Specification for selection, inspection and acceptance of bottom sampler for vertical steel light oil tanks in petrochemical industry

According to the principle of karl Fischer coulometry, the water content in rectified VCM dried by solid caustic soda was determined using Modle LG-5 liquid hydrocarbon flash vaporization sampler. The difference among parallel analytical datas was less than 20 × 10~ (-6).

利用卡尔.费休库仑法的原理，使用LG-5型液态烃闪蒸气化取样进样器，测定经固碱干燥系统干燥的精馏VCM中的水分含量，其平行分析数据误差小于20×10-6。

Airborne particles were collected from urban areas of Beijing and Tianjin using an FA-3 aerosol cascade sampler in summer 2002. Organochlorine pesticides residues in various size fractions of the samples were measured.

采用FA-3型气溶胶粒度分布采样器采样，对北京和天津2个样点夏季大气中不同粒径颗粒物上有机氯农药残留量进行分析。

Discussion on the Meaning of the Bed Load Discharge Measured by Sampler in the Sandy Bed of Natural Rivers The suspended sediment of natural streams is usually made up of grains with a broad spectrum of sizes and fall velocities.

天然河流沙质河床上器测推移质输沙率含义的商榷天然河流的悬沙，通常系由各种大小尺寸和沉速的粒子组成。

Studying the temporal and spatial changes of suspended sediment content in the Changjiang Estuary using a remote sensing quantitative method Discussion on the Meaning of the Bed Load Discharge Measured by Sampler in the Sandy Bed of Natural Rivers

长江口水域悬沙含量时空变化卫星遥感定量研究方法探讨天然河流沙质河床上器测推移质输沙率含义的商榷

Comparisons were also made between results obtained by personal samplers and location sampler.

文中还给出了个人采样器和固定采样器监测结果的比较。

Results ( 1) The concentrations of dust measured by multi functional sampler were slightly higher than that with routine dust sampler or personal dust sampler, but there were no significant difference ( P> 0 05).

结果（1）多功能呼吸同步采样仪测出的粉尘浓度稍高于常规定点粉尘采样仪和个体粉尘采样仪的测定结果，经显著性检验差异无显著意义（P>005）。

Development of the personal aerosol sampler matching the respirable curve recommended by the ICRP

模拟ICRP可吸入曲线的气溶胶个人采样器的研制

Study on the Personal Sampler of New "WY" Diffusion Type for Organic Solvents ⅱ. Study of the Applicability

新型WY扩散型有机溶剂个体采样器的研究Ⅱ.实用性的研究

Passive personal sampler for exposure to low concentration of volatile organic compounds

低浓度挥发性有机化合物被动式个体采样器的研究

When we do field benthos sampling, we should put D-shape web method first and combine it with Peterson sediment sampler.

在进行野外底栖生物采样时，建议应以D形网采集为主，适当结合彼得逊采泥器的方法进行采样。

The parameters of water inlet conduit of the time-accumulating sediment sampler are one of the key factors for the flow rate at water inlet.

积时式悬沙采样器进口管路的结构和几何参数是影响采样器管嘴进口流速的关键因素之一。

It is one of the key components of the sediment sampler and has great influence to the performance of the sampler.

悬沙采样器开关阀的基本作用是控制采样仓的进水和排气，它是采样器的关键元件之一，对采样器的性能起决定作用。

Experiments show that the new valve not only meets the requirements of the sediment sampler, but also has better reliability.

试验表明，新型开关阀不仅满足悬沙采样器的功能要求，而且可靠性大大提高。

Field Comparisons of Bed Load Samplers from USA and China Design of the Valve for Sediment Sampler

中国和美国的推移质泥沙采样器野外比测试验

Design and testing of the depth profile sediment sampler for runoff plots

径流小区集流桶含沙量全深剖面采样器的研制与试验

The operational principle of an automatic sampler for hydride in situ concentration graphite fumace and the design of its controller and sampling mechanism are described.

叙述了氢化物原位富集石墨炉自动进样器的工作原理，控制器与进样机构设计，以及主要技术指标。

HRTEM/ EDS and ESEM/ EDS were used to test the particles in TSP collected by automatic sampler.

用带能谱的高分辨率透射电镜（HETEM/EDS）和ESEM/EDS来检测TSP中的颗粒物，其中TSP是由自动采样器来采集的。

Type BPTV New Explosion Proof Automatic Sampler

BPTV型新型防爆自动取样器

According to the requirements of GC sampling accuracy and efficiency, automatic sampler has been deeply studied.

根据气相色谱仪进样精度及效率的要求，对气相色谱仪自动进样系统进行了方案设计。

Application of the On-line Automatic Sampler in the Commercial Oil Transaction Measurement

商品油交接计量中原油管线在线自动取样器的应用