功

To establish whether impaired renal function is an independent predictor of cardiovascular disease and death in an unselected high-risk population with CVD.

为了确定肾功受损是否是心血管事件和非选择性高风险合并心血管病死亡的的独立预测因素。

The lack of reactive power is the reason of the voltage unstability.

无功的缺额是电压失稳的本质原因。

A transient angle unstable mode of power system closely relates to a controlling unstable equilibrium point.

电力系统暂态功角失稳模式同相关不稳定平衡点密切相关。

The distribution of gear's contact stress, root stress, and contact engagement line in the engagement situation of gear pairs, were obtained on the base of explicit integration method. 3. Adopting the method of system matrix, the torsional vibration differential equation of general shafting was gained. The simple harmonic forms of excitation torque under the normal combustion or piston flameout of in-line engine and v-type engine were analysed. The decoupled algorithm of free vibration and forced vibration and the solution to the vibration damper's energy of resistance and the off-resonance calculation were studied. The sensitivity formulations of the natural frequency and vibration mode to physical parameters of system were derived by solving the eigenvalue problem. These sensitivity formulations provided the theoretical base for the dynamic modification of structure.

运用系统矩阵法建立了轴系的扭振微分方程，并对直列和V型发动机在正常发火和气缸熄火工况下的激振力矩进行了详细的简谐分析；基于精确方法推导了自由振动和强迫振动的解耦算法，给出了能量法计算中的减振器阻尼功求解和非共振计算方法；并研究了曲轴系扭振非线性分析中的变惯量问题，得到了单缸转动惯量的精确求解公式以及变惯量和固有频率的关系式；最后，从特征方程和振型正交性出发，推导了固有频率和振型对轴系转动惯量和刚度等物理参数的灵敏度，为扭振系统的结构动力学修改提供了理论基础。

The simulation results demonstrate that the stator flux oriented vector control strategy is feasible and practical. As a result a method is provided to realize independent controls of active and reactive power for ACEM concretely.

仿真结果验证了本文所提出的定子磁场定向矢量控制策略的正确性和实用性，从而为具体实现对交流励磁电机有功和无功功率的独立控制提供了一种方法。

The best technical formula for the production of ice cream by using vegetal materials to substitute milk powder was obtained.

冰淇淋产品在经历了品牌、口味、价格和花色品种的竞争后，现已逐步趋向于天然和功

Harmonize the relation among vice-principal、executive administrators and dominated teachers in a stable structure.

协调平衡老师与同学关系，一团和气；（4）将政策分解给下属，将情况汇报给上级，无功无过。结论：平平淡淡。

If we advertise Falun Gong, then why don't we also say the show has Tibetan dancing and Mongolian dancing and Korean dancing?" said Vina Lee, a choreographer and a principal dancer."

编舞和领舞者李维娜说："要是我们提及法轮功，那么我们为何也不说这次演出有西藏舞蹈、蒙古舞蹈和韩国舞蹈呢？"

3 The difficulties if the curriculum: internal force calculation of combined structures; virtual work principle and displacement calculation ; displacement method; analysis of structural matrix analysis; dynamic calculation.

本课程难点：静定组合结构的内力计算，虚功原理和结构位移计算，力法，位移法，结构矩阵分析，结构的动力计算。

Basing on the computing model of liquid viscous resistance of the sucker rod string, damping coefficient of power law flow for sucker rod string is created, using the condition of equivalent merit. Mathematics model and emulate model of the vibration of sucker rod sting are established.

以幂律流抽油杆柱液体粘滞阻力的计算模型为基础，并应用等功条件提出了幂律流条件下抽油杆柱阻尼系数的计算方法，并依此建立了聚驱抽油杆柱轴向振动的数学模型和仿真模型。

Cynanchum Lingtai apricot production in the average weight 65 grams, the brightly-colored fruit, juicy rich, sweet-sour taste, sweet from the nucleolus, when the late Qing Dynasty famous Shaanxi, Gansu provinces, the Qing imperial court Tongzhi tribute for years.

灵台生产的牛心杏平均单果重65克，果实色泽鲜艳，汁多味浓，甜酸适口，离核仁甜，清末时就驰名陕、甘两省，清同治年间曾为朝廷贡品。

Chenopodium album,Solanum nigrum, and Amaranthus retroflexus were very susceptible to the herbicides. Polygonum persicaria and Abutilon theophrasti were relatively less susceptible to the herbicides, and Lycopersicon esculentum was not susceptible to it. The relationship between reduction rates of weed biomass and PPM values of weed leaves 2,4, and 6 days after treatment was established.

供试的6种杂草对该混剂的敏感性存在显著差异：红心藜Chenopodium album、龙葵Solanum nigrum和反枝苋Amaranthus retroflexus对该混剂最敏感，ED90值分别为47.65、71.67和29.17g/hm2；春蓼Polygonum persicaria和苘麻Abutilon theophrasti敏感，ED90值分别为96.91、114.20g/hm2；而番茄不敏感。