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Authors:
ASTM
Date: 2019-05-14
|2019-05-14
|2001–1
|2006
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Subject: Document Delivery | Translations | Books of Standards Volume 09.01 | Chemistry and technology of rubber: general
Language: EN
Type: Article
Identifier: valet-20190514-092532
Description: These test methods are suitable for process control, for product acceptance, and for research and development. The scope of these test methods cover the determination of lead, zinc, copper, and mangan… More
Authors:
Leniger, H. A.
Date: 2018-08-3
|2018-08-3
|2001–1
|1939
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Language: EN
Type: Article
Identifier: valet-20180803-120942
Description: On some estates of the Netherlands-Indies Agricultural Company Ltd. good results have of late been obtained with crepe batteries, manufactured in this country (by Brant). Expecting that there would be… More
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Authors:
De Fluiter, H. J.
Date: 2018-08-3
|2018-08-3
|2001–1
|1939
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Language: EN
Type: Article
Identifier: valet-20180803-132548
Description: The occurrence of fungi, belonging to the genus Hellcobasidium on Hevea has already long been known. Fetch for instance (3 page 198) in 1911 mentioned that in 1901 in British Malaya a sterile mycelium… More
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Authors:
Engr | de Jong, W. H.
Date: 2018-08-2
|2018-08-2
|2001–1
|1939
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Language: EN
Type: Article
Identifier: valet-20180802-124919
Description: In “De Bergcultures” of 13 Novemoer 1837, page 1618 etc. some fertilizing experiments with Hevea were reported upon. Herebelow we give further information on the same subject. All experiments, here in… More
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Authors:
Anon
Date: 2018-08-2
|2018-08-2
|2001–1
|1939
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Language: EN
Type: Article
Identifier: valet-20180802-152359
Description: I have the pleasure herewith to inform you of the results of the enquiry, held this year as in 1937, into the yields of unmixed fields of budded Hevea trees. Enquiry-forms were sent to all those estat… More
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Authors:
Fischnich, O.
Date: 2018-08-2
|2018-08-2
|2001–1
|1939
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Language: EN
Type: Article
Identifier: valet-20180802-155345
Description: The experiments that will be described here, have however not been made in moist air - (as described in the earlier paper) - because in spite of all precautions taken the risk of mould attack on the c… More
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Authors:
van Hell, W. F.
Date: 2018-08-2
|2018-08-2
|2001–1
|1939
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Language: EN
Type: Article
Identifier: valet-20180802-162736
Description: The thorough physiological investigations, made in the last few years, have shown that the growth and development of plants like those of animals is governed by certain substances known as hormones. A… More
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Authors:
Schrieke, O.B.
Date: 2018-07-27
|2018-07-27
|2001–1
|1939
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Language: EN
Type: Article
Identifier: valet-20180727-124945
Description: It has been found that the Westfalia centrifuge used is very suitable for concentrating latex. Compared with other separators it has the advantage of the high efficiency due to the low rubber percenta… More
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Authors:
Nicolas, D.
Date: 2012-08-29
|2012-08-29
|2001–1
|1976
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Language: EN
Type: Article
Identifier: valet-20120829-135335
Description: Flower induction was carried out on a small scale in the Far East. Different techniques were used : bending or arching and girdling (Campaignolle and Bouthillon, 1955; de Silva and Chandra Sekera, 195… More
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Date: 2012-08-28
|2012-08-28
|2001–1
|1952
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Language: EN
Type: Article
Identifier: valet-20120828-14255
Description: In this paper, which is to some extent introductory in character, we will start by recalling the experimental procedures which have been developed and adopted in this Laboratory for ozonide measuremen… More
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Authors:
Rodrigues, M.G.
Date: 2012-08-28
|2012-08-28
|2001–1
|1972
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Language: EN
Type: Article
Identifier: valet-20120828-143826
Description: The caterpillar/moth under study is found principally in that part of the rubber tree where latex is extracted. It is of great importance as it may cause irreparable damage to the rubber tree. These m… More
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Authors:
Loyen, G. | Livonnier, H.D.
Date: 2012-08-28
|2012-08-28
|2001–1
|1975
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Subject: Translation | No. 832 | Translations | Exploitation: tapping, latex collection and transport
Language: EN
Type: Article
Identifier: valet-20120828-151415
Description: The economical imperatives and the research for ways to rationalize the collection of natural rubber have led plantation companies and research institutes to think of a new way of collecting rubber by… More
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Authors:
Coster, C.
Date: 2012-08-28
|2012-08-28
|2001–1
|1923
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Language: EN
Type: Article
Identifier: valet-20120828-133725
Description: Observations relating to periodic life processes in a region where there is a well-defined dry monsoon can thus be of special interest; the author have moreover carried out some experiments to obtain … More
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Authors:
Pinheiro, E. | Libonati, V.F.
Date: 2012-08-28
|2012-08-28
|2001–1
|1971
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Language: EN
Type: Article
Identifier: valet-20120828-150212
Description: This paper begins by presenting a summary of the breeding programme developed in the Amazons since 1928 in order to produce Hevea clones both high yielding and resistant to Dothidella ulei P. Henn. Th… More
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Authors:
Coster, C.
Date: 2012-08-28
|2012-08-28
|2001–1
|1926
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Language: EN
Type: Article
Identifier: valet-20120828-14539
Description: During recent decades the question of periodicity in life processes has formed the subject of numerous publications, and observations made in the tropics have been a major source of much interesting a… More
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