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Compared with the blank controls, aldrin at concentrations higher than 80 μg/L decreased life expectancy at birth and net reproduction rate of maternal generation of the cladoceran, and that at concentrations higher than 160 μg/L shortened generation time and decreased intrinsic rate of population growth.

与空白对照组相比,浓度高于80μg/L的艾氏剂使多刺裸腹溞母代的生命期望和净生殖率显著降低;浓度高于160μg/L的艾氏剂使母代的世代时间显著缩短,种群内禀增长率显著降低。

This work is focused on the ArF photoresist which is the key chemicals for the next generation of integrated circuit manufacture. Polymethacrylate and Cycloolefin copolymers were synthesized for use as single layer photoresists. The effect of composition, the developing processes, and the kinetic reaction of the photoresist on the lithographic performance were investigated.

本文章针对新一世代IC制程用193nm光阻剂,设计制备一系列的压克力与环烯类单层光阻,深入的探讨树脂组成、光阻剂显影条件的变化、以及光阻剂反应动力因素,与光阻剂微影性质间的关系。

There are two micro-patterns used to analyse the optimal problem in macro-economics:One is the indefinite pattern put forward by Lamsy;and second is the overlap pattern put forward by Samurson and Daimon.

在宏观经济学中常使用两个以微观为基础的基本模型来分析消费和投资的优化问题:其一是拉姆赛提出的无限期界模型;其二是萨缪尔森和戴蒙得提出的世代交叠模型。

It is the differentia that three kinds of genotypes frequency of panmixia parts of common population are constant in every generation,but variable in selfing part.

不同的是普通群体随机交配部分的3种基因型频率在各世代是固定的量,自交部分的3种基因型频率是变量。

According to Mather and Jinks model, using generations mean analysis m eth od, the various kinds of gene effects and its percentage of gene-effect-square s um were estimated,and comparative analysis on the gene effects and the importan ce t o inheritance of characters was carried out between the supernumerary spikelet l ines.

黄毅以主穗小穗数在25~30个的二个普通小麦多小穗品系85DH5015、SW94-30921 与三个普通小麦品种组配成6个组合的P1、P2、F1、F2、B1、B2为材料,用世代均值法分析了6个性状的遗传模型并估算了各类基因效应值,比较分析了两个不同来源多小穗小麦品系六个性状各类基因效应的异同及其相对重要性。

The next generation who interests me is the one who had not one, but two Dark risings affect their lives--I'm thinking about Hagrid, Tom Riddle, perhaps the Weasleys on the younger edge of this generation.

接下来我感兴趣的世代受着两个黑暗势力崛起的影响,而不是一个——我在想海格,汤姆。里德尔,也许韦斯莱夫妇也在这一代的边缘上。

"A Thousand Splendid Suns", which takes its title from a poem about Kabul by Saib-e-Tabrizi, a 17th-century Persian poet, is a multi-generational story that unfolds over 45 years.

17世纪的波斯诗人Saib-e-Tabrizi一首描写喀布尔的诗歌,《灿烂千阳》的故事跨越多个世代,绵延45年。

"A Thousand Splendid Suns", which takes its title from a poem about Kabul by Saib-e-Tabrizi, a 17th-century Persian poet, is a multi-generational story that unfolds over 45 years.

书名取自17世纪的波斯诗人 Saib-e-Tabrizi 一首描写喀布尔的诗歌,《灿烂千阳》的故事跨越多个世代,绵延45年。

The results showed that cold tolerance of the pupa followed strong seasonal rhythm: the pre-winter population had higher tolerance to low temperature than the summer population; and the summer population completely collapsed as exposed to 0℃ for 2 days, but there was sti...

自然界中昆虫的世代普遍要经历不同栖境和不同季节温度的变化,包括夏季高温和冬季低温的胁迫。基于对高温

In a no overlapping generation population with selection, mutation、migration and random drift under consideration, two mathematical models presented in this paper might describe change of frequencies of multiple alleles at a locus and population mean of metrical characters resp.

在假定无世代重叠,群体内存在选择、突变、迁移,且考虑漂变效应的情况下,本文所构建的两个数学模型可分别用来描述一个座位上多个主基因频率或数量性状群体均数的动态变化。

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推荐网络例句

And Pharaoh spoke to Joseph, saying, Your father and your brothers have come to you.

47:5 法老对约瑟说,你父亲和你弟兄们到你这里来了。

Additionally, the approximate flattening of surface strip using lines linking midpoints on perpendicular lines between geodesic curves and the unconditional extreme value method are discussed.

提出了用测地线方程、曲面上两点间短程线来计算膜结构曲面测地线的方法,同时,采用测地线间垂线的中点连线和用无约束极值法进行空间条状曲面近似展开的分析。

Hey Big Raven, The individual lies dont matter anymore - its ALL a tissue of lies in support of...

嘿大乌鸦,个别谎言的事不要再-其所有的组织的谎言,在支持。