微量测定

In the acid medium, through using the stability of the BaSO4 colloid suspension, a turbidimetric method was established for the determination of trace sulfate radical in boric acid.

研究在酸性介质中，利用BaSO4胶体悬浮液的稳定性，通过光电浊度仪测定硼酸中微量硫酸根的方法。

Methods:The minimum inhibitory concentration of the olive polyphenol against the common oral pathogenic bacterium was quantitatively determined with the agar-agar dilution method combined with the micro liquid dilution method.

选用质量控制标准菌株和临床分离的对多数抗生素耐药的菌株，采用琼脂稀释法和微量液体稀释法相结合的药敏实验方法，定量测定橄榄多酚对口腔颌面部感染常见病原菌的最低抑制浓度。

This method has been successfully applied to the detection of ammonia in waste water containing cyanide .

采用HgCl2为掩蔽剂，建立了以Nessler试剂为显色剂、用可见光分光光度计测定含氰废水中微量氨的方法。

Objective: To establish a simple and fast high performance method to determine trace antimony in packaging materials for food.

目的：建立简便、快速、高效的测定食品包装材料中微量锑的方法。

Methods Modified Columbia chocolate agar was compared with blood agar staphy stick for the primary isolation of Hi from sputa. The sensitivities of 20 antibiotics to Hi were determined in vitro by KB method and MICs of 12 antibiotics were determined by broth microdilution method. The clinical characteristics of 92 cases with lower respiratory tract infection by Hi were analyzed.

比较改良哥伦比亚巧克力琼脂与血琼脂加金黄色葡萄球菌划线对Hi的分离率；以Kribry-Bauer法测定Hi对20种抗生素的敏感性，以肉汤微量稀释法测定12种抗生素对Hi的最小抑菌浓度；分析92例Hi下呼吸道感染的临床特点。

RLS characteristics, the influencing factors and the optimum conditions of the interaction between Aurintricarboxylic Acid and Bovine Serum Albumin were studied.

在最佳实验条件下，对BSA的测定下限为20ng/mL，线性范围为0～0.6μg/mL，用于尿中微量蛋白质和合成样品的测定，结果满意。

The analytical method of spectrophotometric determination of trace impurities such as calcium + magnesium, iron, sodium chloride, silicon dioxide in deionized water is described in details, with which we have detected the deionized water and has proved that it can meet the need of industrial processing because it is simple,fast and durable.

详细描述了用分光光度计测定去离子水中的微量Ca2++Mg2+，Fe3+，NaCl和SiO2等杂质的分析方法，利用该方法对去离子水进行测定，证明该检测方法简便、快速、实用，能够满足生产需要；通过大量的实验数据，总结出规律，降低了分析频率，减少了生产成本。

The method is applied to the determination of nitrate ion in uranium dioxide sample with satisfactory results.

该法可用于测定二氧化铀产品中微量NO(上标-下标 3)，操作简单，可行性强，可以满足测定要求。

MethodsMinimum inhibitory concentrations of NAC,piperacillin,ciprofloxacin,and amikacinagainst P.aeruginosa were determined by the broth microdilution test.Interactions of NAC and above antibiotics were determined using chequerboard MIC assay.

方法应用微量肉汤稀释法测定NAC、哌拉西林、环丙沙星、阿米卡星对铜绿假单胞菌的最低抑菌浓度：应用棋盘法测定NAC与上述三种抗菌药物的联合抑菌效应。

The main component dehydroabietic acid and little component abietic acid, neoabietic acid, levopimaric acid and pulustic acid of a few types disproportionated rosin were determinated quantitatively by selecting the proper order of derivative, differential wavelength difference, scanning rate and quantitative method.

通过选择合适的求导阶数、微分波长差、扫描速度和定量方法，对不同批号的歧化松香中的主成分脱氢枞酸和微量组分枞酸、新枞酸、左旋海松酸及长叶松酸进行了测定(其中左旋海松酸和长叶松酸测定的是合量)，实验结果令人满意。

In the United States, chronic alcoholism and hepatitis C are the most common ones.

在美国，慢性酒精中毒，肝炎是最常见的。

If you have any questions, you can contact me anytime.

如果有任何问题，你可以随时联系我。