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GB standards are the China national standards; Prefix code GB are Mandatory standards, GB/T are Recommended standards; All products or service must be compliance with GB standards; If you want to export products or services to huge Chinese market, need ensure they are meet the requirements of GB china national standards; We provide Chinese GB standards and English version GB standards Lookup, Translate, Download, Imported Commodity GB standards Testing and Compliance review services. |
| Standard Code | Standard Title | Standard Class | Order |
|---|---|---|---|
| GB/T 26600-2024 |
Microscopes - Immersion liquids for optical microsCopy 显微镜-光学显微术用浸液 |
China National Standards Copy |
 English PDF |
| GB/T 43861-2024 |
General Rules for Microwave Plasma Atomic Emission SpectrosCopy Methods 微波等离子体原子发射光谱方法通则 |
China National Standards Copy |
English PDF |
| GB/T 43883-2024 |
Microbeam analysis - analytical electron microsCopy - determination method of the number density of nanoparticles in metals 微束分析-分析电子显微术-金属中纳米颗粒数密度的测定方法 |
China National Standards Copy |
English PDF |
| GB/T 13777-2024 |
Test Method for Maturity of Cotton Fiber-MicrosCopy 棉纤维成熟度试验方法-显微镜法 |
China National Standards Copy |
English PDF |
| GB/T 43807-2024 |
Copyright asset management system-Requirements 版权资产管理体系-要求 |
China National Standards Copy |
English PDF |
| GB/T 28893-2024 |
Surface chemical analysis-Auger electron spectrosCopy and X-ray photoelectron spectroscopy-methods for determining peak intensity and information required for reporting results 表面化学分析-俄歇电子能谱和X射线光电子能谱-测定峰强度的方法和报告结果所需的信息 |
China National Standards Copy |
English PDF |
| GB/T 28892-2024 |
Surface chemical analysis-X-ray photoelectron spectrosCopy-selected instrument performance parameter statements 表面化学分析-X射线光电子能谱-选择仪器性能参数的表述 |
China National Standards Copy |
English PDF |
| GB/T 43748-2024 |
Microbeam analysis-Transmission electron microsCopy-Method for determination of thickness of functional thin film layers in integrated circuit chips 微束分析-透射电子显微术-集成电路芯片中功能薄膜层厚度的测定方法 |
China National Standards Copy |
English PDF |
| GB/T 43749-2024 |
Microbeam analysis - Electron probe microsCopy - Quantitative analysis of anhydrous carbonate minerals Method 微束分析-电子探针显微分析-无水碳酸盐矿物的定量分析方法 |
China National Standards Copy |
English PDF |
| GB/T 43661-2024 |
Surface chemical analysis - Scanning probe microsCopy - Definition and calibration of spatial resolution of electrical scanning probe microscopes (ESPM, such as SSRM and SCM) for two-dimensional imaging of dopants, etc. 表面化学分析-扫描探针显微术-用于二维掺杂物成像等用途的电扫描探针显微镜（ESPM，如SSRM和SCM）空间分辨的定义和校准 |
China National Standards Copy |
English PDF |
| GB/T 19247.6-2024 |
Quality control methods for magnetic resonance imaging/spectrosCopy 印制板组装-第6部分:球栅阵列（BGA）和盘栅阵列（LGA）焊点空洞的评估要求及测试方法 |
China National Standards Copy |
English PDF |
| GB/T 4937.35-2024 |
Semiconductor devices - Mechanical and climatic test methods - Part 35: Acoustic microsCopy of plastic encapsulated electronic components 半导体器件-机械和气候试验方法-第35部分：塑封电子元器件的声学显微镜检查 |
China National Standards Copy |
English PDF |
| GB/T 43610-2023 |
Microbeam analysis Analytical electron microsCopy Transmission electron microscopy method for determination of apparent growth direction of linear crystals 微束分析 分析电子显微术 线状晶体表观生长方向的透射电子显微术测定方法 |
China National Standards Copy |
English PDF |
| GB/T 43598-2023 |
Nanotechnology Determination of oxygen content and carbon-to-oxygen ratio of graphene powder X-ray photoelectron spectrosCopy 纳米技术 石墨烯粉体氧含量和碳氧比的测定 X射线光电子能谱法 |
China National Standards Copy |
English PDF |
| GB/T 19502-2023 |
Surface chemical analysis—General principles for glow discharge emission spectrosCopy methods 表面化学分析 辉光放电发射光谱方法通则 |
China National Standards Copy |
English PDF |
| GB/T 43341-2023 |
Nanotechnology Defect concentration measurement in graphene Raman spectrosCopy 纳米技术 石墨烯的缺陷浓度测量 拉曼光谱法 |
China National Standards Copy |
English PDF |
| GB/T 19267.1-2023 |
Forensic Science Physical and Chemical Examination of Trace Evidence Part 1: Infrared Absorption SpectrosCopy 法庭科学 微量物证的理化检验 第1部分：红外吸收光谱法 |
China National Standards Copy |
English PDF |
| GB/T 43314-2023 |
Silicone rubber, determination of phenyl and vinyl content, proton nuclear magnetic resonance spectrosCopy 硅橡胶 苯基和乙烯基含量的测定 核磁共振氢谱法 |
China National Standards Copy |
English PDF |
| GB/T 43297-2023 |
Plastics—Methods for evaluating photoaging properties of polymers—Fourier transform infrared spectrosCopy and UV/visible spectroscopy 塑料 聚合物光老化性能评估方法 傅里叶红外光谱和紫外/可见光谱法 |
China National Standards Copy |
English PDF |
| GB/T 43196-2023 |
Nanotechnology Scanning electron microsCopy to measure nanoparticle size and shape distribution 纳米技术 扫描电子显微术测量纳米颗粒粒度及形状分布 |
China National Standards Copy |
English PDF |
| GB/T 43088-2023 |
Microbeam analysis Analytical electron microsCopy Method for determination of dislocation density in metallic thin crystal specimens 微束分析 分析电子显微术 金属薄晶体试样中位错密度的测定方法 |
China National Standards Copy |
English PDF |
| GB/T 43087-2023 |
Microbeam analysis Analytical electron microsCopy Method for determining interface position in cross-sectional images of layered materials 微束分析 分析电子显微术 层状材料截面像中界面位置的确定方法 |
China National Standards Copy |
English PDF |
| GB/T 39482.1-2023 |
Electrochemical Impedance SpectrosCopy (EIS) of Painted and Unpainted Metal Specimens Part 1: Terms and Definitions 涂漆和未涂漆金属试样的电化学阻抗谱（EIS） 第1部分：术语和定义 |
China National Standards Copy |
English PDF |
| GB/T 35306-2023 |
Determination of carbon and oxygen content in silicon single crystal Low-temperature Fourier transform infrared spectrosCopy 硅单晶中碳、氧含量的测定 低温傅立叶变换红外光谱法 |
China National Standards Copy |
English PDF |
| GB/T 27668-2023 |
Microscope Optical MicrosCopy Terminology 显微镜 光学显微术术语 |
China National Standards Copy |
English PDF |
| GB/T 42659-2023 |
Surface chemical analysis Scanning probe microsCopy Determination of geometric quantities using scanning probe microscopy: Calibration of measurement systems 表面化学分析 扫描探针显微术 采用扫描探针显微镜测定几何量：测量系统校准 |
China National Standards Copy |
English PDF |
| GB/T 42433-2023 |
Jewelry jade identification infrared spectrosCopy 珠宝玉石鉴定 红外光谱法 |
China National Standards Copy |
English PDF |
| GB/T 42645-2023 |
Identification of Jewelry and Jade-Ultraviolet-Visible Absorption SpectrosCopy 珠宝玉石鉴定 紫外-可见吸收光谱法 |
China National Standards Copy |
English PDF |
| GB/Z 42520-2023 |
Laboratory Manual for X-ray Fluorescence SpectrosCopy Analysis of Iron Ore 铁矿石X射线荧光光谱分析实验室操作指南 |
China National Standards Copy |
English PDF |
| GB/T 42543-2023 |
Surface Chemical Analysis Scanning Probe MicrosCopy Determination of the Normal Elastic Constant of a Cantilever Beam 表面化学分析 扫描探针显微术 悬臂梁法向弹性常数的测定 |
China National Standards Copy |
English PDF |
| GB/T 22461.2-2023 |
Surface chemical analysis - Vocabulary Part 2: Scanning probe microsCopy terminology 表面化学分析 词汇 第2部分： 扫描探针显微术术语 |
China National Standards Copy |
English PDF |
| GB/T 11060.12-2023 |
Natural gas - Determination of sulfur compounds - Part 12: Determination of hydrogen sulfide content by laser absorption spectrosCopy 天然气 含硫化合物的测定 第12部分：用激光吸收光谱法测定硫化氢含量 |
China National Standards Copy |
English PDF |
| GB/T 42360-2023 |
Surface Chemical Analysis Total Reflection X-ray Fluorescence SpectrosCopy of Water 表面化学分析 水的全反射X射线荧光光谱分析 |
China National Standards Copy |
English PDF |
| GB/T 41442-2022 |
Test method for cashmere net cashmere yield near infrared spectrosCopy 山羊绒净绒率试验方法 近红外光谱法 |
China National Standards Copy |
English PDF |
| GB/T 16145-2022 |
Gamma SpectrosCopy Analysis Method of Radionuclides in Environmental and Biological Samples 环境及生物样品中放射性核素的γ能谱分析方法 |
China National Standards Copy |
English PDF |
| GB/T 42208-2022 |
Nanotechnology - Size measurement of nanoparticles in multiphase systems - Transmission electron microsCopy imaging 纳米技术 多相体系中纳米颗粒粒径测量 透射电镜图像法 |
China National Standards Copy |
English PDF |
| GB/T 42256-2022 |
Analytical Method of Ruthenium-106 in Seawater Gamma Energy SpectrosCopy 海水中钌-106的分析方法 γ能谱法 |
China National Standards Copy |
English PDF |
| GB 9706.271-2022 |
Medical electrical equipment - Part 2-71: Particular requirements for basic safety and essential performance of functional near-infrared spectrosCopy (NIRS) equipment 医用电气设备 第2-71部分：功能性近红外光谱(NIRS)设备的基本安全和基本性能专用要求 |
China National Standards Copy |
English PDF |
| GB/T 40905.2-2022 |
Textiles - Quantitative analysis of cashmere, sheep wool, other special animal fibers and their mixtures - Part 2: Scanning electron microsCopy 纺织品 山羊绒、绵羊毛、其他特种动物纤维及其混合物定量分析 第2部分：扫描电镜法 |
China National Standards Copy |
English PDF |
| GB/T 30834-2022 |
Evaluation and statistics of non-metallic inclusions in steel - Scanning electron microsCopy 钢中非金属夹杂物的评定和统计 扫描电镜法 |
China National Standards Copy |
English PDF |
| GB/T 40467-2021 |
Livestock and poultry meat quality testing—Guideline for near-infrared spectrosCopy method 畜禽肉品质检测 近红外法通则 |
China National Standards Copy |
English PDF |
| GB/T 40300-2021 |
Microbeam analysis—Analytical electron microsCopy—Vocabulary 微束分析 分析电子显微学 术语 |
China National Standards Copy |
English PDF |
| GB/T 16840.3-2021 |
Technical determination methods for electrical fire evidence—Part 3: Auger electron spectrosCopy component analytic method 电气火灾痕迹物证技术鉴定方法 第3部分：俄歇分析法 |
China National Standards Copy |
English PDF |
| GB/T 40275-2021 |
Textiles—Quantitative analysis of bicomponent fiber—Melting microsCopy method 纺织品 双组分复合纤维定量分析方法 熔融显微镜法 |
China National Standards Copy |
English PDF |
| GB/T 40196-2021 |
Method for analysing CCA and ACQ in preservative-treated wood and wood preservatives by X-ray fluorescence spectrosCopy X射线荧光能谱仪测定防腐木材和木材防腐剂中CCA和ACQ的方法 |
China National Standards Copy |
English PDF |
| GB/T 40128-2021 |
Surface chemical analysis—Atomic force microsCopy—Test method for thickness of the two-dimensional layered molybdenum disulfide nanosheets 表面化学分析 原子力显微术 二硫化钼片层材料厚度测量方法 |
China National Standards Copy |
English PDF |
| GB/T 40114-2021 |
Jewellery—Determination of precious metal content—Difference method using inductively coupled plasma optical emission spectrosCopy 首饰 贵金属含量的测定 ICP差减法 |
China National Standards Copy |
English PDF |
| GB/T 40110-2021 |
Surface chemical analysis - Determination of surface elemental contamination on silicon wafers by total-reflection X-ray fluorescence (TXRF) spectrosCopy 表面化学分析 全反射X射线荧光光谱法（TXRF）测定硅片表面元素污染 |
China National Standards Copy |
English PDF |
| GB/T 40069-2021 |
Nanotechnologies—Measurement of the number of layers of graphene-related two-dimensional (2D) materials—Raman spectrosCopy method 纳米技术 石墨烯相关二维材料的层数测量 拉曼光谱法 |
China National Standards Copy |
English PDF |
| GB/T 40066-2021 |
Nanotechnologies—Thickness measurement of graphene oxide—Atomic Force MicrosCopy (AFM) 纳米技术 氧化石墨烯厚度测量 原子力显微镜法 |
China National Standards Copy |
English PDF |
| GB/T 41073-2021 |
Surface chemical analysis -- Electron spectroscopies -- Minimum reporting requirements for peak fitting in X-ray photoelectron spectrosCopy 表面化学分析 电子能谱 X射线光电子能谱峰拟合报告的基本要求 |
China National Standards Copy |
English PDF |
| GB/T 41064-2021 |
Surface chemical analysis—Depth profiling—Method for sputter rate determination in X-ray photoelectron spectrosCopy, Auger electron spectroscopy and secondary-ion mass spectrometry sputter depth profiling using single and multi-layer thin films 表面化学分析 深度剖析 用单层和多层薄膜测定X射线光电子能谱、俄歇电子能谱和二次离子质谱中深度剖析溅射速率的方法 |
China National Standards Copy |
English PDF |
| GB/T 24370-2021 |
Nanotechnologies—Characterization of cadmium chalcogenide colloidal quantum dot—UV-Vis absorption spectrosCopy 纳米技术 镉硫族化物胶体量子点表征 紫外-可见吸收光谱法 |
China National Standards Copy |
English PDF |
| GB/T 41072-2021 |
Surface chemical analysis -- Electron spectroscopies -- Guidelines for ultraviolet photoelectron spectrosCopy analysis 表面化学分析 电子能谱 紫外光电子能谱分析指南 |
China National Standards Copy |
English PDF |
| GB/T 40953-2021 |
Digital rights management -- Encryption and encapsulation of Copyright resources 数字版权保护 版权资源加密与封装 |
China National Standards Copy |
English PDF |
| GB/T 40985-2021 |
Digital rights management -- Identification and description of Copyright resources 数字版权保护 版权资源标识与描述 |
China National Standards Copy |
English PDF |
| GB/T 40905.1-2021 |
Textiles -- Quantitative analysis of cashmere, wool, other specialty animal fibres and their blends -- Part 1: Light microsCopy method 纺织品 山羊绒、绵羊毛、其他特种动物纤维及其混合物定量分析 第1部分：光学显微镜法 |
China National Standards Copy |
English PDF |
| GB 9706.254-2020 |
Medical electrical equipment—Part 2-54: Particular requirements for the basic safety and essential performance of X-ray equipment for radiography and radiosCopy 医用电气设备 第2-54部分：X射线摄影和透视设备的基本安全和基本性能专用要求 |
China National Standards Copy |
English PDF |
| GB/T 39540-2020 |
Fast determination of shale gas composition—Laser Raman spectrosCopy 页岩气组分快速分析 激光拉曼光谱法 |
China National Standards Copy |
English PDF |
| GB/T 39114-2020 |
Nanotechnologies—Characterization of single-wall carbon nanotubes using ultraviolet-visible-near infrared (UV-Vis-NIR) absorption spectrosCopy 纳米技术 单壁碳纳米管的紫外/可见/近红外吸收光谱表征方法 |
China National Standards Copy |
English PDF |
| GB/T 24988-2020 |
Copy paper 复印纸 |
China National Standards Copy |
English PDF |
| GB/T 27788-2020 |
Microbeam analysis—Scanning electron microsCopy—Guidelines for calibrating image magnification 微束分析 扫描电镜 图像放大倍率校准导则 |
China National Standards Copy |
English PDF |
| GB/T 38569-2020 |
Performance evaluation of industrial microorganism strain—Raman spectrosCopy 工业微生物菌株质量评价 拉曼光谱法 |
China National Standards Copy |
English PDF |
| GB/T 39356-2020 |
Determination of total nickel,total cobalt,total selenium, total vanadium, total stibium,total thallium in fertilizers — Inductively coupled plasma optical emission spectrosCopy 肥料中总镍、总钴、总硒、总钒、总锑、总铊含量的测定 电感耦合等离子体发射光谱法 |
China National Standards Copy |
English PDF |
| GB/T 39482.3-2020 |
Electrochemical impedance spectrosCopy (EIS) on coated and uncoated metallic specimens—Part 3: Processing and analysis of data from dummy cells 涂漆和未涂漆金属试样的电化学阻抗谱（EIS） 第3部分：从模拟电解池获得数据的处理和分析 |
China National Standards Copy |
English PDF |
| GB/T 38257-2019 |
Laser-induced breakdown spectrosCopy 激光诱导击穿光谱法 |
China National Standards Copy |
English PDF |
| GB/T 38416-2019 |
Fur-Identification—Method of microsCopy 毛皮 材质鉴别 显微镜法 |
China National Standards Copy |
English PDF |
| GB/T 38408-2019 |
Leather—Identification—Method of microsCopy 皮革 材质鉴别 显微镜法 |
China National Standards Copy |
English PDF |
| GB/T 38386-2019 |
Gas analysis—Determination of oxynitride in gases—The method of Cavity Ring-Down SpectrosCopy 气体分析 气体中氮氧化物的测定 光腔衰荡光谱法 |
China National Standards Copy |
English PDF |
| GB/T 38257-2019 |
Laser-induced breakdown spectrosCopy 激光诱导击穿光谱法 |
China National Standards Copy |
English PDF |
| GB/T 14698-2017 |
Identification method of feed material by microsCopy 饲料原料显微镜检查方法《第1号修改单》 |
China National Standards Copy |
English PDF |
| GB/T 21203-2018 |
Information technology－Office equipment－Method for measuring digital Copying productivity 信息技术-办公设备-数字式复印机复印生产力的测量方法 |
China National Standards Copy |
English PDF |
| GB/T 37186-2018 |
Gas analysis—Determination of sulfur dioxide and nitrogen oxides—Ultraviolet differential optical absorption spectrosCopy 气体分析-二氧化硫和氮氧化物的测定-紫外差分吸收光谱分析法 |
China National Standards Copy |
English PDF |
| GBZ/T 316.3-2018 |
Determination of lead in blood - Part 3: Atomic fluorescence spectrosCopy 血中铅的测定-第3部分：原子荧光光谱法 |
China National Standards Copy |
English PDF |
| GB/T 36969-2018 |
Nanotechnology—Method for the measurement of the nanofilm-thickness by atomic force microsCopy 纳米技术-原子力显微术测定纳米薄膜厚度的方法 |
China National Standards Copy |
English PDF |
| GB/T 37225-2018 |
Nanotechnology—Characterization of multiwall carbon nanotube in aqueous solution—Extinction spectrosCopy 纳米技术-水溶液中多壁碳纳米管表征-消光光谱法 |
China National Standards Copy |
English PDF |
| GB/T 37131-2018 |
Nanotechnologies—Test method of semiconductor nanopowder using UV-Vis diffuse reflectance spectrosCopy 纳米技术-半导体纳米粉体材料紫外-可见漫反射光谱的测试方法 |
China National Standards Copy |
English PDF |
| GB/T 35098-2018 |
Microbeam analysis—Transmission electron microsCopy—Morphological identification method of plant viruses by transmission electron microscopy 微束分析 透射电子显微术 植物病毒形态学的透射电子显微镜鉴定方法 |
China National Standards Copy |
English PDF |
| GB/T 35099-2018 |
Microbeam analysis—Scanning electron microsCopy with energy dispersive X-ray spectrometry—Morphology and element analysis of single fine particles in ambient air 微束分析 扫描电镜-能谱法 大气细粒子单颗粒形貌与元素分析 |
China National Standards Copy |
English PDF |
| GB/T 35097-2018 |
Microbeam analysis—Scanning electron microsCopy with energy dispersive X-ray spectrosmetry—Determination of numberical concentration of inorganic fibrous particles in ambient air 微束分析 扫描电镜-能谱法 环境空气中石棉等无机纤维状颗粒计数浓度的测定 |
China National Standards Copy |
English PDF |
| GB/T 36504-2018 |
Guide for the analysis of the printed circuit board surface contamination—Auger electron spectrosCopy 印刷线路板表面污染物分析 俄歇电子能谱 |
China National Standards Copy |
English PDF |
| GB/T 36538-2018 |
Remanufactured/Reconditioned electrostatic Copying(including multi-function) devices 再制造/再生静电复印（包括多功能）设备 |
China National Standards Copy |
English PDF |
| GB/T 36533-2018 |
Determination of the chemical state of micro-iron in silicate—Auger electron spectrosCopy 硅酸盐中微颗粒铁的化学态测定 俄歇电子能谱法 |
China National Standards Copy |
English PDF |
| GB/T 36691-2018 |
Methyl vinyl silicone rubber—Determination of vinyl content—Near infrared spectrosCopy 甲基乙烯基硅橡胶 乙烯基含量的测定 近红外法 |
China National Standards Copy |
English PDF |
| GB/T 17712-2018 |
Duplicators and Copying machines—Symbols 速印机和复印机 图形符号 |
China National Standards Copy |
English PDF |
| GB/T 36677-2018 |
Determination of fine particle emission rates from Copying (including multi-function) devices 复印（包括多功能）设备细颗粒物排放量的测定方法 |
China National Standards Copy |
English PDF |
| GB/T 21202-2018 |
Digital multi-function monochrome electrostatic Copying(printing) devices 数字式多功能黑白静电复印（打印）设备 |
China National Standards Copy |
English PDF |
| GB/T 35927-2018 |
Standard practice for identification of polymer layers or inclusions by fourier transform infrared microspectrosCopy 傅里叶变换显微红外光谱法识别聚合物层或夹杂物的标准规程 |
China National Standards Copy |
English PDF |
| GB/T 36052-2018 |
Surface chemical analysis—Data transfer format for scanning probe microsCopy 表面化学分析 扫描探针显微镜数据传送格式 |
China National Standards Copy |
English PDF |
| GB/T 36081-2018 |
Nanotechnology—Characterization of CdSe quantum dot nanocrystal—Fluorescence spectrosCopy 纳米技术 硒化镉量子点纳米晶体表征 荧光发射光谱法 |
China National Standards Copy |
English PDF |
| GB/T 36401-2018 |
Surface chemical analysis—X-ray photoelectron spectrosCopy—Reporting of results of thin-film analysis 表面化学分析 X射线光电子能谱 薄膜分析结果的报告 |
China National Standards Copy |
English PDF |
| GB/T 34831-2017 |
Nanotechnologies—Electron microsCopy imaging of noble metal nanoparticles—High angle annular dark field imaging method 纳米技术 贵金属纳米颗粒电子显微镜成像 高角环形暗场法 |
China National Standards Copy |
English PDF |
| GB/T 34690.6-2017 |
Graphic technology—Digitalized process control for offset printing—Part 6: Digital hard Copy proofing 印刷技术 胶印数字化过程控制 第6部分：数字硬打样 |
China National Standards Copy |
English PDF |
| GB/T 34764-2017 |
Determination of copper,iron,zinc,manganese,boron and molybdenum content in fertilizers—Inductively coupled plasma optical emission spectrosCopy 肥料中铜、铁、锰、锌、硼、钼含量的测定 等离子体发射光谱法 |
China National Standards Copy |
English PDF |
| GB/T 34899-2017 |
Micro-electromechanical system technology—Measuring method of microstructure surface stress based on Raman spectrosCopy 微机电系统（MEMS）技术 基于拉曼光谱法的微结构表面应力测试方法 |
China National Standards Copy |
English PDF |
| GB/T 16797-2017 |
Carbonless Copy paper 无碳复写纸 |
China National Standards Copy |
English PDF |
| GB/T 34331-2017 |
Test method of Cucumber green mottle mosaic virus by transmission electron microsCopy 黄瓜绿斑驳花叶病毒透射电子显微镜检测方法 |
China National Standards Copy |
English PDF |
| GB/T 34406-2017 |
Identification of pearl powder—Near infrared spectrosCopy method 珍珠粉鉴别方法 近红外光谱法 |
China National Standards Copy |
English PDF |
| GB/T 34415-2017 |
Cavity ring-down spectrosCopy system for measurement of atmospheric carbon dioxide 大气二氧化碳(CO2)光腔衰荡光谱观测系统 |
China National Standards Copy |
English PDF |
| GB/T 14698-2017 |
Identification method of feed material by microsCopy 饲料原料显微镜检查方法 |
China National Standards Copy |
English PDF |
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