查询词典 acceleration note

The results show that,(1) the ion acceleration and energization mainly occur in the middle of dipolarization at distance of -12 RE to -8 RE,(2) the ion acceleration and energization along the direction perpendicular to magnetic field are faster than along parallel directi on,(3) variations of speed and energy for lighter ion are faster than that o f heavier ion,(4) the higher the initial energyis,the faster the ion accelerati on is, and the more energy is obtained by the ions.

主要结果为：(1)离子的加速及能量变化主要发生在磁场偶极化过程的中期，对应的地心距离位于-12RE到-8RE之间；(2)垂直于磁场方向上离子加速及能量变化较快，平行方向上较慢；(3)轻离子较重离子加速及能量变化快，磁场偶极化终结，3种离子的能量均可增加200倍左右；(4)初始能量较高时，离子加速及能量变化较快，离子最终获得的能量较大。

Based on the dynamic equation, the transport and acceleration of out-flowing ionospheric ions in the magnetosphere are studied by means of finding the ion distribution function. They include two parts: the study of static ion distribution with analysis and numerical compute; the study of ion acceleration by induced electric feild in the period of dipolarization of taillike geomagnetic lines in the substorm expansion phase with the numerical simulation of the ion distribution function.

本文在磁层中上行离子的加速与传输理论研究领域中，采用动力论方程，用求解离子分布函数的方法来研究问题：(1)用解析求解和数值计算的方法，对上行离子在不同Kp指数条件下磁场位形中的定态分布进行了研究；(2)用数值模拟计算分布函数的方法，对上行离子在亚暴膨胀相磁场向偶极形驰豫过程中受磁尾的感应电场加速进行了研究。

For the question of distribution and acceleration of ionospheric ions O+,H+ and He+ in the magnetosphere, the ions static distribution function is found by solving the dynamic equation, and the up-flowing ion static distributions with various Kp indexes are investigated. The ions distribution function during the geo-magnetic dipolarization is simulated, and the upflowing ion acceleration in the magnetotail is investigated.

针对磁层中电离层离子O+、H+和He+分布与加速问题，采用动力论方程求解了离子定态分布函数，研究了不同Kp指数条件下上行离子的定态分布；模拟了磁场偶极化过程中离子分布函数随时间的变化，研究了上行离子在磁尾的加速。

For a relatively longer intense short-pulse laser, especially when local phase matching in the laser pulse between the ponderomotive force and the wake plasma oscillation occurs, there is strong electron acceleration in the laser-excited wake field and weak acceleration inside the laser pulse.

对于脉冲相对较长的短脉冲激光，尤其是在激光脉冲内等离子体尾波振荡和有质动力发生局域的相位匹配时，在激光激发的尾波场电子有很强的能量，这时在激光脉冲内电子的有质动力加速效率很低。

The amplitude of acceleration parallel to tractional direction is about ten times as that of acceleration in vertical direction for test points on soil.

地基中测点平行于牵引方向的加速度幅值大约是垂直牵引方向的加速度幅值的10倍。

The measured value of unmodelled acceleration for Cassini is (26.7 ± 1.1)× 1010 m/s2, roughly three times as large as the Pioneer acceleration.

卡西尼号的额外加速度是(26.7 ± 1.1)× 1010 米/秒2 ，大致为先驱者号加速度的3倍。

The results indicate that, at the level of 10% probability of exceedance in a 50-year period, peak acceleration in Changde area is largest,the areas where PGA0.5m/s2 have been obviously broadened,and the regions where PGA1m/s2 in the central and southern hunan area have been aggrandized, on the contrary,peak acceleration in Yueyang area is lower than current seismic hazard map of China,the peak ground motion distribution patterns in each metropolitan city of the North China are consistent with current seismic hazard map of China.

本文的结果表明，在50年10%超越概率下，常德地区的峰值加速度最大，区内峰值加速度大于0.5m/s-2的区域面积明显扩大，大于1m/s-2的区域在湖南的中部和南部有所增加，岳阳地区峰值加速度偏小，但本文所得的峰值加速度分布趋势与中国地震动参数区划图基本一致。

Compared with reinforced concrete floor, steel deck possess the advantage of thin wall, light in mass, but owing to smallness of damp, weakness of dissipation of energy, comfort possibly dissatisfies applicability required. Therefore, this paper first calculates and analyses dynamic property of new style steel deck; according to single footfall curve, ascertaining hominine walking excitation; utilizing time-history analytical method, calculating peak acceleration response of floor slab under excitation, and analyzing peak acceleration response proceeding from different board stride, different damping ratio as well as different profile.

相对于钢筋混凝土楼板而言，虽然钢承板具有壁薄、质轻的优势，但由于阻尼小、耗能差，其舒适度可能会不满足适用性的要求，为此本文首先计算和分析了新型钢承板的动力特性；根据单步落足曲线确定了人的行走激励；利用时程分析法，计算了楼板在行走激励下的最大加速度响应，并对不同板跨、不同阻尼比以及不同板型下的最大加速度响应进行了分析，结果表明这三种因素，尤其阻尼比和板型对于加速度响应的影响较大。

Aiming at the problem of predetermining the deceleration point in acceleration/deceleration control before interpolation, a new single segment acceleration and deceleration control approach was put forward to confirm the actual deceleration point.

针对任意路径段在插补前加减速过程中需要预测减速点的问题，进一步提出了段内加减速控制新方法，实现了对实际减速点的确定。

Firstly, a new design method of cam profile has been developed by using finite terms of Fourier Series in the cycle of cam angle as the basic equation of cam profile, so the difficulty of base circle wave existing in the method of resonant cam design can be eliminated. On the other hand, the method proceeds from the acceleration of cam profile, which makes the acceleration not only smooth and continuous, but also easy to be controlled, and the cam profile with good performance can easily be acquired.

此方法用以凸轮包角为周期的富立叶级数有限项作为凸轮型线的基函数，可以免去谐波凸轮设计时控制基圆波动的困难；此方法又是从凸轮型线的加速度曲线入手进行设计，使型线加速度不但光滑、连续，而且形状容易控制，便于设计出动力性能优良的凸轮型线。

Objective:To compare the response control and attention of Schizophrenic patients with that of the healthy controls by Integrated Visual and Auditorycontinuous performance test. To quantitate the impairment of cognitive function in patients, and to explore the relationship between cognitive function and the severity of the disorder.

目的：探讨精神分裂症病人在IVA持续操作测试中的反应控制能力、注意力等，并与健康人进行比较，从而量化精神分裂症病人的认知功能损害，并进一步探讨其认知功能与疾病严重程度的关系。

Main effective factors including subcooling degree, mechanical vibration, gas hydrate reformation, environment temperature, noncondensing gas and surfactant are analyzed.

指出过冷度、机械振动、重复生成水合物、环境温度、不凝性气体、添加剂是影响气体水合物生成的主要因素，还对R152a水合物的放冷进行了实验研究。