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- Keywords tridecyl-dimethyl-（2-sulfurous acid）-ethyl ammonium;four benzene boron sodium;against the titration; 十三烷基二甲基（2-亚硫酸）乙基铵;四苯硼钠;反滴定;
- four benzene boron sodium 四苯硼钠
- Boron sodium oxide;Sodium tetraborate;boric acid, disodium salt;anhydrous borax;borax;fused borax;fused sod ... 四硼酸钠;四硼酸钠，无水;无水四硼酸钠;无水硼砂香港
- METHODS To identify the component of prescription,absorption spectrometry and method of tetraphenyl boron sodium to quantitative analysis the active component were used. 方法对处方成分进行定性鉴别,采取紫外分光光度法、四苯硼钠法对有效成分进行定量分析。
- An investigation is also made on determining DMDAAC qualitatively by bromophenol blue test and quantitatively by tetraphenyl boron sodium precipitation reac... 用溴酚蓝对DMDAAC进行定性分析，用四苯硼酸钠及折光率法进行定量分析的方法进行了探讨。
- It is clear to all of us that two plus two is four. 二加二等于四对我们大家都很清楚。
- He wove four plots together into a novel. 他把四条情节编成一部小说。
- We have tea at four o'clock in the afternoon. 我们在下午四点钟喝茶。
- The town boasts four swimming pools. 这座城镇以拥有四个游泳池而自豪。
- Our football team won by four goals to nil. 我们的足球队以四比零取胜。
- He lay back and hit the ball for four. 他向后弯身击中球，得了4分。
- I was clean broke in less than four days. 不到四天我就一个钱也没有了。
- I'll look out for you at about four. 我4点钟左右找你。
- He showed us four case studies of disturbed girls. 他给我们看了4位精神失常姑娘的病历。
- My house is four miles distance from the sea. 我家离海四英里。
- Our team beat them hollow by four clear goals. 我们队以净胜4分彻底击败了他们。
- The leap year comes around once in four years. 每四年有一个闰年。
- The soldiers counted off from the left by four. 士兵们从左起四个一组大声报数。
- He wooed four girls before finally marrying one. 他在结婚之前曾向四个姑娘求过婚。
- Four avenues radiate from the square. 四条林荫大道从那广场向四方延伸。
