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1·Concentration of RNA was determined by ultraviolet spectrophotometer.

紫外分光光度计测定rna浓度。

2·The absorbency of BSA was measured with the ultraviolet spectrophotometer.

采用紫外分光光度法测定bsa的吸附量。

3·The content of DNA in bone marrow cells was measured with ultraviolet spectrophotometer.

用紫外分光光度计测定骨髓细胞内dna的含量。

4·The content of polynitropolyphenylene in an insensitive and highly energetic booster explosive is determined using a 751G ultraviolet spectrophotometer.

本文利用 75 1G型紫外分光光度计测定了钝感高能传爆药中多硝基聚苯撑的含量。

5·The method of ultraviolet spectrophotometer which adopt 5% trichloroacetic acid depositing plasma protein firstly, was introduced to detect plasma MMS concentration.

利用5%三氯醋酸沉淀蛋白质的紫外分光光度计法来测定各组血浆MMS含量。

6·Using baicalin as the standard sample, the flavone substances in pollen of Yunnan pine were determined through methyl alcohol back flow extraction and ultraviolet spectrophotometer.

以黄芩甙为标样，对云南松花粉中黄酮类化合物采用甲醇回流提取，用紫外分光光度法进行测定。

7·It is preliminary studied the ultraviolet absorption character of CeO2 nanoparticles were used for degrading helianthine with the help of the 721-type spectrophotometer.

本试验借助于721分光光度计对纳米二氧化铈的紫外吸收光降解性能进行了初步研究。

8·The application of USB2.0 communication technology in ultraviolet-visible spectrophotometer is introduced.

介绍了USB2.0通讯技术在紫外-可见分光光度计上的应用。

9·So the vacuum ultraviolet multichannel spectrophotometer is also used to analyse HK-40 alloys by controlled exposure method with the aid of experimentally calibrated curves.

再用真空光量计定时曝光法成功地分析了HK-40合金，并作出了其工作曲线。

10·Methods The enzyme activities were measured in vitro with an ultraviolet-visible spectrophotometer.

方法采用紫外可见分光光度计活体测定酶的活性。