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- Danofloxacin was separated on a Hypersil BDS C 18 column. 色谱柱为 Hypersil BDS C1 8柱 ;
- The free F ion of 18 F FDG is lower than 1% after one C 18 colum purification. 仅用一根 C- 18纯化柱纯化 ,超声法合成的 18F- FDG中 18F-含量低于 1%25。
- METHODS:Using Kesolve C 18 Colum,methanol-water (65:35) as the mobile phase,and detection wavelengh at 254 nm. 方法 :色谱柱 Kesolve C18; 流动相 :甲醇 :水 ( 78:2 2 ) ,检测波长 2 5 4nm。
- METHODS Kromasil C 18 column was used,mobile phase was MeOH Sodium acitate solution,benzoic acid was used as internal standard, the detection wavelength was 230 nmn. 方法 :采用KromasilC18柱 ;以苯甲酸为内标物 ;醋酸钠2 .;94g与稀醋酸 38
- This strategy utilizes HPLC involves a RP C 18 column, an ultraviolet detector at 230 nm to establish the chromatographic fingerprint of Phragmites communis Trin. 本实验报道了高效液相指纹图谱应用于快速检测中草药提取物以及应用于研究、开发与生产中的质量控制体系中,利用HPLC建立芦根的色谱指纹图谱。
- A HPLC method was developed for determination of acetaminophen (1)solution. A reverse-phase C 18 column was used and the mobile Phase was methanol-0.05 mol/L ammonium acetate (15:85). The internal standard was theophylline(2). 采用HPLC法以十八烷基硅烷键合硅胶为固定相，甲醇－0.;05mol/L醋酸铵溶液（15：85）为液动相，茶碱为内标，测定对乙酰氨基酚溶液的含量。
- An online enrichment-separation system of C 18 and inductively coupled plasma-mass spectrometry (ICP/MS) with flow injection (C18-FI-ICP/MS) was established for the determination of trace heavy metals in seawater. 建立了碳 18键合硅胶柱 流动注射 电感耦合等离子体质谱 (C18 FI ICP/MS)联用系统。
- Objective : A method of HPLC for the determination of complex preparations of guaiphenesin , chlorpheniramine maleate and dextromethorphan hydrobromide has been described Methods : C 18 column , 0. 目的:建立一种采用高效液相色谱检测复方制剂中氢溴酸美沙芬、愈创木酚甘油醚和马来酸氯苯那敏含量的方法。
- She took the veil when she was 18. 她十八岁时当了修女。
- UK nationals get the vote at 18. 英国国民18岁始有选举权。
- C comes after B in the alphabet. 在字母表中C接在B后面。
- The law forbids the sale of alcohol to people under 18. 法律禁止向18岁以下的人出售含有酒精的饮料。
- B comes before C in the alphabet. B在字母表里排在C之前。
- She left out a "c" in "account" . 她在"account"这个词中漏掉了一个"c"。
- The Party Congress closed victoriously on August 18. 党的代表大会在8月18日胜利结束。
- At 18, he's still rather frivolous and needs to grow up. 他到了十八岁仍然很不懂事，很不成熟。
- In that country, people get the vote at the age of 18. 在那个国家，人们年满十八岁获得选举权。
- Many letters in the alphabet such as b, c, d, etc are consonants. 字母表中的许多字母像b，c，d，等等都是辅音字母。
- Middle C is equivalent to 256 vibrations per second. 中央C音相当於每秒钟振动256次。
- In some countries the legal age for voting is 18. 在一些国家里，投票选举的法定年龄为18岁。
