The intermediate were purified by recrystallization. The analysis of purity of the products was studied through HPLC.
用重结晶法对所合成的中间体进行了提纯 ，并用高效液相色谱对产物纯度进行了分析。
It is reveal by GC analysis that the purity of the TMP, treated by reduced pressure distillation and recrystallization in acetic ester, approximates to that of the reagent grade TMP.
GC分析结果表明：采用减压蒸馏及乙酸乙酯重结晶并用的方法精制的TMP纯度接近于试剂级TMP。
HPLC methods were used for the qualitative and quantitative analysis. The purity of carotene crystal was 88.56% by HPLC method.
用高效液相色谱对纯化样品进行了定性和定量分析，结果显示三次重结晶后胡萝卜素纯度为88.56%。
It can be wide used in maize seed purity identification, genetic background analysis of maize germplasm, fast selection and screening of target gene, maize inbred lines purification, et al.
该项技术可以应用到玉米种子纯度及真伪快速鉴定，玉米种质资源的遗传背景分析、目标基因的快速跟踪筛选、玉米自交系的快速提纯等方面，具有广阔的应用前景。
The process of photolyzing ADN was measured by IR analysis, the purity and apparent storage life of photolyzed ADN were tested by the liquid chromatogram.
通过IR分析检测了ADN的光解变化趋势，通过液相色谱分析了ADN的纯度和宏观光解储存寿命。
The present status of production, process . specification and analysis method of high purity hydrogen peroxide both at home and abroad are introduced.
介绍了国内外高纯过氧化氢生产情况、生产方法、产品质量指标和分析方法。
GC-MS method of testing was carried on quantitative analysis to the monomer purity after being purified finally, the result was revealed that is up to 95% for the purity after being purified.
采用GC - MS测试方法对提纯之后的单体纯度进行定量分析，结果显示为提纯之后的单体纯度达到了95%。
This paper has introduced the thermal analysis methods applied in the determination and study of the purity, melting property, changes of water contents, structures and preparation of drugs.
本文介绍了热分热方法在测定药物纯度判断药物的熔化特性。研究药物结构及剂型选择，测定含水量变化等的应用。
The extraction, purity, analysis and identification of chondroitin sulfate of ox were studied in this paper. The method of preparation for chondroitin sulfate was developed too.
研究了牛的硫酸软骨素的提取、分离、纯化及分析鉴定。开发了一条切实可行的生产硫酸软骨素的工艺方法。
This paper makes an analysis of some specific characters from her poems, the purity in such images, the figures created by male poets, and the contributing factors of the above differences.
本文从其词中塑造的女性纯情美的具体表现、女性形象纯情美与男性作家词中女性形象的区别及原因分析等方面进行了探讨。
The powders were tested by chemical composition analysis and construction analysis. The size of the powder, the purity and the specific area were all better than those of standard.
通过正交实验得出最佳反应条件，制得的超细氧化锌粉料经组分分析、结构分析表明，其粒径、纯度、比表面积和晶型均符合相关标准。
With adoption of SSR mark technology, the DNA extraction method can be effectively employed in seed purity analysis and marker aided breeding activity.
结合采用SSR分子标记技术，此DNA提取方法可有效地用于玉米种子纯度检验和分子标记辅助育种。
A new capillary electrophoresis method was established for the optical purity analysis of levodopa.
建立了一种毛细管电泳测定左旋多巴药片光学纯度的新方法。
SDS-PAGE was used to detect the purity of target protein. A higher bioactivity of purified products was shown by the determination of dot-blotting assay and fibrinogen-clotting analysis.
通过SDS - PAGE检测融合蛋白的纯度，采用点杂交和纤维蛋白凝结活性检测分析，显示纯化产物具有较高生物活性。
This paper described that the working theory and characteristics by high frequency argon discharge gas chromatograph, application of analysis cum in high purity argon product.
本文叙述了高频氩放电离子气相色谱的工作原理、特点；以及在高纯氩气产品分析中的应用。
The influence of the purity of graphite electrode on AES analysis is studied thoroughly and reported in this paper. A method for the testing of the purity of graphite electrode is proposed.
石墨电极的纯度对光谱分析的影响只是在一些书中提及，未作试验研究和分析，对电极的纯度的检验未作有效论述。
RESULTS: FCM analysis proved that both purity and activity of obtained NK cells were high.
结果：经f CM分析证实，获得高纯度、高活性的NK细胞。
The physicochemical properties of this dipeptide were identified with melting point determination, amino acid analysis, elements analysis and MS and its purity was determined with HPLC.
采用熔点、氨基酸组分分析、元素分析、质谱等方法对其结构进行鉴别，用高效液相色谱法确定其纯度。结果合成的双肽经理化检测，质量高。
Methods for purity analysis of trans 4 ethylcyclohexanecarboxylic acid are reported in this paper.
报道了反式4-乙基环己烷甲酸纯度的分析方法。
Thecontents of metal impurities in the bismuth products obtain the standards of the analysis reagent and the contents of anions obtain the standard of the grade of chemical purity.
然后再由铋精矿制取铋的化工产品，这些铋品中的金属杂质元素含量都达到分析纯要求，有少量产品阴离子纯度有待提高。
Quantitative analysis indicates that the purity of hydrogenation product, 4-ACCA, is 96.8% and 4-ACCA exists mainly in the form of cis structure.
定量分析结果表明，产品对氨基环己烷甲酸的纯度可达到96.8％，而且以顺式结构为主。
It is important to study the methods of checking chromatographic peak purity of explosives for preparations qualitative and quantitative analysis of the substance.
因此研究炸药色谱峰的峰纯度判别方法对于利用色谱峰来进行物质的定性、定量分析或制备有着至关重要的意义。
The raising of organic solvent purity can lengthen the life-span of expensive chromato scrubber, improve analysis quality, spare the manpower and financial resources.
所用有机溶剂纯度提高后，对延长昂贵的使用、提高分析质量、节省人力财力有一定作用。
The present paper deals with the development of the interference coefficient method for correcting the spectral interferences in the analysis of high purity Dy_2O_3 with ICP-AES spectrography.
本文建立了高纯氧化镝样品ICP摄谱分析时干扰系数法校正光谱干扰的方法。
The method is sensitive, rapid and easy to operation, and meets the requirement for the product analysis of 4 -5N high purity europium metal and its oxide.
方法灵敏、快速、简便，满足4～5N高纯金属铕及其氧化物产品分析的要求。
The optimum technological conditions were determined by orthogonal test and extreme difference analysis. The yield of product reaches over 80%, and the purity is up to 94%.
通过正交设计及极差分析法确定了最佳工艺条件，产品收率达80%以上，纯度可达94%。
The numerical analysis of this ECRM shows that this configuration nay operate at millimeterand submillimeter wavebands effectively and provide very high output power with high mode purity.
前者使它能有效地工作在直到亚毫米波段，后者能提供强大的输出功率。 此外谐振腔优异的模式分割能力有利于提高模式纯度并保证稳定的工作。
Purity analysis after immunofluorescence staining revealed that the ratio of number of A2B5-positive cells to that of DAPI-positive cells was 98.14%.
免疫荧光染色后细胞纯度分析显示，A2B5染色阳性细胞占DAPI染核细胞的百分比为98.14%。
RAPD and salt-soluble protein PAGE analysis were used in seed purity assessment of 21 hybrid corn combinations in Jilin Province.
以吉林省玉米主推杂交种21个组合为试材，利用RAPD法与盐溶蛋白法（PAGE）进行了鉴定品种与杂交种纯度的对比试验。
Check purity of DNA by electrophoresis and spectrophotometric analysis.
电泳和分光光度计检测基因组dna纯度。
应用推荐