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- Reducing nitrogen rate 减量施氮
- With the increasing of nitrogen rate, the curves of RVA profile decreased under the high, middle and low soil fertility levels. 两供试品种在高、中、低三种地力水平上，RVA谱曲线均随施氮量的增加而降低。
- With the increasing nitrogen rate, peak viscosity, hot viscosity, breakdown, cool viscosity, consistence and peak time decreased remarkably. 峰值黏度、热浆黏度、崩解值、最终黏度、回复值、峰值黏度时间随施氮量的增加而显著或极显著下降。
- Soil NO3--N concentration and accumulation of intercropped faba bean were lower than that of solecropped faba bean at three nitrogen rate. 在3个氮水平下，蚕豆间作土壤硝态氮含量和累积量都低于单作。
- This may occur in response to a high level of reduced nitrogen in the medium. 这可能是由于对培养基中高水平的还原氮的反应而发生的。
- The results showed that soil fertility levels and nitrogen rate had significant or extremely significant effect on RVA profile characteristics except one or two characteristics. 结果表明，地力水平、施氮量对RVA谱特征值的影响除个别指标外，均达到显著或极显著的差异。
- Exhaust Gas Recirculation(EGR) is adopted to reduce nitrogen oxide emission of CA498 engine fueled with dimethyl ether. 在CA498车用直喷式柴油机上开展了燃用二甲醚和采用排气再循环时,发动机的排放和燃烧特性的研究。
- If it is supplied mainly by reduced nitrogen, the small cells would ultimately in in interspecific competition. 如果主要提供还原态氮;则较小的细胞将在种间竞争中占优势.
- Choose a car with a 3-way catalytic converter, to reduce nitrogen oxides and hydrocarbons emissions by 90 per cent. 选购带3相催化转化器的汽车，可以将氮氧化物和碳水化合物排放量降低90%25。
- Whether placement of nitrogen fertilizer below the layer of crop residue will reduce nitrogen immobilization is not clear. 对于把氮肥施在植物残体覆盖层以下是否会减少氮的固定，这个问题目前尚不清楚。
- Despite the reduced oil content with increasing nitrogen rates, the highest oil production per hectare came from the highest nitrogen treatment. 尽管随着氮肥施用量的增加含油率下降，但每公顷最高油产量仍得自于最高的施氮肥处理。
- One of effective way to reduce nitrogen oxides in fluidized bed is to add denitration agent.This paper studied iron-based denitration agent. 在流化床内添加脱硝剂是降低氮氧化物排放的有效途径之一，该文对铁基脱硝剂进行了实验研究。
- Audi will debut an A4 with a fuel-saving stop-start system and a new diesel engine that uses a chemical additive to reduce nitrogen oxide emissions. 在动力系统方面，新奥迪A4采用了油耗节约型停启系统和一种新型柴油引擎，化学添加剂可以减少氮氧化物的排放。
- At this rate we won't be able to afford a holiday. 照这样下去，我们不会有时间／钱去度假的。
- Dai T B,Sun C F,Jing Q et al.Regulation of nitrogen rates and dressing ratios on grain quality in wheat[J].Acta Agronomica Sinica,2005,31(2):248-253. [8]戴廷波;孙传范;荆奇;等.;不同施氮水平和基追比对小麦籽粒品质形成的调控[J]
- The technology of exhaust gas recirculation (EGR) has been researched in a turbocharged direct-injected diesel engine in order to reduce Nitrogen Oxides (NOX) emission. 针对增压直喷柴油机,开展了应用废气再循环(EGR)技术降低氮氧化物(NOx)排放的研究。
- The study included K 326, NC 71, and Speight 168 varieties and compared recommended nitrogen rates to the recommended rate plus 20 pounds of N and high-topping to normal-topping heights. 研究包括K326、NC71和speight168品种，对推荐氮用量和在推荐氮用量基础上加20磅N以及高打顶和正常高度打顶进行了比较。
- Yu T J, Zhang L, Gu S Y, Li T, E W D, Wang Z H.Effects of different planting density and nitrogen rates on biological yield and agricultural traits of silage maize dongqing1. 于天江;张林;谷思玉;李陶;鄂文弟;王振华.;种植密度和施氮水平对东清一号青贮玉米生物产量及农艺性状的影响
- Ling Q,Hou L B,Han W.Effects of nitrogen rates on grain yield and quality of wheat in different soil fertility[J].Plant Nutr.Fert.Sci.,2004,10(6):561-567. [4]林琪;侯立白;韩伟.;不同肥力土壤下施氮量对小麦子粒产量和品质的影响[J]
- Lin Q,Hou L B,Han W.Effects of nitrogen rates on grain yield and quality of wheat in different soil fertility[J].Plant Nutrition and Fertilizer Science,2004,10(6):561-567. [5]林琪;侯立白;韩伟.;不同肥力土壤下施氮量对小麦子粒产量和品质的影响[J]
