Problems in development

Continuous Emulsion Polymerization Problems in Development of Commercial Processes... 

The main problem in developing fibers for IR transmission is that silica glass is not transparent in that area of the spectrum. Suitable materials include the selenides and other chalcogenide glasses (particularly for the CO2 laser light source) and the fluorohafnate glasses. In addition, materials, such as zirconium fluo-... 

In Mger, fake meningitis vaccines, administered during an epidemic in which more than 26 700 people had contracted the disease, led to the deaths of 2 500 people ). Substandard and counterfeit products are not only a problem in developing countries, but in developed countries as well (7,8,9,10,11). 

There is no clinical disease state unique to heptachlor. A major problem in developing a biomarker of effect for heptachlor or heptachlor epoxide is that human exposures to these compounds have occurred concomitantly with exposures to other chemicals, and it is difficult to attribute the health effects to heptachlor or heptachlor epoxide alone. More data that quantify the biological effects as well as data that distinguish heptachlor and heptachlor epoxide exposures from those of other chemicals would be useful for developing biomarkers of effect for population monitoring. Biomarkers that could indicate the length of time since exposure would also be useful. 

Fats in the diet are an important source of energy not only for immediate use but particularly for storage. Unfortunately, ingestion of too much fat and hence too much energy contributes to obesity, which is now amajor problem in developed countries and of much concern. Two early findings and two recent ones illustrate the importance of fat metabolism ... 

Ageing is an increasing problem in developed countries. For example, by 2020, there will be 10 million North Americans aged 85 or more. This has enormous implica-... 

Ovemutrition is difficult to define but is synonymous with excessive intake in the following discussions. Recent emphasis has been directed towards diets that contain excess energy in relation to expenditure, which result in obesity. This is a major problem in developed and increasingly in underdeveloped countries. There is particular concern about the marked increase in obesity in children, which can lead to major health problems in later life and will result in a massive increase in financial expenditure on health provision in the future some obese children are now developing type 2 diabetes as young as 12. The topics obesity and type 2 diabetes are discussed in Appendix 15.4. 

Cattle tuberculosis an increasing problem in developing and developed countries ... 

One Cohort IV interviewee commented I have seen the research at major research universities... A lot of the faculty is on legacy and not substance. If you are not at one of these places, you must have advocates. A Cohort IV interviewee at a predominantly white university expressed this concern My inability to network with white chemists continues to be a major problem in developing collaborations and getting my research funded. 

Development of lithium selective electrodes (LiSE) and their application in clinical chemistry have been amply reviewed Several models of lithium ion specific electrodes are commercially available. The central problems in developing such sensing devices are their dynamic range, the accuracy and precision by which the signals are correlated to the concentration of the analyte and the selectivity towards that species, especially in relation to other alkali metal cations. Additional problems of practical importance are the times of response and recovery and the durability of the electrode in the intended service. 

Terrel, R.L., Ahmed, M. Free. IAHS Int. Conf. on Housine Problems in Developing Countries. Dhahran, Saudi Arabia, 1978, Vol. 1, 651-669. 

At the time of writing, a revision of ISO 6505 is nearing completion which adds an O-ring test piece and makes provision for tests in a very humid atmosphere. This arises from O-rings exposed to 90% relative humidity being specified in product standards. There have been editorial problems in developing the revision but it is intended that either test piece can be used either wet or dry with a choice of length of exposure. 

A key technical problem in developing practical lithium batteries has been poor cycle life attributable to the lithium electrode. The highly reactive nature of freshly plated lithium leads to reactions with electrolyte and impurities to form passivating films that electrically isolate the lithium metal. 

A second major problem in developing state-specific sciences is that in some d-ASCs one s abilities to visualize and imagine are immensely enhanced, so that whatever one imagines seems perfectly real. Thus one can imagine that something is being observed and experience it as datum, if the scientist can conjure up anything he wishes, how can he ever get at truth ... 

Obesity is a growing health problem in developed nations of the world. Approximately 33% of the population in the United States and 15% to 20% in Europe suffer from obesity.103 Human obesity has been linked to genes and other factors relevant to energy balance.104 The control of appetite and the mechanism of obesity are under investigation. The Ob-gene and its protein product, leptin, have been identified and appear to regulate food intake. 

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