| 1. | Where death has been attributed to propoxyphene, the blood levels have a range of 0. 2 to 2. 0 mg/dl, with the majority from 0. 5 to 0. 7 mg/dl .
属于丙氧吩致死的情况下，血液中浓度范围为02-20毫克100毫升，大多数是05-07毫克100毫升。 |
| 2. | Median lethal concentration
致死中浓度 |
| 3. | 2 . with increasing concentrations of pyr and nap , a decrease in the number and length of roots were observed
Nap在中浓度组对幼苗根的生长就产生了抑制作用，而pyr则没有影响。 |
| 4. | We hope that our research can contribute to the signal transduction of apoptosis modulated by shear stress
我们通过建立huvec体外培养模型，以中浓度lps ( 50ug ml )刺激，观察其损伤效应。 |
| 5. | Premature infants placed in incubators to breathe oxygen in concentrations greater than in air can develop irreversible eye damage
早产儿保育器中的早产婴儿呼吸浓度大于空气中浓度的氧会导致不可逆转的视力损害。 |
| 6. | The application of the method will effectively alleviate and prevent the arteriosclerosis and prevent the occurrence of cardiac and cerebral blood vessels
使其在血液中浓度降低。从而缓解和预防血管硬化的发生，有效地预防心脑血管疾病的发生。 |
| 7. | Nicolaysen lc , pan wht , and justice jb , jr . ( 1988 ) extracellular cocaine and dopamine concentrations are linearly related in rat striatum , brain res . , 456 , 317 - 323
标题中译：重覆多次注射古柯碱的大白鼠，其古柯碱和多巴胺脑中浓度均有增强的现象。 |
| 8. | Flesh anhydride and urea nitrogen are the child of protein metabolization , by nephritic eduction body outside , the chroma in its blood can regard reason as the index of function of kidney spherule filtration
肌酐及尿素氮为蛋白质代谢的产物，由肾脏排出体外，故其血中浓度可作为肾小球滤过功能的指标。 |
| 9. | Based on analyzing domestic and overseas researching actuality and comparing some measuring means , this article confirms the study project of using titration principium in testing the concentration of in blood serum
本课题基于对国内外研究现状的分析以及几种测量方法的比较，确定了采用滴定原理来测定血清中浓度的研究方案。 |
| 10. | Workplace atmospheres - electrical apparatus used for the direct detection and direct concentration measurement of toxic gases and vapours - performance requirements for apparatus used for measuring concentrations in the region of limit values
工作场所空气.有毒气体和蒸气的直接检测和直接富集测量用电气设施.极限值区域中浓度测量用设备性能要求 |
