查询词典 spectrophotometry

Total nitrogen and total phosphorus in water were determined by microwave digestion and flow injection spectrophotometry using basic potassium persulphate as digestion solution.

以碱性过硫酸钾溶液为消解液，采用微波消解-流动注射分光光度法测定水中总氮和总磷。

In this paper, the conditions on the determination of the Fe and Fe by phenanthroline spectrophotometry were investigated. The maximum absorption wavelength and stability of complex were studied.

中文摘要：摘要：研究了邻菲啰啉在一定波长下测定Fe和Fe的条件，考察了配合物的最大吸收波长、配合物的稳定性等。

The hydroxyl free radical scavenging rate was determined by phenanthroline spectrophotometry, and the antilipoperoxidant was determined by colorimetry.

采用邻二氮菲分光光度法测定经自由基的清除率，比色法测定其对脂质过氧化的抑制作用。

Condition filter experiments for determination of the iron by phenanthroline spectrophotometry in the genral textbook are single factor experiments, and there are some problems in the experimental design.

普通教材中邻二氮菲分光光度法测定铁条件选择实验都是单因素条件实验，不够全面，实验设计中也存在一些问通。

Signal multiplier spectrophotometry was used for the determination of baicalin, clorogenic acid, phillyrin and pH variation when shuanghuanglian with 5 kinds of intravenous solution and penicillin injection was mixed.

本实验应用系数倍率法测定双黄连粉针与5种输液及青霉素配伍时黄芩苷、绿原酸、连翘苷的含量，并考察pH值变化。

Fungal elicitors were extracted from Colletorichum lagnarinm, Phoma filtrate, Fusarium oxysponum, Asperillus niger and culture with HRPG. The total ginseng sponin and four kinds of monomeric sponins were analysed by UV spectrophotometry and RP HPLC.

提取黄瓜炭疽病菌 Colletorichumlagnarinm 、青菜炭疽病菌 Phomafiltrate 、棉花枯萎病菌 Fusariumoxysponum 、黑曲霉 Asperillusniger 中的真菌诱导子与人参毛状根共培养，应用HPLC及比色法对培养物中总苷及几种单体皂苷进行分析测定。

Using tin bichloride-glycerol mixed solution as reductant,the determination method of phosphorus content for bioceramic base-material-β-calcium phosphate with phosphomolybdate blue spectrophotometry has been established.

以二氯化锡-甘油混合液作还原剂，建立了用磷钼蓝分光光度法测定生物陶瓷基材β-磷酸钙中磷含量的方法，确定了最佳测定条件。

Traction and by adoption of spectrophotometry to direct measurement of concentration of picric acid in desulfurized solution, a new method for determination of the concentration of picric acid in desulfurized solution.

摘 要：通过苦味酸与结晶紫缔合，利用环己烷萃取，采用分光光度法直接测定脱硫液中苦味酸的浓度，从而建立了1种测定脱硫液中苦味酸的新方法。

Methods Spectrophotometry was used to study the activity of PLAP in the presence and absence of L Leu. PLAP relative activity was calculated according to the absorbance variation.

方法应用分光光度法分别测定有L－Leu和无L－Leu存在下的酶活力，根据其活力变化求出酶的相对活力；用双倒数作图法，确定L－Leu对PLAP的抑制类型并求出其抑制常数；同时也观察了pH对抑制作用的影响。

Fluorometry was used to observe the intrinsic fluorescence emission spectra, and spectrophotometry was used to measure the activity of PLAP in PCP solutions of different concentrations.

五氯酚 (Pentachlorophenol，PCP)广泛用于血防灭钉螺、木材防腐、杀菌消毒及防霉等方面，是一种环境污染剂，对动植物和人体均有较大的毒性[1-3]。

But we don't care about Battlegrounds.

但我们并不在乎沙场中的显露。

Ah! don't mention it, the butcher's shop is a horror.

啊！不用提了。提到肉，真是糟透了。