By means of orientational observation in the field, flowering phenology, flowering dynamic, kinds of pollinators and their behavior and visiting frequency were observed and the breeding system, pollen-ovule ratio ( P/ O) and pollen viability were determined.

1、

The mean generation interval of flock is 7.270 years of the current breeding scheme and the ratio input and output is 1: 5.76. But the present use-age of dam and sire is irrational.

现行的育种方案各选择组公母牛使用年限不合理，育种成效不甚理想，全群平均世代间隔7.270年，投入产出比为1：5.76改进余地很大。

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2、

The feed efficiency in the subsystem of livestock breeding and the ratio of coverting the feed to pork energy were high.

家畜养殖亚系统饲料转化率高，转化为肉能比例较大。

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3、

The homogeneous model results show that the tritium breeding ratio would reach 1.20 for Be and Li_4SiO_4 volume ratios from 2 to 6. A realistic, sandwich-type design of the Be and Li_4SiO_4 loadings was used for a geometric approximation of the optimized volume ratio.

根据均匀混和模型的结果，在Be和Li4SiO4的体积比为2至6之间，氚增殖率最大可达1.20。

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4、

The main concern of the study has been the assessment of the spacial distribution of the tritium breeding ratio, the plutonium breeding ratio, and the power density in multi-dimensional configuration and the comparison between One-, two-, three-dimensional global calculation.

重点分析了多维几何中造氚率、造钚率及功率密度的空间分布，比较了一维、二维和三维积分量的计算结果。

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5、

A tritium breeding ratio of 1.158 was obtained for a 2 ∶ 1 Be and Li_4SiO_4 volume ratio in the front part, which satisfies the tritium self-sufficiency condition for the fusion reactor.

因此，采用Be和Li4SiO4夹层布置，在几何上逼近最优体积比，选择前端Be和Li4SiO4体积比为2时，氚增殖率达到1.158，能够较好地满足聚变运行的氚自持条件。

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6、

Results show that the proposed TBM concept has the advantages of higher tritium breeding ratio ( TBR), simple structure design and engineering feasibility.

设计和分析结果表明，所提出的设计具有高氚增殖率、结构简单和工程上可行的特点。

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7、

Comparative Study on the Breeding Rate in Artificial Inseminated Blue Fox under the Influence of LRH-3 、 HCG 、 PMSG

LRH-3、HCG、PMSG影响人工授精（AI）蓝狐繁殖率的比较研究

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8、

And it is not come up to the whole country average standards from all stock group quality to breeding rate, produce rate, commodity rate and meat products.

从整个畜群质量到繁殖率、出栏率、商品率和产肉量，均不及全国平均水平。

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9、

The rate of cow's oestrum fecundation is one key factor of cattle's breeding rate.

奶牛情期受胎率是影响奶牛繁育率的重要因素之一。

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10、

The Stability of the Intraspecific Competition System for the Natural Enemies Which Possess Functional Breeding Rate or Capturing Rate

具有函数放养率或捕获率天敌有种内竞争系统的稳定性

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11、

The Effect of Low Dietary Calcium Intake During Pregnancy on the Breeding Rate in rats

妊娠期低钙饮食摄入对大鼠出产率的影响

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12、

The study on increasing the breeding rate of chicks with low-dosage stimulation

小剂量辐射刺激提高鸡繁殖率研究

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13、

Experiences of Increasing the Breeding Rate of the Wild Life

关于提高野生动物繁殖率的体会

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14、

The Research of the Stainless Steel Heavy Forgings for the Fast Breeder Project

快堆工程用不锈钢大锻件的研制

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15、

Components and properties design of boron carbide material for fast breeder reactors

快中子堆用碳化硼材料的成分和性能设计

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16、

Numerical analysis of heat transfer and flow with three dimensional steady and transient states in sodium pool of fast breeder reactor

快堆钠池三维稳态与非稳态流动传热的数值研究

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17、

Investigation on acoustic leak detection methods in liquid metal fast breeder reactor steam generator I. characteristics of signals

快堆蒸汽发生器声学泄漏探测技术的研究&Ⅰ.系统信号特性

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18、

Waterhammer Program Development and Application for Fast Breeder Reactor's Sodium Circus

快堆钠回路水锤程序开发与应用

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19、

Seismic Response Analysis for the Main Vessel of Pool-Type Fast Breeder Reactor

池式快堆主容器地震响应分析

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20、

Inherent Safety Analysis for Lead Cooled Fast Breeder Reactor

铅冷快堆固有安全性的分析

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