The results showed the lethal equivalent was only 0.24%, less than some other breeds. This demonstrated that after several generations by inbreeding its characters were hold.

Initial Study on the Lethal Equivalent of New Langshan Chicken

新狼山鸡死亡当量的初步研究

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Effects of garlicin on MMS-and Cy-induced sex-linked recessive lethal mutations in Drosophila melanogaster

大蒜素对甲基磺酸甲酯和环磷酰胺诱发果蝇伴性隐性致死的影响

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Effects of Space Flight on Genetic Mutations& The Drosophila Melanogaster Sex-Linked Recessive Lethal Assay

卫星空间飞行对遗传影响的研究&果蝇伴性隐性致死试验

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Radiation protection effects of sinapine on Drosophila melanogaster in a sex-linked recessive lethal test system

果蝇伴性隐性致死突变试验中芥子碱的辐射保护作用

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The results showed that there was no remarkable difference in body weight, relative organ weights, hematological indices, serum biochemical parameters and the histopathologic change of main organs between the median dose group or low dose group and the control group.

结果表明大鼠低、中剂量组的体重、脏器系数、血液学指标、血液生化指标、病理组织学检查等各项指标与对照组比较无显著性差异。

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26 patients in SRS group and 8 in FSRS group received external beam radiotherapy, and the median dose was 40 Gy and 30 Gy, respectively.

26例SRS和8例FSRS患者分别接受中位剂量为40Gy和30Gy的外照射。

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And the effect of median dose group of medical cactus polysaccharide and high dose group of edible cactus polysaccharide is very remarkable ( P < 0.01) compared with model group.

药用仙人掌多糖中剂量组及食用仙人掌多糖高剂量组效果显著（P<0.01）。

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The median dose to the organs at risk ( OAR) were as follows: spinal cord 9.46 ± 5.23Gy;

危险组织器官（OAR）平均剂量均值：脊髓（9.46±5.23）Gy；

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The dose of radiation was 44~ 56 GY, median dose was 50 GY. The chemotherapy scheme was CHOP.

化疗方案采用CHOP方案，放疗量44￣56GY，中位剂量50GY。

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But in median dose group only mild cloudy swelling in liver cells and focal haemorrhage in lung were observed.

病理检查高剂量组部分动物肝脏中度浊肿及水样变性和散在点状坏死，肺有散在性出血；

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The median dose was 46 Gy. Median follow-up period was 25 months ( range, 12-36 months).

中位照射剂量46Gy，中位随访期为25个月（12-36个月）。

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The study has provided theoretical basis in induced mutation medial lethal dose of different wheat varieties ( strains) to Ar+ implantation.

本项研究可为Ar+注入不同小麦品种（系）发生诱变的半致死剂量提供实验依据。

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Observe Single Leaf Asarum himalaicum's Acute Toxicity and Determination of its Median Lethal Dose

单叶细辛的急性毒性观察及半数致死量的测定

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The death ratios were observed and the median lethal dose ( LD 50) was calculated.

观察10d动物的存活情况，计算昆明小鼠单宁经口半数致死量（LD50）。

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Median lethal dose of toxicity tests was larger than 10g/ kg.

毒理学试验的半致死量均大于10g/kg；

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The estimation of median lethal dose or effective dose by an ordinary curve fitting method

曲线配合法在测定半数致死量上面的应用

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A Convenient Method for Calculating the Median Lethal Dose in Toxicity Testing

毒力测定中致死中量的简便计算方法

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Computer program calculating median lethal dose of drugs

药物半数致死量的计算程序

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Median lethal time, mean lifespan and mean maximum lifespan of drosophila fed with different concentration of ponceau 4R were lower than those in control groups dominantly ( P < 0.05 or P < 0.01) in survival experiment, and a dose-response relationship was shown.

生存试验中各浓度组雌雄果蝇的半数死亡时间、平均寿命及平均最高寿命均较对照组缩短（P<0.05或P<0.01），且存在剂量-反应关系。

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The median lethal time ( LT50) of the GV was shortened with the increase of the virus concentration and the decrease of the larval instar, during which the GV was fed.

幼虫饲毒后，致死中时（LT（50））随病毒浓度提高而缩短；随饲毒时虫龄的增大而延长。

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