chromatograph造句
1. The model 311 gas chromatograph is a self-contained unit with an isothermal oven, heated injector and detectors.
2. The programmer forms the heart of the process chromatograph.
3. This introduces application of thin layer chromatograph, HPLC and NMR on separating and analysis of lipositol.
4. The reagent free ion chromatograph ( RFIC ) method was established for quantitative analysis of glyphosate.
5. The synthesized peptide was purified by the chromatograph and identified by mass spectrograph.
6. Positions on the chromatograph of intermediate 1 and secondary product B were determined, and endpoint control of the reaction was established according to the chromatograph.
7. A liquid chromatograph - mass spectrometric method for the determination of sodium cyclamate in food had been established.
8. We use an ion chromatograph ( reagent free ) to test for nitrates, calcium and strontium.
9. However the industrial chromatograph is long-term and on-line moving except major failure happening and equipment overhaul.
10. A union operation method of chromatograph mass spectrometer was applied in analyses of volatile oil compositions in flowers and leaves of Radix Ginseng.
11. Quantitative determination of jasminal by gas chromatography was studied. A quick, convenient, accurate method was obtained in the analysis of jasminal by GC16A gas chromatograph.
12. Chapter 3 came across as a sales brochure for one of the companies selling packed column supercritical fluid chromatographs.
13. The basic principle of vacuum braze and its application in manufacturing gas chromatograph are described.
14. In situ CH4 flux from soil of coniferous and broad-leaved mixed forest in Dinghushan Biosphere Reserve was measured for one year by using static chamber-gas chromatograph technique.
15. This paper determine tiny benzene and toluene of the waxes by head-space gas chromatograph with Flame Ion Detector. The method is accure, rapid and repeatable easily.
16. Methods A new compound was isolated by the silica gel and Sephadex LH-20 column chromatograph, and identified by the physicochemical characters and spectroscopic analysis.
17. The determination method of ethylene chlorohydrin content by using FID chromatograph polyethylene glycol 20M chromatographic column was introduced.
18. The method that analyzes the purity of toluene diisocyanate by capillary gas chromatograph was established.
19. The liquid product from the ammoxidation of propene to acrylonitrile was analyzed by means of coupling the Type 103 gas chromatograph with a computer.
20. The shortcomings of general pulse technique, tail gas technique and stopped-flow technique in catalytic research might be overcome by using pulse catalytic chromatograph branch-flow technique.
21. A new test method, in which alkyne impurity content in 1,3-Butadiene is determined by a capillary gas chromatograph, was introduced.
22. The course of aromatization reaction of amylene was studied by a high pressure micro reaction - chromatograph.
23. Free amino acids s content and composition in Litchi fruit stones extraction and eluate by 732 cation exchange resin were determined by ICS-2500 Ion chromatograph.
24. To extract the alkaloids with acidic solution and organic solvent, and to isolate tetrandrine and fanchineline with column chromatograph and thick-layer chromatograph.
25. It is significant to refit capillary column a general gas chromatograph to make it more useful.
26. There were not n-hexane, benzene, toluene and xylene, o-xylene, styrene and other organic solvent residue in the purification of apple polyphenol by the headspace gas chromatograph.
27. The gas adsorption means is a packed adsorption bed in a chromatograph.
28. A systematic study of hexafluoroacetone hydrate has been carried out by introducing gas chromatograph, mass spectroscopy and nuclear magnetic resonance spectroscopy.
29. Flow-DTA adsorptive calorimetric system constructed by the combination of Differential Thermal Analysis (DTA) and Gas Chromatograph is described in this paper.
30. The G - XYZ anion suppressor made in china was applied on DX - 500 ion chromatograph.
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