A. J. Ball

Publication List Details

Period

1924 - 9999

Number

43

Co-Authors

The Effect of Stacking Sequence Upon the Mechanical Properties of Thermoplastic Composite Laminates. (9999)

Ball, A. J., Young, R., Cervenka, A.

The effect of the laminate stacking sequence upon the tensile modulus, the ultimate tensile strength and the failure strain was determined for symmetrical 8-ply laminates of APC-2 with +/- 45 degrees...

Triple F—a comet nucleus sample return mission (2009)

Küppers, Michael, Keller, H. U., Kührt, E., A’Hearn, M. F., Altwegg, K., Bertrand, R., ...

The Triple F (Fresh From the Fridge) mission, a Comet Nucleus Sample Return, has been proposed to ESA’s Cosmic Vision program. A sample return from a comet enables us to reach the ultimate goal of...

Triple F - A Comet Nucleus Sample Return Mission (2008)

Küppers, Michael, Keller, Horst Uwe, Kührt, Ekkehard, A'Hearn, Michael, Altwegg, Kathrin, Bertrand, R., ...

The Triple F (Fresh From the Fridge) mission, a Comet Nucleus Sample Return, has been proposed to ESA’s Cosmic Vision program. A sample return from a comet enables us to reach the ultimate goal of...

MoonLITE – Technological feasibility of the penetrator concept (2008)

Smith, A., Crawford, I. A., Ball, A. J., Barber, S. J., Church, P., Gao, Y., ...

Introduction: While the surface missions to the Moon of the 1960s and 1970s achieved a great deal, scientifically a great deal was also left unresolved. The recent plethora of lunar missions (flown...

MUPUS – a Thermal and Mechanical Properties Probe for the Rosetta Lander Philae (2007)

Spohn, T., Seiferlin, K., Hagermann, A., Knollenberg, J., Ball, A.J., Banaszkiewicz, M., ...

MUPUS, the multi purpose sensor package onboard the Rosetta lander Philae, will measure the energy balance and the physical parameters in the near-surface layers – up to about 30 cm depth- of the...

Inferring the composition of the liquid Surface on Titan at the Huygens probe landing site from Surface Science Package measurements (2006)

Hagermann, A., Ball, A.J., Hathi, B., Leese, M.R., Lorenz, R.D., Rosenberg, P.D., ...

With Huygens’ descent into Titan’s atmosphere drawing nearer, the composition and state of Titan’s surface remained largely unknown. The idea of a global ocean on Titan has become less popular...

Concepts for a low-cost Mars micro mission (2006)

Walker, R. J., Ball, A. J., Price, M. E., Sims, M. R., Taylor, F. W., Wells, N. S., ...

This paper summarises three novel micro-mission concepts for the low-cost exploration of the Martian system. These concepts have been studied under national funding with the aim of defining highly...

In situ measurements of the physical characteristics of Titan's environment (2005)

Fulchignoni, M., Ferri, F., Angrilli, F., Ball, A.J., Bar-Nun, A., Barucci, M.A., ...

On the basis of previous ground-based and fly-by information, we knew that Titan's atmosphere was mainly nitrogen, with some methane, but its temperature and pressure profiles were poorly constrained...

Physical properties as indicators of liquid compositions: derivation of the composition for Titan's surface liquids from the Huygens SSP measurements (2005)

Hagermann, A., Zarnecki, J.C., Towner, M.C., Rosenberg, P.D., Lorenz, M.C., Leese, R.D., ...

We present a method for inferring the relative molar abundance of constituents of a liquid mixture, in this case methane, ethane, nitrogen and argon, from a measurement of a set of physical...

Temperature variations in Titan's upper atmosphere: Impact on Cassini/Huygens (2005)

Kazeminejad, B., Lammer, H., Coustenis, A., Witasse, O., Fischer, G., Schwingenschuh, K., ...

Temperature variations of Titan's upper atmosphere due to the plasma interaction of the satellite with Saturn's magnetosphere and Titan's high altitude monomer haze particles can imply an offset of...

Space weathering: Laboratory analyses and in-situ instrumentation (2005)

Bentley, M.S., Ball, A.J., Dyar, M.D., Pieters, C.M., Wright, I.P., Zarnecki, J.C.

Simulations of space weathering using laser irradiation are exploited to study the formation of sub-microscopic iron. A variety of magnetic techniques are evaluated to characterise this iron and are...

Extending the Bayesian mixture model to incorporate spatial information in analysing sheep CAT scan images (2005)

Mengersen, K L, Thompson, J M, Littlefield, P J, Perry, D, Ball, A J

The purpose of CAT scanning in some animal science experiments is to provide estimates of the proportion of the tissues, fat, muscle, and bone present in an individual body, and compare some of the...

Extending the Bayesian mixture model to incorporate spatial information in analysing sheep CAT scan images (2005)

Mengersen, K L, Thompson, J M, Littlefield, P J, Perry, D, Ball, A J

The purpose of CAT scanning in some animal science experiments is to provide estimates of the proportion of the tissues, fat, muscle, and bone present in an individual body, and compare some of the...

Temperature variations in Titan's upper atmosphere: Impact on Cassini/Huygens (2005)

Kazeminejad, B., Lammer, H., Coustenis, A., Witasse, O., Fischer, G., Schwingenschuh, K., ...

Temperature variations of Titan's upper atmosphere due to the plasma interaction of the satellite with Saturn's magnetosphere and Titan's high altitude monomer haze particles can imply an offset of...

Temperature variations in Titan's upper atmosphere: Impact on Cassini/Huygens (2005)

Kazeminejad, B., Lammer, H., Coustenis, A., Witasse, O., Fischer, G., Schwingenschuh, K., ...

Temperature variations of Titan's upper atmosphere due to the plasma interaction of the satellite with Saturn's magnetosphere and Titan's high altitude monomer haze particles can imply an offset of...

Extending the Bayesian mixture model to incorporate spatial information in analysing sheep CAT scan images (2005)

Alston, Clair Louise, Mengersen, K. L., Thompson, J. M., Littlefield, P.J., Perry, D., Ball, A. J.

The purpose of CAT scanning in some animal science experiments is to provide estimates of the proportion of the tissues, fat, muscle, and bone present in an individual body, and compare some of the...

Prelaunch performance evaluation of the cometary experiment MUPUS-TP (2004)

Marczewski, W., Schröer, K., Seiferlein, K., Usowicz, B., Banaszkiewicz, M., Hlond, M., ...

This paper discusses test results obtained in both laboratory and terrestrial environment conditions for the "Multipurpose Sensors for Surface and Sub-Surface Science'' Thermal Probe (MUPUS-TP),...

Growth and viability of osteoblasts on hydroxyapatite and tri-calcium phosphate ceramics: the effect of collagen coating (2002)

Ball, A.J., Rodgers, E.H., Goldie, E.I., Connel, G., Savage, R., Hamblin, J., ...

Summary of paper describing how Hydroxyapatite (HA) and tricalcium phosphate (TCP) ceramics form the basis for bioartificial bone replacement materials. They lack mechanical strength and cannot at...

Growth and viability of osteoblasts on hydroxyapatite and tri-calcium phosphate ceramics: the effect of collagen coating (2002)

Ball, A.J., Rodgers, E.H., Goldie, E.I., Connel, G., Savage, R., Hamblin, J., ...

Summary of paper describing how Hydroxyapatite (HA) and tricalcium phosphate (TCP) ceramics form the basis for bioartificial bone replacement materials. They lack mechanical strength and cannot at...

Determination of physical properties of planetary sub-surface layers by artificial impacts and penetrometry (2001)

Kömle, N. I., Kargl, G., Ball, A.J.

In recent years the exploration of planetary bodies by surface probes has entered a new phase of interest. The mechanical properties of the near-surface layers of cometary and planetary bodies,...

The effect of ambient pressure and impactor geometry on low speed penetration of unconsolidated materials (1999)

Garry, J.R.C., Towner, M.C., Ball, A.J., Zarnecki, J.C., Marcou, G.

The dynamic behaviour of projectiles impacting planetary surfaces can be measured to derive mechanical properties of the target material. Several such dynamic penetrometers will be used on Mars, the...

The effect of ambient pressure and impactor geometry on low speed penetration of unconsolidated materials (in Special issue Exploration of Small Bodies in the Solar System: Related Laboratory and Modelling Studies) (1999)

Garry, J.R.C., Towner, M.C., Ball, A.J., Zarnecki, J.C., Marcou, G.

The dynamic behaviour of projectiles impacting planetary surfaces can be measured to derive mechanical properties of the target material. Several such dynamic penetrometers will be used on Mars, the...

Routine laboratory assessment of postoperative chest infection: a prospective study.

Wilkinson, P J, Ball, A J, Doran, J, Gillespie, W A, Orton, V S

Postoperative chest infection was studied prospectively in 73 patients in order to evaluate standard laboratory methods of sputum examination and to relate the results to the patients' clinical state...

Endometrioid carcinoma of the prostate: a misnomer?

Vale, J A, Patel, A, Ball, A J, Hendry, W F, Chappell, M E, Fisher, C

The origin of this unusual variant of carcinoma of the prostate has provoked discussion ever since its first description in 1967. This is of both embryological interest and therapeutic importance....

Diagnosis and management of renal angioma.

Abercrombie, J F, Holmes, S A, Ball, A J

Five patients with symptomatic renal angiomata are described. All presented with heavy haematuria and unilateral ureteric obstruction without evidence of a mass distorting the renal architecture....

Late results of optical urethrotomy.

Smith, P J, Kaisary, A V, Ball, A J

Of 46 patients who underwent optical urethrotomy for differing strictures of the urethra, 41 (89.1%) remained free of stricture symptoms at follow up 6 years later. The initial effectiveness of this...

Routine laboratory assessment of postoperative chest infection: a prospective study.

Wilkinson, P J, Ball, A J, Doran, J, Gillespie, W A, Orton, V S

Postoperative chest infection was studied prospectively in 73 patients in order to evaluate standard laboratory methods of sputum examination and to relate the results to the patients' clinical state...

Endometrioid carcinoma of the prostate: a misnomer?

Vale, J A, Patel, A, Ball, A J, Hendry, W F, Chappell, M E, Fisher, C

The origin of this unusual variant of carcinoma of the prostate has provoked discussion ever since its first description in 1967. This is of both embryological interest and therapeutic importance....

Diagnosis and management of renal angioma.

Abercrombie, J F, Holmes, S A, Ball, A J

Five patients with symptomatic renal angiomata are described. All presented with heavy haematuria and unilateral ureteric obstruction without evidence of a mass distorting the renal architecture....

Late results of optical urethrotomy.

Smith, P J, Kaisary, A V, Ball, A J

Of 46 patients who underwent optical urethrotomy for differing strictures of the urethra, 41 (89.1%) remained free of stricture symptoms at follow up 6 years later. The initial effectiveness of this...