ray ratio的例句大全

Blu-ray discs outsold HD-DVDs by a ratio of two to one before Christmas and by the end of last year there were 4m Blu-ray-capable players in North America, compared with about 750,000 HD-DVD machines.

圣诞节前，蓝光影碟的销售量是HD-DVD的两倍。到去年年底，北美有400万台支持蓝光格式的影碟机，而HD-DVD影碟机仅为75万台左右。

There he prepared to measure my body composition with a" dual energy X-ray absorptiometry"( DEXA) scan, the gold standard for determining the ratio of muscle, bone and fat in your body.

在那儿他使用双能x-线吸收仪测量我的身体组分，该测量仪器是决定体内肌肉，骨骼和脂肪比例的金标准。

Method Fifty cases of Colles fracture combined with DRS, 100 cases of simple Colles fracture without DRS, and 100 normal wrist joint controls were included. We analysed central point displacement and perpendicular line ratio on the lateral view X ray.

方法对50例Coles骨折合并DRS患者，100例单纯Coles骨折患者，100例正常腕关节的侧位X光片分别进行中点移位和垂线比测量分析。

Study on the Mechanism of Screening Ultraviolet Ray of Mica Reinforcement with High Aspect Ratio

高纵横比云母增强剂屏蔽紫外线功能的机理研究

Because synchronous X-ray has very perfect parallel quality, strong radiation intensity and continuous spectrum, 1000 μ m deep microstructure which aspect ratio is 500 can be fabricated by LIGA technology.

由于同步辐射X光有非常好的平行性、极强的辐射强度、连续的光谱，使LIGA技术能够制造出高宽比大到500、厚度几近1000μm的微三维立体结构。

Depth Profile from the P/ B Ratio and the Dependence of the Background Signal on Binding Energy of X-ray Photoelectron

从光电子谱的峰背比及背景信号变化获得成分深度分布信息

The relation between coupling ratio of 1 × 7 tapered mixing-rod POF couplers and the length of tapered rod waveguides through numerical simulation by ray tracing method is given.

利用光线追迹法进行数值仿真得到了锥形混合棒塑料光纤耦合器的分光比与其长度的关系。

conclusions: aneurysmal bone cysts have some identical imaging characteristics, combination of x-ray, ct and mr can distinctly improve the correct ratio of the diagnosis.

结论：动脉瘤样骨囊肿具有一定的影像学特征，X线、CT及MR三者结合能明显提高诊断准确率。

x-ray diffraction intensity ratio method for the thickness measurement of ternary heterogeneous epitaxial layers on gaas substrate

GaAs三元异质外延层厚度测量的X射线衍射比强度法

determination of crystallinity and si-to-al ratio of synthetic molecular sieve by x-ray diffraction

X射线衍射法测定分子筛硅铝比与结晶度

Indicators contain UV ray transmittance screening ratio, protective factor, penetration and reflectance.

其评价指标则有紫外线透射比、遮挡率 、 防护因数 、 穿透率和反射率等.

X-ray Measurement on Lunate Uncovered Length and Uncovering Ratio of Normal Adult Wrist Joint

成人正常腕部月骨暴露长度及暴露率的X线测量

PAN fibers with different drawing ratio and different preoxidation degree were investigated by means of sound velocimeter and X-ray diffraction meter.

采用声速仪及X射线衍射仪对不同牵伸倍数和不同预氧化程度的PAN纤维进行取向度和预氧化程度的测试，并将其结果进行对比。

No significant differences in tangential and radial width of cambial fusiform cell, length of vessel element, ratio of fiber and ray tissue were found among different stages.

结果表明，形成层纺锤形细胞的径向和弦向宽度在活动期不同阶段差异不显著，而纤维长度、纤维宽度、壁腔比、微纤丝角、导管分布频率和胞壁率差异极显著；

Meanwhile, the radial width of cambial fusiform cell had negative correlations with fiber length, ratio of fiber length to width and ratio of ray tissue, and a positive correlation existed between tangential width of cambial fusiform cell and fiber width.

形成层纺锤形细胞的径向宽度与纤维长度、纤维长宽比和射线比量呈显著负相关；形成层纺锤形细胞的弦向宽度与纤维宽度呈显著正相关。

Scan the exposure X-ray images with UVP gel imaging analytic system to calculate the respective optical density ratio of bands represent objective proteins to band of GAPDH. Then we can get the variation tendency of each proteins. 5.

将曝光后X-ray照片用UVP凝胶成像分析系统进行扫描，计算各基因蛋白条带与内参GAPDH蛋白条带的光密度比值，推算各凋亡因子表达的变化趋势。