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mutation effects
相关语句
  诱变效应
     A Study of Induced Mutation Effects in the Yeast by Laser
     激光对酵母菌诱变效应的研究
短句来源
     Application of the Method of Nuclear Anomaly Test of Rat Peripheral Blood Lymphocytes at G_0 Phase to Evaluate Mutation Effects of Chromium
     应用大鼠G_0期淋巴细胞核异常测试法评价铬的诱变效应
短句来源
     The mutation effects on cultivated tomato, Catchup type and Eatable type, by N +ion implantation was studied.
     对番茄 N+离子注入诱变效应进行了研究。
短句来源
     Studies on Mutation Effects on Young Wheat Plant Characters Implanted with Ion Beam
     离子注入对小麦苗期性状的诱变效应研究
短句来源
     The cells and protoplasts of Curdlan\|yield strain GM\|24 were treated by 60 Co γ\|rays respectively. It was found that the positive mutation effects of protoplasts were better than that of cells.
     利用60 Coγ射线对产生热凝胶多糖 (Curdlan)出发菌株GM 2 4的菌体细胞与原生质体分别进行辐照处理 ,发现60 Coγ射线对GM 2 4原生质体的诱变效应明显优于对其菌体细胞的作用。
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  “mutation effects”译为未确定词的双语例句
     in view of mutation effects, the optimum dose of ion implantation for the biocontrol bacterium B-916 was 1 cm~2 150×2.6×10~(13) N~+, to 1 cm~2 250×2.6×10~(13)N~+;
     从诱变效果看 ,离子注入生防菌B 916的最适剂量为 1cm2 15 0× 2 6× 10 13 N+ ~2 5 0× 2 6× 10 13 N+ ;
短句来源
     Hirshsprung syndrom may be resulted from its deletion. The structure and possible function of RET gene,its mutation effects to various human diseases were summarized .
     先天巨结肠疾病与RET基因缺失相关.因此近年来备受关注.对Ret蛋白的结构功能,RET基因突变对Ret蛋白功能的影响及与人类相关疾病的关系作一综述.
短句来源
     After 20 days of degradation, the estrogenic activities of the products were 61.6% of 1nmol E2 and the mutation ratios were bigger than 2. The microbial degradation of nonylphenol ethoxylates possessed simultaneously estrogenic activities and mutation effects, both of which were synchronous and related positively in production time and activities values;
     降解20d后,降解产物的雌激素活性相当于1nmol 17-b雌二醇的61.6%,诱变比值大于2,表明壬基酚聚氧乙烯醚的生物降解产物同时具有雌激素活性和致突变活性,且两者在产生时间和活性数值方面均是同步的和成正相关的.
短句来源
     STUDIES ON THE MUTATION EFFECTS INDUCED BY DIRECT INTRODUCTION OF IRRADIATED FOREIGN DNA INTO SOYBEAN
     辐照外源DNA直接导入大豆诱变效果的研究
短句来源
     Results Haishengsu injection had no reversal mutation effects and embryotoxicity with low micronuclear rates in mice at the dosage of 3.5 mg/kg.
     在3.5mg/kg浓度下不出现细胞染色体畸变率升高; 在3.5mg/kg剂量下不存在胚胎毒性和致畸毒性。
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  相似匹配句对
     The effects of G.
     而G.
短句来源
     Effects of mutation of Griseofulvin producing strain
     灰黄霉素产生菌的诱变效应
短句来源
     Effects of Space Conditions On Mutation and Inheritance of Tomato.
     空间条件对番茄诱变作用及遗传的影响
短句来源
     The effects of VCF on the
     提示VCF抗快速心律失常机制主要与其相对延长ERP消除折返有关。
短句来源
     And the mutation is random.
     这些变异具有一定的随机性。
短句来源
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  mutation effects
By comparing the mutant and the parent strain evidence is obtained of mutation effects upon the biological activity of the cowpox strain.
      
The I20V/M98L and V43A mutation effects are nonadditive.
      
19 years ago, an American Zoologist (11) hypothesized that the genetic code was structured in such a way as to oppose maximum resistance to mutation effects.
      
To apply these ideas to epistatic mutation effects, it is proposed to scale A x A epistatic effects as the change in the magnitude of the additive effect of a mutation at one locus due to a mutation at a second locus.
      
Outer membrane mutation effects on UDP-glucose permeability and whole-cell catalysis rate
      
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The F_1 generations (M_1F_1) of different hybrids combination in rice were radiated by Co rays of 30 kr. The radiation was able to cause genetic effects on the different quantitative characters in the M_2F_2 generations. Induced effects of the different quantitative characters were shown in the following two aspects, 1 Though the magnitude of mean population values of irradiated populations were not significantly different from that of unirradiated populations for most of the quantitative characters. the population...

The F_1 generations (M_1F_1) of different hybrids combination in rice were radiated by Co rays of 30 kr. The radiation was able to cause genetic effects on the different quantitative characters in the M_2F_2 generations. Induced effects of the different quantitative characters were shown in the following two aspects, 1 Though the magnitude of mean population values of irradiated populations were not significantly different from that of unirradiated populations for most of the quantitative characters. the population coefficients of variation were increased and the heritabilities were also strengthened. 2. Some of the mean values of irradiation populations were significantly different from that of the control populalions for quantitative characters and appered positive in effects (favourable mutation effects) or negative in effects (unfavourable mutation effects) The magnitude of induced effects of production characters was estimated with coefficient of variation and hereditability in M_2F_2 generation and it is taken by following order: number of effective ears→number of grains→percentage of seeds set→100 grain weight.

高照射量~(60)Coγ射线照射水稻不同杂交组合的F_1代(M_1F_1),可以引起杂种辐射二代(M_2F_2)数量性状的遗传效应。数量性状诱变效应表现为两种情况:1.多数处理群体的平均值与对照差异不显著,但增加了群体变异系数和提高了遗传力(heritability)。2.少数处理群体平均值与对照差异显著,并表现为正效应(有利突变效应)或负效应(不利突变效应)。本试验各性状产生的负效应多于正效应。通过变异系数和遗传力测定产量性状的诱变效应,其大小依次为有效穗数——穗粒数——育性——百粒重。

Based on the micronucleus index, the induced mutation effects of selenium yeast on polychromatic erythrocyte in the bone marrow of a mouse is studied. This provides a basis for the study of poisonousness of selenium yeast from the point of view of cytogenetics.

本文以微核为指标,就硒酵母对小鼠骨髓嗜多染红细胞的诱变作用进行了初步探讨,可供从细胞遗传学方面深入研究硒酵母毒性时参考.

The radiation injury and mutation effect were studied in the varied rose by using different dose of radiation, after the dormant shoots o rose had been irradiated by ~(60)Co gamma ray The experimental results showed that the injury was aggravated as the dose increasing, and the shoot recoveried slowly. The mutation rate increased in pure colours and flower formed. The coherence analysis shows that the radiation dose has a significant effect on the mutation frequency, but radiation injury...

The radiation injury and mutation effect were studied in the varied rose by using different dose of radiation, after the dormant shoots o rose had been irradiated by ~(60)Co gamma ray The experimental results showed that the injury was aggravated as the dose increasing, and the shoot recoveried slowly. The mutation rate increased in pure colours and flower formed. The coherence analysis shows that the radiation dose has a significant effect on the mutation frequency, but radiation injury affects it insignificantly. The pinky flower. of Gr, HT strains have more mutation frequency. R adioresistance may be increased after sohot base was shielded by lead brick. The repeated pruning is of benefit to the character appearance of mutation.

~(60)Co—r射线处理月季休眠枝条,研究不同剂量、不同花色品种的损伤和诱变效应。结果表明,辐射损伤随照射剂量的增大而加重,恢复也较慢,产生纯花色变异及花器变异的比例增大。相关分析表明,照射剂量对变异频率有重要作用,辐射损伤对变异频率的作用甚微;Gr系和HT系的粉红色品种其花器具有较高的变异频率。铅砖屏蔽枝条基部可提高其耐辐射能力。反复修剪有利于变异性状的显现。

 
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