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How to Make It Work

Schematic representation of ideal water distribution in a neat methanol DMFC. [Pg.286]

Water and Air Situations of a DMFC at Different Current Densities (assuming that one third of the water produced at the cathode diffuses to the anode to support the anode reaction) [Pg.287]

Current Density (A cm ) HjO Produced (mmol cm S ) HjO Needed by Anode (nunol cm s ) HjO Needed Taken Out (mmol cm s ) 0. Needed atl Stoich. Ratio (mmol cm s ) Air Needed atl Stoich. Ratio (mmol cm s ) Air Remaining at 1 Stoich. (nunol cm s ) Vapor% in Cathode Exhaust [Pg.287]


Burton, C. and Michael, N. [1992). A Practical Guide to Project Management How to Make it Work in Your Organisation. Kogan Page. [Pg.314]

This section covers model predictive control (MPC). It describes what it is, how to design it, how to install it, and how to make it work. This work is both fun and useful, but there is one rule Understand the process. This section contains tips and clues about how to analyze and learn process behavior. [Pg.1246]

Benjamin B. Tregoe and John W. Zimmerman, Top Management Strat-egy What It Is and How to Make It Work (New York Simon and Schuster, 1980). [Pg.277]

As a start, the existing process should be described using all the known data gathered in the first part. It is very important that the process also be explained in functional units, instead of equipment. This means that the function of a step is described instead of just the details on how a piece of existing equipment works in the actual situation. This helps in finding the differences between the goal of a step and the way the equipment actually works and in finding other Intensification methods to make it work better. [Pg.468]

The extraction process for making the salicin also proved long and tedious and wasteful of trees from 1.5 kg of willow bark only 30 g of salicin could be obtained.3 4 Once the formula was known for salicylic acid, a group of chemists tried to work out how to make it artificially by a less expensive and tedious process. [Pg.7]

Some years ago, a medicinal chemist in California, Dr. Summers, beUeved that acridines might help in the treatment of Alzheimer s patients. He asked for our list of acridines, ordered some of each, and then he came back wanting 100 grams, then a kilo, then 10 kilos of one particular acridine. Years earlier, a Viennese chemist. Dr. Pickholz, working in London, had said to me, I ve got this acridine, aminotetrahydroacridine I think it s important in brain chemistry, I don t know how, but take a litde, and we U teach you how to make it. For years, there was little interest in it until Dr. Summers came along. The rest is history THA was, I believe, the first drug licensed by the FDA in the treatment of Alzheimer s disease. [Pg.149]

Those temperatures are ciose to the temperature of liquid nitrogen. Scientists have known how to make and work with liquid nitrogen for several hundred years. It had now become easy to work with superconducting materials. [Pg.670]

It is an excitement at getting to know each other. It is sometimes curiosity mixed with fear of rejection. Have you ever been shy or afraid to approach someone If yes, this mental exercise will solve that problem To make it work very quickly, choose the first event, that when disconnected will cause the problem to disappear. When you have that event clearly inside your mind, ask yourself how do you create these feelings inside ... [Pg.49]

Efficacy The ability of a drug to address and control an illness based on how well it works and how much is needed to make it work effectively. [Pg.301]

Despite all that has been written about the workers behavior being the basic cause of the majority of accidents, the worker is in reality the person with the most knowledge about the workplace, work activities, and workplace risks. The worker is the expert and may have many years of experience doing a particular job, so why not consult him or her about the risks of the job and how to make it safer Perhaps we are so busy trying to fix the worker to prevent the accident that we have overlooked him or her as a source of safety information. A good policy is that if in doubt, ask the expert, and by speaking to the worker you will be speaking to the expert. [Pg.113]

One took three different gauge theories, supplied them with some free parameters, added an ad hoc Higgs mechanism to make it work, and the result seems to function properly. It is not known exactly why those three symmetries create the three interactions although the U(l) symmetry is clearly related to the electromagnetic charge, the SU(2) to the weak isospin, and SU(3) to the three colors. It is not clear why there are exactly three fermion families and how the fermions of a family are related to each other (apart from the sum of their charges). It is not known why there is no antimatter in the Universe, and there is the deep mystery of dark matter astronomical observations indicate that about 90% of the mass of the Universe is invisible, probably non-baryonic matter that cannot be explained within the framework of the Standard Model (Amsler et al. 2008). [Pg.472]

Figure 6.42 shows how to redefine built-in factorial operator to make it work with fractional operands. For that we insert the function (x) into worksheet being equal to built-in gamma function which argument is shifted to one. We can call this new function in traditional form (5.01) = but also to call it as shown in Fig. 6.42, as postfix operator, is better. [Pg.221]

Klaus Lackner, Los Alamos National Laboratory I would like to point out that one of the largest sources of electricity is ultimately coal-burning power plants. If you really want to get the effluent clean and want to capture your CO2, ideally, in a separate stream, you end up going through a calcification process. The issue of catalysts and how to make this work is certainly on the mind of everyone working in that area. I think that if the power plant of the future is a coal plant, it is likely to be a gasification plant because I see this as the only way of collecting CO2 and all the other pollutants for that matter. [Pg.178]

While Bell Labs was not a producer of polymers, AT T was one of the largest users in the world. The basic approach was to know more than anyone about the materials that were used for telecommunications. The British company ICI synthesized crystalline polyethylene, but Bell Labs discovered how to properly process this material and what microscopic parameters were important, such as the molecular weight distribution. DuPont synthesized nylon, but Bell Labs discovered how to make it useful as a stable material for long-term use. Cellulose polymers were an old technology, but Bell Labs discovered new ways to process it that achieved remarkable new properties and uses. Baker was the genius behind the philosophy and much of the early work. He wanted to know the actual truth about materials and reached out to the very best scientists. Peter Debye was a regular visitor to Bell Labs during the Baker era. [Pg.71]

Modem Alchemy raises questions about boundaries among disciplines or fields of knowledge and how those boundaries are redrawn, transgressed, or productively blurred. Issues such as these have been theorized for some time by sociologists, anthropologists, and historians of science. I have deliberately avoided much of these disciplines vocabulary in this monograph in order to make its story as broadly accessible as possible, but I would like to give a brief account of the conceptual work to which this project owes an immense debt. [Pg.195]

It takes effort to work out how to make a component more generic, and the result might run slower when deployed. The investment will be repaid in savings every time the component is used in a design and every time maintenance must be done on only one component rather than many slightly different copies. But it is not always certain exactly when or how a component will be reused in the future. So, as with all investments, generalizing a component is a calculated risk. [Pg.479]

As a conclusion to his preparative course the student should undertake several preparations, for which he has to look up the appropriate methods in scientific journals, instead of finding them worked out in minute detail in a manual of laboratory instruction. In so doing he will learn, with the aid of the directions given above, how to consult the literature, and how to make use of the chemical library most of all, however, these more difficult preparations will serve to test his capacity for laboratory work. When synthesising a compound in several stages it is absolutely essential to test and consolidate each separate stage by means of test-tube experiments before the whole of the substance is risked. Whoever fails to observe this rule will pay dearly for his neglect by loss of material and time. [Pg.422]

No that wouidn t probabiy work because you need the amps for the piasma. So you first need to trigger the spark with the high-voitage ignition coii and then use the inverter amps. The trick is in how to make this triggering HV spark across the spark piug and then connect the inverter output across it without breaking the inverter. [Pg.10]

As far as I can see, no laws of physics have been broken to make this work. It may be a fine line as to how it works, but that ain t for me to figure out. [Pg.28]


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