以HNO3和H2O2溶解样品,建立了顺序注射氢化物发生-原子荧光法测定豌豆粉丝中硒的分析方法。
With HNO3 and H2O2 digestion, a method for determination of selenium in pea vermicelli by sequence injection hydride generation-atomic fluorescence spectrometry was developed.
对桔梗不同器官总皂苷含量的测定结果表明:总皂苷含量从高到低的顺序依次为;花、子房、叶、侧根、芦头、根皮、芦头下、主根、茎。
The platycodoside contents in different organs showed that the order from high to low was flower, ovary, top of reed, root leather, below top of reed, taproot and stem.
所有的测定按随机顺序在直径为1.5cm的区域进行。
All measurements were performed in random order within an area 1.5 cm in diameter.
本文在深入现场实地调研的基础上,通过对团城铁矿散体流动参数进行测定,确定了合理的回采顺序以及巷道、放矿口的最佳规格;
Then, the order of mining and the standard of the tunnels and the drawing-hole are fixed due to mensurating the parameters of the granular materials.
实验结果表明,顺序式扫描ICP - AES法可用于各种环境样品中金属和非金属元素的分析测定。
The experimental results showed that sequential scan ICP-AES method could be used for determining metallic and non-metallic elements in various environmental samples.
在相同的酸消解体系下,酸加入顺序对土壤样品中重金属元素测定有一定的影响,特别是对铬的测定影响较大。
In the same acid system, the sequence of adding acid can influence the assay of heavy metals in soil, especially of Cr.
所有测定的27个基因的排列不同于所有其它的节肢动物线粒体dna的基因排列顺序。
The arrangement of 27 genes of the mitochondrial DNA differs from that of the mitochondrial DNA in all other arthropods studied.
结果表明,不同的氯标准溶液、显色剂与水样的加入顺序和显色时间对测定的结果均有干扰。
The results showed that the standard solution of chlorine, sequence of color-developing agent and water sample and coloration time had influences on the test results.
具体结论如下:石墨发射剂的量和涂样顺序对硼同位素比值的测定有一定的影响。
The results showed as the following: The content of graphite as loading agent and the sequence of loading graphite and the sample to the filament affect the boron isotopic ratios.
对BDV阳性产物进行基因序列测定、同源性和氨基酸顺序分析,绘制系统发生树,初探bdv感染的分子流行病学特征。
Further, the gene sequence and amino acid sequence for BDV positive product were analyzed to establish the molecular epidemiologic characteristic by drawing phylogenetic tress.
对BDV阳性产物进行基因序列测定、同源性和氨基酸顺序分析,绘制系统发生树,初探bdv感染的分子流行病学特征。
Further, the gene sequence and amino acid sequence for BDV positive product were analyzed to establish the molecular epidemiologic characteristic by drawing phylogenetic tress.
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