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    YD/T 1927-2009 Technical Requirements for the Softswitch Services Access Control Device

    China Telecommunication - YD Standards

    YD/T 1843.4-2009 2GHz TD-SCDMA Digital Cellular Mobile Telecommunication Network:HSUPA Physical Layer Technical Requirements. Part 4: Spreading and Modulation

    China Telecommunication - YD Standards

    YD/T 1548.2-2009 Test Method for 2GHz WCDMA Digital Cellular Mobile Communication Network User Equipment(Phase Ⅲ). Part 2: Network Compatibility

    China Telecommunication - YD Standards

    YD/T 1915-2009 Technical requirements for IPv6. Mobile IPv6 fast handover

    China Telecommunication - YD Standards

    YD/T 1929-2009 Requirements for the Unified IMS(Phase 1)

    China Telecommunication - YD Standards

    YD/T 1892-2009 Technical Requirement for Device Management Services

    China Telecommunication - YD Standards

    YD/T 1642-2009 Test method of internet network and service quality

    China Telecommunication - YD Standards

    YD/T 1548.1-2009 Test Method for 2GHz WCDMA. Digital Cellular Mobile Communication Network User Equipment (Phase Ⅲ). Part 1: Basic Functions, Services and Performance

    China Telecommunication - YD Standards

    YD/T 1921.1-2009 Technical Requirements for IP Service Detail Record. Part 1: General Requirements

    China Telecommunication - YD Standards

    YD/T 1949.1-2009 Technical requirements for access network. Gigabit-capable passive optical network(GPON). Part1:General requirements

    China Telecommunication - YD Standards

    YD/T 1552-2009 2GHz WCDMA Digital Cellular Mobile Telecommunication Network Technical Specification of RAN Equipment(Phase 3)

    China Telecommunication - YD Standards

    YD/T 1935-2009 Testing Methods for IMS based Group Management Service(Phase 1)

    China Telecommunication - YD Standards

    GB/T 2912.1-2009 Textiles - Determination of formaldehyde - Part 1: Free and hydrolyzed formaldehyde(water extraction method)

    China National - YD Standards

    GB/T 2912.2-2009 Textiles - Determination of formaldehyde - Part 2: Released formaldehyde (vapour absorption method)

    China National - YD Standards

    GB/T 1981.5-2009 Varnishes used for electrical insulation - Part 5: Energy-saving fast curing melamine alkyd impregnating varnishes

    China National - YD Standards

    YD/T 979-2009 Specifications and Test Methods for Optical Fiber Ribbon

    China Telecommunication - YD Standards

    GB 23937-2009 Sodium hydrosulfide for industrial use

    China National - YD Standards

    GB/T 23975-2009 Determination of the quantity of tetrachlorophthalic anhydride in dye and pigment products

    China National - YD Standards

    GB/T 23993-2009 Determination of formaldehyde content of waterborne coatings - Spectrophtometric method with acetylacetone

    China National - YD Standards

    GB/T 23943-2009 Inorganic chemicals for industrial use - General method for the determination of chromium(Ⅵ) content - 1,5-diphenylcarbohydrazide spectrophotometric method

    China National - YD Standards

    GB/T 23967-2009 Trimellitic anhydride for industrial use

    China National - YD Standards

    GB/T 23995-2009 Indoor decorating and refurbishing solvent-based alkyd coatings for woodenware

    China National - YD Standards

    GB/T 23959-2009 Hydroquinone for industrial use

    China National - YD Standards

    GB/T 23973-2009 Determination of the quantity of formaldehyde in dye products

    China National - YD Standards

    GB/T 23992-2009 Determination of chlorhydrocarbon content in coatings - Gas chromatographic method

    China National - YD Standards

    YD/T 1551-2009 2GHz WCDMA Digital Cellular Mobile Telecommunication Network Iub Interface Test Method(Phase 3)

    China Telecommunication - YD Standards

    GB/T 23891.2-2009 Plain bearings - Hydrodynamic plain thrust pad bearings under steady-state conditions - Part 2: Functions for the calculation of thrust pad bearings

    China National - YD Standards

    GB/T 23892.1-2009 Plain bearings - Hydrodynamic plain tilting pad thrust bearings under steady-state conditions - Part 1: Calculation of tilting pad thrust bearings

    China National - YD Standards

    GB/T 23891.1-2009 Plain bearings - Hydrodynamic plain thrust pad bearings under steady-state conditions - Part 1: Calculation of thrust pad bearings

    China National - YD Standards

    GB/T 23892.3-2009 Plain bearings - Hydrodynamic plain tilting pad thrust bearings under steady-state conditions - Part 3: Guide values for the calculation of tilting pad thrust bearings

    China National - YD Standards

    GB/T 23892.2-2009 Plain bearings - Hydrodynamic plain tilting pad thrust bearings under steady-state conditions - Part 2: Functions for calculation of tilting pad thrust bearings

    China National - YD Standards

    GB/T 23876-2009 Feed additive - L-carnitine hydrochloride

    China National - YD Standards

    GB/T 23891.3-2009 Plain bearings - Hydrodynamic plain thrust pad bearings under steady-state conditions - Part 3: Guide values for the calculation of thrust pad bearings

    China National - YD Standards

    GB/T 23835.11-2009 Lithium perchlorate anhydrous - Part 11: Determination of lead content

    China National - YD Standards

    GB/T 23835.7-2009 Lithium perchlorate anhydrous - Part 7: Determination of sulfate content

    China National - YD Standards

    GB/T 23854-2009 Bromochloro-5,5-dimethylhydantoin

    China National - YD Standards

    GB/T 23835.13-2009 Lithium perchlorate anhydrous - Part 13: Determination of transparency

    China National - YD Standards

    GB/T 23835.3-2009 Lithium perchlorate anhydrous - Part 3: Determination of moisture content

    China National - YD Standards

    GB/T 23834.2-2009 Chemical analysis method for stannous sulfate - Part 2: Determination of insoluble substance in hydrochloric acid - Gravimetric method

    China National - YD Standards

    GB/T 23835.10-2009 Lithium perchlorate anhydrous - Part 10: Determination of iron content

    China National - YD Standards

    GB/T 23835.9-2009 Lithium perchlorate anhydrous - Part 9: Determination of calcium content

    China National - YD Standards

    GB/T 23835.12-2009 Lithium perchlorate anhydrous - Part 12: Determination of total nitrogen content

    China National - YD Standards

    GB/T 23835.1-2009 Lithium perchlorate anhydrous - Part 1: Lithium perchlorate anhydrous

    China National - YD Standards

    GB/T 23856-2009 1,3-Dichloro-5,5-dimethylhydantoin

    China National - YD Standards

    GB/T 23835.5-2009 Lithium perchlorate anhydrous - Part 5: Determination of chloride content

    China National - YD Standards

    GB/T 23835.4-2009 Lithium perchlorate anhydrous - Part 4: Determination of water insoluble matter content

    China National - YD Standards

    GB/T 23849-2009 1,3-Dibromo-5,5-dimethylhydantoin

    China National - YD Standards

    GB/T 537-2009 Disodium tetraborate decahydrate for industrial use

    China National - YD Standards

    GB/T 23835.2-2009 Lithium perchlorate anhydrous - Part 2: Determination of lithium perchlorate anhydrous content

    China National - YD Standards

    GB/T 23835.8-2009 Lithium perchlorate anhydrous - Part 8: Determination of potassium and sodium content

    China National - YD Standards

    GB/T 23835.6-2009 Lithium perchlorate anhydrous - Part 6: Determination of chlorate content

    China National - YD Standards

    GB/T 23825-2009 Wood-based panels - Determination of formaldehyde release - Gas analysis method

    China National - YD Standards

    GB/T 23742-2009 Animal feeding stuffs - Determination of ash insoluble in hydrochloric acid

    China National - YD Standards

    GB/T 13465.6-2009 Test method for hydraulic pressure bursting of impermeable graphite pipe

    China National - YD Standards

    GB/T 23711.6-2009 Hydrostatic pressure test method for pressure vessels lined with fluoroplastics

    China National - YD Standards

    GB/T 13465.5-2009 Test method of contraction of the impermeable graphite phenolic aldehyde agglomerant

    China National - YD Standards

    GB/T 23296.24-2009 Food contact materials - Polymer - Determination of 1,2-dihydroxybenzene,1,3-dihydroxybenzene,1,4-dihydroxybenzene,4,4'-dihydroxybenzophenone and 4,4'dihydroxybiphenyl in food simulants - High performance liquid chromatography

    China National - YD Standards

    GB/T 23499-2009 Determination of hydrogen peroxide residues in foods

    China National - YD Standards

    GB/T 23658-2009 Elastomeric seals - Material requirement for seals used in pipes and fittings carrying gaseous fuels and hydricarbon fluid

    China National - YD Standards

    GB/T 10179-2009 Servo-hydraulic test equipment for generating vibration - Method of describing characteristics

    China National - YD Standards

    GB/T 23671-2009 2-Hydroxy-6-naphthalene carboxylic acid

    China National - YD Standards

    GB/T 23656-2009 Rubber compounding ingredients - Silica,precipitated,hydrated - Determination of CTAB surface area

    China National - YD Standards

    GB/T 22799-2009 Test method for hydroscopicity of towel product

    China National - YD Standards

    JTS 182-1-2009 Design code for hydrojunction general layout of canalization works

    China Highway & Transportation - YD Standards

    GB/T 23606-2009 Copper-hydrogen embrittlement test method

    China National - YD Standards

    GB/T 11066.9-2009 Methods for chemical analysis of gold - Determination of arsenic and tin contents - Hydride generation-atomic fluorescence spectrometry

    China National - YD Standards

    GB/T 6609.2-2009 Chemical analysis methods and determination of physical performance of aluminium hydroxide - Part 2: Determination of loss of mass at 300℃ and 1000℃

    China National - YD Standards

    GB/T 23572-2009 Hydraulic system general specifications for metel-cutting machine tools

    China National - YD Standards

    GB/T 23377-2009 Determination of dehydroacetic acid in food - High performance liquid chromatography

    China National - YD Standards

    GB/T 23383-2009 Determination of sodium hydrogen diacetate in foods - High performance liquid chromatography method

    China National - YD Standards

    GB/T 3253.4-2009 Methods for chemical analysis of antimony and antimony trioxide - Determination of sulfur content in antimony - Burning and sodium hydroxide titration method

    China National - YD Standards

    GB/T 9166-2009 Four-column hydraulic press - Testing of the accuracy

    China National - YD Standards

    GB/T 23296.16-2009 Food contact materials - Polymer - Determination of 2,2-bis(4-hydroxyphenyl)propane(bisphenol A )in food simulants - High performance liquid chromatography

    China National - YD Standards

    GB/T 23296.7-2009 Food contact materials - Determination of epichlorohydrin in plastics - High performance liquid chromatography

    China National - YD Standards

    GB/T 23296.21-2009 Food contact materials - Polymer - Determination of maleic acid and maleic anhydride in food simulants - High performance liquid chromatography

    China National - YD Standards

    GB/T 23296.26-2009 Food contact materials - Polymer - Determination of formaldehyde and hexamethylenetetramine in food simulants - Spectrophotometry

    China National - YD Standards

    GB/T 23296.4-2009 Food contact materials - Polymer - Determination of 1-octene and tetrahydrofuran in food simulants - Gas chromatography

    China National - YD Standards

    GB/T 7185-2009 Hydraulic steering gear of inland vessel

    China National - YD Standards

    HJ 464-2009 Technical guidelines for environmental protection in water conservancy and hydropower for check and accept of completed construction project

    China Environmental Protection Industry - YD Standards

    GB/T 23362.5-2009 Methods for chemical analysis of high purity indium hydroxide - Part 5: Determination of chlorine content - Mercuric sulfocyanide spectrophotometry

    China National - YD Standards

    GB/T 23362.2-2009 Methods for chemical analysis of high purity indium hydroxide - Part 2: Determination of tin content - Phenylfluorone spectrophotometry

    China National - YD Standards

    GB/T 23361-2009 High purity indium hydroxide

    China National - YD Standards

    GB/T 19981.3-2009 Textiles - Professional care, drycleaning and wetcleaning of fabrics and garments - Part 3: Procedure for testing performance when cleaning and finishing using hydrocarbon solvent

    China National - YD Standards

    GB/T 23362.6-2009 Methods for chemical analysis of high purity indium hydroxide - Part 6: Determination of the loss on ignition - Gravimetric analysis

    China National - YD Standards

    GB/T 23362.3-2009 Methods for chemical analysis of high purity indium hydroxide - Part 3: Determination of antimony content - Atomic fluorescence spectrometry

    China National - YD Standards

    GB/T 23362.4-2009 Methods for chemical analysis of high purity indium hydroxide - Part 4: Determination of aluminum, iron, copper, zinc, cadmium, lead and thallium content - Inductively coupled plasma mass spectrometry

    China National - YD Standards

    GB/T 23362.1-2009 Methods for chemical analysis of high purity indium hydroxide - Part 1: Determination of arsenic content - Atomic fluorescence spectrometry

    China National - YD Standards

    GB/T 17289-2009 Liquid hydrocarbons - Volumetric measurement by turbine meter systems

    China National - YD Standards

    GB/T 23373-2009 Determination of butylated hydroxyl anisole(BHA)、dibutylated hydroxyl toluene(BHT)and tertiary butyl hydroquinone(TBHQ) in foods

    China National - YD Standards

    GB/T 17288-2009 Liquid hydrocarbons - Volumetric measurement by displacement meter systems

    China National - YD Standards

    GB/T 23256-2009 Petroleum liquids - Automatic pipeline sampling - Statistical assessment of performance of automatic samplers determining the water content in hydrocarbon liquids

    China National - YD Standards

    GB/T 23253-2009 Hydraulic fluid power - Electrically controlled hydraulic pumps - Test methods to determine performance characteristics

    China National - YD Standards

    GB/T 23299-2009 Ships and marine technology - Hydrostatic release units

    China National - YD Standards

    GB/T 13853-2009 General specification for hydraulic pumps and motors of ship

    China National - YD Standards

    GB/T 13852-2009 General specification of hydraulic control valves for ship

    China National - YD Standards

    YD 5178-2009 Volume Drawing of Manhole and Handhole for Communication Conduit Engineering

    China Telecommunication - YD Standards

    YD/T 5176-2009 Acceptance Specification for Local Optical Fiber Cable Network of Wavelength Division Multiplexing System

    China Telecommunication - YD Standards

    YD/T 5163-2009 Specification of Engineering Design for Call Center

    China Telecommunication - YD Standards

    YD/T 5179-2009 Acceptance Specification of Network Management System for Optical Fiber Cable Telecommunication Project

    China Telecommunication - YD Standards

    YD/T 5168-2009 Specification of Engineering Design for Mobile WAP Gateway

    China Telecommunication - YD Standards


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