GB - Chinese national standards

Technical specification at the project level for assessment of greenhouse gas emission reduction—The biomethane engineering

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Determination of total carbon, nitrogen and sulfur in soil

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Determination of carbonate content of soil—Volumetric method

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Code of practice for conservation of silkworm (Bombyx mori) germplasm resources

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Hive

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Code of practice for breed reproduction of Chinese oak silkwormAntheraea pernyi

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General rules for prevention and control of silkworm diseases and hazards

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Code of practice for conservation and evaluation of Chinese oak silkworm (Antheaea pernyi) germplasm resources

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General technical specification of good agriculture and collection practices for medicinal plant

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Determination of available boron in soil

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