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A GRAPHICAL AND STATISTICAL-METHOD FOR INVESTIGATION OF TIME-SERIES IN CHRONOBIOLOGY ACCORDING TO THE COSINOR PROCEDURE

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computerS IN BIOLOGY AND MEDICINE 1990年第5期20卷 319-329页

作者： FAURE, A NEMOZ, C CLAUSTRAT, B HOSPICES CIVILS LYON INFORMAT MED LAB F-69003 LYONS FRANCE CTR MED NUCL LYON SERV RADIOPHARM & RADIOANAL LYONS FRANCE

The mathematical and statistical analysis of biological time series is complex. In view of the necessity to deal with non equidistant data to analyze biological variables, preference is often given to the "cosinor procedure". We propose here a graphical and statistical assistance program for single or multiple consinor procedure applicable to time series in chronobiology. This program investigates whether a cosine function or a mixture of cosine functions describe the experimental data adequately. The computer program is illustrated on data which have been published in a preceding paper (Mallo et al., Acta Endocrinologica 119, 474-480 (1988)).

关键词： computer program Chronobiology Cosinor procedure Multiple cosinor procedure

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DIGITAL-SIMULATION OF A GROUP OF INDUCTION-MOTORS

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PROCEEDINGS OF THE INSTITUTION OF ELECTRICAL ENGINEERS-LONDON 1975年第12期122卷 1399-1401页

作者： SRIHARAN, S UNIV SOUTHAMPTON DEPT ELECT ENGNSOUTHAMPTONENGLAND GLASGOW COLL TECHNOL DEPT ELECT & ELECTR ENGNN HANOVER PLGLASGOW G4 0BASCOTLAND

The calculation of the transient currents, voltages, torques and speeds of a group of induction motors supplied from a common transformer, following switching operations or faults, is considered. The differential equations describing the system are numerically integrated, accounting for any discrete changes in the currents caused by the switching operations. The digital computer program is capable of dealing with all the possible sequences of symmetrical switching and fault conditions in a group of up to 10 motors and it incorporates the facility for automatically plotting the main results on an incremental graph plotter. The paper indicates the theoretical approach and describes the computer program.

关键词： switching operations induction motors graph plotter computer program transient response torques transient digital simulation Asynchronous machines Power engineering computing electrical engineering applications of computers speeds

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EVALUATION OF SEMISUBMERSIBLE DRILLING VESSELS

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JOURNAL OF PETROLEUM TECHNOLOGY 1975年第APR期27卷 422-426页

作者： STANTON, PN KUANG, JG EXXON PROD RES CO LINDENNJ 07036

Evaluation of motion characteristics, structural integrity, and stability of semisubmersible drilling vessels can be done in several ways. computer programs for predicting semisubmersible motions and for evaluating semisubmersible stability have been developed. Methods for calculating the range of heave values in regular and irregular waves, and for analyzing stresses in irregular seas are ***. This paper describes methods for evaluating and comparing motion characteristics, structural integrity, and stability of semisubmersible drilling vessels. A computer program for predicting semisubmersible motion is presented, along with evidence of its validity. The range of heave values calculated for nine different rig designs is shown for both regular and irregular waves. A method for analyzing stresses in irregular seas and a computer program for evaluating semisubmersible stability is *** Considerations. Any semisubmersible drilling vessel is necessarily a compromise between many design considerations. Not everyone will agree on the best compromise among conflicting requirements, as evidenced by the fact that semisubmersibles presently under construction or built since 1972 have at least 16 significantly different *** are some of these design considerations? A major operating consideration is that the vessel have minimum motion in waves to provide a good drilling platform. Another consideration is mobility, since platform. Another consideration is mobility, since semisubmersible drilling vessels are used primarily for exploratory drilling. Factors influencing mobility are the vessel's over-all towing resistance and whether the vessel is self-propelled or assisted by propulsion. Other design considerations include load-carrying capacity, maximum deck load, and storage capacities. These items influence the operating flexibility of the vessel and the frequency with which it must be resupplied. Some rigs have had ease of fabrication a

关键词： deck load consideration coefficient wave period subsea system computer program irregular wave significant heave Drilling Equipment motion characteristic Drilling Equipment Offshore drilling units Offshore Facilities and Subsea Systems

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DESIGN OF CHANGE-SPEED SINGLE-WINDING INDUCTION-MOTORS

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PROCEEDINGS OF THE INSTITUTION OF ELECTRICAL ENGINEERS-LONDON 1976年第11期123卷 1223-1224页

作者： PARIMELALAGAN, R SUBBIAH, M KRISHNAMURTHY, MR REG ENGN COLL DEPT ELECT ENGNTIRUCHIRAPALLI 620015TAMIL NADUINDIA

A computer program for the design of a dual-speed single-winding 3-phase induction motor is presented. A novel feature of the program is the treatment of different classes of pole ratios by a unified logic, enabling an exhaustive study of the effects of initial pole distribution, coil pitch and switching arrangement on performance at both speeds.

关键词： CAD switching arrangement pole distribution induction motors Design dual speed single winding three phase induction motor Project and design engineering electrical engineering computing induction motor design coil pitch Power engineering computing computer program Asynchronous machines

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Development of a Predictive program for Vibrio parahaemolyticus Growth under Various Environmental Conditions

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BIOCONTROL SCIENCE 2009年第3期14卷 127-131页

作者： Fujikawa, Hiroshi Kimura, Bon Fujii, Tateo Tokyo Univ Agr & Technol Dept Vet Med Tokyo 1838509 Japan Tokyo Univ Marine Sci & Technol Dept Food Sci & Technol Minato Ku Tokyo 1088477 Japan

In this study, we developed a predictive program for Vibrio parahaemolyticus growth under various environmental conditions. Raw growth data was obtained with a V parahaemolyticus O3:K6 strain cultured at a variety of broth temperatures, pH, and salt concentrations. Data were analyzed with our logistic model and the parameter values of the model were analyzed with polynomial equations. A prediction program consisting of the growth model and the polynomial equations was then developed. After the range of the growth environments was modified, the program successfully predicted the growth for all environments tested. The program could be a useful tool to ensure the bacteriological safety of seafood.

关键词： computer program Predictive microbiology Vibrio parahaemolyticus Logistic model Polynomial model

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AN EFFICIENT GREENHOUSE DESIGN FOR HOT CLIMATES

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ENERGY CONVERSION AND MANAGEMENT 1990年第4期30卷 433-437页

作者： ALI, HM MOUSTAFA, S ELMANSY, H Mechanical Engineering Department Amirkabir University of Technology 424 Hafez Avenue Tehran Iran Sulaibiah Solar Program Kuwait Institute for Scientific Research P.O. Box 24885 Safat Kuwait

Greenhouses are needed in hot climates to protect plants from excessive heat, which limits productivity, and to reduce the excessive energy and water requirements associated with controlled environment agriculture under such conditions. In Kuwait, where ambient air temperature can reach 50°C during the summer and where fresh water is scarce, a new approach to greenhouse design was used. This approach included passive, as well as active, energy conservation measures, which made the utilization of such a greenhouse economically feasible. A computer program is proposed here for greenhouse design in Kuwait, aimed mainly at reducing the cooling load in an arid climate. It takes into consideration the climate, the material and the geometry of the greenhouse. The concept is to reduce the amount of intense solar radiation received in Kuwait (infrared radiation) but to maximize the amount of the solar spectrum needed for plants, as well as control the other environmental factors.

关键词： Kuwait Greenhouse Design Cooling computer program

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computer-AIDED WIDEBAND ANTENNA DESIGN IN BROADCAST BAND 2

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PROCEEDINGS OF THE INSTITUTION OF ELECTRICAL ENGINEERS-LONDON 1977年第6期124卷 519-523页

作者： EATON, JL THODAY, RDC BRITISH BROADCASTING CORP DEPT RESLONDONENGLAND

The paper describes the design of a wideband antenna suitable for relay stations broadcasting in band II over the range 88–100MHz. The optimisation of various design parameters was carried out with a computer program to meet the desired performance standards. Subsequent measurements on a scale model confirmed the calculations. The antenna has an operating bandwidth from 88 to 100 MHz: An outline of the method of computation is appended.

关键词： CAD Design broadcast antennas Project and design engineering 88-100 MHz relay stations broadcasting Electronic engineering computing Radio and television transmitters Antenna arrays optimisation computer program Audio and video equipment manufacturing design parameters wideband broadcast antenna communications computing

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A course delivery method by using a software to predict contaminant migration through a soil layer

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computer APPLICATIONS IN ENGINEERING EDUCATION 2018年第5期26卷 1324-1335页

作者： Cokca, Erdal Aktas, Tugce Middle East Tech Univ Dept Civil Engn K1 Bldg 301 TR-06800 Ankara Turkey

The authors propose a course delivery method for the contaminant transport through a saturated soil layer to explain contamination of soils in the Environmental Geotechnology course. In civil and environmental engineering education, analytical simulation models help students to understand the processes. MATLAB (c)-based simulation method is proposed in this paper, to enhance learning of students of contaminant migration phenomena, and the simulation program is written by the students within the course based on an existing analytical solution for two-dimensional transport of contaminants in a saturated soil layer. Students use systematic, step-by-step problem solving approach while identifying, formulating and solving the contaminant migration problem. The program is written for pulse source and includes advective and dispersive transport as well as sorption and the simulation is used to obtain the profiles of contaminant concentration as a function of distance from the source and time for a steady groundwater velocity. It is shown that the contaminant concentration profiles obtained by simulation demonstrate the processes involved, by this way, the software tool integrates with the rest of the course content. It was seen by the author that, almost all of the students, who are taking Environmental Geotechnology course, could write matlab codes for contaminant migration if guided properly by the instructor/assistant. In this regard, it seems important to conduct studies which will allow students to increase their matlab programming practice. Also the use of the computer simulation encourages the students to ask what if questions and to carry out parametric studies and to learn by discovery.

关键词： computer program contaminant migration modeling simulation soil

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Visualisation and integration of G protein-coupled receptor related information help the modelling: Description and applications of the Viseur program

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JOURNAL OF computer-AIDED MOLECULAR DESIGN 1999年第6期13卷 625-643页

作者： Campagne, F Jestin, R Reversat, JL Bernassau, JM Maigret, B Univ Nancy 1 Ctr Charles Hermite Chim Theor Lab CNRSUMR 7565 F-54506 Vandoeuvre Nancy France Sanofi Rech Serv Chim Struct F-34184 Montpellier France

G Protein-Coupled Receptors (GPCRs) constitute a superfamily of receptors that forms an important therapeutic target. The number of known GPCR sequences and related information increases rapidly. For these reasons, we are developing the Viseur program to integrate the available information related to GPCRs. The Viseur program allows one to interactively visualise and/or modify the sequences, transmembrane areas, alignments, models and results of mutagenesis experiments in an integrated environment. This integration increases the ease of modelling GPCRs: visualisation and manipulation improvements enable easier databank interrogation and interpretation. Unique program features include: (i) automatic construction of 'Snake-like' diagrams or hyperlinked GPCR molecular models to HTML or VRML and (ii) automatic access to a mutagenesis data server through the Internet. The novel algorithms or methods involved are presented, followed by the overall complementary features of the program. Finally, we present two applications of the program: (i) an automatic construction of GPCR snake-like diagrams for the GPCRDB WWW server, and (ii) a preparation of the modelling of the 5HT receptor subtypes. The interest of the direct access to mutagenesis results through an alignment and a molecular model are discussed. The Viseur program, which runs on SGI workstations, is freely available and can be used for preparing the modelling of integral membrane proteins or as an alignment editor tool.

关键词： alignment computer program GPCR HTML integral membrane proteins mutagenesis tool VRML

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A computer PACKAGE FOR A GEOTECHNICAL ENGINEERING LABORATORY

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computerS IN INDUSTRY 1993年第3期21卷 285-293页

作者： REDDY, ESB UNIV NOTTINGHAM DEPT CIVIL ENGNNOTTINGHAM NG7 2RDENGLAND

Geotechnical engineers need to study soil properties by conducting a number of field and laboratory tests. Processing geotechnical engineering laboratory test data is laborious and takes considerable time when doing it manually. The present paper explains the need of a computer package to process geotechnical engineering laboratory data and the details of a computer program which is being developed for this use. The different stages of the program are explained with the laboratory tests considered with the help of flow charts. The use of the program is illustrated with an example. Possible improvements to the program are proposed.

关键词： computer program BASIC INTERACTIVE MODE FLOW CHART GEOTECHNICAL ENGINEERING SOIL MECHANICS LABORATORY CLASSIFICATION TESTS TRIAXIAL TEST DIRECT SHEAR TEST CBR TEST CONSOLIDATION TEST DATA PROCESSING

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