Procedure for Selection

There are several approaches to be followed in selecting a proper inhibitor for a given system. An outside consultant or various suppliers can be asked for advice. Often, the particular combinations at 

Aluminum Acid hydrochloric, IN 0.003 M a-phenylacridine, /J-naphthoquinone, acridine, thiourea,or 2-phenylquinoline 

Aluminum Acid sulfuric, cone. 5.0% sodium chromate 

Aluminum Alcohol anti-freeze Sodium nitrate and sodium molybdate 

Aluminum Ethanol, commercial 0.03% alkali carbonates, lactates, acetates, or borates 

---

API Bulletin DIO, Second Edition Procedure for Selecting Rotary Drilling Equipment, API, Dallas, January 1982. 

As practiced by the UL, the procedure for selecting an RTI from Arrhenius plots usually involves making comparisons to a control standard material and other such steps to correct for random variations, oven temperature variations, condition of the specimens, and others. The stress-strain and impact and electrical properties frequently do not degrade at the same rate, each having their own separate RTIs. Also, since thicker specimens usually take longer to fail, each thickness will require a separate RTI. 

Many procedures for selecting a AT-clustering have been described, none of them really satisfying. The most often used one is to plot some characteristic, such... 

If possible, the best procedure for selecting a tool is to implement a smaller test knowledge base similar to the final knowledge base in a few different tools. This test knowledge base should be small enough to be implemented quickly in different tools. On the other hand, it must be specific enough to highlight the differences between the tools. 

Describe drug desensitization procedures for selected drugs. ... 

Procedure for Selection and Smoothing of Density Values - Case 1... 

A complete description of the method requires a procedure for selecting the initial conditions. At t 0, initial values for the complex basis set coefficients and the parameters that define the nuclear basis set (position, momentum, and nuclear phase) must be provided. Typically at the beginning of the simulation only one electronic state is populated, and the wavefunction on this state is modeled as a sum over discrete trajectories. The size of initial basis set (N/it = 0)) is clearly important, and this point will be discussed later. Once the initial basis set size is chosen, the parameters of each nuclear basis function must be chosen. In most of our calculations, these parameters were drawn randomly from the appropriate Wigner distribution [65], but the earliest work used a quasi-classical procedure [39,66,67], At this point, the complex amplitudes are determined by projection of the AIMS wavefunction on the target initial state (T 1)... 

In some cases, silylation of AN and their derivatives produces nitroso acetals containing the N -siloxy fragment or cyclic ethers of oximes (predominantly substituted 5.6-dihydro-4f/-oxazines). To use these products in strategies for synthesis, it is worthwhile to develop convenient procedures for selective reductions of the above derivatives to the corresponding amines. 

The body of samples selected is split into two subsets, namely the calibration set and the validation set. The former is used to construct the calibration model and the latter to assess its predictive capacity. A number of procedures for selecting the samples to be included in each subset have been reported. Most have been applied to situations of uncontrolled variability spanning much wider ranges than those typically encountered in the pharmaceutical field. One especially effective procedure is that involving the selection of as many samples as required to span the desired calibration range and encompassing the whole possible spectral variability (i.e. the contribution of physical properties). The choice can be made based on a plot of PCA scores obtained from all the samples. 

There may be more than one plausible model structure that can be used to describe the data. In that case, any plausible model is analysed in a similar way. If the goodness-of-fit of more than one model is acceptable (see Section 13.2.8.5), a procedure for selecting the best model is required. 

Chiang, P.C. Etzel, J.E. Procedure for selecting the optimum removal process for cationic surfactants. In Toxic and Hazardous Waste-, LaGrega, Hendrian, Eds. Butterworth Boston, MA, 1983. Cohen, J.M. Taste and Odor of ABS-, US Dept, of Health, Education and Welfare Dept. Cinciimati, OH, 1962. 

Both procedures for selective syntheses of 2,6-dideoxy-a- and B-glycosides will be outlined in the aure-olic acid and also the anthracycline oligosaccharide series. 

Amine extraction of penicillins has been examined in a pilot scale extractor and its performance has been analyzed through suitable mathematical models 117-19]. Extraction efficiency as high as 90% was achieved under suitable conditions. The procedure for selection of volume ratios of the aqueous to organic phase and concentration ratio of carrier (Amberlite LA-2) to penicillin-G at a desired degree of extraction and enrichment has recently been described [20]. Ion-pair extraction of penicillin-V and phenoxy acetic acid with Amberlite LA-2 hydrochloride and tetrabutyl ammonium hydrogen sulfate can be effective in... 

Oldshue (26) provides a detailed procedure for selecting mixing times and optimizing mixer and impeller configurations for viscous and shearthinning materials, which can be adapted for other rheologically challenging... 

Blache D, Bouthillier D, Davignon J (1983) Simple, reproducible procedure for selective measurement of lipoprotein lipase and hepatic lipase. Clin Chem 29 154-158 Bodamer OA, Bercovich D, Schlabach M, Ballantyne C, Zoch D, Beaudet AL (2002) Use of denaturing HPLC to provide efficient detection of mutations causing familial hypercholesterolemia. Clin Chem 48 1913-1918... 

Oldshue [25] provides a detailed procedure for selecting mixing times and... 

One of the widest applications of system analysis in this field has been to provide procedures for selecting the proper weapon and munition for a given target or target complex. 

A two-part series, Designing Oil and Gas Production Systems" by Arnold and Stewart, provides theory and background requirements for selecting two- and three-phase separators. Formulas for liquid-drop velocity, drop diameter, and liquid retention time, as well as step-by-step procedures for selecting both types of separators, are included. Tables provide a means of simplifying vessel sizing calculations. 

Another approach in the study of the mechanism and synthetic applications of bromination of alkenes and alkynes involves the use of crystalline bromine-amine complexes such as pyridine hydrobromide perbromide (PyHBts), pyridine dibromide (PyBn), and tetrabutylammonium tribromide (BiMNBn) which show stereochemical differences and improved selectivities for addition to alkenes and alkynes compared to Bn itself.81 The improved selectivity of bromination by PyHBn forms the basis for a synthetically useful procedure for selective monoprotection of the higher alkylated double bond in dienes by bromination (Scheme 42).80 The less-alkylated double bonds in dienes can be selectively monoprotected by tetrabromination followed by monodeprotection at the higher alkylated double bond by controlled-potential electrolysis (the reduction potential of vicinal dibromides is shifted to more anodic values with increasing alkylation Scheme 42).80 The question of which diastereotopic face in chiral allylic alcohols reacts with bromine has been probed by Midland and Halterman as part of a stereoselective synthesis of bromo epoxides (Scheme 43).82... 

General Procedure for Selective Oxidation of Allylic, Benzylic and Propargylic Alcohols with Mn02... 

---