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The results indicated that ultra-low nitrogen (0.001 0%-0.008 0%, w/%) in low alloy steel could be determined accurately under such optimized analytical conditions as follow: the addition of deoxidizing agent was less than 0.35%, multi-head milling cutter should be chosen and the milling depth was 1.4 mm while sampling, the mass percentage of argon was no less than 99.999 5%, the washing time was set as 8 s, the precombustion time was set as 3. 3 s and energetic precombustion energetic measure optical source mode is adopted.

结果表明，取样时控制脱氧剂加入量不超过0.35%且选用多刀头铣刀盘，铣样深度为1.4 mm；在氩气的质量分数不小于99.999 5%，冲洗时间为8 s，预燃时间为3.3 s，采用高能预燃高能测量光源方式等优化的分析条件下，可有效测定低合金成品钢中质量分数为0.001 0%~0.008 0%的超低氮。

The high iron and low silica sintering of titaniferous iron concentrate was realized with optimal proportioning ore under the present condition in Panzhihua New Steel and Vanadium Limited Company.

在攀枝花新钢钒股份有限公司炼铁厂现有的资源条件下，通过优化配矿实现含钛铁精矿高铁低硅烧结，烧结矿全铁的质量分数从49.20%提高到51.46%，SiO2的质量分数从5.30%降低到4.05%。

Secondly, the fractional order differentiation of rectangle signal, triangle signal and trapezia signal are carried out, meanwhile the analytical expressions of them are presented in this paper.

给出了一些常用周期信号分数阶微分的解析形式，同时也研究了周期序列的分数阶微分运算的数字实现。

Hypoxic-ischemic encephalopathy experimental grouping: Sixteen successful C57/BL6J mice models, aged 7 days, were randomized into 2 groups: experimental group (n =8), following ligation of right common carotid artery, mice were placed in the closed container containing 0.08 volume fraction of oxygen and 0.92 volume fraction of Nitrogen gas, and taken out 1.5 hours later; 3 μL ESCs were injected into the right cerebral ventricle at about 1 week, and control group (n =8), in which, the same amount of PBS was injected into the right cerebral ventricle.③ At 12 weeks after transplantation, the survival and migration of induced ESCs labeled by Lac-Z in the spinal cord and brain were observed by zymologic method.

缺氧缺血性脑病实验分组：将造模成功的鼠龄7 d的C57/BL6J16只小鼠随机分为2组：实验组8只，结扎右侧颈总动脉后将小鼠置入含体积分数0.08氧气和体积分数0.92氮气的密闭容器内，1.5 h后取出；1周后在右侧脑室内注入3 μL诱导胚胎干细胞。

It is shown that the optimal experimental conditions are neutralisation level 90%, emulsifying agent usage level 3%; initiator concentration (NH4)2S2O8 0.06%, NaHSO3 0.04%, DMAEMA 0.02%; monomer concentration, 40%, respectively.

结果表明，最佳的实验条件：中和度为90%；乳化剂用量为3%；引发剂占单体的质量分数分别为(NH4)2S2O8 0.06%、DMAEMA 0.04%、NaHSO3 0.02%；单体在水相的质量分数为40%。

The relationship among the order of FRFT, the power of the pump beam and the propagation distance z is given. Mutual induced FRFT is another new method to realize light control light.

通过改变泵浦光的光功率，可以在同一位置得到信号光不同阶数的光学分数傅立叶变换图象，互诱导分数傅里叶变换是实现光控光的又一方法。

I was so moved when all of the audiences in the bird net welcomed the athletes of chinese.Taibei better than previous athletes,which surely made them perceive coming back home.

还有就是你要先了解清楚这些学校往年在你省录取的分数，如果高于你今年的分数，你的志愿也会落空。

By doing so, the grain size of prepared alkali zinc carbonate was 9.5 nm, Zn's mass-fraction was 56.18%, and that of Mg was 1.31%.

在此工艺下，可制得Zn的质量分数为56.18%，Mg的质量分数为1.31%，晶粒度为9.5 nm的碱式碳酸锌。

The decline of approximate 2 points (1.9 to 2.5 points) in physical capacity and approximate 1.5 points (1.3 to 2.0 points) in psychological well-being were responsive to the level changes of the self-feeding, self-dressing, or grooming from "independent" to "some help needed" or from "some help needed" to "completely dependent."

生理范畴的分数下降约2.0分(1.9至2.5分)、心理范畴的分数下降约1.5分(1.3至2.0分)反应出吃饭、穿衣、整理容貌这三项日常生活活动能力的状态从&不需要帮助&变成&需要一些帮助&，或是从&需要一些帮助&变成&完全需要别人帮助&。

Methods: Paraffin (7 μm in thickness) and methacrylate resin (25 μm) embedded renal sections were observed using 40× objective lens and 100× oil lens, respectively, and the volume fractions and diameters of the renal tubules and the tubule nuclei were estimated with stereological methods.

分别用高倍镜(40×物镜)和油镜(10 0×)观察石蜡(7μm厚)和甲基丙烯酸树脂(2 5 μm厚)包埋的肾脏切片，利用体视学方法测量肾小管的体积分数和直径以及肾小管细胞核的体积分数和直径。

However, as the name（read－only memory）implies, CD disks cannot be written onorchanged in any way.

然而，正如其名字所指出的那样，CD盘不能写，也不能用任何方式改变其内容。

Galvanizes steel pallet is mainly export which suits standard packing of European Union, the North America. galvanizes steel pallet is suitable to heavy rack. Pallet surface can design plate type, corrugated and the gap form, satisfies the different requirements.

镀锌钢托盘多用于出口，替代木托盘，免薰蒸，符合欧盟、北美各国对出口货物包装材料的法令要求；喷涂钢托盘适用于重载上货架之用，托盘表面根据需要制作成平板状、波纹状及间隔形式，满足不同的使用要求。