难检字字典在线查询

汉语拼音：zhì pǔ

在高能作用下，原子及分子可生成荷电质点或裂解成荷电的分子碎片，加以分离记录而得到的图谱。质谱分析方法具有极高的灵敏度。用质谱方法测定14C的含量可确定古物或岩石的年龄以及用于测定有机化合物的结构等。

• The technique requires the coupling of a particle accelerator and a mass spectrometer.

  这种技术要求将粒子加速器和质谱仪连接起来。

• In the mass spectrograph the ions are focused onto a photographic plate.

  在质谱仪中,离子聚焦在感光板上.

• Figure B shows a scheme of a mass spectrometer coupled to a gas chromatograph.

  B是气相色谱与质谱联用的框图.

• To measure this, archaeologists use a device called an accelerator mass - spectrometer.

  为了检测这个, 考古学家们用了一种叫做加速器质谱计的仪器.

• The combination of gas chromatography and mass spectrometry thus works.

  也就是说气相色谱和质谱技术的连用是可行的.

• Mass Spectrometer is the most widely used high - end analytical instrument.

  质谱是常用分析仪器中比较昂贵的设备.

• In a LC - MS method for zilpaterol in feed is established.

  建立了饲料中齐帕特罗的液相色谱-质谱联用(LC-MS)检测方法.

• The feature of their ion trap mass spectrum is also discussed.

  本文讨论了它们的离子阱质谱特征.

• The fragmentation reactions of the saturated urushiol biscrown ether sized paper.

  本文总结了饱和漆酚双冠醚电子电离质谱的裂解规律.

• The isotopic abundance ratio and content are determined with isotopic mass - spectrometry.

  文章用同位素质谱法测定了辐照堆元件铀的同位素丰度比和含量.

• The maintenance experinence of old MAT isotope mass spectrometer has been discussed.

  本文讨论了MAT同位素质谱计后期维护中的一些问题.

• Backup and Restoration of the System Software for VG - Quattro MS - MS System .

  VG -Quattro 四极质谱系统软件的备份及恢复.

• LC - MS method for sudan red in eggs was established.

  建立了禽蛋中苏丹红的液相色谱-质谱联用(LC -MS )检测方法.

• Precision values of atomic masses are measured in a device called a mass spectroscope.

  原子质量的精确值是用一种称为质谱仪的装置来测量的.

• Its stucture was investigated through IR, 1 H 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.