查询词典 at the peak of

Using the Mayall Telescope at Kitt Peak and the DEIMOS spectrograph on the the Keck II Telescope in Hawaii, the researchers found previously unseen red giant stars out to a distance of at least 500,000 light years from Andromeda's center.

通过在Kitt Peak天文台的Mayall望远镜，以及夏威夷上Keck II望远镜上的DEIMOS摄谱仪，研究者们发现了距仙女座中心至少50万光年，从未见到过的红色巨大恒星。

All indexes of systolic function (systolic peak velocity Vs、systolic peak displacement Ds、 and ejective fraction of left ventricle EF)were examined against baseline, at the end of 60 min ischemia and after 180 min reperfusion.

实验犬分别于缺血前基础状态、缺血60分钟、再灌注180分钟时进行心脏收缩功能指标参数，即收缩峰值速度、收缩峰值位移、左室射血分数测量。

Finally, it analyses the time complexity of the algorithm and researches how it is influenced by culture operator.3、The paper presents the evaluation standard of the GA's application capability. Basing on characters such as continuity, multi-peak, vibration, randomicity as well as large-scale, five functions are selected to test search ability and robustcity of co-evolution algorithm. Finally, it analyses the simulation result and researches the influence of algorithm brought by culture operators.4、Basing on the concept of collection overcast, it researches the task distribution issue and constitutes delaminated math model on task distribution issue. It puts out the co-evolution algorithm of subtask's decomposing. The experiment compare IGA、SGA to CN and validates the efficiency of co-evolution algorithm on the NP completeness issue.5、Being aim at the optimization issue of load of antenna near ground, it combines many GA strategies and puts forward strategic meme. And it puts out co-evolution algorithm of load of antenna design. And it emulates the optimization design of load of antenna near ground. Finally, it valuates the co-evolution algorithm's efficiency on the continuum search issues of multi-variable and multi-peak value.6、Being aiming at the knowledge of image model matching, it adopts single meme and real code. It puts out fast co-evolution matching algorithm strategy. Basing on NPROD resemble measurement, I emulate the indiscrimination model matching and discrimination model matching. Finally, it valuates the co-evolution algorithm's efficiency on the real code and real time search issue.

分析了算法的时间复杂度，研究了文化算子对算法时间复杂度的影响。3、提出了GA的应用性能评价标准，从连续性、多峰性、随机性、振荡性、广域性多个角度出发选择五个测试函数，对共同进化算法的搜索性能和鲁棒性作了函数优化的性能测试，分析了仿真结果，研究了文化算子对算法的影响。4、基于集覆盖的概念，研究了MAS中的任务分配问题，建立了任务分配问题的分层数学模型，给出了子任务分解共同进化算法，实验比较了IGA、SGA、CN，验证了共同进化算法对NP完全问题的有效性。5、针对近地天线加载优化设计问题，结合多种改进GA策略，提出了策略型拟子，给出天线加载设计的共同进化算法，对有耗半空间对称偶极子天线加载优化设计作了仿真实验，验证了共同进化算法对多变量多峰连续搜索问题上的有效性。6、针对图像模板匹配问题的领域知识，采用单类拟子和实数编码，给出快速共同进化匹配算法策略，基于NPROD相似度测度，仿真试验了无差别和有差别模板匹配，验证了共同进化算法对实数编码和实时性搜索问题上的有效性。

The charm of the plateau goes far beyond the acclamations of the geoscientists; natural landscapes can also move ordinary people. The dozens of rows of glaciers at the foot of Xinqing Peak run several dozen kilometers long, with a thickness of over 30 meters, yet the volcanic hot springs still erupts from them, and the story of fire in the ice has been lasting for tens of thousands of years. The Wulao Peak flies upward in the splashing of the waterfalls running down from the glaciers several hundred meters high, the momentum surpassing any rock waterfalls we have heard of before.

高原的魅力远不止于地理学家口里的啧啧赞叹，许多自然胜景也同样会让我们寻常人感到震颤：新青峰脚下纵列数十道的冰川，长达几十公里，厚过30米，却仍然不能熄灭从中喷射而出的火山沸泉，冰火浴生的故事在那里上映了数万年；五老峰则从高达百米的冰川里下泻的瀑布水沫中飞扬，其气势和声涛胜过我们熟知的任何岩石瀑布。

Results①In non-vibration group, the peak of temperature appeared at operation 3min; in vibration group,the temperature were increasing gradually as the peak appeared at evacuating 3min .②vibration group had better significant and persistent calorigenic effect than non-vibration group. ConclusionVibration massage apparatus has the validity of heightening temperature.

结果①不同测量时间对受试者局部温度有影响（P.05），空置组中温度升高在空置3 min后即刻尤为明显，尔后温度呈逐渐下降趋势，而振动组中随着时间的增加，背部温度不断升高，在振动后撤离仪器3 min达到峰值；②空置组和振动组都能使局部皮肤温度有不同程度的升高，但振动组比空置组产热效应更显著，而且更为持久。

Results The peak of antibacterial activity appeared at 36-48 hafter induced by four inducements (Because many M.domestica larvae pupated,we did not observe the peak of antibacterial activity by heat-shock). The antibacterial activity of antibacterial proteins by S.aureus was best,and the antibacterial activity of antibacterial proteins by heat-shock was better than control group.

结果 各诱导组诱导家蝇幼虫产生抗菌蛋白达最大活性时间为诱导后36～48h(热诱导后家蝇幼虫很快化蛹，未观察抗菌蛋白产生高峰时间)；金黄色葡萄球菌诱导后的抗菌蛋白抗菌活性最佳，热诱导后的抗菌蛋白抗菌活性也较未诱导组好。

Based on the real observation data, forecast equitation or forecast model, the dynamics method such as divergence and vorticity calculation, real data correction, ascending and subsidence calculation was used to simulate the 4D field of divergence, vorticity and vertical velocity at different time, different range and different levels. The field was connected to 3D fields of insect trajectories, yielding the flying speed, direction, ascending area and subsidence. Thus the peak of immigratory insect could be timely monitored. A system of the peak of immigratory insect forecast was set up.

根据实际观测资料、数值预报方程或数值预报模式等输出的风场网格化处理结果，利用运动学方法、散度推算法、涡度推算法、实际资料订正法、升降法等对不同时间、不同范围、不同层次的四维散度、涡度和垂直运动速度场进行计算或模拟，将计算或模拟得到的散度场、涡度场、垂直运动速度场与昆虫迁飞的三维气流场联系起来，得到该类昆虫所具有的迁飞速度、方向、上升区和下降区，从而对昆虫的迁入峰进行实时预警。

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。

Based on Wavelet Packet Analysis and Smoothed Pseudo Wigner-Ville Distribution, the experiment data is time-frequency analyzed. The experimental results indicate that the amplitude of the laser-induced acoustic waves increases with the laser energy; the frequency coverage is from 0 to 150 KHz, and in the meantime there is a peak located at about 25 KHz. In addition, the spectrum and the peak of frequency are basically stable in spite of the change of laser energy and target texture.

从基本的空泡动力学理论出发，推导了空泡各特征参量之间的关系，进而对空泡动力学模型进行了修正；采用有限差分法对空泡脉动进行数值模拟，得到了空泡脉动特性随液体粘性、空泡含气量、表面张力以及可压缩性的变化规律；实验上采用光偏转测试装置探测了激光空泡脉动以及空泡溃灭的细节过程，进而分析了液体粘性和作用激光能量对空泡脉动周期、泡半径及泡能等特征参数的影响。

At level of N1, rhizosphere effects decreased the peak, trough, breakdown, visco and setback of spring-sown maize; at level of N2 the other four paste properties were all increased except breakdown.

两个氮水平下，根际作用对普通夏玉米Peak、Trough、Visco、Setback均为正效应，而对Breakdown为负效应。

He and Nina moved to California and lived at 2005 Ivar Street, Apt.

他和Nina搬到加州，并在2005年伊瓦尔街，公寓生活。

Droperidol （ potently inhibits transfected HERGchannels and this is the probable mechanism for QT prolongation.

氟哌利多有效地抑制了转染的 HERG 钾通道，可能是 QT 间期延长的机制。