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利用效率     
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  use efficiency
     Study on Drought Resistance and Water Use Efficiency of Three Rattan Species in Southern China
     华南地区3个棕榈藤种水分利用效率和抗旱能力的研究
短句来源
     A Study on Water Cycling and Water Use Efficiency of the Plantation SPAC in the Southern Loess Plateau
     黄土高原南部人工植被SPAC系统水分循环模式和利用效率研究
短句来源
     Fertilizer-N Use Efficiency and Its Regulation Approaches in Rice
     水稻氮肥利用效率及其调控途径
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     Differences of Physiological Traits of Water Use Efficiency and cDNA-AFLP Analysis of Related Gene Expression in Winter Wheat Seedlings
     小麦幼苗水分利用效率生理差异与相关基因的cDNA-AFLP分析
短句来源
     THE PHOTOSYNTHETIC RATE AND WATER USE EFFICIENCY OF SOYBEAN LEAF
     大豆光合生理生态的研究——第13报 大豆叶片的光合速率和水分利用效率
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  utilization efficiency
     The utilization efficiency of light is 0.14%, that of heat is 0.87kg/(℃·d·hm 2) and that of precipitation is 5.25kg/(mm·hm 2) in cereal crops in China.
     中国粮食作物光能利用率平均为 0 .14% ,热量利用效率平均为 0 .87kg/(℃· d)· hm2 ,降水量利用效率平均为 5.2 5kg/mm·hm2。
短句来源
     No significant difference was found in utilization efficiency among 478, Wu312 and Zong31 at low NO - 3 of 0.04 mmol/L (Tab 2).
     在 0 .0 4mmol/L下 ,4 78与Wu312、Zong31的利用效率不存在显著差异 (表 2 ) .
短句来源
     A growth experiment was carried out at different densities (5 ind/144 L, 10 ind/144 L, 20 ind /144 L and 40 ind /144 L,denoted by Group 1,Group 2,Group 3 and Group 4) to investigate the effect of density on the growth rate and food utilization efficiency of hybrid tilapia (Oreochromis niloticus♀×O. aureus♂) .
     探讨了密度(设5尾/144L、10尾/144L、20尾/144L与40尾/144L四个梯度,用第1、2、3、4组表示)对奥尼罗非鱼[尼罗罗非鱼(♀)×奥利亚罗非鱼(♂)]生长和饲料利用效率的影响。
短句来源
     During generational period,the quantity of the water consumption is between 767.2 mm and 933.5 mm,and the utilization efficiency is the highest,if the water exceeds 950 mm or under 510mm,the utilization efficiency reduces evidently.
     花椰菜生育期耗水量在767.2~933.5 mm之间,水分利用效率最高,超过950 mm或低于510 mm水分利用效率均显著降低。
短句来源
     The results showed that compared with SD-1-CK、SD-2-CK,SD-1 and SD-2 had higher P absorption and utilization efficiency.
     结果表明,磷胁迫下(-P)与对照(SD-1-CK、SD-2-CK)相比SD-1、SD-2有较强的磷吸收能力和利用效率;
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  use efficiency of
     WATER USE EFFICIENCY OF C_3 AND C_4 PLANTS
     C_3和C_4植物的水分利用效率
短句来源
     The water use efficiency of seabuckthorn was 1. 21~ 1. 53g/(m·mm),and 3. 1~ 6. 4 times of waste land vegetation.
     水分利用效率为1.21~1.53g/(m2·mm),是荒山植被的3.1~6.4倍。
短句来源
     When the Pb concentration was 250 mg·kg -1 , the net photosynthetic rate and water use efficiency of K0883 were increased by 121.80% and 193.70%, respectively, while its intercellular CO_2 concentration was decreased by 42.76%.
     在250mg. kg-1Pb浓度下,K0883蚕豆品种净光合速率、水分利用效率、细胞间隙CO2浓度分别升高121.80%、上升193.70%、下降42.76%.
短句来源
     Under the condition of no-tillage with more than 4500kg/hm2 of maize stalk mulched, increments of maize yields was 22.15%-25.65%,water use efficiency of soil moisture increased 2.9625kg/hm2·mm.
     免耕覆盖试验结果表明,免耕覆盖玉米秸秆4500kg/hm~2以上的处理比传统耕作玉米增产22.15%~25.65%,土壤水分利用效率提高2.9625kg/hm~2·mm。
短句来源
     ~(13)C/~(12)C ratio and water use efficiency of Pinus massoniana in subtropical artificial forest.
     亚热带人工林松树~(13)C/~(12)C比率和水分利用效率
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  utilization ratio
     (2)The utilization ratio of ME for egg laying(Ke)was54.84%and the ME requirement for producing one gram egg was3.13kcal.
     (2)雉鸡产蛋期产卵代谢能的利用效率 (Ke)为54.84 % ,产每克卵需要代谢能3.13kcal;
短句来源
     (2)The utilization ratio of metabolizable energy for growth (Kpf)was 25.93% and the requirement of metabolizable energy for one gram live-weight gain was 5.30 kcal.
     (2)雉鸡育成前期用于生长的代谢能的利用效率(Kpf)为25.93 % ,每克增重需要代谢能5.30kcal ;
短句来源
     The water storage of soil and the water utilization ratio were increased due to the preservation of precipitation in field was rasied by mulching with film. It was beneficial to the growth of crop, the maize production and the WUE increased by 1488.0kg/hm 2 and 3.45, 4.65kg/(mm·hm 2) respectively.
     由于地膜覆盖的水分调控作用 ,促进了农田水分的良性循环 ,有利于作物生长和产量形成 ,玉米产量增加 1488.0 kg/hm2 ,降水利用效率和土壤水分利用效率分别提高 3.4 5和 4 .65kg/ ( mm·hm2 )。
短句来源
     The result showed that the yield of corn and utilization ratio increased with the increasing amount of water supply. The sequence of limited water supply effects were: dalaba stage >jointing stage>front sowing>seedling stage, with the efficiency of 106.6, 93.3,90.3,74.2 kg/(mm·hm 2).
     研究结果表明 ,随着供水量增加 ,玉米产量和水分利用效率增加 ,有限供水效应大小依次为大喇叭口期 >拔节期 >播前 >苗期 ,对应的供水效率为 10 6 .6 ,93.3,90 .3,74 .2 kg/ (m m· hm2 )。
短句来源
     4.The utilization ratio of total solar radiation is 0.71 percent and the utilizationratio of PAR is 1.92 percent.
     4.峨眉冷杉成熟林的光能利用效率为0.71%,光合有效辐射利用效率为 1.92%;
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  use efficiency
Diurnal Course of Gas Exchange and Water Use Efficiency of Platycladus orientalis in the Semiarid Region of the Loess Plateau
      
Water use efficiency culminated in the early morning.
      
Foliar Carbon Isotope Composition (δ13C) and Water Use Efficiency of Different Populus deltoids Clones Under Water Stress
      
Foliar carbon isotope composition (δ13C), total dry biomass, and long-term water use efficiency (WUEL) of 12 Populus deltoids clones were studied under water stress in a greenhouse.
      
In group T1, the seedling of baldcypres had lower apparent light use efficiency, lower apparent CO2 use efficiency and a lower net photosynthetic rate, with the net photosynthetic rate 24.9% lower than that of group CK.
      
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  utilization efficiency
The dependence of the utilization efficiency on the high-frequency power, the magnetic-field strength, and the target material is studied.
      
By using the linkage map of this population, the QTLs for relative dry weight, relative P content and relative P utilization efficiency have been located.
      
One micro-effect QTL has been found to be associated with relative P utilization efficiency.
      
These rssults suggest that the change of GS activity in rice roots may use as a measure of the utilization efficiency of the fertilizer.
      
Among the six levels of propionate, 3.84 g/L was found to be the optimum propionate concentration for H2 production in terms of substrate utilization efficiency, H2 percentage, cumulative H2 production, and H2 yield.
      
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  use efficiency of
Diurnal Course of Gas Exchange and Water Use Efficiency of Platycladus orientalis in the Semiarid Region of the Loess Plateau
      
Foliar Carbon Isotope Composition (δ13C) and Water Use Efficiency of Different Populus deltoids Clones Under Water Stress
      
Water use efficiency of the four treatments consistently increased as treatment was prolonged; the average water use efficiency of T3 was the lowest while that of CK was the highest.
      
N use efficiency of this forest was moderate among the forest types cited.
      
Effects of light radiation intensity on photosynthetic characteristics and water use efficiency of Platycladus orientalis and Pi
      
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  utilization ratio
The approximate resolution provides nondegradable values of the utilization ratio of processors and data exchange channels, and the conditionally optimal resolution provides extremal ones.
      
The equations were used to analyze the effect the density of current through the fuel cells and the fuel utilization ratio in them have on certain technical characteristics of the hybrid power station.
      
The utilization ratio of carbon can be improved by multi-cylinder CVD process without changing the characteristics of brake disc.
      
There was an inverse correlation between SvO2c and arteriovenous oxygen content difference (Ca-vDO2c) (r=-0.82), and a marked inverse correlation to the calculated oxygen utilization ratio (r=-0.97).
      
The utilization ratio of canal systems is 42%, and farmland use is 0.8.
      
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