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Results for “Progression”

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At least 271 records · Page 15Linked to original sources
PubMed2000

Progressive renal insufficiency. Office strategies to prevent or slow progression of kidney disease.

Prevention of chronic renal failure should be a primary healthcare goal in the new millennium. Better control of blood pressure, blood glucose, and lipid levels shows promise for slowing and perhaps even preventing renal dysfunction. Protein-sparing diets also may prove to be important. While it is not yet known whether combining interventions to treat each of these factors will have additive or synergistic effects, it seems prudent to approach these problems aggressively.

Dietary Proteins↗
PubMed1975

[Therapy of progressive scleroderma. Collagen-like protein in progressive scleroderma under D-penicillamine therapy].

The collagen-like-protein (CLP) in sera of patients with scleroderma (n = 20) and controls with (n = 25) this disease as well as in scleroderma-patients under treatment with D-penicillamine (DPA) was determined. The increase of collagen-like-protein roughly parallels the activity of the disease and secondly parallels the therapy. A relationship to collagen biosynthesis or metabolism is discussed.

Blood Proteins↗
PubMed2001

The stress of progression from school to work for adolescents with learning disabilities em leader What about life progress?

Four students with learning disabilities were interviewed about their experiences at work. Two students, one male and one female, were high school seniors and two students, one male and female, were freshmen at a community college. Individual student interviews ranged from 2 to 4 hours. Informal interviews were conducted with students' teachers and parents. At the time of the interview, students had part-time, unskilled jobs in which they had worked for at least 6 months prior to participation in the study. Themes that emerged from analysis of the data included students' reactions to entering the workforce, stress in learning the job tasks, overcoming difficulties by developing coping strategies, learning work values and parental influences. Student interviews underscored the importance of practice runs and real life learning to reduce stress prior to entering the work force.

Journal Article↗
PubMed2002

[Research progress [correction of progresses] of cell culture apparatus].

Cell culture apparatus (CCA) is necessary to space medicine research and space life-science research. With development of technology, CCA has been fully developed. Nowadays, CCA has been used in scientific research and production widely. In addition, space cell culture apparatus has become an indispensable tool in correlative space research. In this paper, a variety of apparatus used on ground and in space are summarized.

Aerospace Medicine↗
PubMed2003

Progress in sensor technology--progress in process control? Part 1: sensor property investigation and classification.

To ensure correctly operating control systems, the measurement and control equipment in WWTPs must be mutually consistent. The dynamic simulation of activated sludge systems could offer a suitable tool for designing and optimising control strategies. Ideal or simplified sensor models represent a limiting factor for comparability with field applications. More realistic sensor models are therefore required. Two groups of sensor models are proposed on the basis of field and laboratory tests: one for specific sensors and another for a classification of sensor types to be used with the COST simulation benchmark environment. This should lead to a more realistic test environment and allow control engineers to define the requirements of the measuring equipment as a function of the selected strategy.

Environmental Monitoring↗
PubMed2003

Progress in sensor technology--progress in process control? Part II: results from a simulation benchmark study.

To show the impact of sensor behaviour on the control result, four strategies for aeration control are tested using different sensor characteristics. It is demonstrated, on the one hand, how an increasing response time will limit the achievable control quality and, on the other hand, how a given sensor characteristic can be taken into account for the controller design. The presented tests show that an improvement potential by control for WWTPs is available but this potential is limited compared to proper DO control with fixed set-points. To activate this control potential, sufficient control authority must be available and a careful control design is required. It can be shown that using feedback control, sensors with a small response time have significant advantages compared to conventional sensors. Using feed forward control, the improvement potential by control is considerably higher and additionally, the sensor delay can be integrated into the controller design. The presented discussion is based on simulation studies performed on a standardised benchmark case. For these tests it was necessary to include sensor models into the simulation model. It can be stated that the usage of sensor models is necessary for the application of dynamic simulation for the design and evaluation of WWTP control and in general to achieve realistic results.

Automation↗