查询词典 X ray

The unit cell parameter of polypropylene crystallized with different method and condition was studied:curves of wide angle X-ray diffraction are determined by stepwise scanning method,X ray multi peaks resolution program and simulation program of unit cell parameter developed by the general inverse matrix method are used as data processing of determined results.

研究了不同方式和条件下形成的等规聚丙烯结晶的晶胞参数，用步进扫描测定试样的宽角X-射线衍射，用广义逆矩阵法编的计算机分峰程序和晶胞参数拟合计算程序对测定结果进行计算和数据处理。

Then threekind of hard X-ray space telescopes, namely the collimator, the rotating col-limator and coded aperture mask telescopes, are introduced. Finally the softX-ray imaging telescope is introduced.

然后分别介绍了三种类型的硬X射线空间望远镜，包括准直型、旋转调制型和编码孔径型望远镜，最后简略介绍掠入射型软X射线成像望远镜。

What in the paper mainly is use method of digital image processing and image analysis to process and analysis the X-Ray image of cannonball getting under the X-Ray .

主要是采用图像处理和分析的方法对取得的炮弹X射线图像进行处理和分析。

Surface compositions were studied by X-ray diffraction analysis. Ca/Na of carnallite components were determined by X-ray photoelectron spectroscopy.

运用X射线衍射法分析了不同粒径的光卤石矿表面的化学组成，运用光电子能谱法分析了其表面Na/Ca的摩尔比，用扫描电镜及能谱分析直接分析了各种晶体存在的形态。

Radiation from X ray also can affect the developing embryo and fetus ,with the most dangerouse time bing the first several weeks after conception,when women do not yet know they are pregnant .it is important for women and their physicians to weigh the risk of an X ray when an actual or potential pregnancy is involvel.

在有了胎儿这个概念的前几个星期，有很多危险的时刻，因为女人们还不知道他们已经怀孕。X射线对于女人和她们的身体有致命的危害。当然也包括胚胎和胎儿在内。

TAIC is availavle for linking by x-ray, y-ray electron or ultra violet ray radiation and the product polyolefines have the superior insolubility to solvents and the tensile strength at high temperature could be improved.

TAIC可以应用在聚烯烃的X射线等，或紫外线辐照交联中，可赋于聚烯烃较好的溶剂耐受性，同时较高温度时的强度也得到提高。

The X-ray compound lens is a novel refractive X-ray optical device.

X射线组合透镜是一种利用折射效应对 X射线聚焦成像的新型元件。

The compound X-ray lens is a novel refractive X-ray optical device.

铜材料 X射线聚焦组合透镜是一种基于折射效应的 X射线聚焦元件。

We firstly studied the material feature in X-ray band. Base on this, we defined the diffractive screen function. Subsequently, by using diffraction theory, it studied the focus performance and transmission efficiency of X-ray compound lens.

1理论研究。首先研究了X射线波段的材料特性，并据此得出了物面的衍射屏函数，然后利用衍射理论研究了X射线组合透镜的聚焦性能和透射效率。

Then the experimental setup for the focusing performance is described, and the focusing performance of the PMMA compound high-energy X-ray lens is tested under the inradiation of the 8 keV monochromatic X-ray.

最后给出8 keV单色X射线辐射下，PMMA材料X射线组合透镜的聚焦性能的测试结果，对实际测试结果进行了分析和讨论，得出结论，焦距等参量与理论计算结果基本吻合。

According to the clear water experiment, aeration performance of the new equipment is good with high total oxygen transfer coefficient and oxygen utilization ratio.

曝气设备的动力效率在叶轮转速为120rpm～150rpm时取得最大值，此时氧利用率和充氧能力也具有较高值。

The environmental stability of that world - including its crushing pressures and icy darkness - means that some of its most famous inhabitants have survived for eons as evolutionary throwbacks, their bodies undergoing little change.

稳定的海底环境─包括能把人压扁的压力和冰冷的黑暗─意谓海底某些最知名的栖居生物已以演化返祖的样态活了万世，形体几无变化。