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Observer diagnostic

It is not necessary to calibrate all test and measuring equipment. Some equipment may be used solely as an indicator, such as a thermometer, a clock, or a tachometer other equipment may be used for diagnostic purposes, to indicate if a fault exists. If such devices are not used for determining the acceptability of products and services or process parameters, their calibration is not essential. However, you should identify such devices as for Indication Purposes Only if their use for measurement is possible. You don t need to identify all clocks and thermometers fixed to walls unless they are used for measurement. Having observed that you record the time when observations were made, a zealous assessor may suggest that the clock be calibrated. If the time is not critical to product or process acceptability, calibration is unnecessary. [Pg.403]

The following techniques can be used to collect data about human performance in CPI tasks and provide input to task analysis methods described in Section 4.3. These data can include process information critical for the task, control strategies used by the workers, diagnostic plans etc. A distinction can be made among data collection methods that provide qualitative data (such as interviews, observations, and sources of documentation) and methods that can be used to measure aspects of performance (such as activity analysis, simulations, and information withholding). The latter methods can provide more precise data which can be quantified. [Pg.154]

A hypsochromic shift of 20-50 cm is observed in the double-bond stretching region, when the enamines are converted to the corresponding iminium salts by the electrophilic addition of a proton at the /3-carbon atom. The shift is accompanied by an enhancement in the intensity of the band. Leonard and co-workers (68,71-74) have used this absorption shift as a diagnostic tool for the determination of the position of the double bond... [Pg.39]

Examine each of the vibrational motions for acetone, and identify the motion corresponding to the CO stretch. What is its frequency Are there any other vibrations which have very similar frequencies Does your result have implications for the use of the CO stretching frequency as a diagnostic for carbonyl compounds Elaborate. Does the CO stretching frequency involve significant motion of any atoms other than the two which make up the carbonyl group Rationalize your observation. [Pg.255]

The diastereoselectivity observed on carbonyl addition of ( )-alkenyltitanium derivatives is in accordance with the reaction proceeding via a chair-like six-membered Zimmerman Traxler transition state. The following facts are diagnostic ... [Pg.406]

Glycosydation AChE and BChE carry 3 and 9, respectively, N-glycosylation consensus sequences attaching carbohydrate residues to the core protein via asparagines. Different molecular forms of the enzymes in various tissues, show different number and composition of carbohydrate residues. N-glycosylation at all sites was shown to be important for effective biosynthesis, secretion and clearance of ChEs from the circulation. Altered patterns of AChE glycosylation have been observed in the brain and cerebrospinal fluid of Alzheimer s disease (AD) patients, with potential diagnostic value. [Pg.359]

Clearly, the previously observed acidity dependencies cannot be satisfactorily diagnostic of the nitrousacidium ion being the electrophile, and, significantly perhaps, the rate of N-nitrosation of benzamide follows the hR acidity function, which indicates that the nitrosonium ion is the electrophile122. [Pg.50]

The cyclic voltammogram is characterized by several important parameters. Four of these observables, the two peak currents and two peak potentials, provide the basis for the diagnostics developed by Nicholson and Shain (1) for analyzing the cyclic voltammetric response. [Pg.30]

These models are designed to define the complex entrance effects and convection phenomena that occur in a reactor and solve the complete equations of heat, mass balance, and momentum. They can be used to optimize the design parameters of a CVD reactor such as susceptor geometry, tilt angle, flow rates, and others. To obtain a complete and thorough analysis, these models should be complemented with experimental observations, such as the flow patterns mentioned above and in situ diagnostic, such as laser Raman spectroscopy. [Pg.55]

HHMC can also be activated by a variety of non-immunological stimuli. Some have clinical relevance because they might explain certain adverse effects observed in vivo when these compoimds are used for diagnostic (contrast media, etc.) or therapeutic... [Pg.102]

All cyclic compounds of types 83-88 have been characterized by their diagnostically simple and C-NMR spectra. Some general regularities can be observed, namely, a small but steady upfield shift in the C-NMR spectra of the carbon signals of the polyacetylenic macrocycle with increasing ring sizes. [Pg.28]

Tartrate is a most widely used inhibitor of prostatic acid phenylphosphatase activity. With this inhibitor Bonner and associates detected five cases of unsuspected carcinoma of the prostate in 221 hospital patients and clarified the diagnoses in another four patients (98). Nonetheless, the diagnostic specificity of an elevated 1-tartrate inhibited activity is not absolute, as Fishman et. al found it elevated in 48 of 1,190 males without cancer. Whitmore and associates also observed this activity to be elevated in 3 of 20 patients with uncomplicated nodular hyperplasia (102). Hill compared the total versus the "prostatic" serum activities in 20 patients with localized untreated carcinoma of the prostate and observed... [Pg.215]


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See also in sourсe #XX -- [ Pg.127 ]




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