AIM: To apply the solid phase extraction (SPE) on salvianolic acids in Radix Salvia Miltiorrhizae by means of high performance liquid chromatography with mass spectroscopic detector (HPLC MSn).
目的：研究丹参药材中丹酚酸类成分的固相萃取预富集方法。
Fluidized bed drier enjoys advantages of even solid particle mixing and large heat and mass transfer area of gas and solid phase.
流化床操作具有固体颗粒混合好，气固两相传热传质表面积大等优点。
A new solid phase extraction-gas chromatography-mass spectrometry(SPE-GC/MS) method for simultaneous determination of ractopamine and clenbuterol in animal urine was reported.
建立了固相萃取-气相色谱-质谱法（SPE-GC/MS）同时测定动物尿样中的莱克多巴胺和克伦特罗的方法。
This paper introduces a new measurement technique of gas-solid two-phase mass flow measurement.
介绍一种气固两相流固相质量流量测量新技术。
A method was developed for determining residual clenbuterol and ractopamine in animal liver (tissues) using solid phase extraction (spe) with gas chromatography-mass spectrometry (GC-MS).
建立了同时测定动物肝组织中盐酸克伦·特罗和盐酸莱克多巴胺残留量的固相萃取-气相色谱-质谱分析方法。
Solid mass rate at different gas flow is forecasted by using improved BP neural network in dense phase pneumatic conveying.
结果表明，BP网络能对不同实验条件下的固体质量流率进行较好的预测。
A method was developed for determining residual salbutamol in animal tissue using solid-phase extraction (spe) with gas chromatography-mass spectrometry (GC-MS).
建立了动物组织中沙丁胺醇残留量固相萃取-气相色谱-质谱分析方法。
The axial and radial distribution of flow, heat and mass transfer of gas-solid two phase is very uneven in the reactor.
提升管反应器内气固两相在轴向和径向上都存在着流动、传热与反应的不均匀分布。
Determination of polychlorinated biphenyls in air around the waste steel recycling plant by headspace solid phase microextraction-gas chromatography mass spectrometry;
建立了顶空固相微萃取气相色谱法测定萝卜中有机氯农药及类似物的分析方法。
The pulp mass flowmeter, a kind of mass flowmeter metering liquid-solid two-phase mixtures has been developed successfully recently.
纸浆质量流量计是新研制成功的一种液固两相质量流量计。
Methods: The volatile compounds of Samoan crab and Chinese mitten crab meat were analyzed by gas chromatography-mass spectrometry with solid phase microextraction technique.
方法：采用顶空固相微萃取-气相色谱-质谱联用技术分别对青蟹和湖蟹肉挥发性成分进行分析。
A solid phase and a liquid phase are efficiently mixed in the reactor in order to enhance the heat and mass transfer efficiency during the reaction.
在反应器中固液两相进行高效的混合，强化反应过程的传热和传质效率。
The solid spray tower plate is suitable for various mass transfer plate towers, particularly plate towers with higher gas phase load.
适用于各类传质板式塔，尤其适用于气相负荷较大板式塔。
The solid spray tower plate is suitable for various mass transfer plate towers, particularly plate towers with higher gas phase load.
适用于各类传质板式塔，尤其适用于气相负荷较大板式塔。
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