yield improvement

For wheat, the improvement of spike differentiation is an important approach to actualize the high yield target.

就小麦而言，穗分化特性的改良也是提高其产量水平的重要途径。

Experience from America typifying countries with well-developed maize breeding Retrospective analyses of yield gains may provide an understanding of unexploited genetic potential and reveal the strategies for future yield improvement.

以美国为代表的玉米育种发达国家的经验表明，对推广品种的回顾性研究可以为进一步开发新品种遗传产量潜力以及提高产量能力提供参考有益的依据和指导。

The improvement of stay-green can increase stem and leaf water content, but can't increase kernel water content. Correlation analysis revealed that flag leaf area increased grain yield by increasing spikelet number per panicle.

相关分析表明，较大的剑叶可以增加穗粒数并显著增加产量，然而叶绿度和持绿性与产量、产量性状无关或呈显著负相关。

The PP/ PPga blend showed higher improvement in Youngs modulus in comparison with PP, while impact strength and tensile yield stress changed a little.

对PP/PPga（100/8）共混体系，PPga加入使杨氏模量提高，但对冲击强度和屈服强度影响不明显。

For the transition prediction for a hypersonic sharp cone or cone with small bluntness, conventional e-N method does not yield correct result, even qualitatively, Then, based on our own previous works, new interpretation and essential improvement for the e-N method is proposed.

对于来流小攻角的锥体边界层，传统的e-N方法即使在定性上也不能给出正确结果。根据我们以前的一些工作，对e-N方法进行了新的诠释，并提出实质上的改进。

Analysis of Decrease Cause of Styrene Monomer Yield in Lummus/ UOP Installation and Improvement of the Packing Box of Heat Exchangers

Lummus/UOP装置苯乙烯单体收率下降原因分析及换热器填料函的改进

In the yield improvement, the genotype effect contributed to the yield increase in HCR, CCR and XCR with the rate of 18.7%, 21.8% and 38.8%, respectively;

品种产量的改良中，黄河、长江和新疆棉区基因型效应分别为18.7%、21.8%和38.8%；

The improvement of toxin yield and toxoid purification process for purified tetanus toxoid

精制破伤风类毒素产毒及精制工艺的改进

The lint yield improvement of hybrids seemed to be more closely linked with the properties of yield components.

杂交棉皮棉产量的提高与产量组分性状关系更密切。

Techniques of Soil Improvement and Yield Increment on Terrace Field in Hilly-Ravine Areas of Loess Plateau

黄土丘陵沟壑区水平梯田改土培肥增产技术措施体系

Aid engineer for yield improvement and test results summarization.

和设备工程部合作解决问题.

With coordinate use of alkali and improvement of reaction conditions, satisfactory time and yield of isomerization reaction were reached.

研究了最佳碱量、反应温度、特别是强碱配合使用和反应工艺条件的改进，使异构化反应在时间和转化率上都得到了较好的结果。

Technique of Improvement on Large Scale Low yield Tung Tree Forest

大面积低产油桐林改良配套技术