浓度测定

Methods 28 rabbits were randomly divided into three groups:control group,ischemia/reperfusion group and Safflor injection group.

方法28只家兔随机分为假手术对照组、缺血/再灌注组和红花注射液组，分别在缺血前，缺血30min，再灌注30、60、120min取静脉血，测定血清IL-8浓度，实验结束取脑组织观察脑超微结构的变化。

Effects of concentration of atrazine on growth of Scenedesmus quadricauda and Microcystis aeruginosa cultured in MA medium were studied by determining growth rate and content of chlorophyll a in laboratory.

在实验室内利用MA培养液培养，通过测定藻生长量和叶绿素a含量，研究不同浓度下的阿特拉津对铜绿微囊藻和四尾栅藻生长的影响，并以藻细胞数表示的最大比生长率为指标，评价2种藻对阿特拉津的敏感性。

The plasma concentration of total scopoletin in Dinggongteng Injection was determined by RP-HPLC.

用 PR-HPLC 法测定丁公藤注射液有效成分总东莨菪内酯在小鼠血浆中的浓度。

The plasma concentration of total scopoletin in Dinggongteng Injection was determined by RP_HPLC.

摘 要：用 PR-HPLC 法测定丁公藤注射液有效成分总东莨菪内酯在小鼠血浆中的浓度。

Aim To establish an RP-HPLC method for the determination of scutellarin in plasma and study its pharmacokinetics in dogs.

目的建立高效液相色谱法测定家犬血浆中灯盏乙素的浓度，研究灯盏乙素在家犬体内的药动学。

The activities of stomach and contact poison of the fermentation extracts of 39 strains were tested against the 3th instar larvae ofMythimna separata at the concentration of 500 u g/ml.

以粘虫为供试昆虫，在500μg／ml的浓度下测定了39株内生真菌发酵产物粗提物的胃毒和触杀活性。

The results showed that no obvious contact toxicities against the 3rd instars larvae of Mythimna separata Walker were observed in all treatment, and only the extract of Euonymus japonicus exhibited notable stomach toxicity.

采用微量点滴法和载毒叶片饲喂法测定30种药用植物乙醇提取物对粘虫3龄幼虫的触杀、胃毒以及拒食活性，结果表明供试样品在50 mg﹒mL~(-1)浓度下，冬青卫矛Euonymus japonicus Thunb。

The adsorption isotherms for mixture of xylose and sorbinose on 732Ca〓 and 732Fe〓 ion exchange resins are measured. All the linear equilibrium relationships are obtained in the experimental condition. The adsorption selectivity of 732Fe〓 is preferred.

本文用静态法测定了木糖—山梨糖混合溶液在732Ca〓型和732Fe〓型树脂上的吸附平衡关系，结果表明，在实验浓度范围内，吸附等温线为线性，732Fe〓型树脂的吸附选择性优于732Ca〓型树脂。

Methodswith yield of total flavonoids and the sum integral relative peak area of total flavonoids in hplc chromatograms as the index, orthogonal experiment was carried to investigate factors of temperature, solid-liquid leaching rate, concentration of alcohol, which impact the yield of total flavonoids from sorbus tianshanica rupr.

方法采用正交实验，分别以比色法测定总黄酮提出率和高效液相色谱图谱中总黄酮相对积分峰面积为指标，考察提取温度、料液比、醇浓度对天山花楸叶中总黄酮提出率的影响。

Based on this,first part of this work has established spectrophotometer and laser induced fluorescence spectrographic methods based on the liquid-core waveguide,and made it successfully apply to detecting iron and the cupric ion concentration.

基于此，本工作第一部分建立了基于液芯光纤的分光光度法和激光诱导荧光光谱法，并成功地应用于1，10邻二氮菲对铁的检测和催化荧光动力学方法对铜离子浓度的测定。

She gently rebuff ed him, but agreed that they could be friends

她婉言拒绝了，但同意作为朋友相处。

If in the penal farm, you were sure to be criticized.

要是在劳改农场，你等着挨绳子吧！