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susceptible
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  “susceptible”译为未确定词的双语例句
    Uptake of Cd, Zn and Pb by two susceptible plants under mono-and multiple-contamination conditions
    单一与复合污染条件下两种敏感性植物对Cd、Zn、Pb的吸收效应
短句来源
    Trichosantin differentially down regulates dendritic cells for their secretion of IL-12 and the expression of costimulation molecule CD80 in the high and low susceptible mouse strains
    天花粉蛋白在不同小鼠品系中区分性下调树突状细胞IL-12分泌和CD80表达
短句来源
    The major results are summarized as following:1) A propoxur-resistant strain of Musca domestica exhibited 185-, 47-, 41-, and 51-fold greater resistance to propoxur, methomyl, paraoxon, and dichlorvos, respectively, than a susceptible strain.
    主要研究结果如下:1) 家蝇残杀威抗性品系对残杀威、灭多威、对氧磷和敌敌畏的抗性倍数分别为185,47,41和51倍。
短句来源
    Therefore, development of the susceptible, specific diagnosis methods and safe, effective vaccines is urgently needed for protection of at-risk populations.
    目前对于该病毒的许多方面尚未完全明了,因而对于SARS是否会卷土重来无法预知,研制开发特异灵敏的诊断试剂以及安全有效的疫苗,都是亟待解决的问题。
短句来源
    Analyzing the OM protein by SDS-PAGE revealed that a 45~49kDa protein band existed in the susceptible type strain 715 and was absent in resistant strain 715/R_1 and 715/R_2. OM permeability to Tienam was decreased to 36.54% and 30.13%, respectively, from 100% of 715 strain.
    膜蛋白SDS-PAGE分析结果表明:715/R_1、715/R_2与715号原株相比,明显缺少MW约45~49kD的一条带,该条带在715/R_3中仍存在,不过其含量要远远低于原株。
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  susceptible
This paper considers an SIRS epidemic model that incorporates constant immigration rate, a general population-size dependent contact rate and proportional transfer rate from the infective class to susceptible class.
      
An improved susceptible-infected-susceptible (SIS) model in the local-world evolving network model is presented to study the epidemic spreading behavior with time delay, which is added into the infected phase.
      
Biocides should be introduced into systems susceptible to biocorrosion at the start of their exploitation, otherwise higher concentrations or synergistic compositions have to be used.
      
A microbial association in the culture medium averaging 106 yeast cells/l and 108 bacterial cells/l is more susceptible to technogenic impacts and seasonal fluctuations.
      
However, cells subjected to oxidative stress are significantly less susceptible to the reactivating effect as compared to their UV-irradiated or heated counterparts.
      
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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 per...

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。

The radio-sensitivity of DNA in mice thymus deoxyribonucleoprotein (DNP) was compared with that of free DNA on irradiation with γ-rays of 5,000 r in 1 M NaCl solution. After irradiation, the DNP was immediately precipitated with alcohol and deproteinized with sodium dodecyl sulphate and the liberated DNA isolated. It was found that both the "melting-temperature" (T-m) and the intrinsic viscosity of the DNA thus isolated dropped markedly, while the free DNA, similarly irradiated, showed only insignificant changes.It...

The radio-sensitivity of DNA in mice thymus deoxyribonucleoprotein (DNP) was compared with that of free DNA on irradiation with γ-rays of 5,000 r in 1 M NaCl solution. After irradiation, the DNP was immediately precipitated with alcohol and deproteinized with sodium dodecyl sulphate and the liberated DNA isolated. It was found that both the "melting-temperature" (T-m) and the intrinsic viscosity of the DNA thus isolated dropped markedly, while the free DNA, similarly irradiated, showed only insignificant changes.It was suspected that the process of deproteinization with sodium dodecyl sulphate in the isolation of DNA from DNP post-irradiation might be responsible for the changes obtained in the physicochemical properties of DNA. Some control experiments were, therefore, carried out by subjecting the irradiated free DNA to the same process of deproteinization. The results showed that a fall of T_m and intrinsic viscosity was also observed, but the degree of changes was not so marked as that in DNA isolated from the irradiated DNP. On the basis of the experimental results, it can be assumed that sodium dodecyl sulphate might intensify the hidden damage to either irradiated DNA or DNP, but DNA in the DNP molecule is more susceptible to ionizing radiation than is free DNA. Our results are apparently at variance with those of previous workers. It is suggested that the proteins in DNP are not likely to exert any protective effect on DNA, but rather render it more vulnerable to the destructive action of irradiation. The possible role played by the proteins in the initiation of irradiation damage of DNA was discussed.

用特性粘度与Tm测定的方法,发现在1M NaCl溶液中DNP經5,000伦琴γ射綫照射后,其中DNA的輻射損伤大于单独照射的DNA。提出了一个新的观点,即DNP中蛋白貭可能有加強DNA輻射損伤的效应。并討論了損伤的机制,指出了这种現象在輻射損伤原发机制中的重要性。

The effects of morphine upon higher nervous activities of rats were studied on 5 types of operant conditionings: (1) fixed interval, (2) variable interval, (3) discriminative conditioning, (4) multiple schedule (alternate fixed interval and fixed ratio) and (5) avoidance conditioning. The main action of morphine observed was a lowering of the response rate. In the fixed interval schedule involving conditioning to time interval, there was also a shortening or elimination of the initial pause, indicating that...

The effects of morphine upon higher nervous activities of rats were studied on 5 types of operant conditionings: (1) fixed interval, (2) variable interval, (3) discriminative conditioning, (4) multiple schedule (alternate fixed interval and fixed ratio) and (5) avoidance conditioning. The main action of morphine observed was a lowering of the response rate. In the fixed interval schedule involving conditioning to time interval, there was also a shortening or elimination of the initial pause, indicating that this type of conditioning was very susceptible to morphine. In the multiple schedule, morphine did not show any selective action on the fixed interval component, i.e., it lowered the response rate in both components. The differentiation in discriminative conditioning was not affected. After the development of tolerance, morphine no longer induced a lowering, but often an increase in the response rate.

(一) 本文采用5种不同类型的操作式条件反射方法,研究了吗啡对大白鼠高极神经活动的影响。吗啡的主要作用是使动物反应频率降低。但形成耐受性后再给吗啡,则有增加反应频率的趋势。 (二) 吗啡对固定间隔強化实验的影响较为特殊,除使反应频率降低外,初休止期大大缩短,说明能减弱时间性分化。但吗啡并不能影响有鉴别信号的分化,如在操作式鉴别性条件反射及固定间隔固定比例強化的复合实验中,未会观察到吗啡对分化的影响。 (三) 吗啡对经典及操作式两种迴避性条件反射,都显示抑制作用,表现为反应频率的降低或潛伏期延长。在经典类型中,小剂量吗啡尚有缩短潛伏期的作用。

 
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