On binary diffusion

Ashworth, J.C.; Keey, R.B.

doi:10.1016/0009-2509(72)85025-5

Cited by 3 publications

(4 citation statements)

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“…A closer similar expression for non-shrinking particles is given by Wilke and Hougen. (4) The NTU for a typical cross-circulation kiln for seasoning timber is about l. (5) The air-temperature changes throughout the dryer can be described in a similar way. The heat-transfer balance, analogous to equation (8.4), becomes…”

Section: Unbound Moisturementioning

confidence: 99%

“…Curiously not many reversals are needed. Ashworth and Keey (5) show that sufficient is one double reversal when the airflow has been restored to its original direction. The moisturecontent profile at the end of the first period is unchanged even if more double reversals are made.…”

Section: Drying: Princip Es and Practicementioning

confidence: 99%

“…The incremental benefit of flow reversals is hardly significant beyond eight equally timed flow-periods. (5) For the case when the characteristic drying curve is linear below the critical point and the board-to-board variations in moisture content are negligible at the critical point, it is possible to investigate more quantitatively the influence of airflow reversals. For fixed flow periods, the maximum variation in moisture content throughout the stack oscillates between converging limits, and becomes very small during the latter half of drying.…”

Section: Moisture-content Distributions When Characteristic Moisturementioning

confidence: 99%

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Batch Drying

Keey

1972

Drying

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Section: Unbound Moisturementioning

confidence: 99%

Section: Drying: Princip Es and Practicementioning

confidence: 99%

Section: Moisture-content Distributions When Characteristic Moisturementioning

confidence: 99%

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Keey

1972

Drying

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“…. 67 In May and June, diplomats received further signals that cultural, scientific and technological agreements would 'receive favourable consideration' by the Chinese. 68 In fact, of the other agreements in the works, none were so advanced as the scientific one, partly it seems because Taiwanese complications did not arise or were not raised.…”

Section: The China -Uk Agreementsmentioning

confidence: 99%

‘It's springtime for science’: renewing China–UK scientific relations in the 1970s

Agar

2012

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This paper examines how links between the People's Republic of China and the UK were rebuilt in the 1970s. It not only fills a gap in the historiography but also makes three particular arguments. The first is that there were two intersecting institutional paths along which the rebuilding of links were followed: a foreign policy path, in which the most important body was the Foreign and Commonwealth Office, and an academy-level path in which relations between the Royal Society and the Chinese Academy of Sciences (also known in the early years as the Academia Sinica) were crucial. Especially under conditions in which access and travel to China were extremely restricted, the Royal Society acted as a 'gatekeeper', rationing visits to a select few researchers. The second argument is that science was a strategic pathfinder or diplomatic 'avant garde'. The maintenance of scientific links, even during the most difficult periods of this history when they were all but severed, meant that a path was kept open to 'further communication and exchange between peoples-and governments', as Kathlin Smith has found in the broadly similar case of relations between China and the USA. In particular, scientific relations formed an important bridge in the negotiation and eventual agreement of the first treaty signed between the UK and communist China in 1978. It was no coincidence that this highest-level political agreement was accompanied by a parallel accord between the scientific academies. Third, I argue that, nevertheless, even this treaty was not entirely new, and that the model for the China -UK treaty was existing agreements on technology exchanges made with Eastern European countries. Keywords: China; scientific cooperation and exchange; Royal SocietyThe late 1970s were pivotal years for the history of modern China. The Cultural Revolution had encouraged attacks on Chinese experts and centres of research and learning, with few institutions ( primarily military research ones) emerging unscathed. A period of stasis ended with the death of Mao Zedong in 1976, followed by the high-level strife of the Gang of Four, and finally the consolidation of power under Deng Xiaoping. From the West's perspective, one visible sign of change was the new policies directed outwards from China to acquire foreign knowledge to assist in the four modernizations, the drive *ucrhjea@ucl.ac.uk

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Näherungslösungen für den Einfluß eines wandnormalen Massenstroms auf die Wärme-, Stoff- und Impulsübertragung

Käst

1980

Wärme- und Stoffübertragung

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On binary diffusion

Cited by 3 publications

References 9 publications

Batch Drying

Batch Drying

‘It's springtime for science’: renewing China–UK scientific relations in the 1970s

Näherungslösungen für den Einfluß eines wandnormalen Massenstroms auf die Wärme-, Stoff- und Impulsübertragung

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