Static sensitive

Ignition mixts of lower static sensitivity have been prepd from Ti hydride and K perchlorate (Refs 117 123), It was found that the hydride tends to react with the perchlorate at elevated temps and that such a reaction is progressive, particularly with high hydride concns. No data have been found on Zr hydride mixes, but it is expected that the behavior will be similar. It seems, however, that performance variations are common in Zr mixts, but that these can usually be traced to hydride contamination in the Zr, and that such problems can be solved by heating the Zr in vacuum at about 200° (Ref 128)... 

BXL Plastics ERP Division is to introduce new grades of antistatic and conductive closed-cell crosslinked PE and ethylene copolymer foam at the Internepcon Exhibition to meet a growing demand from the electronics industry, for ways of minimising the effect of static electricity on circuits embodying static-sensitive devices, particularly using metal oxide/silicone technology. Very brief details are noted of Evazote C conductive closedcell, crosslinked ethylene-vinyl acetate copolymer foam. 

HMTD displays some interesting characteristics. It was surprisingly fairly insensitive to impact compared to PETN and TATP. The impact sensitivity measured lay between the values for PETN and RDX. Even more surprising was the ESD sensitivity. HMTD is a very line powder when isolated. It has an appearance almost like that of talc. Fine powders are well known for being prone to static charge buildup. When transferring from one container to another, the static buildup in the HMTD was obvious by the way the powder stuck to the walls of the vessels involved. HMTD was more static sensitive than either of the standards tested, but it was less static sensitive than TATP. This was unexpected, and at the moment cannot be explained. The values obtained seem to indicate that HMTD has only moderate static sensitivity. 

A1A" is a rather violently burning, hazardous pdr of very high static sensitivity. Its ingredient Super-floss is a trade name for a finely ground calcined diatomaceous earth... 

The following proposals have been made ( 1, J5) for realizing the concept of static sensitization ... 

Examples for the static sensitization through the formation of mixed-valence cyanometaIlates are discusses below. 

Static sensitization by mixed-valence complexes with IT behavior... 

T. B. Johnson, Remington Arms Company Inc., Static Sensitivity of Lead Azide, Lake City Army Ammunition Plant, Independence, Missouri, 1966. 

Static sensitivity will increase with decreasing resonant frequency. 

The primary drawback to air-segmented systems is the bubble. These air bubbles are compressible, thereby creating pulsations in the flowing stream. In addition, for most detectors, the air bubble must be removed before the sample passes through the detection cell. In addition, the precision of bubble size has been difficult to control. This variation in bubble size adds to the irreproducibility of the system. If electrochemical or other static sensitive detectors are used, the segmented system, which builds up static charge, will present severe problems... 

Figure 11.9 shows a static sensitivity analysis for a region with 100 fueling stations. The transport costs have been calculated to show the influence of the different parameters based on certain assumptions about transport distance and cars per FS. In the sensitivity analysis shown, the assumptions were 10 km dedicated distribution pipeline for each FS and 60 /MWh electricity costs for liquefaction. Onsite technologies are considered if transportation costs exceed 9 ct/kWh of hydrogen and if utilization is not too low (no fewer than 100 cars per FS). 

In explosives technology, the hazards encountered with primary explosives or with high explosives are rather well defined. There we deal most frequently with chemical compounds whose properties, and especially whose response to friction, impact, static sensitivity, or plain ignition, can be ascertained by fairly straightforward measurements. In pyrotechnics, however, the nonhomogeneous mixtures in their... 

An antistatic device worn by an individual on the wrist to prevent the accumulation and discharge of static electricity to static-sensitive electronic equipment by safely grounding the individual. See also Static Sensitive Device. 

A bag for shipping electronic components, which may be subjected to damage caused by an electrostatic discharge (ESD). See also Static Sensitive Device. 

Many electronic components can be static sensitive and can be damaged from common static charges, which may occur on individuals, tools, and other non-conductors or semiconductors. To avoid discharging the static onto the sensitive components personnel should use a ground mat, ground tool, anti-static garments, or an anti-static wrist strap. May also be called Electrostatic Sensitive Device (ESD). 

Static electricity can also create problems for some tape-handling systems. Whereas the substrates themselves are not static sensitive, such as in the case of many semiconductor devices, static can create undesired adhesion... 

Static sensitive (BSD = 0.22 J). The performance parameters such as the detonation velocity (8467 m s ), detonation pressure (273 kbar) and heat of explosion (5368 kJ kg ) are significantly higher than the values for TNT and only marginally lower than those of RDX. 

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