Differential movement

The violent motion of a fluidized bed requires ample foundations and sturdy supporting struc ture for the reactor. Even a relatively small differential movement of the reactor shell with the lining will materially shorten refractoiy life. The lining and shell must be designed as a unit. Struc tural steel should not be supported from a vessel that is sub-jec t to severe vibration. 

The differential movement, d5, of the force P is the difference between the differential arc length of the column, ds, and the x-direction differential length, dx. Thus, from the triangle of differential distances in Figure 3-57,... 

Okabayashi H. 1980. Differential movement of plutonium and americium in lungs of rats following the inhalation of submicron plutonium nitrate aerosol. J Radiat Res 21 111-117. 

When openings are made in a consolidated backfill to connect new branches to an existing line, care shall be taken to provide firm foundation for both the header and the branch in order to prevent differential movements. 

Daltom A unit of measurement equal to the mass of a hydrogen atom, electrophoresis The differential movement of molecules through a gel under the influence of an electric field. 

The instmment shown in Figure 2.4 is a double-axis instrument. The first axis is the adjustment of the beam conditioner, the second is the scan of the specimen through the Bragg angle. It is irrelevant to this definition that a practical diffractometer may contain a dozen or more controlled axes , for example, to tune and to align the beam conditioner, to locate the specimen in the beam, to align and to scan the specimen and to control shts. It is the differential movement of the two main axes that make the measnrement and determine the precision and accuracy of the instrument. This is the basic high resolntion diffractometer, which is now widely nsed for measniements of crystal perfection, epilayer composition and thickness. 

In open-column liquid chromatography, the test sample is added to the top of a column packed with adsorbent material (e.g. alumina, silica gel, polymer gel or fine-particle substrate coated with an organic compound). Differential movement... 

The profile development process is therefore marked by differential movement of constituents some, such as salts of potassium or sodium may be leached completely... 

For most constructions and applications it is essential to face the reverse of the composite board with a balancing laminate similar in construction and moisture content to the decorative face laminate (failure to do this results invariably in differential movement of the faces and problems with bowing of the board). 

As delimited here, the boundary of the magma reservoir broadly corresponds to the conditions at which differential movement of crystals and melt, and therefore appreciable chemical modification of the magma, is likely to cease (e.g.. Trial and Spera, 1990 Vigneresse et al., 1996 Just as the thermal anomaly associated with magmatism is a transient cmstal feature, so are the locations of the boundaries between a cooling magma reservoir s liquid and mush regimes, and between... 

Grimm, C.T., Design for Differential Movement in Brick Na s, Journal of the Struc-... 

Keywords Differential movement, fall-off of exterior ceramic tile, honeycomb shaped woven net, polymer modified lightweight cement mortar, two dimensional finite element method, woven fiber net... 

Analysis of differential movement in exterior wall tile installation using PLCM as substrate layer... 

Differential movement caused by cold to heat and wet to dry repetition, is the major cause of delamination, disbond or fall-off failures of tile covering finish which occur at the interface between layers made up of different materials in the exterior concrete walls. The authors executed numerical analysis with simplified models for simulation to examine what internal stress distribution is generated in the exterior wall and how the characteristics of each material affect the stress generated in the wall under cold to heat and wet to dry cycles. 

Takada, E et al. (1992) Study on the Differential Movement of External Wall in Building, Part 2 Stress Distribution at the Interface between Ceramic Tile Joint Mortar. Annual Convention of Architectural Institute of Japan, PP. 211-212. 

Naniwa, R et al. (1992) Analysis of Differential Movement for Durability Design of Exterior Building Wall. Durability of Building Materials and Components 6, Japan, Vol. 2, E FN Spon, PP. 1363-1371. 

Abundant evidence exists for the downward translocation of metal ions in soil as soluble complexes with organic matter (Simonson, 1959). The process has been termed cheluviation by Swindale and Jackson (1956). Complex-ation results in differential movement of metal ions according to their ability to form coordination complexes with organic ligands iron, aluminum, and other strongly bound elements being eluted to a greater extent than weakly bound ones. 

Good flow properties are a prerequisite for the successful manufacture of both tablets and powder-filled hard gelatin capsules. It is a property of all powders to resist the differential movement between particles when subjected to external stresses. This resistance is due to the cohesive forces between particles. Three principal types of interparticle force have been identified (Harnby et al. 1985) forces due to electrostatic charging, van der Waals forces and forces due to moisture. 

The differential movement of molecules through a gel under the influence of an electric field. 

Provides for differential movement between shell and tubes Yes, with bellows in shell Yes Yes Yes Yes Yes... 

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