测定法

Methods The concentration of exhaled NO was measured by chemiluminescence method in 128 normal children (7～12 years of age) and 76 asthmatic children( 6～14 years of age). The FEV1% of asthmatic children was measured by a pocket spirometer at the same time.

采用化学发光法对128名7～12岁正常儿童和76例6～14岁哮喘患儿进行呼出气NO浓度测定，同时测定哮喘儿童一秒钟用力呼气容积(FEV1)及其占预计值百分比(FEV1%)。

Using fuji and new red star apple seed s as the material,the physical characteristics,the content of crude protein and crude fat were determined,the physicochemical properties and fatty acid composition of apple seed oil were also analyzed.

以富士和新红星两个品种的苹果籽为原料，测定了它们的物理参数及组成，并测定了经索氏提取所得的两种苹果籽油的理化性质，用气相色谱法分析了两种油脂的脂肪酸组成。

To screen resistant rice varieties in Liaohe Valley to the rice stem borer Chilo suppressalis Walker, development of and damage by the borer larvae on the varieties were examined using intact-plant resistance evaluation method, and morphological and biochemical characteristics and number of silica cells of the rice varieties were determined to explore the potential resistance mechanisms.

采用活体成株鉴定法测定了辽河流域主栽水稻品种对二化螟发育和为害的影响，同时测定了不同品种的主要形态特性、硅细胞数量和主要生化特性，评价这些品种对二化螟的抗性、分析其发生的可能机制。

This study systemically introduced the methods and technical conditions of determining stibium content of potassium pyroantimonate by using flame atomic absorption spectrophotometric method.

比较详细地研究用火焰原子吸收分光光度法测定焦锑酸钾中锑含量的技术条件和测定方法。

This method can get surface potential and surface charge density without the data of SSA and makes it more easy to measure the surface charge properties.

流动法实验结果比传统方法测定值偏高，而这种差异可能主要来源于传统方法所测定的比表面积偏高。

The sample was dissolved by hydrofluoric acid and hydrogen nitrate, then the tantalite and hydrofluoric acid formed TaF6- in the media of tartaric acid－hydrofluoric acid.

试样以氢氟酸、硝酸溶解后，在酒石酸－氢氟酸介质中，钽酸与氢氟酸形成阴离子TaF6-，与结晶紫生成蓝紫色的络合物，用苯萃取出来采用光度法测定钽量，测定结果均在国标允许误差范围内。

The PCR products respectively from a donor (TX2), a chronic hepatitis B patient (TX3), a chronic hepatitis C patient (TX4) and a hepatitis patient with unknown etiology (TX1) were sequenced by the dideoxy chain terminating method.

以套式聚合酶链反应测定TT病毒核酸，取献血员(TX2)、慢性乙型肝炎(TX3)、慢性丙型肝炎(TX4)及慢性非甲～戊型，非庚型肝炎患者(TX1)各1例TT病毒PCR阳性产物，以双脱氧核苷酸链终止法测定核苷酸序列。

Methods:the dispersible tablets was prepared by taking lose subsfrits hydroxypropyl cellulose and hydroxypropymethyl cellulose as excipient.the phenobarbital content in tablets was determined by uv spectrophotometry at 240 nm.results:the uniformity test of dispersion showed that the tablets could smoothly disperse and pass through a no.2 sieve within 1 min.

以低取代羟丙基纤维素、羟丙甲纤维素等为辅料研制该分散片，紫外分光光度法测定该片中苯巴比妥的含量，测定波长为240 nm。结果：分散均匀性试验表明该分散片在1 min内均匀分散并通过2号筛。

EDTA titration is the one of classical methods which determines the contents of calcium and magnesium,but because of the complicated component in the scale ,the phenomena that indicator was blocked would produce when we titrate calcium and magnesium contents in the crystallizer scale ,using average screening agent can't solve the problem.

EDTA滴定法是测定钙、镁含量的经典方法之一，但由于积垢成分比较复杂，在测定煮糖罐积垢中的钙、镁离子时，产生指示剂封闭现象，使用常规掩蔽剂不能解决此问题。

It use ascertaining end-point titrimetry to measure the end-point. It can be used to meansure the moisture content in chemical fertilizer medicine,foodstuff,chemical material and other industrial products.

采用"永停法"来测定终点，该仪器主要用于测定化肥、医药、食品、轻工、化工原料以及其它工业产品的水份含量。

Singer Leona Lewis and former Led Zeppelin guitarist Jimmy Page emerged as the bus transformed into a grass-covered carnival float, and the pair combined for a rendition of "Whole Lotta Love".

歌手leona刘易斯和前率领的飞艇的吉他手吉米页出现巴士转化为基层所涵盖的嘉年华花车，和一双合并为一移交&整个lotta爱&。

This is Kate, and that's Erin.

这是凯特，那个是爱朗。