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From 1997 to 2006 the H5N1 virus strains have increased in virulence in experimentally infected chickens and mice.

从1997年至2006年的H5N1病毒株在增加毒鼠实验感染鸡。

In the last study, the researcher experimentally manipulated the saliency of an individual's hourly wage rate to see if this influenced the strength of the relationship between income and happiness.

在过去的研究中，研究人员实验操纵一个人的小时工资率显着性，看看是否影响了收入和幸福之间关系的实力。

To create a mathematical model for the hydro-ballistic trajectory of high speed pellet entering water, the hydro-ballistic trajectory and cavity of sphere and pistol pellets entering water at three oblique angles and six velocities have been experimentally studied using a high-speed digital video recorder.

为了建立高速弹体入水弹道的模型，利用数字式高速录像机实验研究了球形与普通手枪两种弹丸在三个入水角、六种发射速度下斜入水的水中弹道轨迹与空泡。

The hydro-ballistic trajectory and cavity of sphere and pistol pellets entering water at three oblique angles and six velocities have been experimentally studied using a high-speed digital video recorder.

利用数字式高速录像机实验研究了球形与普通手枪两种弹丸在三个入水角、六种发射速度下斜入水的水中弹道轨迹与空泡。

M and its accuracy is experimentally proved to be better ±50MHz. Based on the multiple VETs'principle, we also designed a novel compact wavemeter constructed by a triple VETs.

二、为实现对钛宝石激光器的自动扫描控制，研制了和钛宝石激光器，波长计，计算机联接的接口电路，编制了相应的控制软件。

The solutions were found to be good agrees with experimental results. The transfer characteristic of air dry/wet bulb temperature and spraying water temperature were discussed. The LMTD method based on this mathematical model is applicable to design and verify for the plate wet air cooler. The ratio of the wet bulb heat transfer coefficient to the heat transfer coefficient under air-cooled conditions was investigated theoretically and experimentally. The relative errors of the ratio between theoretical and experimental valves are small than 7 percent.

分别得到了平行流型式微分方程组的解析解与交叉流型式的近似解析解，实验验证了该解析解具有较高的计算精度；探讨了空气干湿球温度与喷淋水温的迁移特性；分析得到基于湿球温度迁移模型的对数平均温差法在湿式空冷器的设计与校核计算中是适用的，给出了空气湿球换热系数与空冷时空气对流换热系数比值的理论与实验确定方法，比值系数理论值与实验值比较最大相对误差小于7％。

Oxygen diffusion kinetics in wolframite have been studied experimentally over the temperature range 500~800°C at 100 MPa pressure.

在水压100 MPa，温度500~800℃和富18O水的热液条件下，开展了黑钨矿氧扩散动力学的实验研究。

Typical simulation data (along X-axis and Y-axis) of different models are consistent with the experimentally measured results.

各模型中具有代表性的X轴、Y轴方向的电位模拟计算值与实测值接近。

The patent separation process of adsorptive distillation was studied theoretically and experimentally in this thesis.

本文对吸附蒸馏过程的原理、特点、适用范围、过程模拟及在模拟过程中涉及的吸附平衡等进行了详细的分析，并进行了大量的实验研究，对吸附蒸馏过程及所提出的理论进行了验证。

An optical source usedto pump XeF laser is introduced.The discharge breakdown property,the current as afunction of charge voltage in different gas,the discharge homogeneity and the effect ofdifferent gas composition on the discharge radiation have been experimentally studied.

介绍了一种用以泵浦XeF激光的横向表面放电辐射源，比较详细地研究了这种泵浦源的放电击穿特性、放电电流与充电电压及不同气体介质的关系、表面放电均匀性以及不同气体成分对表面放电辐射特性的影响。

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。