Results 111 to 120 of about 1,249,305 (180)
[Drug treatment efficacy in 32 children with streptococcal toxic shock syndrome]. [PDF]
Zhongguo Dang Dai Er Ke Za Zhi, 2023 Zhang HX +6 more
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, 2002 研究了农药氯氰菊酯对大型氵蚤的毒性效应 ,结果显示 :氯氰菊酯对大型氵蚤有明显的毒性作用 ,其 2 4h-LC50 为 4.81 mg/L,实验毒性为中级 .同时也研究了国际标准毒物重铬酸钾对大型氵蚤的毒性为 2 4h-LC50 为 0 .3 8mg/L,表明该大型氵蚤对毒物较为敏感 .最后讨论了实验条件对大型氵蚤2 4h-LC50 ...
熊丽,吴振斌,赵文玉,谭渝云
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[Occurrence characteristics， neurotoxicity risk， and potential mechanisms of traditional phthalate esters and novel alternatives in indoor dust]. [PDF]
Se PuLi W, Gao K, Hua K, Wang L, Wei W, Lu L.
europepmc +1 more source
十三种硝基苯类化合物对大型蚤(Daphnia magna Straus)急性毒性试验
, 1998 本文应用静水试验研究了十三种硝基苯类有机物对大型蚤（D、M）的急性毒性。初步证明了硝基苯类有机物因其取代基团的不同（-Cl_、-OH_、-OH_、-NO_2）或取代基团的位置不同（邻、间、对）而表现出对大型蚤的不同毒性,且从分子结构上分析了毒性差异的机理。试验结果表明,对二硝基苯的毒性最大,其24hLC50为0.98±0 ...
张凤民,胡炜
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[Research progress on toxic shock syndrome due to group A <i>Streptococcus</i> infection in children]. [PDF]
Zhongguo Dang Dai Er Ke Za ZhiWang HY, Zhou W, Huang LS.
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, 1994 本文采用换水式试验研究了五氨酚溞（ＰＣＰ）对大型（Ｄａｐｈｎｉａｍａｇｎａ）的急性、亚慢性和慢性毒性，稀释水硬度为８０─１００ｍｇ／Ｌ（以ＣａＣＯ３计）。急性和慢性试验均使用小于一日龄的幼溞，试验温度为２５─２６℃，慢性试验进行了２０ｄ。用小于一日龄幼溞进行的亚慢性试验暴露了１９ｄ，而用四日龄幼溞的亚慢性试验则进行了１６ｄ，水温均保持在１９─２０℃。ＰＣＰ对大型溞的２４ｈ和４８ｈＥＣ５０分别是４８９和２４５μｇ／Ｌ。依据第１胎所产幼溞数求得的最低可观察效应浓度（ＬＯＥＣ）和无可观察效应浓度 ...
周永欣,成水平,孙美娟,胡炜
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[Discussion on the design approach and results evaluation key points of repeated exposure systemic toxicity tests for absorbable medical devices]. [PDF]
Sheng Wu Yi Xue Gong Cheng Xue Za ZhiFan C +5 more
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[Metformin mitigates doxorubicin-induced cardiotoxicity via the AMPK pathway]. [PDF]
Nan Fang Yi Ke Da Xue Xue Bao, 2023 Wei J, Yang Q, Lin L, Zhu C, Wei J.
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, 1995 本文研究了稀有鲫（Ｇｏｂｉｏｃｙｐｒｉｓｒａｒｕｓ）作为毒性试验材料的可行性。采用换水式试验，在硬度为２００ｍｇ／Ｌ（以ＣａＣＯ３计）、ｐＨ７．８±０．２、温度２４－２５℃条件下研究了铬、铜、锌和五氯酚（ＰＣＰ）对稀有鲫的急性毒性。重铬酸钾对２日龄稀有鲫的２４ｈ和９６ｈ和ＬＣ５０控制范围分别２６３．６－３３４．７和１１５３－１７８．５ｍｇ／Ｌ（ｎ＝８）。铬、铜、锌和五氯酚对２日龄稀有鲫的急性毒性值（９６ｈＬＣ５０）范围，从铜的５２．２μｇ／Ｌ到铬的５２０００μｇ／Ｌ ...
周永欣,成水平,胡炜,孙美娟
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[Exposure Pathways of Polystyrene Nanoplastics Mediate Their Cellular Distribution and Toxicity]. [PDF]
Sichuan Da Xue Xue Bao Yi Xue BanLi J +8 more
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