查询词典 chromatographic

Molecular topological research has been applied to corrlelate hydrogen connectivity indices of 34 alkanes in naphthas and the chromatographic retention index in the gas chromotography.

通过计算石脑油中 34种烷烃的氢连接性指数，用多元线性回归将它与毛细管气相色谱保留指数进行关联分析获得良好的相关性，相关系数R为 0 。990 0 ，标准偏差 s为 15 。2 4 。

Objective To establish a gas chromatographic method with carbon disulfide desorption for benzene ,toluene and xylenes in time-weighted averageconcentration in the workplace air.

目的 建立工作场所空气中苯系物的时间加权平均浓度气相色谱测定方法。

Some of the Tang Dynasty have been unearthed in Turpan made silk fabrics chromatographic analysis, a total of 24 kinds of colors, which are silver red red, polygoni orientalis, scarlet, purpurea,绛紫; yellow have鹅黄, Huang Ju, armeniacum, golden,土黄, TB; green, blue egg blue, Azure, Turquoise Blue, Blue, Red Green, Navy; HU green green, pea green, leaf green, fruit green, dark green and so on.

有人曾对吐鲁番出土的唐代丝织物作过色谱分析，共有24种颜色，其中红色的有银红、水红、猩红、绛红、绛紫；黄色有鹅黄、菊黄、杏黄、金黄、土黄、茶褐；青、蓝色有蛋青、天青、翠蓝、宝蓝、赤青、藏青；绿色有胡绿、豆绿、叶绿、果绿、墨绿等。

Pure methyl esters were prepared using common oil plant seeds and the fatty acid composition of the achieved oil was measured by capillary column chromatography.The kinds and dosage of reagents for fast preparation of the methyl esters were investigated and the chromatographic conditions using two kinds of capillary columns were optimized.

本研究通过参考文献，直接使用常见油料植物种子制备纯油甲酯进行分析，探讨了快速制备甲酯的试剂选择及用量，强极性和弱极性的两种不同类型毛细管柱的最佳色谱分析条件，并将测定的主要脂肪酸含量与国家标准进行比较，结果较为一致，而且平行测定的相对标准偏差表明方法有较好的精密度和重复性。

Results:The four stereoisomers of soman were well separated by the chiral capillary gas chromatographic column.

真正能实现梭曼 4个异构体分离测定的是手性毛细管柱的气相色谱或气质联用法。

A sensitive and credible gas chromatographic method for analysis of soman stereoisomers was established to observe its elimination in blood of rabbit after intoxicated with soman via vein.

建立梭曼手性异构体气相色谱分析方法以研究兔静脉染毒后血中游离梭曼的消除过程。

High Performance Liquid Chromatographic Determination of Major Phenolic Compounds in Mainstream and Sidestream Cigarette Smoke

建立了采用高效液相色谱直接分析卷烟主流和侧流烟气中7种主要酚类成分的方法。

According to the relative rented times and the relative area resultants in chromatographic fingerprint, a comparison is conducted with fuzzy cluster analysis.

采用热裂解色谱／质谱法研究茶叶的指纹图谱，考察了热解温度、热解时间对指纹图谱的影响。

Bap concentrations in petroleum asphalt were determined using the high-performance liquid chromatographic technique.

Bap含量，石油沥青仅含0.0004％～0.0008％，而煤焦沥青中含0.46％。结论：石油沥青急性经口属微毒物质，在常温及非高温加热融化情况下，不具有动物致癌作用。

The chromatographic parameters of these racemates on AD, OD and OJ columns at various ratios of hexane/2-propanol were examined.

考察了它们于不同浓度配比的这类洗脱体系中在柱上的色谱行为。

And Pharaoh spoke to Joseph, saying, Your father and your brothers have come to you.

47：5 法老对约瑟说，你父亲和你弟兄们到你这里来了。

Additionally, the approximate flattening of surface strip using lines linking midpoints on perpendicular lines between geodesic curves and the unconditional extreme value method are discussed.

提出了用测地线方程、曲面上两点间短程线来计算膜结构曲面测地线的方法，同时，采用测地线间垂线的中点连线和用无约束极值法进行空间条状曲面近似展开的分析。