研究了陆地棉主要性状对混选—混交育种体系的响应。
Responses of main characters of upland cotton to mass selection-mass crossing breeding system were studied.
结果表明,各性状对单株花产量的直接效应大小顺序是;
The results indicated that all factors effect on the flower yield per plant directly.
研究发现,目标性状对育种的重要性与纸浆生产的成本构成有关。
It was found that importance of breeding objectives was related to cost structures of pulp production.
此外还分析了各品种综合性状对环境指数的敏感程度和稳定性表现。
Besides, the sensitivity degree of combined trait to environmental index was analyzed.
在包含产量本身的选择指数式中,增添性状对改进选择进度并不明显。
Adding characters to the index containing yield did not improve gain obviously.
目前,内蒙古地区植物性状对降雨量变化的响应及其对生态系统功能影响的研究相对缺乏。
At present, the study of the responses of plant traits under rainfall disturbances and the effects on ecosystem functions in Inner Mongolia typical grassland are rarely covered.
另外又根据花性状对21个物种进行聚类分析,探讨了聚类分组结果和根据偏好生境分组结果的异同。
We also divided 21 species into three clustering groups of floral traits, and had a comparison between the habitat types and the clustering groups.
主成分分析表明,利用形态性状对萝卜分类时,首先考虑的是颜色,其次是根的性状,最后是叶的性状。
The results of principal components analysis showed that color , characters of root and leaf are the decisive factors affecting radish germplasm classification according to morphological characters.
通过对亚麻各性状之间简单相关系数分析,探讨了亚麻主要农艺性状对单株出麻率的影响,为高纤育种提供一定的理论依。
Through analysis of simple coefficient of correlation among different characters of flax, influence of major agronomical characters to fiber content of Single plant it discussed.
为探索玉米品种的主要农艺性状对产量的影响程度,应用灰色关联度分析方法,对2006年和2007年7个玉米品种的主要农艺性状与产量的关联度进行了分析。
By the method of grey correlative degree analysis, the paper analyzed the correlative degree between yield and some important agronomic characters of Maize in 2006 ~ 2007.
某些鱼的血液里存在特殊蛋白质,可以让它们不致冻死——生物学家对此早已有所认识的事实,丝毫不影响对这一显著的进化性状的惊奇。
SOME fish have special proteins in their blood to stopthem from freezing to death—a remarkable evolutionary trait made no less so bythe fact that biologists have known about it for some time.
另外发现父亲不在场对男孩非认知性状影响会比女孩大,尽管这种调查还不太健全。
It also appears that the absence of fathers has a greater effect on the non-cognitive traits of sons than daughters, although that is a less well-established finding.
对凯恩斯箴言的最新曲解是,市场的非理性状态或许能持续至欧洲弱国或其银行业债务偿付问题出现后。
In an ugly new twist on Keynes' aphorism, it is starting to look like the market can stay irrational longer than Europe's weaker states - or their Banks — can stay solvent.
利用多元分析法对49个二棱型啤酒大麦育种材料的7个主要性状指标进行了主成份分析与聚类分析。
By means of multielement analysis, 7 character indexes of 49 breeding material had been made by a main composition and cluster analysis in malting barley.
试验结果表明,烟尘对大白菜的生物学性状、生理功能、产量与品质均有不同程度的影响。
The simulate test showed that Chinese cabbage changed in biology character, physiological function, output and quality by the influence of soot of different quantity.
利用有限元软件ABAQUS对基坑降水环境效应的耦合性状进行分析。
The coupled characteristics of the pit's environment induced by dewatering were analyzed by the software ABAQUS.
本文研究了11个广东省主推杂交水稻组合主要经济性状间的相互关系及其对产量的通径作用。
The correlation and path action among economic characters to grain yield for 11 mainly promoted hybrid rice in Guangdong were analyzed .
采用随机区组设计方法,研究了达尔丰喷施时期和喷施量对玉米产量和其它经济性状的影响。
By using randomized-block design of two factors, the effects of Daerfeng fertilizer and spraying date on maize yeild and other economic characteristics were studied.
对陕西临潼石榴多个性状的变异情况进行了研究;
The genetic character variations of pomegranate (Punica granatum) cultivars in Lintong County of Shaanxi Province were studied.
杓兰的叶片性状是对水肥条件较好,但季节波动较大生境的适应。
The leaf traits of Cypripedium were the adaptation to the environment rich in water and nutrients but easy to change with seasons.
针对电力系统的强非线性和不确定性的特点,直接对其非线性不确定对象设计了非线性状态PI励磁汽门协调控制器。
As for the strong nonlinear and uncertain characteristic of the power system, the nonlinear state PI coordinated controller of excitation and valve is proposed in this paper.
采用田间试验研究了成熟期灌水对烤烟农艺性状、化学成分和致香物质含量的影响。
A field experiment was conducted to study the effects of irrigation during maturing stage on agronomic characteristics, chemical components and contents of flavor matter of flue-cured tobacco.
以云南引种的46株元宝枫的果实为研究材料,对其果实的9个性状变异和各性状间的相关性进行了分析研究。
Taking 46 Acer truncatum introduced to Yunnan as the study materials, the variance of 9 fruit characters and the correlation between different characters were analyzed.
试验研究了开花前不同光照处理对大豆开花后的发育、产量形成和品质性状的影响。
The effects of pre- flowering photoperiodic treatments on the post-flowering-development, yield formation and chemical quality of soybeans were studied.
本文结合春小麦主要农艺性状的相关分析资料对因子分析的原理、方法和步骤进行了较为详尽的讨论。
In this paper, principles and procedures of factor analysis are illustrated in detail, and example of spring wheat correlation studies is employed to explain this method further.
本文结合春小麦主要农艺性状的相关分析资料对因子分析的原理、方法和步骤进行了较为详尽的讨论。
In this paper, principles and procedures of factor analysis are illustrated in detail, and example of spring wheat correlation studies is employed to explain this method further.
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