查询词典 quantitative determination

Objective A HPLC with fluorescence detection method was developed and validated for the quantitative determination of hematoporphyrin monomethyl ether in dog plasma.

目的建立测定血浆中血卟啉单甲醚的HPLC-荧光检测法，并用以进行HMME在犬体内的药代动力学研究。

A new method using gel permeation chromatographic cleanup followed by high performance liquid chromatography-tandem mass spectrometry has been established for quantitative determination of Maleic hydrazide,Prowl and butralin residues in tobacco.

建立了用凝胶渗透色谱净化-液相色谱-串联质谱分析烟草中3种抑芽剂残留的方法。卷烟中的待测抑芽剂组分用V∶V=1∶1超声提取后通过凝胶渗透色谱净化；凝胶色谱柱为Biobeads S-X3玻璃柱(50 g，400 mm×25 mm)，流动相为V∶V=1∶1溶液，流速5 mL/min；收集第10~25 min流出的液体用液相色谱色谱-三重四极杆串联质谱仪测定。

Objective To establish a HPLC methods for the quantitative determination of biochanin A,pinocembrin,medicapin,sativanone and naringenin in Lignum Dalbergia odorifera.

目的建立降香中鹰嘴豆芽素A、生松素、麦地卡品、sativanone和柚皮素的含量测定方法。

A quantitative determination method for polyphenol content in luffa was studied by using Folin-Ciocalteu colorimetry with gallic acid as standard.

以没食子酸为标准品，采用Folin-Ciocalteu比色法研究了丝瓜中多酚的定量测定方法。

A HPLC method was established for the quantitative determination of lutein in foods.

为了建立测定食品中的叶黄素含量的可靠方法，采用高效液相色谱法进行了测定。

The separation and quantitative determination of mono- and disulfo components in KPS-2 are performed by using HPLC technique.

流动实验结果表明单、双磺酸盐在岩心砂上的吸附有明显的差别，是导致KPS-2的色谱效应的主要因素。

MethodsThis paper studied a quantitative determination of L-arginine with α-naphthol and 2,3-Butanedione in detail.

方法用坂口试剂(α-萘酚和 2，3-丁二酮)定量测定L-精氨酸的含量。

5We established a test method for the quantitative determination of trace neptunium by fluorescence of replacement.

建立了置换荧光法测定微量Np的方法。

Conventional radiochemical methods such as alpha spectrometry, neutron activation analysis, liquid scintillation system, fission track and gamma spectrometry for the quantitative determination of neptunium and plutonium often require complicated and time-consuming sample preparation and separation procedures.

研究环境中铀、镎、钚等长寿命放射性核素的精密测定，对保护公众安全和保护环境，对了解核设施的历史操作情况和现状，都具有重要意义。环境样品基体复杂，铀、镎和钚等锕系元素含量非常低，在复杂的生态条件下，这些核素常常具有复杂多变的化学形态，要准确测定其含量，必须要有灵敏可靠的检测方法。

Objective To develop a method for quantitative determination of biological activity of osteoclast suppressor using osteoclast as a model.

目的 以破骨细胞为模型，建立抑制破骨细胞功能药物的生物活性定量测定方法。

The split between the two groups can hardly be papered over.

这两个团体间的分歧难以掩饰。

This approach not only encourages a greater number of responses, but minimizes the likelihood of stale groupthink.

这种做法不仅鼓励了更多的反应，而且减少跟风的可能性。