查询词典 X-unit

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。

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。

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。

Tolerances represent the highest commercial grade of accuracy and workmanship, and are specified for thread setting gages; X tolerances are larger than W tolerances and are used for product inspection gages.

公差是为螺纹调节规设定的，代表了精确程度及工艺方面的最好商业等级。X公差比W公差要大，用于产品检验量规。

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。

Still the religious influence of this priestly caste continued throughout the rule of the Achaemenian dynasty in Persia (Ctesias,"Persica", X-XV); and is not unlikely that at the time of the birth of Christ it was still flourishing under the Parthian dominion.

还是宗教的影响，这圣种姓继续在全国各地的统治地位achaemenian王朝在波斯（ ctesias ，" persica "， X代表- XV ）号决议，以及是不是不太可能，在时间的基督诞生，它仍在蓬勃发展下，帕提亚人Dominion的。

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。

Methods 21 patients with achalasia placed temporary metal internal stent under X-ray control ( stent of 20～25mm diameters ).

21例贲门失弛缓症患者在X线下置入国产可扩张带膜金属内支架，术后3～5天由胃镜取出。

Through electron probe\'s analysis to the albite jade, union grinding sample thin slice under polarizing microscope observation as well as X powder crystal diffraction data analysis. Discovery like Chen zhenqiang and "System Gemology" said that secondary mineral for actinolite, green mudstone, epidote and quart.

通过对钠长石玉进行电子探针的分析，结合磨制的样品薄片在偏光显微镜下的观察以及X粉晶衍射数据分析，可知钠长石玉中的主要成分为钠长石，次要矿物为硬玉、角闪石、绿辉石、钠铬辉石；并未发现如陈振强等人以及《系统宝石学》中所说的次要矿物为阳起石、绿泥石、绿帘石、石英。

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。