Proper combination of simple extraction and circulation extraction can increase yield and extract concentration simultaneously on the basis of assurance efficiency.
将简单提取和循环提取适当组合能够在保证效率的基础上使收率和提取液浓度有较大提高。
Water is the main factor influencing crop yield in dryland areas, and the efficient way to increase crop yield is to improve utilization efficiency of precipitation.
水分是限制旱地作物产量最主要的因素，提高自然降水利用效率是增加旱地作物产量的有效途径。
The experimental result shows that application of conservation tillage in North China Plain is benefit to saving water, enhancing water use efficiency and increase crop yield.
试验结果表明，我国华北地区实施保护性耕作有利于节约用水，提高水分利用效率，增加作物产量。
Crops yield will be increased and the economic performance will increase also if efficiency of water increase under the special weather environment condition.
在特殊的气候环境下，提高作物用水的效率将大大提高农业生产的产量，经济效益将大幅度提高。
There are three factors, input factors, technical improvement and technical efficiency, influence the increase of maize yield.
影响玉米单产增长的诸多因素大概可以归纳为三类，一是要素投入，二是技术进步，三是技术效率。
And appropriate to reduce the irrigation frequency and amount has little affects on yield, and can increase water use efficiency.
且适当减少小麦灌溉次数和灌水量对产量影响并不大，并能提高水分利用效率。
With the increase of wheat ploidies, nutrient use efficiency for biomass and that for grain yield all increased significantly.
随小麦的进化，生物量养分利用效率和产量养分利用效率均显著增加。
Using catalyst is an available and economic method to improve the quality of small-molecule combustible gas, increase the biomass utilization efficiency and decrease the tar yield.
使用催化剂是一种可以提高小分子可燃气体品位、提高生物质利用效率、减少焦油产生的经济可行的办法。
The wheat is one of the important grain crops in China, It is important to reveal the mechanism of photosynthetic to improve the photosynthetic efficiency and increase yield.
小麦是我国重要的粮食作物之一，揭示其光合作用机理对于提高光合效率，增加单位面积产量具有极其重要的意义。
The technology can improve the efficiency and accuracy of gating system design, shorten the design period and ensure the castings quality, and increase the casting process product yield.
该技术能提高浇注工艺设计效率与精度，缩短设计周期，保证产品质量，提高工艺出品率。
To increase the yield and ensure the quality of the electronic equipments, there is an urgent need to improve the inspection efficiency.
为了提高电子设备制造的成品率，更好得保证电子设备产品的质量，迫切需要提高制成板检测的效率。
The technology can improve riser design efficiency and accuracy, shorten the design period and ensure the casting quality, and increase casting process product yield.
该技术能提高冒口工艺设计效率与精度，缩短设计周期，保证产品质量，提高工艺出品率。
Such measures as row spacing reduced and close planting and furrow growing are propitious to optimize soil water flow system and they can greatly increase crop's yield and water use efficiency.
沟播处理、缩行密植等优化土壤水流动系统技术，均能较大程度地提高作物的产量和水分生产率；
The H-N ratio in the production of synthetic ammonia is one of the most important parameters to increase the product yield which is an efficiency measure to keep the optimal production.
氢氮比是合成氨装置最为关键的参数之一，保持比值始终处于最佳状态是提高合成氨产量的有效措施。
When carbon conversion efficiency increases, the gasification temperature decreases, while the yield of dry gas, the heating value and the gasification efficiency increase.
在气化压力增加的过程中，气化温度和气体热值增加，干气体产率和气化效率下降。
Our result could potentially be used to increase crop yield and efficiency of land usage.
我们的研究将为提高作物产量，增加土地利用率提供理论依据。
The rice yield of the controlled irrigation is almost equal to that of the CK, but the controlled irrigation reduces the amount of irrigation and increase water use efficiency.
控制灌溉在高产的条件下能够大幅度地减少灌溉用水量，提高水分利用效率。
The increase of discharge frequency and decrease of cooling-water temperature at a certain extent also favored the improvement of O2 conversion, H2O2 yield and energy efficiency.
适当降低冷却水温度，增加放电频率也可提高合成过程中的氧转化率、H2O2收率及合成H2O2能量效率。
Compound microbial fertilizer could also increase the height and harvest index of rice. Besides, it could enhance farming efficiency by increasing yield.
施用复合微生物肥能提高水稻株高和收获指数，并通过增产实现增效。
Compound microbial fertilizer could also increase the height and harvest index of rice. Besides, it could enhance farming efficiency by increasing yield.
施用复合微生物肥能提高水稻株高和收获指数，并通过增产实现增效。
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