微量分析

Rubidium and rhenium in rock samples are satisfactorily determined by neutron activation method.

冠醚的选择性定量溶剂萃取已较好地应用于中子活化分析岩石中微量Rb和Re。

This paper study on cutting force、average friction coefficient and swarf under this three cutting method ,the experimental results showed that oils on waterhave an effect on cooling and lubrication.

通过对切削力、平均摩擦系数和切屑形态的研究分析，揭示出微量油膜附水滴加工液具有良好的冷却润滑性能。

Target analytes can be sampled form trace or small amount concentration level by using CUSDT SPME syringe.

CUSDT 固相微萃取管可以从痕量或微量浓度把目标分析物提取出来。

Was chosen as the buffer; the sample was injected using-10 KV for 20 s after introduction of 3 s water plug.

研究结果证明该方法能够用于分析复杂样品，尤其在微量组分的测定中具有重要的应用价值。

In general, the following technical achievements could be concluded: 1. A sensitive and selective liquid chromatography-tandem mass spectrometric method has been developed to determine trace para red、Sudan I～IV、Sudan red B、Sudan red G、Sudan red 7B、Sudan Black B、Methyl Yellow、Toluidine Red、Fast Garnet GBC Base、Auramine、Oil Orange SS and Sudan Orange G in food, respectively.

详细分析研究了食品中微量的对位红、苏丹红Ⅰ-Ⅳ、Sudan red B、Sudan red G、Sudan red 7B、Sudan Black B、Methyl Yellow、Toluidine Red和Fast Garnet GBC Base7种苏丹红类染料、Auramine和Oil Orange SS染料、以及Sudan Orange G染料的快速、灵敏的液质测定方法。

To improve the quality of urine routine testing by dry chemical analysis,it is necessary to make sediment analysis by DiaSys working station or non staining urine sediment analysis with centrifugalization for urine trace occult blood.

为提高尿液检验的质量，干化学分析诊断为微量潜血的尿液标本，需用非染色尿沉渣镜检或DiaSys(R/S2003)进行检测。

The Cichorium glandulosum Boiss et Huet is a traditional Uighur natural herbal medicine, but has not been analyzed and studied in terms of its metalel ements.

腺毛菊苣是新疆维吾尔族传统习用药材，但其药物中有效微量、常量元素成分尚未进行过分析研究。

Microcalorimetry was applied to follow the toxic effects caused by different diphenol compounds on microbial activity of Chinese fir soil.

用微量量热技术分析了三种二酚类化合物(邻苯二酚、间苯二酚、对苯二酚)对土壤微生物活性的毒性作用。

These findings were consistent with the results of E20 cerebral cortex. iNOS was detected in E14 brain and There were no evidence changes of expression of iNOS in the encephalocoele group compared with the control group.

在Western blot分析中，发现与对照组比较，E14脑膨出组胎鼠大脑皮质中nNOS蛋白表达明显减少，eNOS蛋白表达水平明显增加，与E20结果相一致；在E14胎鼠大脑皮质中检测到iNOS蛋白微量表达，但脑膨出组与对照组比较无明显差异，E20胎鼠大脑皮质中未检测到iNOS表达。

In this research, we used Trifluoroacetic anhydride as a derivatizing agent to esterify the trace glycerol in biodiesel, followed by the determination of trace glycerol using microwave assisted headspace SPME extraction technique combined with GC-ECD.

本研究利用三氟醋酸酐与生质柴油中的微量甘油进行酯化反应，反应后的衍生物以本实验室开发的微波辅助顶空固相微萃取装置采样，并以气相层析仪搭配电子捕捉侦测器作分析。

However, as the name（read－only memory）implies, CD disks cannot be written onorchanged in any way.

然而，正如其名字所指出的那样，CD盘不能写，也不能用任何方式改变其内容。

Galvanizes steel pallet is mainly export which suits standard packing of European Union, the North America. galvanizes steel pallet is suitable to heavy rack. Pallet surface can design plate type, corrugated and the gap form, satisfies the different requirements.

镀锌钢托盘多用于出口，替代木托盘，免薰蒸，符合欧盟、北美各国对出口货物包装材料的法令要求；喷涂钢托盘适用于重载上货架之用，托盘表面根据需要制作成平板状、波纹状及间隔形式，满足不同的使用要求。