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chronic toxicities
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  慢性毒性
     Acute and chronic toxicities of acrylamide to Daphnia magna.
     丙烯酰胺对大型溞(Daphnia magna)的急性和慢性毒性
短句来源
     ACUTE AND CHRONIC TOXICITIES OF BENZIDINE TO DAPHNIA MAGNA
     联苯胺对大型溞(Daphnia magna)的急性和慢性毒性试验
短句来源
     Experiment of Acute and Chronic Toxicities of TMPD in Mice
     四甲基哌啶酮对小鼠的急性和慢性毒性试验
短句来源
     The acute and chronic toxicities of benzidine to Daphnia magna were studied.
     研究了联苯胺对大型溞(Daphniamagna)的急性毒性和慢性毒性.
短句来源
     The potential ecological risk by wastewater or reclaimed water for irrigation is of great concerns in recent years,but little work was done on the chronic toxicities through long term accumulation of persistent organic chemicals in soil.
     长期使用污水或再生水灌溉的潜在生态风险已经引起普遍关注,但是少有研究持久性有机有毒物质在土壤中积累所产生的慢性毒性.
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  “chronic toxicities”译为未确定词的双语例句
     The acute and chronic toxicities and short-term efficacy of IMRT and conventional radiotherapy were compared. Results:All the 28 patients completed the full course of IMRT. The average dose delivered to the planning target volume(PTV)was 67.5 Gy,and 90% of iso-dose curve(median dose of 63.5 Gy)covered more than 99% gross tumor volume(GTV).
     结果:28例患者均完成全程IMRT,照射靶区内计划靶区体积(planning target volume,PTV)的平均剂量为67.5Gy,90%的等剂量曲线(中位剂量63.5Gy)可以覆盖99%以上的肉眼肿瘤靶区体积(gross tumor volume,GTV)。
短句来源
     The acute and chronic toxicities of acrylamide are measured using Daphnia magna as test organism. The 24 h-LC_(50)and 48 h-LC_(50) value of acrylamide to this species is 173.21 and 89.59 mg·L~(-1),respectively.
     丙烯酰胺对大型(Daphniamagna)的急性试验表明,丙烯酰胺对大型的24h LC50、48h LC50值分别为173.21和89.59mg·L-1。
短句来源
     In this paper, the acute and chronic toxicities of chlorine on Daphnia magna were discussed. The results showed that 100% and 90% survival of Daphnia magna could be reached in 24 h and 48 h when the animal was exposed to 0. 16 mg/L of chlorine.
     当余氯为0.16 mg/L时,大型蚤24 h存活率为100%,48 h存活率为90%;
短句来源
     Conclusion The experimental rats experience no any chronic toxicities from the bovine colostrum powder.
     结论牛初乳粉对大鼠未表现出明显的长期毒性。
短句来源
  相似匹配句对
     Acute and chronic toxicities of acrylamide to Daphnia magna.
     丙烯酰胺对大型溞(Daphnia magna)的急性和慢性毒性
短句来源
     ACUTE AND CHRONIC TOXICITIES OF BENZIDINE TO DAPHNIA MAGNA
     联苯胺对大型溞(Daphnia magna)的急性和慢性毒性试验
短句来源
     CHRONIC BRONCHITIS
     小儿慢性支气管炎安全过冬
短句来源
     Chronic Orchialgia
     慢性睾丸痛
短句来源
     THE TOXICITIES OF DETERGENTS ON THE FISHES
     合成洗涤剂对鱼类的毒性试验
短句来源
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  chronic toxicities
This strategy may give patients the greatest chance at prolonged remission or cure while minimizing acute and chronic toxicities, although its impact on overall survival has not been proven.
      
Also, there is sufficient experience with standard therapies (radical prostatectomy and external beam radiotherapy) to counsel patients on the chance for cure and the expected incidence of acute and chronic toxicities.
      
Secondary objectives included assessing acute and chronic toxicities, as well as measuring objective response rates.
      
Acute and chronic toxicities of plant extracts for external use were studied on a model of cell monolayer.
      
In the present investigation, acute and chronic toxicities of fluoxetine were evaluated in an environmentally relevant species, western mosquitofish Gambusia affinis.
      
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The acute and chronic toxicities of parathion, O,O-diethyl O-p-nitrophenyl thiophosphate, in the white mice (Mm rmtseulus albus Bechstein) were investigated by oral administrations. The dosage rate was based on the weight of the mouse; and the calculated volumes of the diluted parathion emulsion in various concentrations were fed to the test animals by means of a needle of the micrometer syringe. The various dosage rates for five groups of mice were as follows:(1) A single oral dose of 20 mg. of parathion...

The acute and chronic toxicities of parathion, O,O-diethyl O-p-nitrophenyl thiophosphate, in the white mice (Mm rmtseulus albus Bechstein) were investigated by oral administrations. The dosage rate was based on the weight of the mouse; and the calculated volumes of the diluted parathion emulsion in various concentrations were fed to the test animals by means of a needle of the micrometer syringe. The various dosage rates for five groups of mice were as follows:(1) A single oral dose of 20 mg. of parathion per kg. of body weight;(2) A daily dose of 5 mg. of parathion per kg. of body weight;(3) A daily dose of 10 mg. of parathion per kg. of body weight;(4) The mouse recieved a dose of 1 mg. of parathion per kg. of body weight at the 1st day and thereafter the dosage was increased by 1 mg. per kg. of body weight with the increase of days;(5) The mouse recieved 2 mg. of parathion per kg. of body weight at the 1st day and the dosage was increased by 2 mg. per kg. with the increase of days.In the above various daily dosage rates for the different groups of mice, parathion was fed continuously over a period of 12 days except in cases when all the test animals under experiments were dead before that period of time. The experimental results may be summarized as follows.1. The symptoms of parathion poison in the white mice were observed at follows: inaction, slight tremor, followed by omitting, tears, diarrhea, and the intensive convulsion. Finally the mouse with its erected and stiffened tail ran about for a few seconds and died.2. Either in treatments of a single acute oral dose or of daily oral dosages of parathion in succesion, the poisoned mice showed no apparent differences in susceptibilities between males and females or among animals with various body weights.3. It was found that a single dase acute oral LD50 value within 24 hours was between 10 mg. and 20 mg. of parathion per kg. of body weight.4. The average period of time required from the last administrations to the dealh of the animals was about 2 hours in the treatment (1), (3), (4), and (5). The treatment (2) took about 7 hours. In all the treatments, the required time varied from only 16 minutes to 11 hours.5. In the treatment of daily dosage of 5 mg./kg. 6 mice died within 4 days after the beginning of the administration, 9 mice survived to the end of the 12 days, having taken a total dosage of 60 mg./kg.The treatment with a daily dosage of 10 mg./kg. showed that 11 out of the 15 tested mice died before the 3rd day. Of the remaining 4 mice, 2 died suddenly at the 7th day, while the other 2 survived to the end of the 12th day, having taken a total dosage of 120 mg./kg.In those cases, when the mice recieved a dose of 1 mg./kg. at the 1st day, and then dosage increased by 1 mg./kg. at the successive days, some of the mice (so treated) died at the 4th day and the death of the poisoned mice continued to happen till the end of the 12th day. Only 3 out of the 15 mice survived after haying taken a last dose of 12 mg./kg. and total dosage of 78 mg./kg.In those cases, when the mice recieved a dose of 2 mg./kg. at the 1st day and continuously recieved a dosage which increased by 2 mg/kg. at the successive days, all the 15 test mice died before the 8th day, after having taken a total dosage of 72 mg./kg.The results of the four above dosage treatments showed that the daily administration of parathion at sublethal dosages to the mice did not apparently have any accumulative action, while the daily dosages near the acute lethal level did cause some susceptible mice to die. This may be due to the possibility that the poisoned mice could not recover their cholineste-rase level enough to resist the inhibiting effects of the next applications of parathion.

1.小白鼠吞食“E.605”後的中毒症状为:痉挛、呕吐、流泪、不成次地排便,最後痉挛加剧,突然间尾竖直作惊慌状,爬行数秒钟,而倒伏气绝。 2.小白鼠吞食“E.605”致死50%剂量介於10—20毫克/千克。雌雄两性或不同体重的小白鼠对“E.605”的忍受力,未见有显明的差别。 3.小白鼠吞食“E.605”後,中毒死亡距各鼠最後一次吞食药剂的时间:吞食5毫克/千克/每日剂量的,为7小时,吞食10毫克/千克/每日,1毫克/千克/每日递增,或2毫克/千克/每日递增3种剂量的,平均各约为2小时,最快的仅为16分钟,最慢的不超过11小时。 4.小白鼠连日吞食“等剂量”的“E.605”,如吞食剂量远较各该鼠的一次吞食的致死剂量为小时,未见有因连日剂量积累而致中毒死亡的趋势,但个别对药剂忍受力小的鼠只在吞食“E.605”的剂量已接近於各该鼠的一次吞食致死剂量时,也能在再一次或多次接受一定量的“E.605”,而遭致中毒死亡。这点似可以解释为鼠体内胆硷酯酶受抑制後的恢复速度赶不上继续给药的被抑制量的缘故。小白鼠每日吞食的“E.605”剂量如果是逐日递增的,则在某一日或连续几日内的剂量已经增加到接近或达到各该鼠的致死剂量时,便中...

1.小白鼠吞食“E.605”後的中毒症状为:痉挛、呕吐、流泪、不成次地排便,最後痉挛加剧,突然间尾竖直作惊慌状,爬行数秒钟,而倒伏气绝。 2.小白鼠吞食“E.605”致死50%剂量介於10—20毫克/千克。雌雄两性或不同体重的小白鼠对“E.605”的忍受力,未见有显明的差别。 3.小白鼠吞食“E.605”後,中毒死亡距各鼠最後一次吞食药剂的时间:吞食5毫克/千克/每日剂量的,为7小时,吞食10毫克/千克/每日,1毫克/千克/每日递增,或2毫克/千克/每日递增3种剂量的,平均各约为2小时,最快的仅为16分钟,最慢的不超过11小时。 4.小白鼠连日吞食“等剂量”的“E.605”,如吞食剂量远较各该鼠的一次吞食的致死剂量为小时,未见有因连日剂量积累而致中毒死亡的趋势,但个别对药剂忍受力小的鼠只在吞食“E.605”的剂量已接近於各该鼠的一次吞食致死剂量时,也能在再一次或多次接受一定量的“E.605”,而遭致中毒死亡。这点似可以解释为鼠体内胆硷酯酶受抑制後的恢复速度赶不上继续给药的被抑制量的缘故。小白鼠每日吞食的“E.605”剂量如果是逐日递增的,则在某一日或连续几日内的剂量已经增加到接近或达到各该鼠的致死剂量时,便中毒死亡。各该鼠中毒致死前的最後一次所吞食的“E.605”剂量,起了重要的致毒作用。

Water samples were collected from Baiyangdian catchment from 1992 to 1994 and their toxicity was assessed by a battery of bioassay. including photobacterium phosphoreum,Scenedesmus obliqnus, Daphinia magna acute and chronic toxicity bioassay, and Tilapia mossambica hapetocyte bioassay. The results showed that biological effects could be observed in this area. In most of the samples, nutritional effect could be observed in alga assay,which should be caused by pollution of nitrogen and phosphorus from Baoding...

Water samples were collected from Baiyangdian catchment from 1992 to 1994 and their toxicity was assessed by a battery of bioassay. including photobacterium phosphoreum,Scenedesmus obliqnus, Daphinia magna acute and chronic toxicity bioassay, and Tilapia mossambica hapetocyte bioassay. The results showed that biological effects could be observed in this area. In most of the samples, nutritional effect could be observed in alga assay,which should be caused by pollution of nitrogen and phosphorus from Baoding city.Both acute and chronic toxicities could be observed at some sampling points in zooplankton assay.Along Fuhe river, toxic effects could only be detected by fish hapetocyte toxicity bioassay. No obvious effect could be found in photobacterium assay.

从1992年10月到1994年4月先后几次对白洋淀集水区,包括淀区及排污河道等十几个样点进行了水样采集和多指标生物毒性检验。选用的生物组合包括:荧光发光菌(Photobacteriumphosphorum)、斜生栅藻(Scenedesmusobliqnus)和大型(Daphiniamagna),罗非鱼(Tilapiamossambica)鱼肝细胞毒性检验,结果表明大部分样品对光合藻有明显刺激生长的作用。污水库沿线和安新县排污渠水样对浮游动物有毒性作用。府河沿线的水样仅对鱼肝细胞有毒性作用,对发光菌无明显抑制。这些潜在的生物毒性效应是否会影响白洋淀淀区的水生生态系统,需进一步深入研究。

Researches regarding the acute and sub-chronic toxicities

对人工发酵培育冬虫夏草进行急性和亚慢性毒性研究。大、小鼠经口LD_(50)均大于10g/kg体重,亚慢性毒性研究(90d喂养试验)3个实验组动物生长发育正常,在试验第45d与第90d所作血液常规、血液生化、脏体比及病理学检查,3个实验组绝大多数检测项目与对照组未见显著性差异,极个别检测项目有显著性差异,但其差异无实际意义。研究表明人工发酵培育冬虫夏草毒理学是安全的。

 
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