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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 1526-1989 |
Information processing--Documentation symbols and conventionsfor data， program and sYStem flowcharts， program network charts and system resources charts 信息处理 数据流程图、程序流程图、系统流程图、程序网络图和系统资源图的文件编制符号及约定 |
China National Standards YS |
 English PDF |
| GB/T 223.66-1989 |
Methods for chemical analYSis of iron，steel and alloy--The thiocyanate chlorpromazine hydrochloride--chloro form extraction photometric method for the determination of tungsten content 钢铁及合金化学分析方法 硫氰酸盐-盐酸氯丙嗪-三氯甲烷萃取光度法测定钨量 |
China National Standards YS |
English PDF |
| GB/T 223.46-1989 |
Methods for chemical analYSis of iron，steel and alloy--The flame atomic absorption spectrometric method for the determination of magnesium content 钢铁及合金化学分析方法 火焰原子吸收光谱法测定镁量 |
China National Standards YS |
English PDF |
| GB/T 223.37-1989 |
Methods for chemical analYSis of iron，steel and alloy--The indophenol blue photometric method for the determination of nitrogen content after distillation separation 钢铁及合金化学分析方法 蒸馏分离-靛酚蓝光度法测定氮量 |
China National Standards YS |
English PDF |
| GB/T 223.28-1989 |
Methods for chemical analYSis of iron，steel and alloy--The α-benzoinoxime gravimetric method for the determination of molybdenum content 钢铁及合金化学分析方法 α-安息香肟重量法测定钼量 |
China National Standards YS |
English PDF |
| GB/T 223.19-1989 |
Methods for chemical analYSis of iron，steel and alloy--The neocuproine-chloroform extraction photometric method for the determination of copper content 钢铁及合金化学分析方法 新亚铜灵-三氯甲烷萃取光度法测定铜量 |
China National Standards YS |
English PDF |
| GB/T 223.17-1989 |
Methods for chemical analYSis of iron，steel and alloy--The diantipyryl methane photometric method for the determination of titanium content 钢铁及合金化学分析方法 二安替比林甲烷光度法测定钛量 |
China National Standards YS |
English PDF |
| GB/T 11114-1989 |
Method for detecting dislocationsof synthetic quartz crYStal using X-ray topographic technique 人造石英晶体位错的X 射线形貌检测方法 |
China National Standards YS |
English PDF |
| GB/T 11113-1989 |
Analytical method for impurities in the synthetic quartz crYStal 人造石英晶体中杂质的分析方法 |
China National Standards YS |
English PDF |
| GB/T 2297-1989 |
Terminology for solar photovoltaic energy sYStem 太阳光伏能源系统术语 |
China National Standards YS |
English PDF |
| GB/T 11312-1989 |
Test methods for SAW properties of piezoelectric ceramics and crYStals 压电陶瓷材料和压电晶体声表面波性能测试方法 |
China National Standards YS |
English PDF |
| GB/T 11299.9-1989 |
Methods of measurement for radio equipment used in satellite earth stations--Part 2:Measurements for sub-sYStems--Section seven:Frequency demodulators--Section eight:Frequency demodulators 卫星通信地球站无线电设备测量方法 第二部分:分系统测量 第七节:频率调制器 第八节:频率解调器 |
China National Standards YS |
English PDF |
| GB/T 11299.8-1989 |
Methods of measuremant for radio equipment used in satellite earth stations--Part 2:Measurements for sub-sYStems--Section four:Up and down converters 卫星通信地球站无线电设备测量方法 第二部分:分系统测量 第四节:上变频器和下变频器 |
China National Standards YS |
English PDF |
| GB/T 11299.7-1989 |
Methods of measurement for radio equipment used in satellite earth stations--Part 2:Sub-sYStems measurements--Section three:Low noise amplifier 卫星通信地球站无线电设备测量方法 第二部分:分系统测量 第三节:低噪声放大器 |
China National Standards YS |
English PDF |
| GB/T 11299.6-1989 |
Methods of measurement for radio equipment used in satellite earth stations--Part 2:Measurements for sub-sYStems--Section one:General--Section two:Antenna(inculuding feed network) 卫星通信地球站无线电设备测量方法 第二部分:分系统测量 第一节:概述 第二节:天线(包括馈源网络) |
China National Standards YS |
English PDF |
| GB/T 11299.5-1989 |
Methods of measurement for radio equipment used in satellite earth stations--Part 1:Measurements common to sub-sYStems and combinationsof sub-systems--Section five:Noise temperature measurements 卫星通信地球站无线电设备测量方法 第一部分:分系统和分系统组合通用的测量 第五节:噪声温度测量 |
China National Standards YS |
English PDF |
| GB/T 11299.4-1989 |
Methods of measurement for radio equipment used in satelliteearth stations--Part 1:Measurements common to sub-sYStems and combinations of sub-systems--Section four:Measurements in the base band 卫星通信地球站无线电设备测量方法 第一部分:分系统和分系统组合通用的测量 第四节:基带测量 |
China National Standards YS |
English PDF |
| GB/T 11299.3-1989 |
Methods of measurement for radio equipment used in satellite earth stations--Part 1:Measurements common to sub-sYStems and combinations of sub-systems--Section three:Measurements in the i.f.range 卫星通信地球站无线电设备测量方法 第一部分:分系统和分系统组合通用的测量 第三节:中频范围内的测量 |
China National Standards YS |
English PDF |
| GB/T 11299.2-1989 |
Methods of measurement for radio equipment used in satellite earth stations--Part 1:Measurements common to sub-sYStems and combinations of sub-systems--Section two:Measurements in the r.f.range 卫星通信地球站无线电设备测量方法 第一部分:分系统和分系统组合通用的测量 第二节:射频范围内的测量 |
China National Standards YS |
English PDF |
| GB/T 11299.15-1989 |
Methods of measurement for radio equipment used in satellite earth stations--Part 3:Methods of measurement for combinations of sub-sYStems--Section five:Antenna tracking and control 卫星通信地球站无线电设备测量方法 第三部分:分系统组合测量 第五节:天线跟踪和控制 |
China National Standards YS |
English PDF |
| GB/T 11299.14-1989 |
Methods of measurement for radio equipment used in satellite earth stations--Part 3:Methods of measurements for combination of sub-sYStems--Section four:Measurement for monochrome and colour television transmission 卫星通信地球站无线电设备测量方法 第三部分:分系统组合测量 第四节:黑白和彩色电视传输测量 |
China National Standards YS |
English PDF |
| GB/T 11299.13-1989 |
Methods of measurement for radio equipment used in satellite earth stations--Part 3:Methods of measurements for combinations of sub-sYStems--Section three:Measurements for F.D.M. transmission 卫星通信地球站无线电设备测量方法 第三部分:分系统组合测量 第三节:频分多路复用传输的测量 |
China National Standards YS |
English PDF |
| GB/T 11299.12-1989 |
Methods of measurement for radio equipment used insatellite earth stations--Part 3:Methods of measurements for combination of sub-sYStems--Section two:Measurement of the figure of merit(G/T)of the receiving system in the 4GHz to 6GHz range 卫星通信地球站无线电设备测量方法 第三部分:分系统组合测量 第二节:4～6 GHz接收系统品质因数(G/T)测量 |
China National Standards YS |
English PDF |
| GB/T 11299.1-1989 |
Methods of measurement for radio equipment used in satellite earth stations--Part 1:Measurements common to sub-sYStems and combinations of sub-systems--Section one:General 卫星通信地球站无线电设备测量方法 第一部分:分系统和分系统组合通用的测量 第一节 总则 |
China National Standards YS |
English PDF |
| GB/T 11299.11-1989 |
Methods of measurement for radio equipment used in satellite earth stations--Part 3:Methods of measurement for combinations of sub-sYStems--Section one: General 卫星通信地球站无线电设备测量方法 第三部分:分系统组合测量 第一节:概述 |
China National Standards YS |
English PDF |
| GB/T 11299.10-1989 |
Methods of measurement for radio equipment used in satellite earth stations--Part 2:Measurements for sub-sYStems--Section ten:High-power amplifier 卫星通信地球站无线电设备测量方法 第二部分:分系统测量 第十节:高功率放大器 |
China National Standards YS |
English PDF |
| GB/T 11297.7-1989 |
Test method for resistivity and hall coefficient indium antimonide single crYStals 锑化铟单晶电阻率及霍耳系数的测试方法 |
China National Standards YS |
English PDF |
| GB/T 11297.6-1989 |
Standard method for showing andmeasuring dislocation etch pits in indium antimonide single crYStal 锑化铟单晶位错蚀坑的腐蚀显示及测量方法 |
China National Standards YS |
English PDF |
| GB/T 11295-1989 |
Designation for laser crYStal rods 激光晶体棒型号命名方法 |
China National Standards YS |
English PDF |
| GB/T 11222.1-1989 |
Radiochemical analYSis of strontium-90 in ash of biological samples--Extraction chromatography by di-(2-ethylhexyl) phosphate 生物样品灰中锶-90的放射化学分析方法 二-(2-乙基己基)磷酸酯萃取色层法 |
China National Standards YS |
English PDF |
| GB/T 11221-1989 |
Radiochemical analYSis of caesium-137 in ash of biological samples 生物样品灰中铯-137的放射化学分析方法 |
China National Standards YS |
English PDF |
| GB 443-1989 |
Lubricating oils for total loss sYStems L-AN L-AN全损耗系统用油 |
China National Standards YS |
English PDF |
| GB/T 10585-1989 |
Fundamental requirements of excitation sYStems for medium and small synchronous machines 中小型同步电机励磁系统基本技术要求 |
China National Standards YS |
English PDF |
| GB 10494-1989 |
Technical specification for crossing signal equipment in waYSide 铁路区间道口信号设备技术条件 |
China National Standards YS |
English PDF |
| GB/T 3653.1-1988 |
Methods for chemical analYSis of ferroboron--The alkalimetric method for the determination of boron content 硼铁化学分析方法 碱量滴定法测定硼量 |
China National Standards YS |
English PDF |
| GB/T 10267.5-1988 |
Method for analYSis of calcium metal--The determination of nitrogen by distillation--Nessler reagent photometric method 金属钙分析方法 蒸馏-奈斯勒试剂光度法测定氮 |
China National Standards YS |
English PDF |
| GB/T 10267.4-1988 |
Method for analYSis of calcium metal--The determination of aluminium by oxine chloroform extraction photometric method 金属钙分析方法 8-羟基喹啉-三氯甲烷萃取分光光度法测定铝 |
China National Standards YS |
English PDF |
| GB/T 10267.2-1988 |
Method for analYSis of calcium metal--The determination of micro-amounts of silicon by photometric method 金属钙分析方法 微量硅的光度法测定 |
China National Standards YS |
English PDF |
| GB/T 10267.1-1988 |
Method for analYSis of calcium metal--The determination of chlorine content by chloride--Selective electrode 金属钙分析方法 氯离子选择性电极法测定氯 |
China National Standards YS |
English PDF |
| GB/T 10200-1988 |
Helical-scan video cassette sYStem using 19 mm tape (U-matic H format) 19mm螺旋扫描盒式磁带录像系统(U-matic H 格式) |
China National Standards YS |
English PDF |
| GB/T 10122-1988 |
Iron ores (sinter and pellets)--Sampling and sample preparation for phYSical testing 铁矿石(烧结矿、球团矿) 物理试验用试样的取样和制样方法 |
China National Standards YS |
English PDF |
| GB/T 10102-1988 |
Shipbuilding--Shipborne barges， series 3--Ventilation sYStem--Principal mating dimensions 造船 船载驳系列3 通风系统 主要配合尺寸 |
China National Standards YS |
English PDF |
| GB/T 4333.8-1988 |
Methods for chemical analYSisof ferrosilicon--The atomic absorption spectrometric method for the deter-mination of calcium content 硅铁化学分析方法 原子吸收光谱法测定钙量 |
China National Standards YS |
English PDF |
| GB/T 4333.6-1988 |
Methods for chemical analYSis of ferrosilicon--The diphenylcarbazide photometric method for the determination of chromium content 硅铁化学分析方法 二苯基碳酰二肼光度法测定铬量 |
China National Standards YS |
English PDF |
| GB/T 4333.3-1988 |
Methods for chemical analYSisof ferrosilicon--The potassium periodate photometric method for the determination of manganese content 硅铁化学分析方法 高碘酸钾光度法测定锰量 |
China National Standards YS |
English PDF |
| GB/T 4333.2-1988 |
Methods for chemical analYSisof ferrosilicon--The reduced molybdobismuthylphosphoric acid photometric method for the determination of phosphorus content 硅铁化学分析方法 铋磷钼蓝光度法测定磷量 |
China National Standards YS |
English PDF |
| GB/T 3653.6-1988 |
Methods for chemical analYSisof ferroboron--The reduced molybdoantimonylphosphoric acid photometric method for the determination of phosphorus content 硼铁化学分析方法 锑磷钼蓝光度法测定磷量 |
China National Standards YS |
English PDF |
| GB/T 3653.3-1988 |
Methods for chemical analYSis of ferroboron--The perchloric acid dehydration-gravimetric method for the determination of silicon content 硼铁化学分析方法 高氯酸脱水重量法测定硅量 |
China National Standards YS |
English PDF |
| GB/T 9713-1988 |
Information processing--Recording characteristics of instrumentation magnetic tape (includingtelemetry sYStems)--Interchange requirements 信息处理 计测磁带(包括遥测系统)的记录特性 互换要求 |
China National Standards YS |
English PDF |
| GB 9692-1988 |
Hygienic standard for polYStyrene resinused as food packaging material 食品包装用聚苯乙烯树脂卫生标准 |
China National Standards YS |
English PDF |
| GB 9689-1988 |
Hygienic standard for polYStyrene products used as food containers and tablewares 食品包装用聚苯乙烯成型品卫生标准 |
China National Standards YS |
English PDF |
| GB/T 9544-1988 |
Informationprocessing sYStems--Computer graphics--Graphical kernel system (GKS) functional description 信息处理系统 计算机处理图形 图形核心系统 (GKS)的功能描述 |
China National Standards YS |
English PDF |
| GB/T 9409-1988 |
Specifications for colour TV demodulation equipment (1 TV+1 sound program) used in long-haul terres-trial analog radio-relay sYStems 长距离地面模拟微波接力系统 彩色电视解调机 (一路电视一路伴音) 技术条件 |
China National Standards YS |
English PDF |
| GB/T 9408-1988 |
Specifications for colour TV modulation equipment (1 TV+1 sound program) used in long-haul terres-trial analog radio-relay sYStems 长距离地面模拟微波接力系统 彩色电视调制机 (一路电视一路伴音) 技术条件 |
China National Standards YS |
English PDF |
| GB/T 9388-1988 |
Methods of measurement for wireless microphonesYStems 无线传声器系统测量方法 |
China National Standards YS |
English PDF |
| GB 9378-1988 |
Safety requirements for video-audio and pulse equipment of broadcasting television studio sYStem 广播电视演播系统的视音频和脉冲设备安全要求 |
China National Standards YS |
English PDF |
| GB/T 9403-1988 |
The reflection graYScale test chart 反射式灰度级测试图 |
China National Standards YS |
English PDF |
| GB/T 4958.9-1988 |
Methods of measurement for equipment used in terrestrial radio-relay sYStems--Part 2:Mesurements for sub-systems--Section nine--Stand-by channel switching equipment 地面无线电接力系统所用设备的测量方法 第二部分:分系统的测量 第九节 备用通道倒换设备 |
China National Standards YS |
English PDF |
| GB/T 4958.8-1988 |
Methods of measurement for equipment used in terrestrial radio-relay sYStems--Part 2:Measurements for sub-systems--Section eight--Radio receivers 地面无线电接力系统所用设备的测量方法 第二部分:分系统的测量 第八节 接收机 |
China National Standards YS |
English PDF |
| GB/T 4958.7-1988 |
Methods of measurement for equipment used in terrestrial radio-relay sYStems--Part 2:Measurements for sub-systems--Section seven--Radio trsnsmitters 地面无线电接力系统所用设备的测量方法 第二部分:分系统的测量 第七节 发射机 |
China National Standards YS |
English PDF |
| GB/T 4958.6-1988 |
Methods of measurement for equipment used in terrestrial radio-relay sYStems--Part 2:Measurements for sub-systems--Section five--Frequency demodulators 地面无线电接力系统所用设备的测量方法 第二部分:分系统的测量 第五节 频率解调机 |
China National Standards YS |
English PDF |
| GB/T 4958.5-1988 |
Methods of measurement for equipment used in terrestrial radio-relay sYStems--Part 2:Measurements for sub-systems--Section four--Frequency modulators 地面无线电接力系统所用设备的测量方法 第二部分:分系统的测量 第四节 频率调制机 |
China National Standards YS |
English PDF |
| GB/T 4958.4-1988 |
Methods of measurement for equipment used in terrestrial radio-relay sYStems--Part 2:Measurements for sub-systems--Section one--General 地面无线电接力系统所用设备的测量方法 第二部分:分系统的测量 第一节 通则 |
China National Standards YS |
English PDF |
| GB/T 4958.13-1988 |
Methods of measurement for equipment used in terrestrial radio-relay sYStems--Part 3:Simulated systems--Section five--Measurement of mutual inter-ference 地面无线电接力系统所用设备的测量方法 第三部分:仿真系统的测量 第五节 相互干扰的测量 |
China National Standards YS |
English PDF |
| GB/T 4958.12-1988 |
Methods of measurement for equipment used in terrestrial radio-relay sYStems--Part 3:Simulated systems--Section four--Measurementsfor f.d.m. transmission 地面无线电接力系统所用设备的测量方法 第三部分:仿真系统的测量 第四节 频分复用传输的测量 |
China National Standards YS |
English PDF |
| GB/T 4958.11-1988 |
Methods of measurement for aquipment used in terrestrial radio-relay sYStems--Part 3:Simulated systems--Section three--Measurements for mono-chrome and colour television transmission 地面无线电接力系统所用设备的测量方法 第三部分:仿真系统的测量 第三节 黑白和彩色电视传输的测量 |
China National Standards YS |
English PDF |
| GB/T 4958.10-1988 |
Methods of measurement for equipment used in terrestrial radio-relay sYStems--Part 3:Simulated systems--Section one--General 地面无线电接力系统所用设备的测量方法 第三部分:仿真系统的测量 第一节 通则 |
China National Standards YS |
English PDF |
| GB 9136-1988 |
The technical rules about gaseous radioactive waste processing sYStem for light water reactor plants 轻水堆核电厂放射性废气处理系统技术规定 |
China National Standards YS |
English PDF |
| GB 9135-1988 |
The technical rules about radioactive waste processing sYStem for light water reactor plants 轻水堆核电厂放射性废液处理系统技术规定 |
China National Standards YS |
English PDF |
| GB 9134-1988 |
The technical rules about solid radioactive waste processing sYStem for light water reactor plants 轻水堆核电厂放射性固体废物处理系统技术规定 |
China National Standards YS |
English PDF |
| GB/T 9050-1988 |
General specifications for 8GHz band microwave communication equipment used in analogue radio-relay sYStems 模拟微波接力通信系统8 GHz微波通信设备总技术条件 |
China National Standards YS |
English PDF |
| GB/T 4958.3-1988 |
Methods of measurement for equipment used in terrestrial radio-relay sYStems--Part 3:Simulated systems--Section six--Measurements for sound-programme transmission 地面无线电接力系统所用设备的测量方法 第三部分:仿真系统的测量 第六节:声音节目传输的测量 |
China National Standards YS |
English PDF |
| GB/T 4958.2-1988 |
Methods of measurement for equipment used in terrestrial radio-relay sYStems--Part 3:Simulated systems--Section two--Measurements in the baseband 地面无线电接力系统所用设备的测量方法 第三部分:仿真系统的测量 第二节:基带测量 |
China National Standards YS |
English PDF |
| GB/T 9025-1988 |
Cabled distribution sYStems primarily intended for sound and television signals operating between30 MHz and 1 GHz--Electrical and mechanical matching values 30 MHz～1GHz声音和电视信号的电缆分配系统 机电配接值 |
China National Standards YS |
English PDF |
| GB/T 8756-1988 |
Collection of metallographs on defects of crYStallinegermanium 锗晶体缺陷图谱 |
China National Standards YS |
English PDF |
| GB/T 7731.10-1988 |
Methods for chemical analYSis of ferrotungsten--The infrared absorption method for the determination of carbon content 钨铁化学分析方法 红外线吸收法测定碳量 |
China National Standards YS |
English PDF |
| GB/T 4702.14-1988 |
Methods for chemical analYSisof chromium metal--The infrared absorption method for the determination of carbon content 金属铬化学分析方法 红外线吸收法测定碳量 |
China National Standards YS |
English PDF |
| GB/T 8654.6-1988 |
Methods for chemical analYSis of manganese metal--The diamine hydrochloride-iodo-metric method for the determination of selenium content 金属锰化学分析方法 盐酸联氨-碘量法测定硒量 |
China National Standards YS |
English PDF |
| GB/T 223.3-1988 |
Methods forchemical analYSis of iron，steel and alloy--The diantipyryl methane phosphomolybdate gravimetric method for the determination of phosphorus content 钢铁及合金化学分析方法 二安替比林甲烷磷钼酸重量法测定磷量 |
China National Standards YS |
English PDF |
| GB/T 8553-1987 |
Holders (Enclosures)， crYStal， General specification for 晶体盒总规范 |
China National Standards YS |
English PDF |
| GB/T 8156.9-1987 |
Methods for chemical analYSis of aluminium fluoride for industrial use--The molybdenum blue photometric method for the determination of phosphorus content 工业用氟化铝化学分析方法 钼蓝光度法测定磷量 |
China National Standards YS |
English PDF |
| GB/T 8156.8-1987 |
Methods for chemical analYSis of aluminium fluoride for industrial use--The barium sulphate gravimetric method for the determination of sulphate content 工业用氟化铝化学分析方法 硫酸钡重量法测定硫酸根量 |
China National Standards YS |
English PDF |
| GB/T 8156.7-1987 |
Methods for chemical analYSis of aluminium fluoride for industrial use--The 1，10-phenanthroline photometric method for the determination of iron content 工业用氟化铝化学分析方法 邻二氮杂菲光度法测定铁量 |
China National Standards YS |
English PDF |
| GB/T 8156.6-1987 |
Methods for chemical analYSis of aluminium fluoride for industrial use--The molybdenum blue photometric method for the determination of silica content 工业用氟化铝化学分析方法 钼蓝光度法测定硅量 |
China National Standards YS |
English PDF |
| GB/T 8156.5-1987 |
Methods for chemical analYSis of aluminium fluoride for industrial use--The flame emission photometric method for the determination of sodium content 工业用氟化铝化学分析方法 火焰发射光度法测定钠量 |
China National Standards YS |
English PDF |
| GB/T 8156.4-1987 |
Methods for chemical analYSis of aluminium fluoride for industrial use--The EDTA volumetric method for the determination of aluminium content 工业用氟化铝化学分析方法 EDTA容量法测定铝量 |
China National Standards YS |
English PDF |
| GB/T 8156.3-1987 |
Methods for chemical analYSis of aluminium fluoride for industrial use--The distillation-thoriumnitrate volumetric method for the determination of fluoride content 工业用氟化铝化学分析方法 蒸馏-硝酸钍容量法测定氟量 |
China National Standards YS |
English PDF |
| GB/T 8156.2-1987 |
Methods for chemical analYSis of aluminium fluoride for industrial use--The electrometric method for the determination of water content 工业用氟化铝化学分析方法 电量法测定水分含量 |
China National Standards YS |
English PDF |
| GB/T 8156.1-1987 |
Methods for chemical analYSis of aluminium fluoride for industrial use--The gravimetric method for the determination of moisture content 工业用氟化铝化学分析方法 重量法测定湿存水量 |
China National Standards YS |
English PDF |
| GB/T 8152.8-1987 |
Methods forchemical analYSis of lead concentrates--The DTPM spectrophotometric method for the determination of bismuth content 铅精矿化学分析方法 二硫代二安替比林甲烷分光光度法测定铋量 |
China National Standards YS |
English PDF |
| GB/T 8152.6-1987 |
Methods for chemical analYSis of lead concentrates--The polarographic method for the determination of bismuth content 铅精矿化学分析方法 极谱法测定铋量 |
China National Standards YS |
English PDF |
| GB/T 7941-1987 |
Testing of refrigerating sYStems 制冷装置试验 |
China National Standards YS |
English PDF |
| GB/T 7829-1987 |
Procedure for fault tree analYSis 故障树分析程序 |
China National Standards YS |
English PDF |
| GB 7795-1987 |
Diagnostic criteria and principles of management of occupational acute electric ophthalmia (Keratoconjunctivitis caused by ultraviolet raYS) 职业性急性电光性眼炎(紫外线角膜结膜炎)诊断标准及处理原则 |
China National Standards YS |
English PDF |
| GB/T 7731.5-1987 |
Methods for chemical analYSis of ferrotungsten--The molybdenum blue photometric method for the determination of silicon content 钨铁化学分析方法 钼蓝光度法测定硅量 |
China National Standards YS |
English PDF |
| GB/T 7731.4-1987 |
Methods for chemical analYSis of ferrotungsten--The molybdenum blue photometric method for the determination of phosphorus content 钨铁化学分析方法 钼蓝光度法测定磷量 |
China National Standards YS |
English PDF |
| GB/T 7731.1-1987 |
Methods for chemical analYSis of ferrotungsten--The cinchonine gravimetric method for the determination of tungsten content 钨铁化学分析方法 辛可宁重量法测定钨量 |
China National Standards YS |
English PDF |
| GB/T 7729-1987 |
Chemical analYSis of metallurgical products--General rule for spectrophotometric methods 冶金产品化学分析 分光光度法通则 |
China National Standards YS |
English PDF |
| GB/T 7728-1987 |
Chemical analYSis of metallurgical products--General rule for flame atomic absorption spectrometric methods 冶金产品化学分析 火焰原子吸收光谱法通则 |
China National Standards YS |
English PDF |
| GB/T 223.58-1987 |
Methods for chemical analYSis of iron，steel and alloy--The extraction-absorption catalytic polarographic method for the determination of manganese content 钢铁及合金化学分析方法 亚砷酸钠-亚硝酸钠滴定法测定锰量 |
China National Standards YS |
English PDF |
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