GB - Chinese national standards

The human-centred organization—Rationale and general principles

Available languages: English, Chinese

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Nanotechnologies—Magnetic nanomaterials—Part 1: Specification of characteristics and measurements for magnetic nanosuspensions

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Nanotechnologies—Magnetic nanomaterials—Part 2: Specification of characteristics and measurement methods for nanostructured magnetic beads for nucleic acid extraction

Available languages: English, Chinese

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Ferrite cores—Standard inductance factor for gapped cores and its tolerance

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General specification for uniform light source

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Directives for commissioning and operation of hydraulic turbines,pump-turbines and storage pumps

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The calibration method of the grayscale standard display function for image

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Test method for parameters of thermoelectric terahertz detector

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Nanotechnology—Measurement for oxygen content and C/O of graphene powder—X-ray photoelectron spectroscopy

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Petroleum drilling and production equipment—Evaluation and testing of mechanical cement plugs

Available languages: English, Chinese

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