منابع مشابه
SOIL pH AND LIMING
When crops do not grow well, one of the first question an agronomist is likely to ask is “What is the pH of the soil?” The reason for this question is that soil pH tells us more about a soils ability to produce crops that any other single measurement. A measurement of soil pH is like a doctor’s measurement of a patient’s temperature. It gives an indication something may or may not be wrong, but...
متن کاملSoil Acidity and Liming
Soil pH, soil acidity, and their effects on plants The pH scale, ranging from 0 to 14, is used to indicate acidity and alkalinity. pH is a measure of the concentration of hydrogen ions (symbol = H) in the water contained in the soil. A pH of 7.0 is neutral, values below 7 are acidic, and those above 7 are alkaline (basic). The lower the pH, the more acid the soil. Each unit pH drop indicates te...
متن کاملDAI in Engineering Design
There are three evolving facets to design: 1) the artifact to be designed, 2) the design process, and 3) the tools available to aid the design process. They are evolving because first, the design process is becoming more complex due to the need to consider the entire product life-cycle—from conception to manufacturing to sales to maintenance. Second, the artifacts of design are changing in that...
متن کاملROI for DAI
The Reasoning Architectures group at MCC has been conducting research in the area of distributed artificial intelligence (DAI). This executive summary presents the potential benefits (“return on investment”) to be gained from this research. In particular, we describe several applications, ranging from process control to office automation, that can be solved with RAD, a distributed expert system...
متن کاملStatement Mimi Dai
The evolution of the classical viscous incompressible fluid flow is governed by the NavierStokes equation (NSE). The theory regarding the qualitative properties of solutions to the NSE is far from being complete. For instance, the global regularity for the 3D NSE has been a longstanding open problem. My research has been mainly concerned with regularity problems, well/ill-posedness problems, th...
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ژورنال
عنوان ژورنال: Carbon Energy
سال: 2019
ISSN: 2637-9368,2637-9368
DOI: 10.1002/cey2.25