查询词典 thin layer

A review on the recent progress of the analysis of sodium cyclamate in more than a decade dealing mainly with the determination method by gas chromatography,thin-layer chromatography,high performance liquid chromatography,ion chromatography,ultraviolet spectrophotometry,single-sweep oscillopolarography is presented in this paper with some references.

本文综述了甜蜜素发展概况及其近10年来国内检测方法研究进展，包括色谱(气相、薄层、液相和离子)、比色法、极谱分析。

Used thin-layer chromatography, outspread dose were CHC13: MeOH (8.5: 1.5) and CHC13: MeOH (7:1)(with a little ammonia and diethylamine), color reagent was 10% oil of vitriol. Observe the fluorescent spots and color sports.

通过薄层层析色谱的分析，分别用黄酮展开剂CHCl_3∶MeOH(8.5∶1.5)和生物碱展开剂CHCl_3∶MeOH(7∶1)薄层展开后，10％的浓硫酸显色，观察荧光和显色斑点。

Comparison of conventional Papanicolaou smears and a fluid-based, thin-layer system for cervical cancer screening. Obstet Gynecol, 1997,90:278-284.[14]Wilbur DC, Cibas ES, Merritt S, et al.

上述结果表明，在液基薄层制片基础上，细胞DNA定量分析方法较常规细胞学方法在子宫颈癌的早期发现诊断方面有更大优势。

It indicates that the theory of monoatomic layer can't explain perfectly emission mechanism of La2O3-Mo cathode;the excess active lanthanum is crucial element to the improvement of thermionic emission.

标 签 激光技术热电子发射发射机制脉冲激光沉积薄膜 laser technique thermionic emission emission mechanism pulse laser deposition thin film

Our current CDs and DVDs store data along a narrow spiral track in a thin layer of polycarbonate plastic.

我们现在的CD和DVD沿着一个狭窄的螺旋轨道把数据储存在一个微笑的塑料里。

Our current CDs and DVDs store data along a narrow spiral track in a thin layer of polycarbonate plastic.

我们目前的CD和DVD上存储数据沿着一条狭窄的螺旋轨道一层聚碳酸酯塑料。

Asiaticoside and madecassoside can be obtained in a 20 min runtime, and the purities of the products were detected by melting point, thin layer chromatography and HPLC method.

在20 min的运行时间内，积雪草甙和羟基积雪草甙与干扰成分得到很好的分离，产品纯度达到98%以上。

The theory of thin-layer drying equations was used to set up a drying model which could simulate recirculating grain dryer.

论述了利用薄层干燥方程理论建立的可模拟循环式谷物干燥机的干燥模型。

Content determination of Cholic acid of Sanchenwan pill using Scanning method of thin layer.

用薄层扫描法测定胆酸的含量。选用硅酸G薄层板，展开剂为正己烷∶乙酸乙酯∶醋酸∶甲酸(6∶3 2∶1∶1)；测定波长：62 0nm 。试验表明，本法线性关系良好(r =0 。9984)，平均回收率为 98.2 7%，RSD =2 。1%，方法简便、准确、重现性

A suit of electrochemical cell which was used to in vestigate the corrosion behavior of metals under different thin layer electrolyt e was designed.

设计了用于研究金属材料在薄层液膜下腐蚀行为的参比电极后置式三电极电化学测量电池，并用此研究了铜在薄层液膜下的阳极极化行为。

According to the clear water experiment, aeration performance of the new equipment is good with high total oxygen transfer coefficient and oxygen utilization ratio.

曝气设备的动力效率在叶轮转速为120rpm～150rpm时取得最大值，此时氧利用率和充氧能力也具有较高值。

The environmental stability of that world - including its crushing pressures and icy darkness - means that some of its most famous inhabitants have survived for eons as evolutionary throwbacks, their bodies undergoing little change.

稳定的海底环境─包括能把人压扁的压力和冰冷的黑暗─意谓海底某些最知名的栖居生物已以演化返祖的样态活了万世，形体几无变化。