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- dust sampling tube 尘粒取样器
- Aimming at the problems presented in application of flue dust sampling instrument with auto-pitot tube parallel measurement,a solve method is introduced. 针对自动皮托管平行测速烟尘采样仪在使用中经常出现的几个问题,提出了相应的解决方法,实际应用结果表明,这些方法具有很好的效果。
- Aimming at the problems presented in application of flue dust sampling instrument with auto-pitot tube parallel measurement,a solve method is introduced.Practice indicates that it is effective. 针对自动皮托管平行测速烟尘采样仪在使用中经常出现的几个问题,提出了相应的解决方法,实际应用结果表明,这些方法具有很好的效果。
- Formation center tester(FCT) is made up of hydraulic power joint,double PACKER joint,opposing infuse joint,numeric pump exhausting joint,sensor joint and sampling tube joint. 钻井油气层测试器是由液压动力短节、双PACKER短节、反向注入短节、数字泵抽短节、传感器短节和取样筒短节组成的。
- This experiment inspected the capability of sampling tube Carbotrap300 which are filled in multiplayer sorbent by desorption and GC/MS method, and researched the pollution of VOCs and PM_2.5 in indoor air and outdoor air of Hangzhou for a year. 本文用气/质联用和热解吸方法;检验了填装多层吸附剂的采样管Carbotrap300采集、分析空气中VOCs的性能;并对杭州市室内外空气中VOCs和PM_(2.;5)的污染状况进行了为期一年的调查研究。
- Keywords auto-pitot tube parallel velocimetry;flue dust sampling instrument; 自动皮托管平行测速法;烟尘采样仪;
- Stardust's cometary and interstellar dust samples will help provide answers to fundamental questions about the origins of the solar system. 星团的采样的彗星和星际尘埃样本将有助于回答关于太阳系起源的一些基本问题。
- In this paper,dust sampled from the air-conditioner sieves were analyzed by FTIR,XRD and SEM. 为此,采用红外光谱、X射线衍射、扫描电镜等手段对河南博物院空调滤网上的粉尘进行了成分分析和形貌分析。
- RD sampling apparatus is a special sampling facility based on APR-M2 tool,which is composed of sampling tribolet,sampling outer barrel, rupture disc, sample tube etc. RD取样器是在APR-M_2工具基础上发展起来的专用取样设备,由取样心轴、取样外筒、破裂盘、样品腔几部分组成。
- Whereas the cometary samples are relatively easy to extract from the collector plates, that is not the case for the interstellar dust samples. 与从收集盘相对容易的提取出彗星样品不同，星际尘埃要困难得多。
- The measurement and investigation were conducte for the performances of sampling tubes of end-cap shower counter in BES. 本文对北京谱仪中端盖簇射计数器的取样计数管性能进行了测量和研究。
- The chemical analysis results show that except Zn, Cu and Ba the concentration of all other heavy metals is highest of dust samples in the northern segment. 样品重金属含量分析结果显示，除了Zn、Cu和Ba以外，其它重金属的含量北段均高于其它各段。
- Characterization is made of two coal dust samples and several types of coal dust restrainer have been developed based on surface behavior of dust particle. 对采自神华集团选煤厂的两个煤尘进行了性质表征,并基于其表面性质特点开发出了几种抑尘剂。
- After modification of sample tube, the content of radiogenic Ar increases and reproducibility and accuracy of standards is better. 通过对样品管的改造,提高了样品测试中放射成因氩的含量,标样多次测试结果具有很好的重现性和准确度。
- The motor car disappeared in eddy of dust. 汽车在一片扬尘的涡流中不见了。
- As the sample of N 2H 4,MMH and UDMH mixture gas in air is collected by sampling tube for concentration MMH,the concentration of N 2H 4,MMH and UDMH is measured simultaneously by spectrophotometer. 介绍了用一甲肼浓缩采样管采集空气中三肼混合气体，用分光光度法分别测出肼、一甲肼和偏二甲肼各组分的含量。
- The forest will act as a defense against desert dust. 森林能起防御沙漠灰沙的作用。
- The car raised quite a dust as we drove off. 我们走时车子扬起了一阵尘土。
- A filter traps dust from the air. 过滤网可存住空气中的尘埃。
- Thedeviation was caused by the influence of the condensate temperature in the equalizer andthe positive /negative sampling tubes as well as by the effect of the high ambienttemperature. 对此，分析了锅炉水位偏差的原因有平衡容器内凝结水温度问题，正负压取样管内凝结水温差的问题及环境温度高的问题。
