It is said that necessity is the mother of invention. As energy prices soared in the 1970s, supermarket owners sought ways to reduce their enormous utility bills. Unlike comfort cooling equipment, ...
Pressure controls have been workhorses in the hvacr industry for decades. Figure 1 shows a conventional combination low- and high-pressure control. Such controls have been used in many applications, ...
The hypertensive and normotensive Appropriate Blood Pressure Control in Diabetes (ABCD) studies were prospective, randomized, interventional clinical trials with 5 ...
Equipment designers find that proportional control technology is ideal where precise performance is required in variable pressure or flow applications. Often perceived as more complicated than other ...
At the heart of most boiler combustion control systems (and most coordinated boiler/turbine control systems as well) is throttle pressure correction, usually applied by the "master controller." ...
When left untreated, high blood pressure (also known as hypertension) can result in serious health problems like heart disease and stroke. But you can get it under control with changes to your eating ...
Although inhibition of the renin–angiotensin system delays the progression of renal failure in adults with chronic kidney disease, the blood-pressure target for optimal renal protection is ...
High blood pressure is a major risk factor for cardiovascular diseases and can lead to potentially life-threatening heart attacks and strokes. A clinical trial called SPRINT has changed the way ...
Feedwater control valves play a critical role in boiler operation. One important parameter of their design is the pressure drop at the rated condition as well as off-design conditions. However, ...
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