查询词典 U-shaped

This paper,by applying the theory of probability statistics,explains the relationship between the emission current I and the interelectrode voltage U in the thermoelectron emission phenomene,and then gives the expression of their relationship:I=ImΦ.

本文应用概率统计的理论对热电子发射现象中发射电流 I和两极间电压 U之间的关系进行了解释，得出它们的关系是： I=ImΦ，并给出关于参数 Im、 a、 b的确定方法。

Foreign-born Asians and Hispanics have higher rates of intermarriage than do U.

外国出生的人亚洲人和西语裔比做 U 有通婚的较高比率。

Environmental Kuznets Curve roughly reveals inverse U relationship between environmental pollution and economic development.

环境库兹涅茨曲线(Environmental Kuznets Curve，EKC)粗略地揭示了环境污染与经济发展之间的倒U形关系。

We make a study of the Baiqiang County in China, and we find that China is in a speedup stage of industrialization course. The reduction of the farmland is the ascent stage of the inverse U curve, and the reduction of the farmland will continue.

通过研究发现，中国目前处在工业化的加速时期，耕地的减少速度也处在倒U形的上升阶段，耕地减少趋势还将持续，尚未达到最高点。

Based on the annotation of coupling between urbanization and eco-environment,the rule curve has been deduced by combining "S" curve of urbanization growth and inverse "U" curve of eco-environment changing,and the coupling rules of China been tested and the causes been explained.

本文在阐明城市化与生态环境交互耦合含义的基础上，利用城市化的S型生长曲线和生态环境演变的倒U型曲线，演绎出城市化与生态环境耦合的规律曲线，并以中国的实际数据为例，进行实证分析。

Results show that: productivity of Chinas service industry is overall increasing and shapes inverse U curve; technical progress is the primary increase factor of service industry's productivity and technical efficiency is the key constraint of service industry's productivity increase in China; regional development of service industry productivity in China is extremely unbalanced and east region has more increase advantage comparing with middle and west region.

研究结果表明，中国服务业的生产率总体上处于增长趋势，并呈现出先增后降的倒U型特征；技术进步是服务业生产率增长的主要因素，而技术效率则成为制约服务业生产率增长的关键原因；服务业生产率的区域发展极不平衡，东部地区具有明显的增长优势，而中西部地区的大多数省份发展滞后或缓慢。

The paper holds that a series of measures be adopted so as to resolve the contradictions and conflicts, based on an understanding of the environment Kuznets curve in inverse "U".

化解两者矛盾，必须在正确认识"环境库兹涅茨倒U型曲线"的基础上，采取一系列方法措施，包括树立科学的开发观，构筑科学的发展测量指标；转变开发方式，调整西部产业结构；进行绿色经济制度创新；加大中央政府转移支付力度等。

Keywords economic transformation;regional coordinating development;sharing improvement;equity;efficiency;curve in inverse 'U';actualizing mechanism;institutional innovation

Article From 西北大学；政治经济学博士论文 2006年度经济转型；区域协调发展；分享式改进；公平；效率；倒U型曲线；实现机制；制度创新

The purpose of the model is to denote that the inverse U-shape relation is efficient to rebalance market and recover market liquidity in spite of having no professional liquidity provider.

根据模型的结论，我们预测在公共信息流冲击有限的条件下，当买卖指令出现极端不均衡时买卖价差最小，即市场失衡与买卖价差之间存在倒U型关系。

To study the clinical significance of U-wave inversion in hypertension and coronary heart disease.

目的 探讨U波倒置在高血压、冠心病中的临床意义。

According to the clear water experiment, aeration performance of the new equipment is good with high total oxygen transfer coefficient and oxygen utilization ratio.

曝气设备的动力效率在叶轮转速为120rpm～150rpm时取得最大值，此时氧利用率和充氧能力也具有较高值。

The environmental stability of that world - including its crushing pressures and icy darkness - means that some of its most famous inhabitants have survived for eons as evolutionary throwbacks, their bodies undergoing little change.

稳定的海底环境─包括能把人压扁的压力和冰冷的黑暗─意谓海底某些最知名的栖居生物已以演化返祖的样态活了万世，形体几无变化。