Stacking regular

Contrary to the results of performance property, initial phase tendencies of life-time were well corresponded with the dipole moment values. As showed in Fig. 16, the rate of an initial luminance was decreased in the order of ETl, ET2, ET3, and ET4, which is contrary to the direction of the dipole moment increase in Fig. 9. ETl that can form a robust deposited layer through strong dipole-dipole interactions showed moderate luminance decrease tendency. It can stack regularly in order to form intermolecular network through localized charge distribution in the molecules. It is supvposed that an electrically polarized material located under electric field is torqued by an apvplied electric force and tends to rotate (Fig 17). 

Some viruses such as the tobacco mosaic virus (TMV) can form lyotropic cholesteric liquid crystals. TMV contains 94% protein and 6% RNA. In TMV the proteins and RNA are stacked regularly, see Figure 6.26. It looks like a long rod of average length 300 nm and of diameter 15 nm. The molecular mass is as high as 4 x 107. 

In contrast to 2D woven and braided fabrics, yams of various layers in 3D fabrics are stacked regularly. Hence, nesting in 3D weaves appears to be less pronounced except for the cases of unbalanced fabric patterns [24]. 

The horizontal plate filter requires attention on a regular basis to safety devices and automation features that accompany modern filters. The space above the filter should have a hoisting device and sufficient headroom to lift the entire disc stack and move it horizontally to a location adjacent to the filter tank. It is recommended to have a special rig that will hold the plate stack for maintenance since the bigger ones may reach a length 3 meters or more. Space must also be allocated for the cover which may be either if it is hinged or removed. 

Preferably, the HjS flare system should consist of a segregated header and separate line routed up the side of a conventional elevated flare stack, sharing the same structure, pilots and igniters. However, the HjS header may be tied into the regular flare seal drum if there are special mechanical design problems associated with the separate stack e.g., in the case of a flare which is to be dismantled for overhaul. Flare elevation must be sufficient to meet atmospheric pollution and ground level concentration requirements for the sulfur dioxide produced. 

The atmosphere inside every stack should be monitored regularly, say daily, for oxygen content. Large stacks should be fitted with oxygen analyzers that alarm at 5% (2% if hydrogen is present). Small stacks should be checked with a portable analyzer. 

If the well cannot be shut in (for some reason) to implement regular kick killing procedures, a diverter stack is used rather than a regular BOP stack. A diverter is furnished with a blow-down line to allow the well to blow out away from the rig. 

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