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On outlier identification in geodetic networks using principal component analysis

Aduol, Francis O. (1986)

Detection of outliers in geodetic networks using principal component analysis and bias parameter estimation.

Aduol, Francis O. (1987)

Temperature dependence of the Hg 6s6p(3P0→3P1) transition induced by nitrogen

Callear, Anthony B; Shiundu, Paul M (Elsevier, 1987)

The rate coefficient of the process Hg 6s6p(3P0→3P1) induced by nitrogen collisions has been measured over the range 285 to 340 K. The temperature variation closely matches that of the concentration of N2(v = 1). The results ...

Efforts to identify early spontaneous embryo mortality in the rhesus monkey (Macaca mulatta)

Mbai, Fiona N (1989)

Computer-controlled apparatus for automated development of continuous flow methods

Wentzell, Peter D; Hatton, Michael J; Shiundu, Paul M; Ree, Ronald M; Wade, Adrian P (1989)

An automated apparatus to assist in the development ofanalytical continuous flow methods is described. The system is capable of controlling and monitoring a variety ofpumps, valves, and detectors through an IBM PC-AT ...

Spectrophotometric determination of palladium with sulfochlorophenolazorhodanine by flow injection

Shiundu, Paul M; Wentzell, Peter D; Wade, Adrian P (1990)

Sulfochlorophenolazorhodanine (as its sodium salt) has been used in the automated development of a sensitive flow-injection procedure for the spectrophotometric determination of palladium. The resulting method has high ...

Automated exploration and exploitation of flow-injection response surfaces

Wadell, A.P; Shiundu, P.M; Wentze, P.D (Elsevier, 1990)

Three-dimensional plots of instrumental responses vs. chemical concentrations or flow parameters have been 1 obtained in an automated manner on a computer-controlled flow-injection methods development system. Consideration ...

Spectrophotometric determination of peroxydisulphate with o-dianisidine by flow injection

Shiundu, Paul M; Wade, Adrian P; Jonnalagadda, S. B (1990)

Precise and accurate knowledge of peroxydisulfate ion concentration is critical in industrial polymer production, where it is extensively used as an activator. Its ability to oxidize in either acidic, neutral, or alkali ...

Auto-resonant peniotron amplifier with a down tapered DC magnetic field

Musyoki, Stephen; Yokoo, Kuniyoshi; Sato, Nabuyi; Ono, Shoichi (Taylor & Francis, 1990-02)

High efficiency operation of an auto-resonant peniotron amplifier operating with a down tapered DC magnetic field is discussed and the basic design concepts for a 200 GHz experimental prototype tube are described.

Development of catalytic photometric flow injection methods for the determination of selenium

Shiundu, Paul M; Wade, Adrian P (1991)

Auto-resonant eniotron oscillator using a magnetron type cavity

Musyoki, Stephen; Yokoo, Kuniyoshi; Sato, Nobuyuki; Ono, Shoichi (1991)

In an ideal auto-resonant eniotron oscillator (ARPO), all the electrons are able to give almost all their kinetic energy to an electromagnetic wave, resulting in a conversion efficiency of nearly 100%. However, the electric ...

Versatile IEEE-488 data acquisition and control routines for a diode array spectrophotometer

Shiundu, Paul M; Wade, Adrian P (1991)

The UV-visible diode array spectrophotometer is a work-horse instrument for many laboratories. This article provides simple data acquisition and control routines in Microsoft QuickBasic for a HP-8452A diode array ...

Design of a high power, 10 GHz auto-resonant peniotron amplifier

Musyoki, Stephen; Sakamoto, Keishi; Watanabe, Akihiko (1992)

The autoresonant peniotron amplifier is a suitable source of high power RF radiation because of its high gain, high power, high frequency and high efficiency operation features. In this report we present our simulation ...

Revision Music for KCPE

Karonji, RM; Akuno, EA (East African Educational Publishers, 1992)

Spectrophotometric method for determination of sulfide with iron (III) and nitrilotriacetic acid by flow injection

Kester, Michael D; Shiundu, Paul M; Wade, Adrian P. (Elsevier, 1992)

A manual colorimetric method for determination of sulfide has been adapted to flow injection, systematically optimized, and more fully characterized. Its intended application is for measurement of sodium sulfide reagent ...

Design of a high power, 2.75 GHz relativistic peniotron oscillator

Musyoki, Stephen; Sakamoto, Keishi; Watanabe, Akihiko (1992-10)

In the peniotron oscillator, the kinetic energy of relativistic electrons can be efficiently converted to an electromagnetic wave. This feature makes the peniotron a very attractive source of high power microwaves, which ...

A static dynamic model for densification of geodetic networks.

Aduol, Francis O. (1993)

in the tradition of several joint papers by the honoree and myself, including E. Grafarend and B. Schaffrin (1974, 1976, 1988) and E. Grafarend, B. Schaffrin, and E. Knickmeyer (1982), I took up the subject ...

A model for the establishment of an integrated regional geodetic datum

Aduol, Francis O. (1993)

A model for the establishment of an integrated geodetic datum covering a region is treated. The integrated geodetic datum is understood here to comprise the geoid, the reference ellipsoid, and the positional coordinates. ...

Robust geodetic parameter estimation through iterative weighting

Aduol, Francis O. (1994)

A procedure for robust linear estimation of parameters on the basis of iterative weighting of observations is presented. The approach considers the weights of observations as not just functions of the observational variances, ...

A new method of emittance measurement for electron beams from the Micro-emitter

Ishizuka, Hiroshi; Nakahara, Yuriko; Kawasaki, Sunao; Musyoki, Stephen; Shimizu, Hiroshi; Watanabe, Akihiko; Shiho, Makoto (1994)

Recently a new type of cathode called Micor-emitter has been put in progress. This cathode is a microfabricated field emitter having the characteristics of very low emittance and high brightness. We cannot measure the ...

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