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- The results showed that land equivalent ratio (LER), biomass and N/P content of crops significantly increased in the maize/soybean intercropping system. 结果表明，玉米与大豆间作具有明显的间作优势，间作作物的生物量、氮磷含量都显著好于单作。
- On the basis of land equivalent ratio of inter cropping and mixed cropping the theory and method of quantitative evaluation of inter-cropping and mixed cropping were discussed in this paper. 在剖析间混作土地当量比的基础上，本文针对间混作群体的特点，对间混作效果定量评价的理论与方法进行了研究，提出了间混作当量的概念、计算公式，对其应用范围及内涵进行了讨论。
- Land equivalent ratio 土地当量比
- It also shows the F/A equivalent ratio and ignition advanced angle should be adjusted to optimum when test with EGR. 试验结果还表明，进行EGR时的燃空当量比和点火提前角等参数也需要进行相应的调整和优化。
- When the equivalence ratio of the premixed flow is exactly stoichiometric, the combustion temperature reaches the highest. 预混气流的当量比为化学恰当比时，燃烧温度最高；
- The system can easily change coflow temperature, oxygen mole fraction and turbulence parameters by changing the coflow mixture equivalence ratio. 该试验装置利用氢气／空气预混合气的高温产物来形成可控活化热氛围，能方便地通过改变协流当量比而改变协流的热氛围、氧氛围和湍流场。
- The experimental results showed that, when cyclic hydrogen remains constant, mixture equivalence ratio can be adjusted by the change of EGR rate. 实验表明：在循环喷氢量不变时，可以通过调节EGR率改变混合气的当量燃空比。
- The test result shows that the equivalence ratio of n-heptane in mixture decides the HCCI ignition and controls the combustion phase of HCCI. 结果表明：混合燃料HCCI着火以及燃烧相位主要取决于正庚烷实际的燃空当量比；
- Experimental results showed that a "U" shape curve existed between the critical initiation energy and IPN equivalence ratio. 实验结果证明了 IPN的临界起爆能与燃料当量比成“U”形曲线关系 ;
- On this basis it makes some study on the combustion process of hydrogen-fueled IC engine by changing the ignition advance angle and equivalence ratio of the model. 在此基础上,进行了点火提前角和燃空当量比对氢内燃机燃烧过程的影响研究,为合理组织氢内燃机的燃烧过程研究提供了依据。
- Influences of operating parameters, e.g. intake temperature and pressure, compression ratio, equivalence ratio on the performance of the PM engine were discussed. 着重讨论了进气温度和压强、压缩比、过量空气系数等参数对多孔介质发动机性能的影响。
- The land is laid down with red or white clover. 这块土地种上了红花和白花苜蓿。
- The effect of equivalence ratio on the gas composition, calorific value , gasification efficiency, gas production yield and charcoal production output is studied. 通过调节空气的流量,研究了当量比+对产气组成、气体热值、气化效率、气体产量和木炭产量的影响。
- The place used to be a stretch of barren land. 早先这里是一片不毛之地。
- Swans are surprisingly awkward on land. 天鹅在陆地上笨得出奇。
- That remote barren land has blossomed into rich granaries. 过去的穷乡僻壤变成了富饶的谷仓。
- The land flattens out near the coast. 海岸附近地势变得很平坦。
- The blizzard blotted out the sky and the land. 暴风雪铺天盖地而来。
- The storm blew fiercely over land and sea. 暴风雨猛烈地吹过陆地和海面。
- How they long to get a sight of their native land! 他们多么渴望看一看故乡啊！
