Lingering effects

The purification ofTNT during its manufacture produces a wastewater known as red water . Red water contains a variety of nitro-substituted toluene isomers as well as their sulfonated derivatives. Hao et al. (1993) used wet air oxidation (WAO) at temperatures up to 340 °C to remove much of the total organic carbon. WAO-treated red water was tested against nontreated red water for the toxicity to Nitrosomonas and activated sludge cultures. Despite some lingering effects, a significant decrease in toxicity was observed, raising the possibility that the abiotic WAO pretreatment may be a viable process for further remediation of red water. 

What lingering effects has the mescaline experience had In fleeting moments and with greatly diminished intensity, I have felt the tunnel-vision phenomenon and the elasticity of the floor beneath me that I described above. It is as though... 

Hotzl et al. (1989) measured the airborne concentration of 137Cs in Germany in the year subsequent to the Chernobyl accident. Though low compared to the concentrations immediately after the accident, the levels were higher than could be ascribed to the lingering effects of weapon tests, and were found to correlate, in different locations, with the amount of Chernobyl fallout. Comparing the airborne concentration with that of 137Cs in the top 10 mm of soil, Hotzl et al. deduced a resuspension factor Kr — (3 1) x 10-9 m-1. Concentrations were found to increase with wind speed as ul s, a result very similar to that found in Nevada (equation (6.24)). 

Science can, however, observe the comet s lingering effects on the modern earth. Similarly, science can see the effects that a designer has had on life. 

Chen, C. W. (2008). Lingering effect Epidemiological information useful for risk assessment. Regul Toxicol Pharmacol 52 (3), 242-247. 

Echoes of War by Robert Westall These stories examine the lingering effects of war on the lives of the young. 

One of the authors (F.R.S.) worked in such a medical facility for over a decade. While there was no routine, formal follow-up procedure, (eg, psychological testing of exposed casualties), informal follow-up visits for several weeks after the incident for eye examinations (miosis takes 3-6 wk to recede14) and to discuss general health problems were common. Significant lingering effects were very likely to be mentioned, therefore, and detected. 

No formal follow-up program existed for subjects exposed to nerve agents experimentally, but again, these individuals were seen on a regular basis for several weeks after exposure. Since these people were the subjects of research study on the effects of nerve agents, lingering effects were very likely to be carefully sought and reported if found. 

Such a substituent lowers the symmetry from C2 to C,. In this point group the original bonds are 2a and a", and the final bonds are also 2a and a". From Fig. 6 one can see that the troublesome bz orbital, which causes the forbiddeness in Dewar benzene, becomes a, just as the ai bond orbital becomes a. The reaction is formally allowed. Adding two chlorine atoms returns the symmetry to C2v again, and the rate falls off drastically. Both a symmetry factor and an electronic factor of some other kind are manifest. Nevertheless the allowed reactions are still remarkably slow and have very substantid activation energies. The reactions are all very exothermic to the extent of about 60 kcal. There is no obvious reason why an activation energy should exist at all, if it were not for the lingering effect of the symmetry forbiddeness of the symmetrical parent compound. 

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