Work density

The connection between the multiplicative insensitivity of 12 and thermodynamics is actually rather intuitive classically, we are normally only concerned with entropy differences, not absolute entropy values. Along these lines, if we examine Boltzmann s equation, S = kB In 12, where kB is the Boltzmann constant, we see that a multiplicative uncertainty in the density of states translates to an additive uncertainty in the entropy. From a simulation perspective, this implies that we need not converge to an absolute density of states. Typically, however, one implements a heuristic rule which defines the minimum value of the working density of states to be one. 

Explosives Properties Dennis Doan (Ref 1) who first prepd TIN, state that it is not expl, resembling K and Na azides in this particular. However, just two years later Curtius Rissom (Ref 2) reported that TlNj exploded when struck or heated strongly. Wohler Martin (Ref 4) detd an Expfr. Temp as low as 320° in 5 sec for a 0.02g TlNs sample and obtd deton of a 0,01 to 0.05g compressed sample under a 2 kg impact. These investigators also detd the Temp Developed on Exp In on TINS as 3307°, its Press (own volume) as 36900 kg/cc, Work Density as... 

In scientific work, the densities of solids and liquids usually are expressed in grams per cubic centimeter or grams per milliliter, whereas the densities of gases usually are expressed in grams per liter. In engineering work, densities customarily are expressed in pounds per cubic foot. 

A recent study of the sensitivity of cuprous azide to heat and impact by Singh (Ref 20) confirms earlier investigations showing that sensitivity increases with an increase in cryst size. The activation energy involved in its thermal decompn has been established as 26.3 k cal (Ref 20). In addn to heat of deton, temp develpd on exp In, work density and loading density, Wohler Martin (Refs 6 7) also report the following info with respect to the initiating efficiency of CuNsi... 

The unfortunate drawback to prestraining films is that a rigid frame, or other structure, must be used to maintain the tension in the film. The added mass of the supporting structure increases the total mass of the DE device, which can significantly reduce the effective work density and power to mass ratio of the actuator. The prestrained films may also relax or fatigue over time. This reduces the shelf life of the DE devices. 

Epinephrine With increased work density Meijman et al. 

An obvious explanation for the stress-inducing effects of short SRTs as foimd by our group is the increase in workload due to higher work density, which is in accordance with elevated cardiorespiratory achvity (top of the third and fourth columns of Table 14.1). However, since increased cardiorespiratory activity can be regarded as a main marker variable for physical strain (Boucsein, 1993), it should be verified that our results were not mediated by an increased amount of physical activity required under short as compared to long SRTs. 

Various liquids are used to cover a spread of working densities (Table 17.3) depending on the density of the test material. A typical density gradient column is shown in Figure 17.3. 

In the previous work [9] we have investigated ethene and propene metathesis reactions proceeding on molybdenaalkylidene centres. In the present work density functional study on ethene metathesis reaction proceeding on molybdenamethylidene centres of M0O3/AI2O3 catalyst is reported. Two variants of theoretical models of the active sites have been applied. In the first case, simple structures of the carbene and molybdacyclobutane complexes, in which hydroxyl groups replace the bonds between molybdenum and the carrier, are proposed. In the second case, molybdenum is attached to a small cluster of formula Al2(OH)6, which represents alumina. 

Disc front-side flatness If the conditioner substrate surface is not flat then working densities are affected in a global fashion. As little as 40 pm of bow in a 2-inch conditioner can alter the working density by as much as 50%. This can lead to large areas of local nonplanarity as well as isolated particles with large effective sizes or height. 

SO as to push apart the adjacent turns in a heterochiral coil (Figure 13.7a) or draw closer together the adjacent turns in a homochiral coil (Figure 13.7b). Further evidence to support coupling between fibre torsion and coil tensile actuation is the near equivalence of work density in both modes 2.1 kj kg torsional work capacity was measured in twisted nylon-6,6 fibre and 2.5 kjkg was measured when the same fibre was formed into a coil and operated in the tensile contraction mode. 

---