Other Side of the Coin

At the same time, some of their neighbors—many of whom are also shaleionaires—have drawn water from their taps that can only be characterized as brown, smelly, and, on occasion, explosive. Because shale gas is imbedded in dense, low-permeability rock, drillers use a mixture of water, sand. 

Beyond contaminated tapwater, other issues of concern are related to environmental contamination of water, air, and the land. With regard to tapwater and other water contamination events related to shale natural gas extraction, the primary concerns are threefold (1) contamination of surface water due to erosion and groundcover removal during drilling site extraction (2) proper management of separate but multiple users in a single watershed to protect water quality and ensure adequate water resources to meet the needs of the watershed stakeholders and (3) treatment and safe disposal of the water produced. 

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ANSWER No. Only one individual was 70 or 71 years old. By and large, the individuals are younger than 40. The other side of the coin, of... 

So far, 1 have emphasized the amazing diversity of fife forms without saying much about the other side of the coin the unity of fife. Since the key point that I wish to make is that the diversity reflects variations on a common theme, it is time to get to the unity side. 

However, some obstacles still have to be removed before HPLC-MS is fully accepted as a routine technique in the forensic labs. First of all the cost of equipment is still high, despite the reduction trend in the last years, as compared to GC-MS. Second, some problems have to be tackled, i.e., the susceptibility of ion sources (and particularly ESI) to matrix effects on analyte s ionization efficiency (suppression or enhancement) and the scarce reproducibility of MS fragmentation. The third obstacle is actually the other side of the coin of versatility the wide choice of technical alternatives makes HPLC-MS still far from being a highly standardized, one-button technique as GC-MS. 

It is noted in the Executive Summary to the FDA study that the impacts given in the above paragraph do not take account of the possible "mitigating effects" of the May 17, 1978, version of the DRRA, such as the provision that the data cannot for a period of five years be used to obtain market approval for a drug product without the permission of the individual or entity that submitted the data originally. On the other side of the coin, however, is the fact that if one does not accept some or all of the assumptions of the FDA study, the sales loss, and in turn the loss in R D funds, could be significantly greater. 

Laws of marriage are enabling without them, it would not be possible to make a credible, lifelong commitment to another person. Laws of divorce, which are the other side of the coin,... 

However, the other side of the coin is that the student or researcher must... 

When stacked with Nandrolones, Dianabol, and / or Anadrol-50, testosterone was the base for off-season mass weight gains. On the other side of the coin was the precontest stacks with anti-estrogens, Trenbolones, Primobolan, Anavar and/or Winstrol to consider when discussing the versatility of reported testosterone use. 

The Other Side of The Coin" Environmental Persistence and Insect Resistance... 

The treatment aims at reducing the plasma glucose to minimize the risk of these serious complications the lower the better. But on the other side of the coin is the risk of severe hypoglycaemia here and now. The result is a subtle balance, where an understanding of the mutual interaction between the different processes is sine qua non. 

In this section you have seen lone pairs on anions and neutral molecules acting as nucleophiles and, more rarely, Jt bonds and even g bonds able to do the same job. In each case the nucleophilic electrons came from the HOMO—the highest occupied molecular orbital—of the molecule. Don t worry if you find the curly arrows strange at the moment. They will soon be familiar. Now we need to look at the other side of the coin—the variety of electrophiles. 

The other side of the coin is specific base catalysis (SBC) which usually involves the removal of a proton from the substrate in a fast pre-equilibrium step followed by a rate-determining reaction of the anion. Most of the base-catalysed reactions you are familiar with work by SBC. Examples include opening of epoxides with thiols. 

The other side of the coin is that the S 2 reaction at carbon is not much affected by partial positive [ charge (5+) on the carbon a tom. The Sn2 reaction at silicon is affected by the charge on silicon. The r most electrophilic silicon compounds are the silyl triflates and it is estimated that they react some 108-109 times faster with oxygen nucleophiles than do silyl chlorides. Trimethylsilyl triflate is, in fact, an excellent Lewis acid and can be used to form acetals or silyl enol ethers from carbonyl compounds, and to react these two together in aldol-style reactions. In all three reactions the triflate attacks an oxygen atom. 

The intent of this was to start with a useful calculation, which could not be done using brute force techniques, and demonstrate the importance of optimizing the numerical implementation of a reactive flow model to run on a vector computer. As similar problems in combustion become more extensive and intricate, it behooves us to utilize computers in the most efficient manner possible. It is no longer feasible to continue to "ask the computer to do more and more work, without thought as to how a particular problem is to be implemented. The number of problems for which one would like to use a computer, as well as the complexity of these problems, is increasing at an astronomical rate. The other side of the coin, of course is that computers, and especially central processors (CPU s) are becoming cheaper. 

As stated in Sec. B, asymmetric synthesis is the other side of the coin of asymmetric destruction the products are in the focus of interest. However, there are at least two types of reactions to be considered independent and dependent parallel reactions. The latter, starting from a prochiral racemic mixture of reactants, are often considered the real representatives of asymmetric synthesis. 

On the other side of the coin, the officer must guard against an overzealous attitude m seeking to prove the use of electronics in a criminal situation. All electronics engineers, mathematicians and technicians who sustain a loss are not necessarily incipient criminals. They may deal in commodities that arc, in the vernacular, way-out, but they may not have used these abilities for the wrong purposes. Radio hams and experimenters, for example, might possess a welter of electronic equipment, but would have every right to possess it and to work with it in a normal way. 

In general, concentrated Mo solutions are difficult to handle, especially when they also contain Co or Ni ions, as they tend to be rather unstable. The situation can be much improved by adding phosphoric acid, because it reacts with molybdate to form a variety of, usually extremely soluble, molybdophosphates, such as H6P2M05O23 and H Moi2O40. The other side of the coin is that the presence of... 

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