范围

X-ray ,which is excited from the X ray tube, has one wavelength scope, that is energy scope. According to the elements to be analyzed, X ray is choused by filter, and reach the sample. Atoms in the sample will absorb the X ray energy and the decay to emit the special x ray. The X ray will be collected by the collimator into the detector active area, and transferred into electron signal, the signal also will be processed in to energy spectrum and related concentration data by pulse processor with software.

从X光管通过激发Excitation发射出来一定波长范围也就是说一定能量范围的X射线，结合所需要分析的目标元素，使用滤光轮选择对应的能量范围的X射线，照射到样品上，样品中含有的元素原子电子受到激发会发射出其特征的X射线，同样通过Collimator准直器收集一定孔径的X射线进入到检测器Detector，检测器将感应到的X射线转换为电信号，电信号经过脉冲处理器Pulse Processor结合软件进一步将电信号转换成为能谱图以及相关浓度信息。

Author discusses the approaches of delimitating city's influence coverage, and proposes that we can use Voronoi diagram as a tool, and makes an attempt of application of ordinary Voronoi diagram and weighted Voronoi diagram on delimitating city's affected coverage in Henan province and experimental result shows that weighted Voronoi diagram is an efficient technique for it.

本文分析了划分城市空间影响范围的方法，指出Voronoi图是在城市与区域规划中界定研究对象空间影响范围的一种方法，并分别利用普通Voronoi图和加权Voronoi图进行了模拟河南省城市空间影响范围的实验。

Notating it and playing it on the keyboard, will help you to consider possible aspects that are generating boundaries and relations among boundaries.

用符号标出，并在键盘上演奏，将帮助你思考到一些可能的观念，而这些观念会是和范围的产生和范围与范围之间的关系有关。

This model gained large range of movement within small load range. With increasing load, the increment of range of movement trended to constant.

在较小载荷范围内，模型获得了较大的运动范围，随着载荷的增加，运动范围的增加量趋于稳定。

Results :（1）The bearing capacity of femoral neck assumed the tendency which unceasingly drops with the increasing of the range of femoral head necrosis.

结果：（1）随着股骨头坏死范围的增加，股骨颈的承载能力呈不断下降的趋势，股骨颈骨折越容易发生，差异具有显著统计学意义（P＜0.01）；（2）随着股骨头坏死范围的增加，股骨颈的强度呈不断下降趋势，即坏死范围越大，股骨颈的强度下降越厉害，以至人体不能负重，其差异具有显著统计学意义（P＜0.01）。

Using this method, wide dimming range can be achieved with narrow frequency range and constant DC link voltage. And the lamp current keeps perfect sine wave all the time, which means low lamp current crest factor is obtained. Its validity is verified by simulation and experiment.

本章最后提出了一种基于T型滤波器的新型的调光方法，采用此方法可以在保持逆变器直流母线电压和开关占空比不变的情况下，只需很窄的频率范围就能达到非常宽的调光范围，而且在整个调光范围内灯电流都基本上是完美的正弦波，这就意味着可以始终保持很低的灯电流波峰因数，仿真和实验结果充分验证了它的优点。

Paired t-test analysis was performed on the thresholds of SVR and PTA at each frequency (0.5, 1, 2 and 4kHz), and analysis of variance was performed on the difference between the pure tone audiometry threshold and the evoked potential threshold among different frequency.

对听力正常的46名志愿者，分别对双耳进行0.125~8kHz频率范围内的PTA阈值及0.5~4kHz频率范围内的SVR反应阈测试，通过配对t检验比较0.5、1，2、4kHz频率范围的SVR反应阈与PTA阈值的差异，并运用方差分析比较不同频率间的SVR反应阈与PTA阈值差值的差异。

After 20, 40, 60 or 90 minutes ischemia and 120 minutes reperfusion, the ratio of necrotic to no-necrotic liver were 3.9%, 13.5%, 66.4% or 82.7%, of those the percentage necrosis during reperfusion 120 minutes was 7.7%, 11.1%, 68.1% or 67.2% respectively; The liver volume of blood flow decreased to 94.7%, 85.3%, 55.9% or 43.5% of normal values in end of ischemia; Liver sinusoidal obstruction by blebs originating from the hepatocytes, fragments of sinusoidal endothelial cell damage and aggregation of blood cells was observed in group of 60, 90 minutes ischemia.

血流阻断20、 40、 60和90 min组再开放2 h，肝总坏死范围分别为3.9%、 13.5%、 66.4%和82.7%，其中肝血流开放后的肝坏死范围分别占肝总坏死范围的7.7%、 11.1%、 68.1%和67.2%；肝门静脉恒压灌流量于阻断期末分别下降5.3%、 14.7%、 44.1%和56.5%；肝血窦在阻断20、 40 min组无阻塞现象，阻断60和90 min组出现血细胞，膜浆泡和纤维束积滞，阻塞血窦面积占肝血窦总面积的50%。

Nevertheless, the pollution extents of these two dements are rather apparent at a distance beyond 500 m from the roadbed.

在距路基10m范围内为土壤重金属重度污染带，10～100m范围内为中度污染带，100～500m范围内为轻度污染带。

DC to GND DC to BAT BAT, CHG, POK, USB to GND Operating Temperature Range Junction Temperature Range Storage Temperature Range Lead Temperature (soldering, 10s) Continuous Power Dissipation (TA =+70C) 5-Pin Thin SOT23 Derates above +70C 5-Pin Thin SOT23

直流接地直流英美烟草英美烟草，嗜铬粒蛋白2710 8860，USB到GND的工作温度范围结温度范围储存温度范围引线温度（焊接，10秒）连续功率耗散（电讯局长=+70℃）5引脚薄型SOT23封装Derates以上+ 70℃5引脚薄型SOT23封装

Breath, muscle contraction of the buttocks; arch body, as far as possible to hold his head, right leg straight towards the ceiling (peg-leg knee in order to avoid muscle tension).

呼气，收缩臀部肌肉；拱起身体，尽量抬起头来，右腿伸直朝向天花板（膝微屈，以避免肌肉紧张）。

The cost of moving grain food products was unchanged from May, but year over year are up 8%.

粮食产品的运输费用与5月份相比没有变化，但却比去年同期高8％。