查询词典 Ray

Methods Two hundred and ninety seven middle-aged and aged females were sampled randomly from the cases who were examined in the bone mineral density measurement department of The Second Affiliated Hospital of Nanchang University from January 2004 to January 2006, and their age, stature and body weight were recorded exactly. The BMD of lumbar (L2~4), femoral neck, Ward's and great trochanter was measured by dual energy X-ray absorptiometer, then statistically analyzed.

从2004年1月～2006年1月在南昌大学第二附属医院骨密度测定室检测的就诊者中随机抽取297例中老年妇女，准确记录其年龄、身高、体重；采用法国DMS公司Challenge：双能X线骨密度测定仪检测腰椎(L2~4)、股骨颈、ward's三角以及大转子的BMD，然后进行比较和统计分析。

MethodsThirty-five GIO patients were enrolled. Ten milligrams alendronate were prescribed daily for 6 months. Bone mineral density was measured by dual-energy X-ray absorptiometer after and before the treatment.

以35例糖皮质激素性骨质疏松症患者为观察对象，每日服用阿仑膦酸钠10 mg，治疗6个月，治疗前后采用双能X线骨密度仪测定骨密度。

Compared with iodine, Gold has a larger atomic number and X-ray absorption coefficient.

金与碘相比，有着更高的原子序数和X射线吸收系数。

During the testing many kinds of advanced instrument were implied in study of the fiber's inner structure, the infrared absorption spectrum, x-ray diffraction curve, etc.

同时对纤维主要的物理机械性能与化学性能进行了系统的实验分析，以期对该纤维的形态特征、服用性能有较全面的掌握。

Based on the result of theoretical research the absorption coefficient curve of a substrate material has be ound,which ensure the three-channel BCCD work in the region of X-ray.

通过理论分析，找出了能保证BCCD在X光区工作的衬底材料所应满足的吸收曲线。

Ray attenuation law ; mass absorption coefficient ; mixture density ; measurement precision

射线衰减规律；质量吸收系数；混相密度；测量精度

It is suggested that pair production may play an important role in the X-ray emission region which is formed by the accretion of a compact object.

本文提出：在致密星的吸积所形成的 X 射线发射区中，电子对的产生起着重要的作用。

In this paper, the influences of acetanilide content on the microstructure and macro properties of polyvinyl chloride were studied by means of differential scanning calorimetry, wide angle X-ray diffraction and scanning electron microscope.

利用差示扫瞄量热法、广角X-射线衍射和扫瞄电镜方法研究了乙酰苯胺质量分数对聚氯乙烯的结晶度、微观形态和宏观机械性能的影响。

In this paper,acetanilide,adipic acid and potassium hydrogen phthalate were chosen as additives to advance polyvinyl chloride to crystallize. The effects of compress mold,annealing temperature and time,additive property and loading on the crystallization,microscopicmorphology and mechanical properties of PVC were studied by means of wide angle X-ray diffraction,differential scanning calorimetry,fourier transform infrared spectrophotometer,scanning electron microscopeand tensile test.

本文利用乙酰苯胺、己二酸和邻苯二甲酸氢钾作为聚氯乙烯结晶改性的添加剂，通过广角X-射线衍射法、差示扫描量热法、傅立叶转换红外光谱、扫瞄电镜和万能电子实验机研究了热压、热处理温度和时间、添加剂结构和质量分数对PVC结晶、微观形态和宏观机械性能的影响。

Clinical manifestations, X-ray findings and treatment of achalasia of cardia.

贲门失弛缓症的临床表现，X线表现及治疗。

The split between the two groups can hardly be papered over.

这两个团体间的分歧难以掩饰。

This approach not only encourages a greater number of responses, but minimizes the likelihood of stale groupthink.

这种做法不仅鼓励了更多的反应，而且减少跟风的可能性。