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trinitrotoluene tnt     
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  相似匹配句对
     STUDY ON THE MUTAGENICITY OF TRINITROTOLUENE
     三硝基甲苯的致突变性研究
短句来源
     Lens photography for trinitrotoluene cataract
     三硝基甲苯白内障晶状体摄影
短句来源
     Effects of Trinitrotoluene ( TNT ) on male Reproductive Function
     三硝基甲苯对大鼠睾丸某些酶活性与睾酮含量的影响
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     Protein adducts of trinitrotoluene (TNT) and its structural identification
     三硝基甲苯蛋白加合物及其结构鉴定
短句来源
     oxicokinetics of3H-trinitrotoluene(TNT) was studied in rats。
     本文研究了3H-TNT在大鼠体内的毒物动力学。
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  trinitrotoluene tnt
Using Bacillus subtilis SK1 as an example, it was demonstrated for the first time that 2,4,6-trinitrotoluene (TNT) transformation pathways change with TNT concentration.
      
The sensitivity of Escherichia coli strains K-12 and 055 to 2,4,6-trinitrotoluene (TNT) was found to correlate with the structural and functional properties of the outer lipoprotein membrane.
      
A new model for the initial transformation of 2,4,6-trinitrotoluene (TNT) by facultatively anaerobic and aerobic yeasts is presented.
      
AN-Z4 which transform, 2,4,6-trinitrotoluene (TNT) via alternative pathways (with the domination of hydride ion-mediated reduction of the aromatic ring) and produce relatively high amounts of nitrites.
      
The use of an isocratic mobile phase, buffered to a pH of 2.30 on a reversed phase column, allows the separation of several nitrophenols and nitrobenzoic acids, some of which are known as phototransformation products of 2,4,6-trinitrotoluene (TNT).
      
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2.6-dinitro-4-aminotoluena(35 %)and 2.6-dinitro-4-hydroxyaminotoluene(12%)were obtained separately through a reduction of 2.4.6-trinitrotoluene(TNT) using hysrogen sulphide(H2S) at the presence of a small amount of ammonium hydroxide.The products obtained are shown to have a high purity and are obtained at low cast,the process being simple and convenieut to operate.

在少量氢氧化铵存在下,用硫化氢还原2、4、6-三硝基甲苯(TNT)分别得到2、6-=硝基-4-氨基甲苯(35%)和2、6-二硝基-4-羟氨基甲苯(12%)。纯度高、成本低、操作简便。

Wistar rats (170~215g), male 60 and female 60, supplied by the Lab Center of Chinese Academy of Medicine, were given orally 2,4, 6-trinitrotoluene(TNT) suspension in 2.5% starch(1ml/100g wt) and observed for 10 days; placebo given to control groups. Liver samp les were taken for HE and ultrastructure exams. Results suggest that TNT LD_(60) in rats was 1663.8 mg/kg(95% CI 1990.9~1328. 6mg/kg) for female and 1837.8mg/kg(2163.5~1561.3mg/kg) for male. Besides common liver damages, cholangiolar...

Wistar rats (170~215g), male 60 and female 60, supplied by the Lab Center of Chinese Academy of Medicine, were given orally 2,4, 6-trinitrotoluene(TNT) suspension in 2.5% starch(1ml/100g wt) and observed for 10 days; placebo given to control groups. Liver samp les were taken for HE and ultrastructure exams. Results suggest that TNT LD_(60) in rats was 1663.8 mg/kg(95% CI 1990.9~1328. 6mg/kg) for female and 1837.8mg/kg(2163.5~1561.3mg/kg) for male. Besides common liver damages, cholangiolar cholestasis and nuclear deformity of hepatic cells were found in 50% of the lower-TNT-dosepoisoned rats. These findings are in conformity to the theory that TNT may be an allergenic and carcinogenic substance to some people.

本实验取Wistar大鼠雄、雌各60只,用悬浮于2.5%淀粉液内的TNT研碎,以1ml/100g灌胃,一次染毒后观察10天,死亡鼠随即取肝。至第11天中毒未死及对照组鼠全部处理并取肝作光镜和超微结构观察。结果表明TNT对雌鼠LD_(50)为1663.8mg/kg发现,雄鼠为1837.8mg/kg。肝脏除发现变性、坏死及线粒体破坏外,低剂量中毒鼠约50%出现胆小管淤胆和肝细胞核畸变。从而提示TNT可能与变态反应以至致癌作用有关。

In the determination of trinitrotoluene (TNT) in water and wastewater with sodium sulfite-tetradecanepyridium chloride, Beer's law is obeyed over the ragne of 0 to 100μg of TNT per 25ml. The apparent molar absorptivity was 2.1×104. The method is simple, rapid and sensitive, and has been used for the determination of TNT in wastewater sample with satisfactory results.

本文研究试验用氯化十四烷基吡啶(TPC)胶束增溶分光光度法测定水和废水中的三硝基甲苯(TNT),考察了多种共存成份的干扰,研究了不经分离清除干扰的方法。试验结果表明,本方法灵敏度高(ε_466=2.1×10~4),选择性好,适用于水和废水中三硝基甲苯的测定。

 
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