91精品国产综合久久久久久丝袜久久91精品国产91久久app|91高清国产国产 一二三四五六国产成人|日韩精品久久久久久久亚洲av在线观看中文字幕|中文字幕校园春色|国产精品―色哟呦|中文字幕人妻久久|777亚洲精品乱码久久久久久|中出人妻中文字幕一区十八|91精品国产丝袜长腿久久|91偷自产一区二区三区精品,91吃瓜黑料在线观看,一本久久伊人热热精品中文,欧美精品亚洲一区二区

SJT 10171.10-1991 隔膜最大孔直徑的測(cè)定 氣泡試驗(yàn)法

SJT 10171.10-1991 隔膜最大孔直徑的測(cè)定 氣泡試驗(yàn)法

YST 63.9-2012 鋁用炭素材料檢測(cè)方法 第9部分 真密度的測(cè)定 氦比重計(jì)法

YST 63.9-2012 鋁用炭素材料檢測(cè)方法 第9部分 真密度的測(cè)定 氦比重計(jì)法

HYT 064-2002 管式陶瓷微孔濾膜測(cè)試方法

HYT 064-2002 管式陶瓷微孔濾膜測(cè)試方法

HY-T039-1995微孔濾膜孔性能測(cè)定方法

HY-T039-1995微孔濾膜孔性能測(cè)定方法

HY T 051-1999中空纖維微孔濾膜測(cè)試方法標(biāo)準(zhǔn)

HY T 051-1999中空纖維微孔濾膜測(cè)試方法標(biāo)準(zhǔn)

SYT 6940-2013 頁(yè)巖含氣量測(cè)定方法-2

SYT 6940-2013 頁(yè)巖含氣量測(cè)定方法-2

T/CCAS 012—2019《水泥密度測(cè)定方法（氣體置換法）》

本標(biāo)準(zhǔn)規(guī)定了氣體置換法測(cè)定水泥密度的方法原理,、儀器設(shè)備、試驗(yàn)條件,、試驗(yàn)步驟,、結(jié)果處理等,。 本標(biāo)準(zhǔn)適用于硅酸鹽水泥,、普通硅酸鹽水泥、礦渣硅酸鹽水泥,、火山灰硅酸鹽水泥,、粉煤灰硅酸鹽水泥、復(fù)合硅酸鹽水泥及 ...

HGT-3927-2007工業(yè)活性氧化鋁

ISO 4652:2020 Rubber compounding ingredients — Carbon black — Determination of specific surface area by nitrogen adsorption methods — Single-point procedures

ISO 4652:2020 Rubber compounding ingredients — Carbon black — Determination of specific surface are ...

ISO 10070:2019 Metallic powders — Determination of envelope-specific surface area from measurements of the permeability to air of a powder bed under steady-state flow conditions

ISO 10070:2019 Metallic powders — Determination of envelope-specific surface area from measurements ...

ISO 12154:2014 Determination of density by volumetric displacement — Skeleton density by gas pycnometry

ISO 12154:2014 Determination of density by volumetric displacement — Skeleton density by gas pycnom ...

ISO 12800:2017 Nuclear fuel technology — Guidelines on the measurement of the specific surface area of uranium oxide powders by the BET method

ISO 12800:2017 Nuclear fuel technology — Guidelines on the measurement of the specific surface area ...

ISO 15901-1:2016 Evaluation of pore size distribution and porosity of solid materials by mercury porosimetry and gas adsorption — Part 1: Mercury porosimetry

ISO 15901-1:2016 Evaluation of pore size distribution and porosity of solid materials by mercury po ...

ISO 18757:2003 Fine ceramics (advanced ceramics, advanced technical ceramics) — Determination of specific surface area of ceramic powders by gas adsorption using the BET method

ISO 18757:2003 Fine ceramics (advanced ceramics, advanced technical ceramics) — Determination of sp ...

ISO 18852:2015 Rubber compounding ingredients — Determination of multipoint nitrogen surface area (NSA) and statistical thickness surface area (STSA)

ISO 18852:2015 Rubber compounding ingredients — Determination of multipoint nitrogen surface area ( ...

ASTM B923-22 Standard Test Method for Metal Powder Skeletal Density by Helium or Nitrogen Pycnometry

ASTM B923-22 Standard Test Method for Metal Powder Skeletal Density by Helium or Nitrogen Pycnomet ...

ASTM D3908-20 Standard Test Method for Hydrogen Chemisorption on Supported Platinum Catalysts by Volumetric Vacuum Method

ASTM D3908-20 Standard Test Method for Hydrogen Chemisorption on Supported Platinum Catalysts by V ...

ASTM D4284-12(2017) Standard Test Method for Determining Pore Volume Distribution of Catalysts and Catalyst Carriers by Mercury Intrusion Porosimetry

ASTM D4284-12(2017) Standard Test Method for Determining Pore Volume Distribution of Catalysts and ...

ASTM D4404-18 Standard Test Method for Determination of Pore Volume and Pore Volume Distribution of Soil and Rock by Mercury Intrusion Porosimetry

ASTM D4404-18 Standard Test Method for Determination of Pore Volume and Pore Volume Distribution o ...

ASTM D8325-20 Standard Guide for Evaluation of Nuclear Graphite Surface Area and Porosity by Gas Adsorption Measurements

ASTM D8325-20 Standard Guide for Evaluation of Nuclear Graphite Surface Area and Porosity by Gas A ...