查询词典 triethylamine

Hypersil of ODS-C18 was used with acetonitrile-0.01mol/L monobasic potassium phosphate-triethylamine phosphoric acid8:92:0.4:0.3） as mobile phase.

色谱柱：依利特 Hypersil ODS柱4.6 mm×250mm，5μm），流动相：乙腈-0.01mol/L磷酸二氢钾溶液－三乙胺－磷酸（8 ： 92 ： 0.4 ： 0.3）。

The chromatographic conditions were as followed: C8 column, 0.045 mol/L ammonium phosphate monobasic solution∶acetonitrile (2∶1)(adjusted to pH7.35 with triethylamine) as mobile phase, temperature: 40℃, the flow rate: 1.0 ml/min, detection wavelength: 210nm.

采用C8柱，以0.045mol/L磷酸二氢胺溶液∶乙腈(2∶1)(用三乙胺调pH至7.35)为流动相，流速1ml/min，检测波长210nm，柱温40℃。结果阿奇霉素的线范围为50.3～1006μg/ml，平均回收率100.1%，r=1.0000，RSD=0.8%(n=9)。

ABSTRACT Objective To establish an HPLC method for the determination of azithromycin powder.Method The chromatographic conditions were as followed: C8 column, 0.045 mol/L ammonium phosphate monobasic solution∶acetonitrile (2∶1)(adjusted to pH7.35 with triethylamine) as mobile phase, temperature: 40℃, the flow rate: 1.0 ml/min, detection wavelength: 210nm.

阿奇霉素为氮杂内酯类抗生素，日抗基和《中国药典》2005年版［1］均采用微生物检定法测定其含量，《欧洲药典》4.6版和USP26版中均采用HPLC法，专属性较强，试验周期短，但均使用的是聚合物极性柱，《欧洲药典》柱温为70℃，USP采用电化学检测器，其采用的设备在我国药检部门尚未普及［2］。

Anhui Institute for Drug Control, Hefei 230051ABSTRACT Objective To establish an HPLC method for the determination of azithromycin powder.Method The chromatographic conditions were as followed: C8 column, 0.045 mol/L ammonium phosphate monobasic solution∶acetonitrile (2∶1)(adjusted to pH7.35 with triethylamine) as mobile phase, temperature: 40℃, the flow rate: 1.0 ml/min, detection wavelength: 210nm.

阿奇霉素为氮杂内酯类抗生素，日抗基和《中国药典》2005年版［1］均采用微生物检定法测定其含量，《欧洲药典》4.6版和USP26版中均采用HPLC法，专属性较强，试验周期短，但均使用的是聚合物极性柱，《欧洲药典》柱温为70℃，USP采用电化学检测器，其采用的设备在我国药检部门尚未普及［2］。

Several aminated Fullerene derivatives were synthesized by the reaction of C〓 with phenylamine, diphenylamine and triethylamine etc., the phenomena of fragmentation and aggregation of the aminated Fullerene derivatives in UV laser desorption ionization mass spectrometer was observed, a few nitrogenous poly-Fullerene ions, such as C〓NH, C〓N〓H〓, C〓N〓H〓, C〓N〓H〓, C〓N〓H〓 etc.

对C〓富勒烯与苯胺、二苯胺、三乙胺等形成的加合物在紫外激光解吸电离作用下可以发生不同寻常的裂解和聚合现象进行了研究，认为其形成机理为：上述加合物在紫外激光解吸电离作用下，发生裂解产生C〓NH、C〓N及C〓等离子，然后它们之间发生聚合，形成如：C〓NH、C〓N〓H〓、C〓N〓H〓、C〓N〓H〓、C〓N〓H〓等含氮原子的聚富勒烯离子。

And through analyzing the stable configuration of photoactive compounds, the existence of triethylamine salt of diesterified product was thought to be the main factor that affects the solubility.

通过分析，确认二酯化产物三乙胺盐是影响感光剂溶解度的主要原因。

A novel fluorescent acrylamide monomer, N-(4-Benzooxazol-2-yl-phenyl)- acrylamide, was prepared from o-aminophenol, p-aminobenzoic acid and acryloyl chloride, with polyphosphoric acid as dehydrating agent and triethylamine as deacidification agent.

以邻氨基苯酚、对氨基苯甲酸和丙烯酰氯为原料，以多聚磷酸为脱水剂、三乙胺为脱酸剂，研制了一种新的荧光丙烯酰胺单体N-[4-（苯并噁唑-2-）苯基]丙烯酰胺。

Five bistin Schiff base complexes were synthesized by the reaction of bistin dichloride with Schiff base derived from amino acids and salicylaldehyde in the presence of triethylamine,and were characterized by IR,1HNMR and MS.

二烃基锡配合物的结构类型及其具有较强的抗癌活性引起了人们极大的兴趣。大量的研究表明，有机锡化合物的生物活性主要取决于烃基，但配位基团也有一定的影响[1-3]，尤其在水解、输送等过程中。某些配体对生物活性的发挥还有协同作用。

It is a new technique to synthesize SAPO 34 molecular sieve using cheap triethylamine (Et 3N) as the template, and the selectivity of this molecular sieve for ethene and propene can be improved further.

采用X射线衍射、扫描电镜、氨吸附红外光谱及核磁共振等表征手段，研究了以氟化氢三乙胺为复合模板剂合成的SAPO 34分子筛。

SAPO 34 molecular sieve ; composite template ; hydrogen fluoride ; triethylamine ; methanol ; olefin

SAPO-34分子筛；复合模板剂；氟化氢；三乙胺；甲醇；烯烃

According to the clear water experiment, aeration performance of the new equipment is good with high total oxygen transfer coefficient and oxygen utilization ratio.

曝气设备的动力效率在叶轮转速为120rpm～150rpm时取得最大值，此时氧利用率和充氧能力也具有较高值。

The environmental stability of that world - including its crushing pressures and icy darkness - means that some of its most famous inhabitants have survived for eons as evolutionary throwbacks, their bodies undergoing little change.

稳定的海底环境─包括能把人压扁的压力和冰冷的黑暗─意谓海底某些最知名的栖居生物已以演化返祖的样态活了万世，形体几无变化。