查询词典 x rays

The MGPXRC can be used to measure the focal spot size of X-ray source with a larger emitting angle than the critical angle of the total reflection of X-rays.

分别利用多毛细管准直器法和常用的小孔成像法测量了同一微焦斑X射线光源的焦斑直径，测量结果分别为60.8和59.4 μm。

The results showed that the lesion of X-rays oncells displayed gradually attenuation with depth (or cellsurvival fraction displayed gradually increase with depth)while the lesion of heavy ions on cells followed Bragg curve(or cell survival fraction was inverse Bragg cueve).(2)Thedynamic change of micronuclei and cell survival inhepatoma SMMC-7721 irradiated by 25MeV/u〓 wasstudied.

采用HeLa、B16两种细胞分别研究了X-射线和重离子在水介质中入射的深度与相应细胞的存活率（1-失活率），结果表明：X-射线对细胞的损伤随深度而逐渐衰减（或细胞存活随深度逐渐增加），而重离子对细胞的损伤则为Bragg曲线（或细胞存活为倒Bragg曲线）。

Because of the wavelength of the x rays

由于使用的 X 射线的波长使软性 X

Scientists can layer on the unique isuals of patients, such as magnetic resonance images, CAT scans and X-Rays, giing physicians high-resolution iews of the inner workings of the body while it appears to float within arm's reach.

科学家能够提供独一无二的患者影像，如磁共振影像、计算机辅助x线断层摄影术X线。医生能够得到高分辨率的机体内部功能状况，图象真实得就像是触手可及一样。

NAC can increase significantly tolerance ability of antiradiation in mouse exposed to different doses x-rays.

NAC可提高小鼠对X射线照射损伤的耐受能力。关键词 N-乙酰左旋半胱氨酸；X射线；损伤

Methods: Posterior atlanto-occipital transarticular Kirschner wire implantation was performed under visual control on 30 dried bony specimens that contained complete atlanto-occipital articulation ,and cephalocaudal and lateral X-rays were taken, on which the angle and the length of the screw trajectory were measured.

30例含完整寰枕关节干燥骨性标本，直视下行后路寰枕关节经关节克氏针植入后行X线摄片，在X线片上测量寰枕关节经关节螺钉固定的钉道角度和长度。

In 1965 she had undergone a routine back operation which involved X-rays using the radio-opaque10 contrast agent lipiodol. The side-effects of the chemical were horrific: with particles lodged in her cranium and forming cervical cysts, Dorine suffered enormous and mounting pain.

而那时，妻子的身体状况已开始令人担忧。1965年她按照计划进行了背部手术，需要进行X光检查。X光技术中山网站建设需要用射线不能穿透的碘化油作对比剂，而这种化学物质会带来可怕的副作用：粒子留存在她的颅腔中山网站建设，同时还结成都网站建设宫颈囊肿，巨大的病痛愈演愈烈，残酷地煎熬着珠海网站建设莉安。

The infalling matter that emits X-rays does not fall into the black hole at a steady rate, but

发出X辐射射线的下陷物质并不是以恒定的速率落向黑洞，而是偶然发生的，这导致了一种可以被观察到的X射线辐射强度的变化。

A tomograph that produces cross-sectional X-rays of metabolic processes in the body.

能在身体内部产生横截的x光代谢的过程的断层x光摄影装置。

The use of a large number of wires in annular Z-pinch implosions has enabled the generation of strong X rays,which is significantly affected by the structure of the wire-array and the assembly precision of the wires.

在利用金属丝阵Z箍缩产生强X射线辐射的方法中，为获得超强X射线，一般采用直径几μm的钨丝构成单、双或多层圆柱面状丝阵负载，其中丝阵负载的结构和装配精度是关键因素。

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。