TASOMAT has a number of constructive alterations but it fimetions as described above. The TASOMAT with control unit is basically intended for three different procedures ... [Pg.14]

It is possible to identify particular spectral features in the modulated reflectivity spectra to band structure features. For example, in a direct band gap the joint density of states must resemble that of critical point. One of the first applications of the empirical pseudopotential method was to calculate reflectivity spectra for a given energy band. Differences between the calculated and measured reflectivity spectra could be assigned to errors in the energy band... [Pg.121]

Many of the fiindamental physical and chemical processes at surfaces and interfaces occur on extremely fast time scales. For example, atomic and molecular motions take place on time scales as short as 100 fs, while surface electronic states may have lifetimes as short as 10 fs. With the dramatic recent advances in laser tecluiology, however, such time scales have become increasingly accessible. Surface nonlinear optics provides an attractive approach to capture such events directly in the time domain. Some examples of application of the method include probing the dynamics of melting on the time scale of phonon vibrations [82], photoisomerization of molecules [88], molecular dynamics of adsorbates [89, 90], interfacial solvent dynamics [91], transient band-flattening in semiconductors [92] and laser-induced desorption [93]. A review article discussing such time-resolved studies in metals can be found in... [Pg.1296]

Yussouff M 1987 Fast self-consistent KKR method Electronic Band Structure and Its Applications (Lecture Notes in Physics vol 283) ed M Yussouff (Berlin Springer) pp 58-76... [Pg.2232]

Germanium is very similar to Si, but its band gap is too small for many practical applications. Large crystals of ultra-high-purity Ge have been grown for use as gamma-ray detectors. In such crystals, the net concentration of... [Pg.2878]

Note that in equation system (2.64) the coefficients matrix is symmetric, sparse (i.e. a significant number of its members are zero) and banded. The symmetry of the coefficients matrix in the global finite element equations is not guaranteed for all applications (in particular, in most fluid flow problems this matrix will not be symmetric). However, the finite element method always yields sparse and banded sets of equations. This property should be utilized to minimize computing costs in complex problems. [Pg.48]

Extended Hiickel gives a qualitative view of the valence orbitals. The formulation of extended Hiickel is such that it is only applicable to the valence orbitals. The method reproduces the correct symmetry properties for the valence orbitals. Energetics, such as band gaps, are sometimes reasonable and other times reproduce trends better than absolute values. Extended Hiickel tends to be more useful for examining orbital symmetry and energy than for predicting molecular geometries. It is the method of choice for many band structure calculations due to the very computation-intensive nature of those calculations. [Pg.287]

One of the first applications of this technique was to the enrichment of and "B isotopes, present as 18.7 and 81.3 per cent, respectively, in natural abundance. Boron trichloride, BCI3, dissociates when irradiated with a pulsed CO2 laser in the 3g vibrational band at 958 cm (vj is an e vibration of the planar, D j, molecule). One of the products of dissociation was detected by reaction with O2 to form BO which then produced chemiluminescence (emission of radiation as a result of energy gained by chemical reaction) in the visible region due to A U — fluorescence. Irradiation in the 3g band of BCls or "BCI3 resulted in °BO or BO chemiluminescence. The fluorescence of °BO is easily resolved from that of "BO. [Pg.376]


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