| 1. | The mass spectra of biological marker
生物标志物谱图 |
| 2. | It suggested the bone lead should be a new biological marker of lead dose
认为国内应该加强相关的研究，早日将骨铅含量作为人体铅中毒新的生物标记。 |
| 3. | Determination of biological marker compounds in rock by supercritical fluid extractor and gas chromatography - mass spectrometry
质谱联用技术在岩石样品生物标志物分析中的应用 |
| 4. | Children aged 3 - 11 years have cotinine levels ( a biological marker for secondhand smoke exposure ) more than twice as high as nonsmoking adults
3到11岁的被动吸烟的孩子与那些家长不吸烟的孩子相比，他们体内可替宁(作为二手烟吸入量的一种血液标记)的含量要高出两倍多。 |
| 5. | She noted progress in monitored levels of nicotine , a biological marker for secondhand smoke exposure , which have fallen in non - smokers by 70 percent since the late 1980s
她留意到在监视尼古丁水平的过程，一项暴露于二手菸的生物指标，自1980年代末期起，在非抽菸者中，它已经掉到了百分之七十。 |
| 6. | She noted progress in monitored levels of nicotine , a biological marker for secondhand smoke exposure , which have fallen in non - smokers by 70 percent since the late 1980s
她留意到在监视尼古丁水平的过程，一项暴露于二手菸的生物指标，从1980年代末期以来，在非抽菸者中，它已经掉到了百分之七十。 |
| 7. | Objective : to investigate the telomerase activity in human head and neck squamous cell carcinomas and their adjacent tissues and to explore the possibility of telomerase activity as tumor biological marker
摘要目的：研究原发头颈部鳞癌及相应癌旁组织中端粒酶活性表达，并探讨其作为头颈部鳞癌分子生物学标志物的可能性。 |
| 8. | The hydrocarbon groups , alkane hydrocarbons and biological markers in the crude oils and the oil source rocks have closed relationships , which has shown that zifusi lw - lying area has a better oil source condition and oil source potentiality
在原油和生油岩中烃类族组分、烷烃和生物标志物之间均有较好的亲缘关系，表明资福寺洼陷具有较好的生油条件和生油潜力。 |
