Diameter of vent port of bubble absorption tube, quantity of absorption liquid, and sampling flow rate, all of above will affect the sampling efficiency. 采样是检测空气中甲醛浓度的关键一步,气泡吸收管的出气口内径、吸收液的数量、采样流量等均会对采样效率造成影响。
A device made of plexiglass is added between the gas absorption tube and gas flowmeter in the atmospheric sampler. 在大气采样器上加装防止倒吸装置,可防止吸收液倒吸进入流量计。
Numerical study of bubble absorption in vertical tube absorber 垂直管吸收器内泡式吸收过程的数值研究
The bending carrying capacity and energy absorption capacity of partially foam-filled tube increase with the decrease of aluminum foam porosity, but the displacement to the max load is shorted. 泡沫铝部分填充管承载能力和能量吸收能力随着泡沫铝孔隙率的减少而提高,但是达到极限载荷的位移变短;
Method: The sample was digested with microwave, and the content of Pb within it was measured by Atomic Absorption Spectrometry with Slotted tube atom-trapping. 方法:采用微波消解样品,利用缝管捕集原子吸收光谱法测定其中铅含量。
Determination of Germanium by Hydride Generation Atomic Absorption Spectrometry With Electrically Heated Slotted Quartz Tube 电热开缝石英管氢化物发生-原子吸收法测定锗
Oil feet of universal joints, stay, joint, car row oil absorption multiple tube. 量油尺,万向接头,呆接头,汽车排吸油复合管。
Study on Determination of selenium by low pressure atomic absorption spectrometry with a quartz tube furnace atomizer and hydride generation with air addition 应用氢化物发生、空气加入和石英炉原子化器的低压原子吸收光谱法测定硒
Direct Determination of Trace Neodymium and Scandium in Soils by Graphite Furnace-Atomic Absorption Spectrometry Using Pyrolytically Coated Graphite Tube Lined with Both Metallic Tungsten and Tantalum Foil 钨钽石墨管原子吸收光谱法直接测定土壤中痕量钕和钪
The mainstream whole smoke was collected using atmosphere collector& U shape glass plate absorption tube with poly hole, and both dimethyl sulfoxide ( DMSO) and phosphate buffer solution ( PBS) were used as absorbents respectively. 分别以二甲基亚砜(DMSO)和磷酸缓冲液(PBS)作为吸收液,用大气收集器(U形多孔玻板吸收管)采集香烟主流烟雾,制得DMSO烟雾溶液和PBS烟雾溶液。
In this paper, to counter energy absorption design of metal round tube, the energy absorption characteristics of round mild and stainless steel tube is studied based on drop-hammer test and dynamic explicit finite element method. 针对金属圆管的吸能设计,通过落锤试验和动力显式有限元法对低碳钢和不锈钢圆管的碰撞吸能特性进行了研究。
Determining Trace Selenium in Water with Atomic Absorption Spectrometry of Graphite Tube Coated by Palladium 钯涂层石墨管原子吸收光谱法测水中微量硒
According to the characteristics of the falling film absorption in the absorbers employed on boats, a physical and mathematical model of momentum, heat and mass transfer of falling film absorption in a swaying tube with TFE/ NMP solution was established. 根据船用条件下吸收器内溶液降膜吸收的特点,建立了摇摆状态下垂直管TFENMP降膜吸收过程中动量、热量和质量传递的物理和数学模型。
Determination of trace gold in human serum by graphite furnace atomic absorption spectrometry with vanadium-coated graphite tube 人血清痕量金涂钒石墨管石墨炉原子吸收光谱法测定
Numerical simulations of overfull liquid absorption in a horizontal tube 水平管湍流吸收过程的数值模拟
Evaporation Behaviour in the Determination of Gallium, Indium and Thallium by Graphite Furnace Atomic Absorption Spectrometry With Molybdenum-coated Graphite Tube 涂钼石墨管石墨炉原子吸收法测定镓、铟和铊热蒸发行为的探讨
A study of the determination of BA in the blood by Graphite Furnace Atomic Absorption Spectrophotometry of lining tantalum graphite tube 衬钽管无焰原子吸收测定全血中钡的研究
Determination of lead by graphite furnace atomic absorption spectrometry using stabilized temperature PYROGRAPHITE tube lined with both metallic tungsten and tantalum foil 等温钨钽石墨管原子吸收光谱法测定水系沉积物和煤飞灰中铅
Research on Momentum 、 Heat and Mass Transfer of Falling Film Absorption in a Vacillating Tube 摇摆状态下降膜吸收过程中动量、热量和质量传递规律研究
Experiment of adiabatic vapour absorption in horizontal tube and its flow pattern 水平管绝热吸收过程实验及流动形态研究
The computation results show that vacillation has a significant effect on falling film absorption in a vertical tube with TFE/ NMP solution. 计算结果表明,摇摆振动对TFE/NMP垂直管内降膜吸收性能影响很大。
Analyzing Boron in Steel Using Atomic Absorption Graphite Tube Spectrometry 原子吸收石墨炉光谱法分析钢中硼
The research on condensation of vapor of wet flue gas and SO2 absorption in vertical tube 竖直管内混合气体的凝结换热与SO2传递机理的理论研究
The Gas Chromatography Method for Determination of Non-methane Hydrocarbon in Air by Carbon Absorption Tube 碳管吸收气相色谱法测定大气中的非甲烷烃
As the winding angle increased, energy absorption efficiency of the composite tube is improved, because the controlling energy dissipation mechanism is changing from matrix fracture to fiber/ matrix fracture. 随着铺设角度增大,能量吸收机理由基体控制向纤维与基体共同控制转化,因此能量吸收逐渐增大。
As the two sampling methods showed no significant differences in experiment in situ, the sampling method of commonly used absorption tube could be replaced by silica gel tube completely. 通过现场试验两种采样方法差异无显著性,完全可用硅胶管代替吸收管采样。
With a stable and remarkable energy absorption capacity, metal thin-walled tube is widely used to improve crashworthiness of the structure and protect the safety of occupant. 金属薄壁管因其具有稳定且可观的吸能特性被广泛应用于提高结构的耐撞性能,已达到保护乘员与贵重物品的目的。
A detailed description of the heat and mass transfer during ammonia-water bubble absorption in air-cooled vertical finned tube is presented. 本文详细描述了垂直风冷翅片管吸收器中氨水鼓泡吸收的传热和传质过程。
For a big noise problem of micro-surfacing pavement, the gradation has been changed, and then test their absorption coefficient with the standing wave tube, the results showed that sound absorption performance of the mixture has improved significantly. 针对微表处路面噪声大的问题,对当前级配进行调整,应用驻波管法测试其吸声系数,结果表明,混合料的吸声性能明显提高。