The heritability of N content in grain and leaf and N utilization efficiency were high.
子粒、叶片含氮量和氮利用效率的遗传率相对较高。
P fertilization increased N, P and K accumulation in tree biomass and nutrient use efficiency in wood and biomass production.
施P肥还增加了树木N、P和K的养分积累量，提高了上述养分的利用效率。
Objective To construct the retroviral(RV) vector with report gene enhanced green fluorescent protein(EGFP) and to explore the gene transfection efficiency of RV on SK-N-SH neuroblastoma cells.
目的构建携带报告基因增强型绿色荧光蛋白（EGFP）的反转录病毒载体，并且探讨病毒载体对SK-N-SH神经母细胞瘤细胞株的感染效率。
The results of genetic cluster analysis of N utilization efficiency showed that 137 wheat parents could be divided into three types.
小麦亲本氮素利用效率的遗传聚类分析，将137个小麦亲本分为三类。
Higher efficiency of nutrient acquisition of root in heterogeneous nutrient environment mainly attributed to large absorption of n, p, K in rich nutrient patch.
异质养分环境中的根系具有较高的养分吸收效率主要缘由在富养斑块中对N、P、K大量的吸收。
There were 7 wheat parents whose N and P utilization efficiency were high.
氮和磷均高效的亲本材料有7个。
N efficiency can be enhanced by breeding for cabbage.
因此，通过品种选育提高结球甘蓝氮素效率是可行的。
Because the adopted N layers of rare-earth ion-doped ring-core optical fibers exist in a common central cladding region, the pumping efficiency is greatly improved.
由于采用的N层掺稀土离子环芯光纤存在一个共同的中心包层区，因此极大提高了泵浦效率。
The genetic ability of N uptake efficiency was higher than that of N utilization efficiency.
氮吸收效率的遗传力大于氮利用效率。
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。
The effect of applying N-fertilizer or not in wheat on soil fertility and grain yield and fertilizer-N use efficiency (FNUE) of rice in the wheat-rice cropping system were studied.
通过对前茬作物小麦设置施用氮肥与不施用氮肥处理研究它对土壤肥力及后茬作物水稻产量和氮肥利用率的影响。
The efficiency of corrosion inhibition of imidazoline derivatives containing N, S or O for steel in hydrofluoric acid, hydrochloric acid and citric acid is studied.
本文研究了含N、S或O的咪唑啉衍生物对铜在无机酸和有机酸中的缓蚀效力。
Result showed that HPE maize performed a higher N and K absorption efficiency in low P regiment, its N, K absorption and dry matter accumulation were less affected by low P supply.
结果表明，磷高效利用型玉米氮钾素吸收和干物质积累受低磷处理的影响较 小，表现出对 氮、钾的高效吸收。
The removal efficiency of organics and the NH3-N from the BAF during the film-forming period was analyzed.
对挂膜期间曝气生物滤池去除有机物和NH3-N的情况进行了分析。
The results show that n, Ndipropynoxy methyl amine trimethyl phosphonate possesses high inhibiting efficiency and geometric blocking effect.
研究结果表明，环己基二炔氧甲基胺膦酸盐在盐酸介质中的缓蚀机理为覆盖效应。
The experimental results showed that N-981 is the most energy efficiency membrane, and N-962 is the highest impurity resistance membrane.
结论为：N-981离子膜电压最低、耗电最小、N-962电压上升速度最慢、抗杂质能力最好；
The results showed that the efficiency of fertilizer N used by wheat increased and a higher percentage of N absorbed was translocated into grain under the interplanting condition.
结果表明，麦棉套作条件下，小麦对肥料氮的吸收和利用率显著提高，且所吸收的氮素较多地分配到籽粒中。
The removal efficiency of nitrogen (N) and phosphorus (P) from three kinds of eutrophicated water by terraneous ornamental foliage plant-beet on floating-beds was researched under low temperature.
以陆生观叶植物红叶甜菜为材料研究其对不同富营养化水体氮磷的去除。
N competition between barley and pea was positively correlated with N use efficiency in the intercropping plant population.
大麦相对于豌豆的氮素竞争比率与间作群体氮肥利用率呈显著正相关关系。
Because the removal efficiency of COD in RBC is well, so in the effluent the NO3-3~-N concentration is high, but COD is low.
这是因为，生物转盘的有机物去除效果很好，出水中硝氮浓度较高而碳源含量很低。
Minimization of NH 3 N discharge can be realized through strengthening the steam stripping efficiency of sour water and improving the performance of the wastewater biological treatment facilities.
通过加强废水汽提效果和完善污水处理场生化处理设施，控制外排废水氨氮总量；
Then the efficiency of nutrient was significantly increased by controlling N and saving P fertilizer.
控氮节磷施肥均能明显提高水稻养分利用率。
Then the efficiency of nutrient was significantly increased by controlling N and saving P fertilizer.
控氮节磷施肥均能明显提高水稻养分利用率。
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