共找到 150 條與 終端沉降速度 相關(guān)的標(biāo)準(zhǔn)，共 10 頁
Pigments and extenders. Dispersion procedure for sedimentation-based particle sizing of suspended pigment or extender with liquid sedimentation methods
Pigments and extenders – Dispersion procedure for sedimentation-based particle sizing of suspended pigment or extender with liquid sedimentation methods (ISO 20427:2023)
Determination of particle density by sedimentation methods – Part 1: Isopycnic interpolation approach
本標(biāo)準(zhǔn)規(guī)定了金屬粉末在懸浮液中由于重力作用沉降時(shí)，通過測量光束穿過懸浮液時(shí)的衰減量來計(jì)算顆粒粒度分布的方法。 本方法適用于滿足斯托克斯方程的情況，即雷諾數(shù)小于0.25的層流條件，同時(shí)顆粒沉降速度不受布郎運(yùn)動影響。本方法適用于全部顆粒粒徑在1μm～100μm之間的金屬粉末包括硬質(zhì)合金
Metallic powders-Determination of particle size distribution by gravitational sedimentation in a liquid and attenuation measurement
Particle size analysis; sedimentation analysis in the gravitational field; pipette methodGranulométrie; Analyse granulométrique par s
Particle size analysis; sedimentation analysis in the gravitational field; pipette method
本標(biāo)準(zhǔn)規(guī)定了人氣沉降物中鈾濃度的測定方法、步驟、結(jié)果計(jì)算及測定用儀器與設(shè)備、試劑與材料。本標(biāo)準(zhǔn)適用于大氣沉降物中干沉降(沉降灰)、濕沉降及降水中鈾濃度的測定。當(dāng)人氣沉降灰及濕沉降的收集周期為30d,高罐底面積為0.1m2時(shí),本方法的檢出下限為:沉降灰及濾渣中鈾濃度為0.18μg/(d·m
Determination of uranium concentration in atmospheric fallout.Liquid fluorometry by ultraviolet
GB/T 26645的本部分規(guī)定了采用稱量液體重力沉降顆粒的質(zhì)量來分析粒度分布的方法。 本方法通過直接測量顆粒的質(zhì)量并給出等效球徑的粒徑分布。采用液體重力沉降法測量的典型樣品粒徑范圍為1 μm~100 μm，同時(shí)應(yīng)滿足雷諾系數(shù)不大于0.25的沉降條件
Particle size analysis.Gravitational liquid sedimentation methods.Part 4:Balance method
本標(biāo)準(zhǔn)參照GB/T 17421.1-1998和GB/T 17421.2-2000規(guī)定了熔融沉積快速成形機(jī)床（以下簡稱“機(jī)床”）的幾何精度檢驗(yàn)、加工檢驗(yàn)及數(shù)控軸定位精度和重復(fù)定位精度的檢驗(yàn)。本標(biāo)準(zhǔn)還規(guī)定了與上述檢驗(yàn)相對應(yīng)的允差值。 本標(biāo)準(zhǔn)僅涉及機(jī)床精度的檢驗(yàn)，而不適于機(jī)床運(yùn)行試驗(yàn)
Fused deposition modeling machines. Testing of the accuracy
Paints and related materials - Methods of test, Method 211.1: Degree of settling
Main technical features Lift lifting capacity, speed
Powder metallurgy. Metallic powders. Determination of bulk density after settling
BS ISO 20427. Pigments and extenders. Dispersion procedure for sedimentational particle sizing of suspended pigment or extender with liquid sedimentation methods
Crane Hoist Line Speed and Power Test Procedure
Pigments and extenders – Dispersion procedure for sedimentation-based particle sizing of suspended pigment or extender with liquid sedimentation methods (ISO 20427:2023)
Pigments and extenders — Dispersion procedure for sedimentation-based particle sizing of suspended pigment or extender with liquid sedimentation methods
