Standards

QX/T 90-2008 Active

QX/T 90-2008 Tree ring sampling specifications for climate research

This standard specifies the environmental requirements for sampling tree rings, the selection of tree species and sample trees, the sampling methods, the sample quantity, the sample recording, the sampling operations and precautions, and the transportation and storage of samples. This standard is applicable to the collection of tree ring samples in the field of climate research.

Publish Date: 2008-03-22

QX/T 94-2008 Active

QX/T 94-2008 QX/T 94-2008 Cold Dew Wind Level

This standard specifies the grade classification of cold dew wind and the regional grade classification of cold dew wind in China's double-season late-maturing rice growing areas. This standard is applicable to relevant work such as monitoring, forecasting, and evaluation of cold dew wind in China's double-season late-maturing rice growing areas.

Publish Date: 2008-03-22

QX/T 87-2008 Active

QX/T 87-2008 UV Index Forecasting (QX/T 87-2008)

This standard specifies the definition and calculation method of the ultraviolet index, forecasting methods, forecasting technical processes, forecasting effectiveness, and forecasting release content, etc. This standard is applicable to ultraviolet index forecasting by all types of meteorological stations.

Publish Date: 2008-03-22

QX/T 91-2008 Active

QX/T 91-2008 Indoor small climate Temperature, relative humidity, and the measurement method of temperature difference between indoors and outdoors

This standard specifies the observation methods for indoor microclimate elements: temperature, relative humidity, and the indoor-outdoor temperature difference. This standard applies to the observation of all three elements of indoor microclimate: temperature, relative humidity, and the indoor-outdoor temperature difference.

Publish Date: 2008-03-22

QX/T 88-2008 Active

QX/T 88-2008 Crop frost damage level

This standard specifies the frost damage grades of crops and their indicators. This standard is applicable to meteorological services and related scientific research in the fields of frost damage analysis and forecasting, prevention, and loss assessment of crops, as well as in related work of agriculture, forestry, and horticulture industries.

Publish Date: 2008-03-22

QX/T 99-2008 Active

QX/T 99-2008 Safety Operating Guidelines for Precipitation Enhancement and Hail Suppression Rocket Operation System

This standard specifies the safe operating procedures and requirements for rain enhancement and hail prevention rocket systems. This standard is applicable to the WR series, HJD series, RYI series, BL series, JFJ series, HJY series, and XR-05 type rain enhancement and hail prevention rocket systems for artificial rain enhancement and hail prevention operations.

Publish Date: 2008-03-22

QX/T 96-2008 Active

QX/T 96-2008 Snow Depth Remote Sensing Monitoring Techniques

This standard specifies the principles, monitoring process, monitoring methods, product production, and quality control content of snow cover remote sensing monitoring. This standard is applicable to the remote sensing monitoring of snow cover using meteorological satellites and other spaceborne optical instruments.

Publish Date: 2008-03-22

QX/T 92-2008 Active

QX/T 92-2008 QX/T 92-2008 Performance testing specifications for humidity calibration box

This standard specifies the terminology definitions, test methods, and test rules for the technical performance of humidity calibration boxes. This scope applies to the technical performance testing of newly manufactured, in-use, and modified humidity instrument calibration boxes. It can also be used as a reference for the technical performance testing of constant humidity boxes used for the calibration and verification of humidity measurement instruments or humidity sensors.

Publish Date: 2008-03-22

QX/T 98-2008 Active

QX/T 98-2008 QX/T 98-2008 Early rice seedling cultivation low temperature and rainy weather level

This standard specifies the grading and division principles for low-temperature rainy disasters during the sowing and seedling stage of early rice in early rice-growing areas. This standard is applicable to the monitoring, forecasting, warning, evaluation, and scientific research of low-temperature rainy weather in early rice-growing areas.

Publish Date: 2008-03-22

QX/T 9-2002 Active

QX/T 9-2002 Model GX-2 device of hydrogen production by water electrolysis

This standard specifies the requirements, test methods, inspection rules, marking, packaging, transportation, and storage for the GX-2 hydrogen production equipment used in the meteorological industry.

Publish Date: 2002-07-10

QX/T 10-2002 Active

QX/T 10-2002 Surge Protective Devices - Part 1: Performance Requirements and Test Methods

This part of QX10 specifies the performance requirements and test methods for surge protectors. This part is applicable to surge protectors connected to low-voltage distribution systems and to telecommunications and signal networks.

Publish Date: 2002-07-10