Photomicrograph of sample

Fig. 1 Photomicrograph of sample EZP30 viewed under the Nomarski interference contrast. The bright phase is ZrP and the light-dark phase is epoxy resin. The pure epoxy layer is on the far right and the direction of epoxy infiltration is from right to left.

Fig. 5. Photomicrographs of sample 62 oily streaks at 250°C (left), and schlieren texture at 295 C (right). Cross polars, original magnification 250x.

Fig. 5 SEM photomicrograph of sample of manganese ferrite particles dried on aluminum stub. Length of white bar in mid-bottom section of photograph represents 1 pm...

A 20X photomicrograph of sample 2m2-515Dl, which is representative of the samples of zero strength, is seen in Figure 15. This sample has a jig-saw puzzle appearance in that the adhesive is cracked and broken. This feature is more clearly seen in Figure 16 (500X). The metal substrate structure is apparent and... 

Figure 10 Polarized light microscopic photomicrographs of samples tempered 24 h at 5°C. (a) NIEIOO (b) CIEIOO (c) NIE90 10 (d) CIE90 10. The bar represents 25 pm.

A very important analytical tool that is overlooked by many sourcetesting personnel is the microscope. Microscopic analysis of a particulate sample can tell a great deal about the type of material collected as well as its size distribution. This analysis is necessary if the sample was collected to aid in the selechon of a piece of control equipment. All of the efficiency curves for particulate control devices are based on fractional sizes. One would not try to remove a submicron-size aerosol with a cyclone collector, but unless a size analysis is made on the sampled material, one is merely guessing at the actual size range. Figure 32-8 is a photomicrograph of material collected during a source test. 

Fig. 1. Photomicrograph of the analyzed samples, a) transition from unaltered sulfides (segment AB) to sulfide-free oxidation products (segment CD). The segment BC corresponds to the transition zone, b) layered hardpan with rhythmic alternation of goethite-rich (segment AB) and hematite-rich (segment BC) layers.

Figure 4. SEM photomicrograph of characteristic surfaces of sand grains from a Venezuelan soil profile. Samples from a) 90 cm deep, b) 40 cm deep. (Scale bar 2.5 microns).

Figure 5. SEM photomicrograph of etch tubes (a) and terraced etch pits (b) on sample R5S5SE etched 31.5 hours at 0.53 CQ. (Scale bar = 10 microns.)...

Figure 7.8. (a) Photomicrograph of a premix silica-in-octane-in-water emulsion. The octane contains 17% vol of silica particles. Compositions are given in the text, (b) Same sample after being sheared at 3750 s in a Couette geometry device. The scale bar corresponds to 10 pm. 

See photomicrograph of this first isolated bulk sample of Bk metal in Adv. Inorg. Chem. Radiochem. 28, 42 (1984). 

A) A clear scattering maximum In 24% PBLG/DMF/H2O (trace). The Bragg spacing Is 6ym. B). Photomicrograph of same sample as A between crossed polars. The correlation distance appears to be about 9vtm. 

Dr. J. C. Wittmann of the Centre de Recherche sur les Macromolecules, Strasbourg, France furnished the photomicrographs of the liquid crystals from methanol and bis(2-ethylhexyl) sodium sulfosuccinate. Haifa Khoury assisted in sample preparation and characterization. Marvin Bagby provided encouragement and suggestions during the study. 

Figure 12.4. (a) X-ray topograph, (b) polarization photomicrograph (crossed Nicols), and (c) reflection photomicrograph after etching treatment of the same section prepared perpendicular to the c-axis of a beryl crystal, (d) Polarization photomicrograph of similar section of another sample [1]. 

Photomicrograph of the ALH84001 Martian meteorite, field of view = 1.3 cm. Large, broken grains of pyroxene form this breccia. This sample created a stir when it was proposed to contain evidence for extraterrestrial life. Image from Lauretta and Kilgore (2005), with permission. 

A photomicrograph of a typical sintered zinc oxide sample, sintered in air at 1000° is shown in Fig. 2. The specimen was prepared for observation by boiling the sample in a solution of an organic dye, to expel the air in the pores, and allowing the sample to cool in the dye, which was then sucked into the pores. The sample was then cut and polished for observation. The white portions of the photomicrograph show the grain structure, the dark portions are the dye. 

Figure 2. Transmission electron photomicrograph of a ceramic titanate waste form. The sample was prepared by pressure sintering a titanate fully loaded with fission waste oxides and includes zeolite and silicon additions.

Figure 1. Scanning electron photomicrographs of minerals from coals. The minerals were studied and photographed by a Cambridge Stereoscan microscope with an accessory energy-dispersive x-ray spectrometer at the Center for Electron Microscopy, University of Illinois. A. Pyrite framboids from the low-temperature ash of a sample from the DeKoven Coal Member. B. Pyrite cast of plant cells from the low-temperature ash of a sample from the Colchester (No. 2) Coal Member. C. Kaolinite (left) and sphalerite (right) in minerals from a cleat (vertical fracture), Herrin (No. 6) Coal Member. D. Calcite from a cleat in the Herrin (No. 6) Coal Member. E. Kaolinite books from a cleat in the Herrin (No. 6) Coal Member. F. Galena small crystals in the low-temperature ash of a sample from the DeKoven Coal Member.

Figure 3. Scanning electron photomicrographs of fly ash particulates collected on alundum thimbles used to sample the precipitator inlet and outlet and the stack...

Microscopic investigations of samples of other particle sizes (below 0.2 and below 0.06 mm.) of the same coal showed the same changes in the coal in the dilatometer experiments as were found for the coarser particle size. Nevertheless, the effect of particle size does make itself felt in the dilatometer carbonization, as can be observed in the photomicrograph at the temperature... 

Richard Zaehring is thanked for help in taking the photomicrographs, and R. W. Heckel for advice in their interpretation. Manufacturers are thanked for donations of samples. One of us (DTT) was supported under a Departmental Development Grant from the National Science Foundation. 

In many surface-separation processes, there will occur three distinct phases or process streams a product stream (either oil or water), a waste (tailings) stream, and an interface or rag layer emulsion stream, which may contain emulsified oil and/ or water. The interface emulsion can be the most troublesome, in terms of process operation, and the most complex and intractable, in terms of treatment. Mikula shows (Figure 1 in Ref. [66]) a photomicrograph of a quite stable interface emulsion (rag-layer emulsion) in which one can clearly observe the simultaneous occurrences of both O/W and W/O emulsions in different regions of the same sample. 

The first bulk samples of berkelium metal were prepared in early 1969 by the reduction at about 1300 K of BkF3 with lithium metal vapor (119). The BkF3 samples were suspended in a tungsten wire spiral above a charge of Li metal in a tantalum crucible. A photomicrograph of the first isolated bulk (1.7 jug) sample of berkelium metal is shown in Fig. 7. 

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