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- USE: The set is used for compoud extrusion of tire tread. 用于轮胎胎面的复合挤出。
- After desiccation, TRL is measured directly on the C18 surface. 干燥后，在C18小片表面上直接进行荧光测定。
- Phenols are isolated from crude oils using C18 solid chromatographic colum n. 用C??18?固定相萃取法可从原油中检测出C?0－C?3?酚类。
- Methods: To compare three kinds of methods of C18, NH2, and C8 column. 方法：对照比较了C18柱、NH2柱和C8柱三种测定方法。
- Established the content control method of pyrocatechin in compoud red sage rootand astragalusrootinjection. 建立复方丹参黄芪注射液中有效成分原儿茶醛的含量控制方法。
- The analytic method for phenslic compoud in drinking water by Reversed-Phase HPLC was introduced. 摘要介绍了反相高效液相色谱法测定饮用水中的酚类物质。
- Patulin and HMF were determined by reversed-phase HPLC using a supelco C18 column and an ultraviolet detector at 275nm. 色谱柱为supelco C18柱,紫外检测器检测波长为275nm。
- Currently the C18 is commonly used (composed of 18 C).We also can supply you with C12, C8, C6, C4, C1 besides that. 目前常用的为C18（有18个碳组成），除此以外我们还可以提供：C12，C8，C6，C4 ，C1。
- Methods The determination was performed by HPLC-ELSD using C18 column, CH3CN-H2O (32: 68) as mobil phase. 方法高效液相色谱法，以十八烷基硅烷健合硅胶为填充剂，以乙腈-水(32:68)为流动相；
- The anti-bacteria effect of compoud amoxicillin/probenecid capsules on staphylococcus aureus and E. coli was superior to amocillin capsules. 复方阿莫西林/丙磺舒胶囊对金黄色葡萄球菌和大肠杆菌的体外抑菌作用优于单用阿莫西林胶囊；
- CONCLUSION The new compoud was identified as paeoniflorin sulfonate, which was an artifact produced duing the processing of white paeony roots. 结论新化合物为芍药苷亚硫酸酯,为加工白芍过程中芍药苷的转变产物。
- Quantitative analysis of thiamethoxam was conducted using a C18 HPLC colum, acetonitrile/water(20/80)as the mobile phase, and determination at 250 nm. 建立了一种用高效液相色谱测定噻虫嗪的定量分析方法。 采用C18HPLC色谱柱,以乙腈/水(20/80)为流动相,选择250nm为检测波长进行检测。
- A method for the determination of noradreline(NA),adrenaline(A) dopamine (DA) by using Atlantis C18 column was investigated. 采用AtlantisC18反相色谱柱,成功地分离去甲肾上腺素、肾上腺素、多巴胺等儿茶酚胺类物质。
- We separated acetylcholine (Ach), choline (Ch) using Atlantis C18 column successfully and obtained response specificically and sensitively. 采用了AtlantisC18反相色谱柱(一种适用于强极性化合物分析的反相色谱柱)成功分离了胆碱与乙酰胆碱,并特异、灵敏地获取检测信号。
- METHODS A Capcell PAK C18 Colum was used and the mixture of methanol-isopropanol-water (50:45:5) was used as the mobile phase. 方法 采用Capcell PAK C18色谱柱,以甲醇-异丙醇-水(50:45:5)为流动相;
- The separation was performed on Luna C18(2) column with methanol -water(92: 8)as mobile phase and pH was adjusted to 9. 5 +0. 3 with triethylamine. 液相色谱条件为色谱柱:Luna C_(18)(2);流动相:甲醇-水(92:8);用三乙胺调至pH为9.;5±0
- The levels of ET in the C16:0, C18:0 and C24:0 groups were higher than those of control group when the concentration of FFA over 200 umol/L (P<0.01). C16:0、C18:0及C24:0从200umol/L组起，培养基中ET浓度高于对照组，差异有显著性（P<0.;01）。
- Also tested the properties of C18 alkyl betain e,such as surface tension,static resistance,emulsification etc,and compared with dodecyl betaine. 测试了十八烷基甜菜碱的表面张力、抗静电性、乳化性等应用性能,并与十二烷基甜菜碱进行了对比。
- Good separating result for methyl oleate(C18:1 ) is obtained by the application of capillary columns coated with nonpolar stationary phases. 采用涂有非极性固定液的毛细管柱,对油酸甲酯顺、反异构体进行分离,获得良好的分离效果。
- Capillary GC detection method for organochlorine and tyrethrin Pesticides using C18 sold phase extraction.This method was rapid、simple and low cost. 通过用C18固相萃取柱，萃取有机氯农药及菊酯类农药的研究，建立了一种快速、简便、经济的检测方法。
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