查询词典 SR

ABSTRACT The development history and current research state of pulsed discharge-excited alkaline-earth Metal Vapor Lasers were reviewed in detail in the paper. After all those multi-mechanism lines region from ultraviolet to infrared had been successfully obtained in our experiments, a consistent model has been build up for longitudinal pulsed discharge excited He-Sr vapor laser.

详细评述了脉冲放电激励的碱土金属蒸气激光的发展历史和现状，在实验上成功实现碱土金属多种机制从紫外到红外的多条激光谱线后，对纵向脉冲放电激励的He-Sr蒸气激光建立了一个完善的、自恰的激光动力学模型。

Multiple stereoscopic modes: Dual link, Checkerboard, Difference, Anaglyph, Side by Side, Interlaced, and with the possibility to see one mode in the interface while using a different one in the SDI output. Playout and capture stereoscopic footage from/to HDCAM SR in dual stream mode.

多立体模式： Dual link， Checkerboard， Difference， Anaglyph， Side by Side， Interlaced和与可能在界面中看到一种模式，而使用不同之一SDI输出，播放和采集立体连续镜头通过HDCAM SR用双码流模式。

A STUDY OF Sr AND Nd ISOTOPIC GEOLOGY DURING ANATEXIS IN THE AREA NO.

8411地区深熔作用的Sr，Nd同位素地质研究

The chemical composition of Pingyang gneissic granite with high contents of SiO〓, Na〓O, Sr and Ba was inherited and developed from that of mainly biotite gneiss through anatexis under the background of regional migmatisation, it might also be introduced the fluid material from deep.

平阳片麻状花岗岩的化学成分是在区域混合岩化对岩石成分总体改造趋势的背景下，在黑云斜长片麻岩成分的基础上，通过黑云斜长片麻岩的深熔以及可能的变质脱水反应流体和深部流体的加入演变而成，富SiO〓、Na〓O以及Sr和Ba。

Strontium and yttrium can be separated by changing the acidity, and it can be used to separate the radioactive Sr from matrix.

通过调节萃取液的pH值，可实现Sr和Y的分离，并可将其用于裂变产物中放射性Sr的分离。

1-phenyl-3-methyl-4-caprylpyrazolone-5 was synthesized from 1-phenyl-3-methyl-pyrazolone-5 and caprylyl chloride, and some extraction parameters were investigated such as the acidity, the concentration of Sr, the time of the extraction and the thinners.

通过1-苯基-3-甲基-吡唑啉酮-5与辛酰氯合成萃取剂1-苯基-3-甲基-4-辛酰基吡唑啉酮-5，并对其萃取Sr的影响因素，如酸度、Sr浓度、萃取时间和稀释剂等进行研究。

Low magnetic susceptibility, low CaCO_3, low organic carbon concentration C_(org, low C/A (Chenopodiaceae/Artemisia) ratio, low Sr concentration and, hence, high Rb/Sr ratio in the lake sediments indicate a cold but moist climate during the global Little Ice Age in the Daihai area.

岱海地区小冰期最盛期是以高Rb/Sr比值、低磁化率、低CaCO_3、低C_、低C/A比和孢粉浓度的湖泊沉积为特征的，反映流域所经历的冷湿的气候环境。

The microstructural nomograph of these Al-Si alloys is constructed to provide for the selection of optimum addition of Sr or Sb in production practice Experimental results indicate a threshold of Sr content in Al-Si alloy modification, over it, the structure of Al-Si alloy may be completely modified even at quite slow cooling rate down to 4.5℃/min.

实验结果表明，Al-Si合金加Sr后变质存在一个变质阈值，超过这个阈值时，即便在投缓慢的冷速(4.5℃/min)下，仍能获得完全变质的组织。这个变质阈值随着冷速的减慢而增大。

Result and conclusion: The electrochemical experimental results show that the two totally irreversible oxidation peaks in the region of 0.3-1.2 V vs SCE for both MT and SR were observed,and the electrode reactions processes were diffusion-controlled.Their electron transfer number n and electron transfer coefficient α were obtained by CV and electrolysis with coulometry.The diffusion coefficient D and rate constant k f were also calculated by CC and CA.

结果与结论：在0.30~1.2 V电位窗口内，MT和SR均产生1个不可逆氧化峰，并且它们的电极反应均受扩散步骤控制；用控制电位电解库仑法和循环伏安法得到MT和SR的电极反应电子转移数n和电荷转移系数α，运用计时库仑法和计时电流法测定了它们的扩散系数 D 及电极反应速率常数kf。

An available method for calculating the capacity of TCR or SR is developed especially, to solve the problem of time variation of arc furnace parameter, and to...

特别是在计算TCR和SR的容量时开发了一种有效的方法，克服了电弧炉参数时变的困难，并可计及TCR控制系统的放大倍数和时延以及SR的伏安特性斜率和时延的影响。

I can not make it blossom and suits me

我不能让树为我开花

When temperatures are above approximately 80 °C discolouration of the raceways or rolling elements is a frequent feature.

当温度高于 80 °C 左右时，滚道或滚动元件褪色是很常见的特征。