Big Chemical Encyclopedia

Chemical substances, components, reactions, process design ...

Articles Figures Tables About

Control Programs

If you are familiar with computer languages such as BASIC or FORTRAN, you will find yourself quite comfortable with most of the material in this section. [Pg.265]


Depending on conditions XTVI can use both stationary, mobile or small-size pulse X-ray units like RUP-150/300, RUP-120, "Arina-02". The tests of unit showed effective operation of XTVI in conjunction with program-controlled pulse X-ray units RAP-90, RAP-160, RAP-300, developed in Introscopy Institute. [Pg.449]

This is the speed controller block that consists of both a PID (proportional integral derivative, a type of programming) controller and an acceleration compensator. The required speed reference signal is compared with the actual speed signal obtained from the motor model (section 2). The error signal is then fed to both the PID controller... [Pg.109]

The best way to combat corrosion is to maintain an effective corrosionmonitoring program to supplement good preventative measures. It is also very important to keep complete records of monitoring programs, control programs and failures that occur. The importance of well-qualified responsible personnel cannot be overemphasized as effective corrosion control depends on their efforts [201,204,205]. [Pg.1312]

Table 10.7 is an all-polymer/all-organic program control chart... [Pg.460]

The chosen coordinates defining minimum/maximum pH levels and minimum/maximum phosphate (as ppm P04) led to the production of various coordinated phosphate program control charts for different pressure ratings (maximum phosphate solubility is a function of pressure). The area within the coordinates providies a simple control box for BW testing purposes. [Pg.467]

Basic flaws in coordinated phosphate program control logic and other relevant issues include ... [Pg.467]

Traditional Coordinated and Congruent Phosphate Program control areas ... [Pg.471]

In general, the tables simply provide recommendations for the operational control of FW and BW chemistry and are not designed to be a set of inflexible rules. Consequently, if experience confirms that alternative program control limits will lead to safer, easier, and more reliable operation of the boiler plant, then experience should be the deciding factor. [Pg.561]

In addition to the author s guidelines covering BW and treatment program control (listed on the first page of this chapter) and the ABMA recommendations discussed in 12.1.3, an additional 17 tables from other sources are reproduced in this section. [Pg.566]

Nixon DW, Zang EA, McShane P, Ferretti A, Ferguson L, Gardnet R. The South Carolina prostate cancer prevention and telehealth program. Controlled Clin Trials 2003 P31. [Pg.629]

In 1985, the Strategic Defense Initiative Organization performed a simple experiment (and thereby rose to the occasion). The crew of the space shuttle was to position the shuttle so that a mirror mounted on its side could reflect a laser beamed from the top of a mountain 10,023 feet above sea level. But the computer program controlling the shuttle s movements interpreted the information it received on the laser s location as indicating the elevation in nautical miles instead of feet. As a result the program positioned the shuttle to receive a beam from a nonexistent mountain 10,023 nautical miles above sea level. [Pg.38]

With the abundance of wash process signals mentioned here it is fair to say that this information can only be evaluated effectively with a fully electronic program control. From the actual wash requirements and the information registered, an optimal process sequence is worked out and then set automatically, taking into account important parameters such as wash and spin speeds, program duration, water levels and number of rinses. [Pg.32]

Using the Parameter-Optimize feature in MADONNA, determine the maximum value of J in both programs (controlled and uncontrolled). Here the function to maximize is -J, since a minimum is sought. [Pg.369]

Watch Dog Timer (WDT)—A program control monitor that indicates when a program execution has exceeded a prescribed time period. [Pg.446]

In the first section, the mechanisms involved in size exclusion chromatography are discussed this is an area where additional understanding and clarification still are needed. Data treatment with respect to statistical reliability of the data along with corrections for instrumental broadening is still a valid concern. Instrumental advances in the automation of multiple detectors and the developm.ent of a pressure-programmed, controlled-flow supercritical fluid chromatograph are presented. [Pg.1]

Pressure-Programmed Controlled-Flow Supercritical Fluid Chromatograph... [Pg.47]

In principle, it is not a big step from a system protected against all malfunctions to a fully automatic, program-controlled plant, though the complexity of the electrical circuits, of course, increases significantly. [Pg.89]

INBORN GENETIC PROGRAMS CONTROL FORMATION OF NEURONAL CONNECTIONS, WHEREAS AaiVITY REGULATES THEIR REMODELING... [Pg.12]

The concept of a "secure" prescription form was expanded by the federal government in 2008 to all prescriptions written for Medicaid patients. Any prescription for a Medicaid patient must be written on a security form if the pharmacist is to be compensated for the prescription service. In turn, the use of "triplicate" prescription forms was eliminated and replaced with an online electronic transmission system whereby orders for Schedule II and Schedule III prescriptions are transmitted to a company that acts as a repository for these transactions. In California, it is called the CURES program (Controlled Substances Utilization Review and Evaluation System). Additional information about CURES may be found at http //ag. ca. gov/bne/tri ps. ph p. [Pg.1377]

The baseline correction may either be directly applied by clicking the Execute button or may first be inspected by clicking the OK button, which changes the button panel to Baseline mode and program control transfers to different moduls depending on the baseline mode selected. Use the Help tool for more informations. [Pg.201]

Measurement of Volatile Matter Release Rates. Volatile matter release rates from anthracite were determined by using the apparatus shown diagram-matically in Figure 1. The power input to the 1-kw., 20-volt Hoskins tube furnace and transformer was controlled by means of a Leeds Northrup durationadjusting type program controller which permitted linear heating rates up to 20°C. per min. to be selected with varying soak times and temperatures. A maximum temperature of 1000°C. was used since this was the maximum temperature at which the furnace could be operated continuously. The temperature of the furnace was measured by a chromel-alumel thermocouple inside a... [Pg.597]

The introduction of forced air circulation in an oven allowed the control up to 300 - 400°C and the air bath is the main type of column oven available today for laboratory gas chromatographs. Several types of temperature controllers are used to control the temperature of these ovens. They basically differ in terms of cost, accuracy, and flexibility. They are usually advertised as isothermal or temperature-programming controllers but all, in general, use the following basic types of control ... [Pg.323]


See other pages where Control Programs is mentioned: [Pg.364]    [Pg.437]    [Pg.559]    [Pg.559]    [Pg.777]    [Pg.201]    [Pg.473]    [Pg.117]    [Pg.116]    [Pg.119]    [Pg.180]    [Pg.111]    [Pg.235]    [Pg.82]    [Pg.31]    [Pg.91]    [Pg.277]    [Pg.390]    [Pg.597]    [Pg.378]    [Pg.456]    [Pg.35]    [Pg.122]    [Pg.1]    [Pg.1]    [Pg.28]    [Pg.352]   
See also in sourсe #XX -- [ Pg.265 ]

See also in sourсe #XX -- [ Pg.265 ]




SEARCH



Program controllers

© 2024 chempedia.info