Coarse regulation

See Figure 13-2 for an example of how EMI suppression techniques are applied to dc-dc converters. We have shown an industry standard isolated brick (along with its external EMI filtering). The input to this particular module is a coarsely regulated 18 V-dc or -60 V-dc bus, forming part of a distributed power architecture for a data/telecom network. Its output is isolated and regulated (e.g. 3.3 V/50 A or 12 V/10 A etc). The -48 V-dc input is usually derived from an off-line telecom power supply (called a rectifier ). 

Slow, coarse regulation, in which the enzymes in question are diluted out by turnover and by cell growth and division. 

An additional coarse regulation takes place through the addition of boric acid to the water of the primary cooling circuit. The neutron source(s) introduced for a reliable start of the reactor are also housed in these rods of the fuel elements. 

Control 8 safety rods 130 coarse regulating rods 18 fine regulating rods of stainless steel with 4% boron... 

As I said at the beginning, I have far more to forecast than to recall not only the production but the disappearance of some enzymes must be considered as well as the existence of different active forms of the enzymes at different stages of development attention must be paid to the endocrine regulation of enzyme onset and activity activation and inactivation, fine and coarse regulation through the differentiation processes prenatal treatments for the promotion of adequate levels of enzyme activities at birth scientific bases for a better care of pregnancy and delivery. There are immediate prospects... 

The upper core structure contains control rod drive mechanisms which position control rods consisting of three fine regulating rods and ten coarse regulating rods, plus six back-up safety rods. 

Reactivity changes from a cold condition to about 30% of rated power, and reactivity changes related to fuel bum-up, are controlled mainly with coarse regulating rods. Reactivity changes during power operation are mostly regulated with the fine regulating rods. The power is controlled manually below 40% of rated power, and automatically with set points from 40% to 100% of rated power. 

Kondolf GM, Matthews WVG (1993) Management of coarse sediment in regulated rivers of California. University of California Water Resources Center, Riverside, Report No. 80... 

At the bottom center of the module is another outlined box. This experiment involves the two potentiometers labeled coarse and fine. These regulate the power from the battery module in order to have a specific voltage as a power supply to power the amplifier. This voltage is available at sockets P42 and P43. A connection can be made to these sockets wherever the regulated power is needed on the module board. 

Observe how the voltage output of the regulated power supply can be controlled. To do this, touch the red multimeter lead to the output of the regulated power supply, either P42 or P43, and rotate the knobs of the potentiometers, first the coarse, then the fine. You should observe that this output can vary between -5 and +5 V. Record your observations and your comments in your notebook. 

The spatula with a funnel and flow regulator can be used for weighing into very small crucibles or narrow-necked containers. The flow regulator is adjustable and holds back coarse granules assuring an even flow of fine substance. 

For volume production of an aerosol fog of small particle size, on a large scale (suited to indoor use), the thermal aerosol fog generators appear to be very efficient. The Science Service experiments were mostly with this type. Two principal varieties have been developed. One discharges the insecticide solution or suspension as a relatively coarse spray into a jet of superheated steam delivered by a flash boiler of the tubular coil t3rpe. The other discharges that insecticide solution or suspension as a relatively coarse spray into a blast of hot gas emerging from a combustion chamber. The temperature is regulated by the controlled admixture of cold air. 

Industrial production is a major economic sector in Germany and so industry emissions were and still are important regarding air quality. However, since the 1960s mitigation actions based on national and EU regulations have led to considerable emission reductions, most prominently for (coarse) dust, soot and sulphur dioxide [89], toxic compounds like heavy metals [70] and dioxins [71]. 

Public concern for the hazards of particle suspensions in the indoor and outdoor environment has produced regulations limiting particle concentrations and exposure levels. In the workplace, dust hazards are constrained by total mass concentration as well as concentration of specific toxic chemicals. In the ambient air, protection is stipulated in terms of total mass concentration of suspended particles andcertain chemical species, namely, lead and sulfate. Recently, measures of exposure have begun to distinguish between fine particles less than 2.5 fxm and coarse particles between 2.5 and 10 fxm. This separation relates to the ability of particles to penetrate the human respiratory system, and to different sources of fine and coarse particles. 

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