Preparation survey

Continuous Collection and Classification of Data as an Aid in Preparing Surveys... 

Inasmuch as collection of material usually requires by far the largest amount of time consumed in the preparation of literature and patent surveys, and entirely determines the coverage, increasing the efficiency of the collection step is of paramount importance. The present paper outlines a scheme for preparing surveys with a near minimum of time expenditure and a high degree of completeness, by continuous collection, classification, and filing of current literature and patents. 

Equipment/material Surveys. Equipment/material surveys are performed in a manner similar to that used for area surveys. Hand sketches of the object to be surveyed are prepared. Surveying begins at the lower and outer surface of the object to be surveyed and progresses in an upward direction until the object is completely surveyed. Areas of contamination and levels of activity identified are noted on the sketch. Survey records developed from equipment/material monitoring are similar in their information content to those prepared for area surveys. 

A review [525] on the NMR-quadrupole splitting method for studying ion binding in liquid crystals has recently been prepared, surveying the underlying theory and, inter alia, halide ion splitting results and their interpretation. 

Exploration activities are potentially damaging to the environment. The cutting down of trees in preparation for an onshore seismic survey may result in severe soil erosion in years to come. Offshore, fragile ecological systems such as reefs can be permanently damaged by spills of crude or mud chemicals. Responsible companies will therefore carry out an Environmental Impact Assessment (EIA) prior to activity planning and draw up contingency plans should an accident occur. In Section 4.0 a more detailed description of health, safety and environmental considerations will be provided. 

A site survey will be carried out, from which a number of parameters can be established, e.g. carrying capacity of the soil at the planned location, possible access routes, surface restrictions like built-up areas, lakes, nature reserves, the general topography, possible water supplies. The survey will allow the adequate preparation of the future location. For instance, onshore in a swamp area the soil needs to be covered with support mats. 

In preparation for a field wide quick look correlation, all well logs need to be corrected for borehole inclination. This is done routinely with software which uses the measured depth below the derrick floor ( alonghole depth below derrick floor AHBDFor measured depth , MD) and the acquired directional surveys to calculate the true vertical depth subsea (TVSS). This is the vertical distance of a point below a common reference level, for instance chart datum (CD) or mean sea level (MSL). Figure 5.41 shows the relationship between the different depth measurements. 

Survey and account for the group characteristics and trends in the elements of Group O (He-Rn). Outline the preparation and stereochemistry of xenon tetrafluoride. 

This chapter is an attempt to present the important results of studies of the synthesis, reactivity, and physicochemical properties of this series of compounds. The subject was surveyed by Bulka (3) in 1963 and by Klayman and Gunther (4) in 1973. Unlike the oxazoles and thiazoles. there are few convenient preparative routes to the selenazoles. Furthermore, the selenium intermediates are difficult to synthesize and are often extremely toxic selenoamides tend to decompose rapidly depositing metallic selenium. This inconvenience can be alleviated by choice of suitable reaction conditions. Finally, the use of selenium compounds in preparative reactions is often complicated by the fragility of the cycle and the deposition of metallic selenium. 

Synthesis and Properties. Polyquinolines are formed by the step-growth polymerization of o-aminophenyl (aryl) ketone monomers and ketone monomers with alpha hydrogens (mosdy acetophenone derivatives). Both AA—BB and AB-type polyquinolines are known as well as a number of copolymers. Polyquinolines have often been prepared by the Friedlander reaction (88), which involves either an acid- or a base-catalyzed condensation of an (9-amino aromatic aldehyde or ketone with a ketomethylene compound, producing quinoline. Surveys of monomers and their syntheses and properties have beenpubhshed (89—91). 

J. L. Woolfrey, Preparation and Caldnation of Ammonium Uranates—-A Eiterature Survey, AEC/TM-476, AustraUm Atomic Energy Commission, Lucas Heights, Austraha, Sept. 1968. 

Syntheses, crystallization, structural identification, and chemical characterization of high nuclearity clusters can be exceedingly difficult. Usually, several different clusters are formed in any given synthetic procedure, and each compound must be extracted and identified. The problem may be compounded by the instabiUty of a particular molecule. In 1962 the stmcture of the first high nuclearity carbide complex formulated as Fe (CO) C [11087-47-1] was characterized (40,41) see stmcture (12). This complex was originally prepared in an extremely low yield of 0.5%. This molecule was the first carbide complex isolated and became the foremnner of a whole family of carbide complexes of square pyramidal stmcture and a total of 74-valence electrons (see also Carbides, survey). 

Tritium is the subject of various reviews (6—8), and a book (9) provides a comprehensive survey of the preparation, properties, and uses of tritium compounds. Selected physical properties for molecular tritium, are given in Table 1. 

Preparations are listed under the names which are used commonly for the compounds. For the convenience of those who wish to make a complete survey of the literature on any preparation, the Chemical Abstracts indexing name for each compound is given as a subtitle when that name differs from the title of the preparation. 

Of course, the most reliable and accurate method of quantitative analysis is to calibrate each element with standards prepared in matrices similar to the unknown being analyzed. For a survey technique that is used to examine such a wide variety of materials, however, standards are not available in many cases. When the technique is used mainly in one application (typing steels, specifying the purity of alloys for a selected group of elements, or identifying impurities in silicon boules and... 

I n parations appear in the alphabetical order of common names (il (he compounds. For convenience in surveying the literature toiu erning any preparation through Chemical Abstracts subject Indexes, the Chemical Abstracts indexing name for each compound In given as a subtitle if it differs from the common name used as I he title. 

Hyde, Shaw and Shepherd, apparently unaware of the bis-crowns prepared by Smid et reported a similar compound but by a remarkable route. In a survey... 

Numerous methods for the alkaloidal assay of lobelia and its galenical preparations have been published and two recent critical surveys, by a special committee of the Society of Public Analysts and by Caulkin, indicate that the process of Markwell is satisfactory. Processes for the isolation and separation of the various alkaloids have been protected by patent. Balandin states that Lobelia sessiliflora contains less alkaloid than L. injiata but yields a high-quality lobeline. 

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