分光光度测定

Methods The determination was performed by spectrophotometry, and compared with flame atomic absorption spectrometry.

方法采用分光光度法测定，并与火焰原子吸收光谱法进行对比。

It is feasible to determine micro-rivanol in urine by using this fluorescence spectrophotometry.

现拟采用新的荧光分光光度法来测定尿液中痕量的利凡诺［8］。

A new method for the determination of Bi in water sample by thin layer resin phase spectrophotometry was developed.

提出了薄层树脂相分光光度法测定铁的新方法。

The determination of total sterol in soybean was studied by improved spectrophotometry.

采用改进的分光光度法测定大豆总甾醇含量。

Methods］ MTT assay was employed to test the lethal concentration 50 (IC50) of sensitive germline (SK-OV-3) and ovarian cancer cell subline induced by ADR (SK-OV-3/adr) treated by 4 drugs, resistance index and reverse multiple were calculated. The changes of drug content were observed by fluorescence microscope, the intracellular accumulation of ADR was evaluated by fluorospectrophotometry, the changes of mdr 1/P-gp resistance were observed respectively by RT-PCR and Western blot.

方法］MTT法检测药物对敏感细胞株（SK-OV-3）和诱导的耐药细胞株（SK-OV-3/adr）的半数致死浓度（IC50），计算耐药指数和加逆转剂后的逆转倍数，荧光显微镜观察不同时间细胞内的药物含量变化，荧光分光光度法测定细胞内ADR的含量，RT-PCR和Western blot法检测细胞耐药前后mdr1/P-gp的变化。

Objective To establish a spectrophotometry method for determining the contents of ferrum in ferrous succinate tablets.

目的 建立分光光度法测定琥珀酸亚铁片中铁的含量的方法。

A thiocyanate differential spectrophotonetry method was used to determine the high content tungsten and satisfactory results were obtained.

采用硫氰酸盐示差分光光度法测定高含量的钨，取得了较好的效果。方法的回归方程较好，相关系数为0.99995；样品回收率为99.3%～100.2%，RSD为0.28

Mercury thiocyanate spectrophotometry is used in determination of hydrochloride in air.

硫氰酸汞分光光度法测定空气中氯化氢，方法试剂空白不稳定，控制显色温度和硫氰酸汞—乙醇溶液的制备是降低并稳定试剂空白的关键所在。

A new fading spectrophotometric method for the determination of chromium is proposed, based on the decoloration of thoron Ⅱ oxidized by chromium in the medium of 0.32 mol/L sulphuric acid.

基于在0.32 mol/L硫酸介质中，铬氧化钍试剂Ⅱ褪色，提出了钍试剂Ⅱ褪色分光光度法测定铬的新方法。

The contents of Zn, Cu, Fe and Ni in three kinds of Yingpingwanbixiao and a kind Yingpingwanbitong were determined by FAAS .

采用火焰原子吸收分光光度法测定3种英平顽痹消和1种英平顽痹通中锌、铜、铁、镍的含量，结果表明，该类药物中4种微量元素的含量均较丰富。

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。