摘要:

A process suitable for cooling and warming the isolated rat heart by a perfusion technique was designed, built, automated and tested in the areas of normothermia, hypothermia, cryopro-tectant (CPA) administration and cooling to -22°C. The major benefits were in the application of computer control technology to a complex field like cryopreservation with promising results.

ISSN:1073-9149    

DOI:10.1080/10739148108543536

出版商:Taylor & Francis Group    

年代:1981

数据来源: Taylor

摘要:

The field desorption source and probe of an AEI/Kratos MS-50 mass spectrometer have been modified for thermal desorption measurements. Examples of spectra of several organic salts are presented.

ISSN:1073-9149    

DOI:10.1080/10739148108543537

出版商:Taylor & Francis Group    

年代:1981

数据来源: Taylor

摘要:

A thermogravimetric analyzer (TGA) has been interfaced with a microprocessor to study solid/gas reaction kinetics. The TGA measures the change in weight of the solid as the reaction proceeds, thus serving as a microreactor. The TGA is controlled by the microprocessor, and the operating conditions are continuously displayed on the CRT. The system can send data obtained during the course of an experiment to tape storage or to a mainframe computer for further analysis. Software was developed to allow the microprocessor to communicate with two mainframe computers over ordinary telephone lines. This paper discusses the hardware and software which is used for data acquisition and control.

ISSN:1073-9149    

DOI:10.1080/10739148108543538

出版商:Taylor & Francis Group    

年代:1981

数据来源: Taylor

摘要:

Procaine, Lignocaine, Amethocaine and Cinchocaine in pure form and in pharmaceutical preparations were analysed using the acid-dye technique. The optimum conditions for the analysis, stsichiometry of the reaction (Sensitivity, interferences and validity of the procedure were studied.

ISSN:1073-9149    

DOI:10.1080/10739148108543539

出版商:Taylor & Francis Group    

年代:1981

数据来源: Taylor

摘要:

The operation of a set of computer programs for the reduction and qualitative analysis of mass spectral data from mixtures of organic compounds is described. The routines were developed for the analysis of data from fossil fuel materials but are applicable to any mixture of organic species. Data is processed by first sorting masses into homologous series and then placing the homologous series into groups which contain the same heteroatomic species. Within these groups series are ordered according to degree of unsaturation. Empirical formula possibilities are determined and plots of intensity versus mass are made for each homologous series. The routines are very general and can be used with any type of ionization process and with a wide variety of heteroatomic species. An example of the application of these routines to an aromatic nitrogen concentrate from shale oil is presented.

ISSN:1073-9149    

DOI:10.1080/10739148108543540

出版商:Taylor & Francis Group    

年代:1981

数据来源: Taylor