GB/T 6001-1985
Active
DB51/T 1901-2014
Active
Sichuan ProvinceLocal standards
DB51/T 1901-2014 DB51/T 1901-2014 Age determination method for dark wood
DB51/T 1901-2014 DB51/T 1901-2014 Age determination method for dark wood
Price:
$ 30
Basic Information
Standard Code:
DB51/T 1901-2014
Standard Type:
Local standards
Standard Status:
Active
is_force_gb:
no
CCS Name:
Seeds, seedlings, and nurseries
ICS Name:
\nGreening and afforestation
Publish Date:
2014-11-11
Implement Date:
2014-12-01
Pages:
8 pages
Scope
This standard specifies the experimental equipment, sampling methods, testing methods, and result calculation for determining the age of petrified wood. This standard is applicable to wood samples with intact trunks and complete annual rings in the cross-section of petrified wood.
Development Information
Related Standards
GB/T 14071-1993
Replaced
GB/T 14071-1993 The standard of examination and approval of improved varieties of forest tree
GB/T 14072-1993
Active
GB/T 14072-1993 Conservation principle and method of germplasm resources of forest trees
GB/T 14073-1993
Abolished
GB/T 14073-1993 Selection and breeding of procedure and request of the main broadleaf trees improved variety
GB/T 14175-1993
Active
GB/T 14175-1993 Introduction of exotic forest trees
GB/T 15162-1994
Replaced