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- positive ion mass spectrum 正离子质谱
- The mass spectra of phosphodiamidoates have been studied using positive ion FABMS and negative ion FABMS. 本文讨论一类新合成的磷酰二胺酯的质谱特征。
- Keywords mass spectrum;isobutane;symmetrical molecule;positive ion;chemical ionization; 质谱;异丁烷;对称分子;正离子;化学电离;
- By comparing the product ion mass spectra of oxypaeoniflorin with those of the unknown component under different collision energy, basic structure unit of the unknown component was determined. 通过比较不同碰撞能量下的未知化合物子和氧化芍药甙的离子碎片,确定了未知化合物的基本结构单元。
- secondary ion mass spectrum 二次离子质谱
- positive ion mass speetrum 正离子质谱
- Third, positive ion polyelectrolyte. （3）阳离子聚合电解质。
- field ion mass spectrum 场致离子质谱
- ion mass spectrum analyzer 离子质谱分析仪
- negative ion mass spectrum 负离子质谱
- ion mass spectrum 离子质谱
- The HPLC was subjected to gradient elution and negtive ion mode was adopted in mass spectrum. 高效液相色谱用梯度洗脱,质谱用负离子模式。
- A substance that ionizes in solution to give the positive ion of the solvent. 酸性物质一种在溶解时发生电离从而使溶剂带上正电荷的物质。
- Meanwhile, MS peaks with +3, +4, +5, +6 and +7 charges were formed in mass spectrum under the ESI positive scan mode. 同时在ESI正离子全范围扫描中主要形成带有+3、+4、+5、+6、+7等不同电荷数的质谱峰。
- The vitamin twister uses positive ion / negative ion / negative, positive ion. 维他命导入棒能令肌肤直接吸收水份和营养，使肌肤持久水嫩晶莹。
- Its stucture was investigated through IR,1H NMR and mass spectrum. 用红外光谱、核磁共振氢谱和质谱推测了产物的结构。
- Obvious examples are potentiometers and tachogenerators to monitor the posit ion and speed of a shaft. 反映转轴位置和速度的电位器与测速发电机是我们最熟悉的传感器的例子。
- Positive ions drift downward, negative ions drift upward. 正离子向下漂移，负离子向上漂移。
- Positive Ion Lipoplexes and Its Application in Gene Transfection and Gene Therapy. 阳离子脂质体及其在基因转移和基因治疗中的应用。
- A new method based on reversed phase high performance liquid chromatography (HPLC), positive ion electrospray time-of-flight mass spectrometry (ESI-TOF/MS) has been developed for the characterization of insulin in commercial insulin injection. 用反相高效液相色谱(RP-HPLC-UV)和电喷雾飞行时间质谱(ESI-TOF/MS)鉴定商品化胰岛素注射液中的胰岛素。
