Browse Standards

塑料扭转刚性试验方法

Test method for stiffness proporties in torsion of plastics

普通测光标准灯泡

Photometrle standard lamp for general lighting serviue

发光强度、总光通量标准灯泡

Standard lamps for the measurment of luminous intensity and luminous flux

电视广播接收机用红外遥控发射器技术要求和测量方法

Technical requirements and methods of measurement of infrared remote control radiation unit for television broadcast receivers

铸造表面粗糙度 评定方法

Evaluation method on cast surface roughness

小螺纹 极限尺寸

Miniature screw threads--Limits of sizes

小螺纹 公差

Miniature screw threads--Tolerances

小螺纹 基本尺寸

Miniature screw threads--Basic dimensions

小螺纹 直径与螺距系列

Miniature screw threads--General plan

小螺纹 牙型

Miniature screw threads--Profiles

冲压件未注公差尺寸极限偏差

Permissible stamping varitions in dimensions without tolerance indication

化工用石灰石中磷含量的测定 钼蓝分光光度法

Limestone for chemical industry--Determination of phosphorus content--Molybdenum blue spectrophotometric method

化工用石灰石中硫含量的测定 硫酸钡重量法和燃烧-碘酸钾滴定法

Limestonefor chemical industry--Determination of sulfur content--Gravimetric and combustion-iodate titrimetric methods

化工用石灰石中氧化铝含量的测定 铬天青S分光光度法

Limestone for chemical industry--Determination of aluminium oxide content--Chromazurol S spectrophotometric method

化工用石灰石中铁含量的测定 邻菲啰啉分光光度法

Limestone for chemical industry--Determination of iron content--Phenanthroline spectrophotometric method

化工用石灰石中二氧化硅含量的测定 钼蓝分光光度法

Limestone for chemical industry--Determination of silicon dioxide content--Molybdenum blue spectrophotometric method

化工用石灰石中氧化钙和氧化镁含量的测定

Limestone for chemical industry--Determination of calcium and magnesium oxides content

片基膨胀率和收缩率的测定方法

Method for determining the water expansion and shrinkage of photographic film base

化工用石灰石中三氧化二物含量的测定 重量法

Limestone for chemical industry--Determination of iron and aluminium oxides content--Gravimetric method

化工用石灰石中盐酸不溶物含量的测定 重量法

Limestone for chemical industry--Determination of insoluble matter content of hydrochloric acid--Gravimetric method