1.
Preparation of Polystyrene Microspheres as Micro-size Standard Materials
亚微米级聚苯乙烯微球粒度标准物质的研制
2.
Measurement and Characterization of the Particle Size of Geological Reference Materials
地质标准物质的粒度测量与表征实践
3.
Modern methods for the measurement and characterization of particle size in geosdan-dards reference materials
地质标准物质粒度测量与表征的现代方法
4.
The annual concentration of the particulate in 101 cities exceeded Grade III, accounting for 29.2% of the cities.
其中101个城市颗粒物年均浓度超过三级标准，占统计城市数的29.2%。
5.
Particle concentration in the ambient air still keeps at relatively high level while the concentration of other pollutants has come close to or already met the national standards.
目前，北京市主要大气污染物中，颗粒物浓度一直居高不下，其它污染指标已接近或达到国家标准。
6.
Analysis on the concept of "grain size" in several standards in operation
现行标准中有关“粒度”概念的分析
7.
windows of standard width; standard sizes; the standard fixtures; standard brands; standard operating procedure.
窗户的标准宽度；标准型号；标准的固定物；权威商标；标准操作程序。
8.
temperature standard material for DTA
差热分析温度标准物质
9.
temperature standard material for TG
热重法温度标准物质
10.
Statistical Analysis of Signal Amplitude Distribution in Airborne Particle Counter
尘埃粒子计数器标准粒子信号幅度分布统计分析
11.
The value of determination is accordant with the value of standard.
用标准物质进行准确度实验 ,测定值与标准值相符合。
12.
standard adjacent fabrics for staining of colour fastness test
纺织品色牢度试验用标准贴衬织物
13.
Simple analysis about microbial limit criteria in USP 31
浅析USP 31版微生物限度标准
14.
Analysis of Grain-size Populations With Environmentally Sensitive Components in Aeolian Deposits and Their Implications
风成沉积物环境敏感粒度指标的提取及意义
15.
Standard sub micron grade for solid rotary tool applications.
是适用于可转位工具的晶粒度为亚微米级的标准牌号。
16.
Fractal dimensions of grains in the standard photographs are measured.
测量了标准图谱中铁素体晶粒度图形的分形维数。
17.
The measurement uncertainty of the purity of the three CRMs is ±0 2%.
三种农药标准物质纯度定值的不确定度为±0?2％ 。
18.
Abstract: The uncertainty of certified values of certified reference material (CRM) for spectroscopic analysis and its determining method have been expounded.
文摘:论述了光谱分析用标准物质标准值的不确定度。