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The genetic analysis was carried out for 8 characters on 9 energy cane parents and their 20 combination crosses with the NCII mating design. The results showed that the inheritance of stalk biomass, brix weight, available stalk numbers and weight per stalk was subject to both additive gene effect and non-additive genes effect, but mainly controlled by non-additive genes. The inheritance of plant height, stalk diameter and brix was subject to both additive gene effect. The broad sense heritability (HB2) of stalk biomass and brix was over 50%, and those of brix weight were 33.7% at the seedling stage 54.4% at its ratooning stage, respectively , which means that the selection would be done better at the early stage in the sugarcane breeding program.

利用遗传交配设计对能源甘蔗9个亲本组配的20个组合、8个性状进行遗传分析,结果表明:地上部鲜重、锤重、丛有效茎数和丛重的遗传既受基因的加性效应也受基因的非加性效应所控制,但以非加性效应为主;株高、茎径和锤度的遗传主要是受基因的加性效应控制,地上部鲜重和锤度实生苗新植和宿根的H_B~2都在50%以上,而锤重的H_B~2分别为33.7%和54.4%,而且锤重和地上部鲜重母本gca方差都大于父本gca方差,说明能源甘蔗育种中母本选择的重要性。

Firstly, the sound intensity signals were decomposed and recomposed by using wavelet packets.

建立了一个基于声强信号分析和组合神经网络的发动机故障诊断模型。

In accordance with characteristics of cereal, crutches of sieves and combination wags of sieve were selected.

依据谷物的特性合理选择了筛面结构和筛面的组合形式,分析确定了筛孔直径和其它结构参数。

And some models of combined strutted structure are calculated on 3-D FEM. The results are analyzed deeply. Some problems occurring in practical projects are explained.

并首次对组合结构进行了几种模型的三维有限元的对比计算,并对计算结果进行了分析。

In the basis of analysis, strategy is submitted.

在此分析的基础上,提出了乳品企业在竞争时应选取的战略组合。

The results corresponding hasbeen drawn a lot,however,studies on FRP Tubed reinforced concrete columns have been verylimited(The FRP tubes are used to transversly confine concrete,not bearing the axialloads).Based on experimental and theoretical analysis,the mechanical properties of the GFRPtubed reinforced concrete columns under axially loaded are researched.

而针对内置钢筋的FRF套管混凝土结构的研究较少(套管指FRP管不承受轴压力,仅起约束作用),本文通过试验和理论分析,着重研究了GFRP套管钢筋混凝土组合柱的轴压力学性能。

Theoretical analysis and forecasting examples all show that the new technique has strong universalized capabilities an d the ability to adapt to the changes of function. With respect to combined modeling and forecasting of economic time series in nonlinear syste ms, which have some uncertainties, the method are feasible and effective.

理论分析和大量的应用实例表明:本方法具有很强的泛化能力与自适应数据和函数变化的能力,在处理诸如经济时间序列这种具有一定程度不确定性的非线性系统的组合建模和预测方面有较高的应用价值。

The scientific analysis of ancient environments from the study of fossil assemblages.

对化石组合的研究做出的对古环境的科学的分析。

The methods introduced above are applied to the stability analysis of the Xiaowan high arch dam abutment and rock foundation. Thus, the deformation characteristics of the rock masses and the safety factors of the block combinations are obtained, which provide important data to the engineering design.

运用上述方法对小湾高拱坝的坝肩和坝基岩体进行了稳定分析,得到了正常工况下坝肩和坝基岩体的变形规律,以及各滑动岩块组合的强度储备安全系数,从而为工程设计提供了依据。

To protect the identity of orchid cultivar and the right of the breeders, we successfully develop a novel method by the introduction of foreign DNA sequence (27bp) as molecular marker via BioWare low pressure gene gun into Mormodes lawrence and Zygopetalum mackayi. Histochemical GUS transient expression was obtained from aleurone layer and embryo of Zea mays using BioWare low pressure gene gun with acceleration pressure of 50psi. This is the first report on successful transfer into plant tissue using BioWare low pressure gene gun.

本研究的目的为利用核苷酸排列组合之多样性,设计一段27个碱基对序列来代表品种所有者注册资料,经由国人自行研发之生物镓低压基因枪,利用50psi的氦气压力,将设计好DNA序列标志转殖至妖精兰与轭瓣兰品种,使其实生或分生之子代,皆会具有此注册片段,品种权所有者可以具体以PCR或定序分析确认DNA序列标志,作为保障种源权之认证系统。

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