浓度测定

Three pairs of elite cell lines from octoploid triticalespikes were selected for screening experiment of salt-tolerant somaclonal variants under different selection pressures.

从八倍体小黑麦的单、双倍体来自同一植株的成对愈伤组织细胞系中，选择了三对在盐分浓度不同的培养基上进行变异体筛选，并测定耐盐变异体的出现频率。

The Anton Paar Density and Sound Velocity Analyzers combine two independent parameters, density and sound velocity, to cover a wide range of applications such as quality control in beer and soft drink production, concentration determination of sulphuric acid and oleum or ternary solutions.

安东帕密度和声速分析仪结合两种独立参数--密度和声速，覆盖大范围的应用如：啤酒和软饮料生产中的质量管理、硫酸、发烟硫酸或三元混合液体浓度的测定。

objective to investigate the influence of dit on the proliferation of human thyrocytes and compare dit with ki.to study a good kind of supplement to usi that was safe and effective.methods the human thyroid epithelium cells from para-adenoma normal tissues from thyroid adenoma patients were cultured in the absence or presence of 10-8～10-3mol/l dit or ki.mtt method was employed to obtain the proliferation of cultured human thyrocytes.

取甲状腺腺瘤旁正常甲状腺组织，应用原代细胞培养技术进行细胞培养，以不同浓度(10-8～10-3mol/l)的dit和ki刺激单层培养的甲状腺细胞，采用四甲基偶氮噻唑蓝法测定各组甲状腺细胞的增殖情况。

With the combination of heat pipe technology and catalytic reactor,a novel-style ophidian loop heat pipe chemical reactor was established,by which an industrial sidetrack experiment with methyl tert-butyl ether synthesis was carried out.

将热管技术与催化反应器结合，构建了蛇形回路热管反应器。利用该反应器，进行了轻烃醚化工业侧线试验，考察了进料温度、液相体积空速、冷却水流量、进料浓度对反应结果的影响；测定了催化床层的轴向温度分布。

Whereas, for CPP2 produced by both pancreatin and Neutrase, the Ca/Porg was 0.70 and 0.52 at 30 and 35℃ respectively.

CPP2的作用效果随温度和Ca：P变化的趋势与CPP1一致，在上述三种测定条件下，最低有效浓度分别为5、25和100ppm，均与CPP1相同。

Methods The in-vitro relative recovery was assayed by HPLC at different temperatures and in perfusate including different concentrations of alcohol, and then the mass transfer coefficient was calculated.

采用高效液相色谱仪分别测定不同温度下灌流液中乙醇的不同浓度对探针体外相对回收率的影响，并计算物质转移系数。

Methods In situ single pass perfusion model was used and the concentrations of three components in perfusate were determined by HPLC in combination with diode array detection.

运用单向灌流模型并采用HPLC法同时测定莪术油中三成分在灌流液中的浓度。

Methods The model of in situ intestinal perfusion was applied in this research and HPLC method was established to determine the concentration of Nizatidine and phenolsulfonphthalein in the perfusate in order to calculate the absorption parameter of Nizatidine.

运用大鼠原位肠灌注模型，采用高效液相色谱法测定肠灌注液中药物和酚红的浓度，计算尼扎替丁在各部位的吸收参数。

The concentration of plasma renin active, angiotensin Ⅱ and NO were measured before operation and after operation 1,4,7,10,15,21 days. The histopathological changes of pericardium, myocardium, lung and liver were observed in the adopted specimens.

分别于术前和术后 1、4、7、10、15、2 1天采血测定血浆肾素活性、血管紧张素和 NO的浓度，观察心包、心肌、肺和肝的病理改变。

Thirteen healthy volunteers were orally administered 1.25 g phenacetin and the concentrations of phenacetin and its metabolites in their sera and urine were determined with the described LC-MS/MS method.

测定13名健康受试者口服非那西丁1.25 g后血清和尿液中非那西丁及其代谢产物的浓度。

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！