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Strain multiple

Compound Non-dmg-Resistant Strain" Multiple RT Inhibitor Resistant Strain ... [Pg.372]

The successful inner phase stabilization of cyclobutadiene suggests that this approach may allow stabilization of other molecules with highly strained multiple bonds. An interesting class of hydrocarbons with twisted C=C bonds are anti-Bredt bridgehead olefins. These bicycloalkenes have a trani-cycloalkene and are unstable if their olefinic strain (OS) is OS > 21kcalmor. Bicyclo[2.2.2]oct-l-ene 60 and (Z)-bicyclo[3.2.1]oct-l-ene... [Pg.243]

The shearing behavior of MCLCPs depends on the initial state of the material. When molten MCLCPs exhibiting a threaded texture in the quiescent state are subjected to shear, the threads first extend and curve and disclination loops distort within the shear. However, at a rather well defined shear strain multiplication of the defects occurs [83, 84, 96, 97]. These defects appear as short, dark curled entities which flow along the streamlines whilst continually changing their shapes, and the overall view of them during shear resembles a vat of... [Pg.114]

Armero, F. 2006. Energy-dissipative momentum-conserving time-stepping algorithms for finite strain multiplicative plasticity , Comp. Meth. Appl. Mech. Eng., 195 4862 889. [Pg.55]

To describe the soft phase contribution, one needs to develop a hyperelastic model taking into account (i) rubber elasticity behavior (ii) strain amplification due to the trapped hard phase inclusions (iii) strain hardening as the chains approach their maximum extensibility. Typically, one could approximate these effects using an inverse Langevin function or its Fade approximation (see ref. [39], Chapter 11), and using a strain multiplication factor. Here, we use a somewhat simplified expression that retains most of the required features ... [Pg.99]

Eliminations Giving Rise to Strained Multiple Bonds... [Pg.2]

Unlike idoxuridiae, BVdU, and acyclovir, viral strains susceptible to ribavirin have not been found to develop a resistance to the dmg. The resistance against ribavirin is less likely because the dmg exhibits multiple sites of antiviral action. [Pg.313]

Commercial PCBs Toxic and Biochemical Effects. PCBs and related halogenated aromatic hydrocarbons ehcit a diverse spectmm of toxic and biochemical responses in laboratory animals dependent on a number of factors including age, sex, species, and strain of the test animal and the dosing regimen (single or multiple) (27—32). In Bobwhite and Japanese quad, the LC q dose for several different commercial PCB preparations ranged from 600 to 30,000 ppm in the diet the LC q values for mink that were fed Aroclors 1242 and 1254 were 8.6 and 6.7 ppm in the diet, respectively (8,28,33). The... [Pg.65]

Rgure 8-31. Multiple diaphragm flexible element coupling with a strain gauge type torque meter. Courted ofZum Industrie Inc., Mechanical Drives DMsforii... [Pg.347]

Infectious patients present a difficult challenge when trying to protect health care workers. These patients must be isolated from the health care workers as well as from the other patients in the hospital. Special isolation rooms are used for this purpose. These rooms are generally used for isolation of infectious tuberculosis (TB) patients, but could be used for patients with other airborne-transmitted diseases. In the United States, there were 22 812 new cases of tuberculosis in 1993, equal to 8.7 per 100 000 population. This represents a 2.8% increase since 1985, following a 6-7% annual decline from 1981-1984.Several studies have documented higher than expected tuberculin skin test (TST) conversion rates in hospital personnel.The National Institute for Occupational Safety and Health " reports that multiple-drug-resistant (MDR) strains of TB have been reported in 40 states and have caused outbreaks in at least 21 hospitals, with 18-35% of exposed workers having documented TST conversions. [Pg.1001]

The torsion-tube test described by Whitney, Pagano, and Pipes [2-14] involves a thin circular tube subjected to a torque, T, at the ends as in Figure 2-29. The tube is made of multiple laminae with their fiber directions aligned either all parallel to the tube axis or all circumferentially. Reasonable assurance of a constant stress state through the tube thickness exists if the tube is only a few laminae thick. However, then serious end-grip difficulties can arise because of the flimsy nature of the tube. Usually, the thickness of the tube ends must be built up by bonding on additional layers to introduce the load so that failure occurs in the central uniformly stressed portion of the tube (recall the test specimen criteria). Torsion tubes are expensive to fabricate and require relatively sophisticated instrumentation. If the shearing strain y 2 is measured under shear stress t.,2, then... [Pg.99]

For plate problems, whether the specially orthotropic laminate has a single layer or multiple layers is essentially immaterial the laminate need only be characterized by 0 2, D22. and Dgg in Equation (5.2). That is, because there is no bending-extension coupling, the force-strain relations, Equation (5.1), are not used in plate analysis for transverse loading causing only bending. However, note that force-strain relations are needed in shell analysis because of the differences between deformation characteristics of plates as opposed to shells. [Pg.278]

If a confined fluid is thermodynamically open to a bulk reservoir, its exposure to a shear strain generally gives rise to an apparent multiplicity of microstates all compatible with a unique macrostate of the fluid. To illustrate the associated problem, consider the normal stress which can be computed for various substrate separations in grand canonical ensemble Monte Carlo simulations. A typical curve, plotted in Fig. 16, shows the oscillatory decay discussed in Sec. IV A 2. Suppose that instead... [Pg.53]


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Strained multiple bonds

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