查询词典 x-rays

The crystal monochromator is a key device of the X-ray beamline. It uses crystals as dispersive elements to diffract and separate the synchrotron radiation, and provide X-ray monochmmatic light with a given energy bandwidth.

晶体单色仪是X射线光束线上的关键设备，它用晶体作为色散元件，衍射、分离具有连续光谱的同步辐射，向用户提供一定带宽的X射线单色光。

Leaves basal, opposite; petiole 5-10 X 4-10 mm; leaf blade ovate to orbicular-ovate, 5-8 X 4-7 cm, papery, densely appressed puberulent and appressed pilose (hairs to 1 mm and to 3 mm), eglandular, base broadly cuneate, margin subentire to repand-crenate, apex acute to rounded; lateral veins ca.

叶基生，对生；叶柄5-10 X 4-10毫米；卵形叶片卵形到圆形， 5-8 X 4-7厘米，纸质，浓密贴伏被微柔毛和贴伏的具柔毛的(对1毫米和对3毫米的毛)，无腺体，基部宽楔形，侧脉约4在中脉每边各，不明显。

BMD was measured and healing condition was evaluated by X-ray observation and Dual Energic X-ray Absorptionat weeks 4,8,12 and 16 after operation,respectively.

术后4，8，12，16周行X射线观察和双能X射线吸收仪测量骨密度，评价骨缺损修复情况。

And selects parabola y=ax2+b (X,+3S supposes 100 points, X,+S supposes 60 points) as the formulation score parametric equation, and determines various indexs evaluation criteria of physical quality in primary selection of eurythmic gymnastics in our country.

并选取抛物线y=ax2+b（X，+3S设为100分，X，+S设为60分）为制定分数的参数方程，并在此基础上确定身体素质各指标的评价标准。

With the developing of science and technology, the corresponding optical components are required exigently, which work at hard X-ray radiation, for extend the applying range of X-ray optical component.

随着科学技术发展的需要，人们迫切需要在硬X射线波段建立相应的光学元件，拓展X射线光学元件的应用范围。

MRI showed this heterogeneously enhancing mass to be about 8 x 6 x 6 cm in size, and was in the muscles and fascia.

MRI 显示为均质增强的肿物，大小为8 x 6 x 6 cm ，位于肌肉和筋膜内。

Paper 2:Mutation analysis of EDA gene in Chinese families with X-linked hypohidrotic ectodermal dysplasiaX-linked hypohidrotic ectodermal dysplasia(XLHED,MIM305100) is a recessive disease characterized by severe hypohidrosis,hypotrichosis and hypodontia.

论文二X连锁无汗/少汗型外胚层发育不良中EDA基因致病突变鉴定X连锁隐性无汗/少汗型外胚层发育不良(X-linked anhidrotic/hypohidroticectodermal dysplasia，XLHED；MIM305100)是无汗/少汗型外胚层发育不良(anhidrotic/hypohidrotic ectodermal dysplasia，EDA)中最常见的一种，约占95%。

The ore minerals consist mainly of pitchblende UO(superscript x, x=2.16~2.70. The pitchblende is mainly intergrown intimately with diagenetic minerals, parts of which is intergrown with authigenic kaolinite, while another parts of which is intergrown or juxtaposed with pyrite of ore-stage, indicating simultaneous precipitation.

镜下观察结果显示，铀矿物主要为沥青铀矿UO(下标 x， x=2.16~2.70，部分与自生高岭石共生，部分则紧密地与矿化阶段黄铁矿共生或交互生长，表明同时沉淀。

In (1), the nonlinear function f is a known nonlinear continuous function of x , and the control gain g is a known nonlinear continuous and locally invertible function of x .

在（1）中， f是一个关于已知的非线性连续函数 x 的非线性函数，控制增益 g是关于 x 的已知的连续非线性的函数。

The result indicated that, gathers in advance the emulsion water resistance and mechanics performance which in the body preparation method the one-stage process obtains is good, but two steps obtain the emulsion stability is good; The neutralizaing agent triethylamine amount used should enable to achieve neutral between x-y, to gathers in advance the body disperser and the emulsion stability only then is advantageous; The water affinity chain extendor DMPA content to the emulsion viscosity, stable and the emulsion cellophane water resistance has the remarkable influence, its amount used general control between x-y; Hard section isocyanogen diethylene glycol dinitrate primary control paint film degree of hardness, module, anti-avulsion, wear-resisting and so on performance, the soft section low-molecular polymer polyols primary control paint film elasticity, hydrolisis performance and so on bears the low temperature and bears

结果表明，预聚体制备方法中一步法得到的乳液的耐水性和力学性能较好，而两步法得到的乳液的稳定性好；中和剂三乙胺的用量应使中和度达到x-y之间，对预聚体的分散和乳液的稳定性才有利；亲水扩链剂DMPA的含量对乳液的粘度、稳定性及乳液胶膜的耐水性有着显著的影响，其用量一般控制在x-y之间；硬段异氰酸酯主要控制涂膜的硬度、模量、抗撕裂、耐磨等性能，软段低聚物多元醇主要控制涂膜的弹性、耐低温和耐水解等性能

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。