BS EN 13299-2000 Fertilizers - Determination of flow rate《肥料 流动速率的测定》.pdf

1、| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | BRITISH STANDARD BS EN 13299:2000 The Euro

2、pean Standard EN 13299:2000 has the status of a British Standard ICS 65.080 NO COPYING WITHOUT BSI PERMISSION EXCEPT AS PERMITTED BY COPYRIGHT LAW Fertilizers Determination of flow rateThis British Standard, having been prepared under the direction of the Sector Committee for Materials and Chemicals

3、, was published under the authority of the Standards Committee and comes into effect on 15 June 2000 BSI 06-2000 ISBN 0 580 34283 2 BS EN 13299:2000 Amendments issued since publication Amd. No. Date Comments National foreword This British Standard is the official English language version of EN 13299

4、:2000. The UK participation in its preparation was entrusted to Technical Committee CII/37, Fertilizers and related chemicals, which has the responsibility to: aid enquirers to understand the text; present to the responsible European committee any enquiries on the interpretation, or proposals for ch

5、ange, and keep the UK interests informed; monitor related international and European developments and promulgate them in the UK. A list of organizations represented on this committee can be obtained on request to its secretary. The United Kingdom voted against the acceptance of this standard at the

6、CEN Formal Vote stage because of discrepancies in the instructions in clauses 6 to 8 that might lead to confusion in the calculation of results. In particular, the variables appearing in the various equations, and the symbols by which they are represented, are inconsistent. It is the recommendation

7、of the BSI technical committee that equations (2) and (3) are disregarded and that equation (4) is used directly. Cross-references The British Standards which implement international or European publications referred to in this document may be found in the BSI Standards Catalogue under the section e

8、ntitled “International Standards Correspondence Index”, or by using the “Find” facility of the BSI Standards Electronic Catalogue. A British Standard does not purport to include all the necessary provisions of a contract. Users of British Standards are responsible for their correct application. Comp

9、liance with a British Standard does not of itself confer immunity from legal obligations. Summary of pages This document comprises a front cover, an inside front cover, the EN title page, pages 2 to 7 and a back cover. The BSI copyright notice displayed in this document indicates when the document w

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34、 | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | BSI British Standards Institution BSI is the independent national body responsible for preparing Britis

35、h Standards. It presents the UK view on standards in Europe and at the international level. It is incorporated by Royal Charter. Revisions British Standards are updated by amendment or revision. Users of British Standards should make sure that they possess the latest amendments or editions. It is the constant aim of BSI to improve the quality of our products and services. We would be grateful if anyone finding an inaccuracy or ambiguity while using this British Standa