取样

This meansthat the analyzable lower limit and the amount of sample used can be reduced by CSCS technique.

因此，使用旋流雾室进样技术，可以降低分析下限和样品取样。

To avoid sampling bias, they restricted their analysis to one group of animals—the bivalve molluscs—that fossilise well.

为了防止取样偏颇，他们将分析对象限制在一类化石记录保存完备动物——双壳类软体动物。

At harvest,root length density and treflan concentration at different soil layer were evaluated using soil auger method.

冬小麦收获后,采用土钻法在滴头附近沿垂直方向分层取样,测定各土层根长密度和氟乐灵含,并统计各小区。

This paper has predicted indirectly by means of measuring the equivalent viscosity of resorcin-formaldehyde resin liquor(thereinafter referred to as RF resin).

测在线取样间苯二酚-甲醛树脂(以下简称RF树脂)溶液当粘度,来间接判断RF树脂粘合性能。

VD and working procedure.Experiments showed that major of the LF step foreign inclusions are aluminium sesquioxide. spotted non-deforming inclusion and sulphuret.

VD及成材工序现场取样.系统分析了各工序中夹杂物行为.特征.数.变化历程及影响因素.实验结果表明.

A combustion-driven entrained flow reactor equipped with an optical particle-sizing pyrometry diagnostic and a rapid-quench sampling probe has been used for this investigation.

这里使用试带有光学测温元件和快速淬火取样探针气流床反应器。

Distorsion,corrosion,erosion and abrasion mechanisms,concerning the faulty section,of the boiler s secondary superheater were studied by on-site measurements and by samples,cut from the tubes.

分别采取现场实测和割管取样2种方法对锅炉二次热器变形、腐蚀、冲刷与磨损等主要失效机理进行了分析,并由此得出预防管子失效对策。

Microstructure analysis showed significantly consistent change in nodule counts and possibly the numbers of microshrinkage pores present from the bottom to the top of heavy-section casting.

在厚断面 铸件取样位置不同时，由于浇铸凝固时间不同，疲劳强度也不同。