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- Copper was reduced from 20 mg/l to below detectable limits by sulfide precipitation from a gold-ore extraction wastewater. 用硫化物沉淀法可将金矿抽提废水中的铜含量从20毫克/升降到可检测标准以下。
- Copper was reduced from 20 mg/ l to below detectable limits by sulfide precipitation from a gold-ore extraction wastewater. 用硫化物沉淀法可将金矿抽提废水中的铜含量从20毫克／升降到可检测标准以下。
- Below Detectable Limit 低于检出限
- Copper was reduced from 20 mg.l to below detectable limits by sulfide precipitation from a gold-ore extraction wastewater 用硫化物沉淀法可将金矿抽提废水中的铜含量从20毫克;升降到可检测标准以下。
- Copper was reduced from 20 mg/l to below detectable limits by sulfide precipitation from a gold-ore extraction wastewater 用硫化物沉淀法可将金矿抽提废水中的铜含量从20毫克;升降到可检测标准以下。
- Anti-retroviral treatment is aimed at the virus in the plasma will be reduced to below detectable levels. 抗逆转录病毒治疗的目的在于将血浆中的病毒降至低于可检测到的水平。
- The detection limit of G-LCR was 2 EBs . G LCR可检测出两个衣原体原体 ;
- The detectable limit of this method is less than 1 pg(or 1 unit )of IL-6 in one milliliter. 检测灵敏度为1pg或1U/ml以下；
- Results showed the detection limit was 6mg/L, and errors were bigger under concentration of COD below 24mg/L. 结果显示,该方法检出限为6mg/L,化学需氧量浓度低于24mg/L时,测定误差比较大。
- Detect execute only branch to fall into disuse, should have only unqualified undertake no longer below detect. 检测实行单科淘汰，只要有一项不合格就不再进行下面的检测。
- The detectable limit for EPT in propylene is 10ppm, the recovery efficiency is greater than 95%, and the relative standard deviation is less than 6%. 叙述了用顶端空间气相色谱技术测定聚丙烯中ppm级对甲基苯甲酸乙酯(简称EFT),可定量检出残留在聚丙烯中低达10ppm的EPT,相对标准偏差小于6%25,回收率大于95%25。
- The detection limit for AA/AM/4-MNDMAPN-AQ is 0.5 mg. L~(-1). 检测下限为0.;5mg/L。
- The detection limit for surface waters is 0.05 ppb U . 检出下限为0.;05ppb;
- Detection limit of the method for octane was 10 ppt. 本方法的检测限为辛烷10ppt。
- The result shows that the fluorescence intensity is proportio-nal to the pressure of the pure NO below 40 Pa. Detection limit of 0.1 ppmv is reached at anatmospheric-pressure N_2. 结果表明纯 NO 气压在40 Pa 以下荧光强度与气压成正比;在0.;1 MPa 的 N_2中 NO 的检测限可达0
- For 51Cr, 60Co, 65Zn, 95Zr-95Nb and 137Cs the decontamination factor is greater than 103. The minimum detectable limit of this method is 3. 8X 10-3 Bq/L. 对铬-51、钴-60、锌-65、锆-95-铌-95和铯-137等核素的去污系数均大于10~3。 方法简便;易于操作;探测限为3.;8×10~(-3)BqL~(-1)。
- It is shown that the lowest detectable limit of CD_4 by gas chromatography-quadrupole mass spectrometer method is 40 times of pulse injection QMS method. 研究表明:气相色谱-四极质谱(GC-QMS)法对CD4的探测下限约是脉冲进样QMS法的40倍。
- Note: - Below detection lim it. The different letters in the same row are significantly different ( P < 0105). 注:-表示未检出。同行中标有不同字母的数值达到显著性差异(P<0105)。
- Results CA125,CEA test results on the individual ovarian cancer diagnosis,the sensitivity,specificity and effectiveness of the joint below detection. 结果CA125、CEA单项检测结果对卵巢癌诊断的敏感性、特异性和有效性低于联合检测。
- The detection limit is 400. Bq/cm2 when the samples are exposed for 30 hours. 在样品照射30h情况下,此方法的探测下限为400 Bq/cm~2。
