查询词典 gammar radiation

Instead, like a river streaming around a smooth boulder, light and all other forms of electromagnetic radiation would strike the cloak and simply flow around it, continuing on as if it never bumped up against an obstacle.

就像一条河流流淌过一块光滑的大石头，光线和所有其它形式的电磁辐射，一旦接触到隐身斗篷，会轻易地在斗篷周围流掉，并继续保持原来的方向，好像从未遇到过障碍物。

Magnetic resonance imaging ; Spectrum analysis ; Glioblastoma ; Brain abscess ; Radiation necrosis

磁共振成像；光谱分析；胶质母细胞瘤；脑脓肿；放射性坏死

Cervix Neoplasms ; Bone marrow ; Magnetic resonance imaging ; Radiation injuries

宫颈肿瘤；骨髓；磁共振成像；辐射损伤

The distribution of electromagnetic field inside a microstrip antenna as well as the characteristics of resonance and impedance and radiation of the microstrip antenna are analyzed by means of the ratio.

并利用此概念来分析加载短路钉微带天线内部的电磁场分布和谐振特性、阻抗特性以及辐射特性等。

Under the action of mercury resonance radiation, sulfur trioxide wasobtained by mercury photosensitized reaction or photochemical reaction onsulfur dioxide.

二氧化硫在汞共振辐射照射下，可发生光化氧化和光敏氧化作用而产生三氧化硫。量子总产率随气体流速的增加而增大。

PURPOSE: To retrospectively assess accuracy of magnetic resonance imaging after radiation therapy with concomitant chemotherapy for downsizing of the primary lesion to ypT0-2 tumor confined to rectal wall in locally advanced rectal cancer, with histopathologic findings as reference standard, and to evaluate additional value of volumetric analysis.

目的：对局部进展期直肠癌进行化疗同时辅以放疗，使其原始病灶至缩小至局限于直肠壁的ypT0 – 2肿瘤，以组织病理学结果作为参考标准回顾性评价其磁共振成像的精确性，同时评估体积分析的额外价值。

To observe the magnetic resonance imaging morphological features of radiation encephalopathy in nasopharyngeal carcinoma and investigate their diagnostic value. Methods: The MRI data of 160 lesions from 104 NPC patients with the diagnosis of temporal lobe REP were retrospectively analyzed.

目的鼻咽癌(nasopharyngeal carcinoma，NPC)放疗后放射性脑病(radiation encephalopathy，REP)的表现形式多样，对其多样性表现的报道并不多，本研究观察NPC放射性脑病的磁共振成像(magnetic resonance imaging，MRI)形态学表现特征并探讨其诊断价值。

Because the THz is between the millimeter wave and the infrared, it is difficult to produce the THz radiation resonance. But the application such as the radars and far distance detecting need great power THz resource. The gyrotron is the only device who can produce great power THz wave.

由于THz波段处于毫米波与红外线之间，THz辐射的产生困难很大，目前THz源的输出功率大多在毫瓦数量级，对于雷达、远距离探测等重要应用，需要瓦级以上的大功率THz辐射源，回旋管是目前唯一可在THz波段实现大功率输出的器件，其输出功率可达千瓦量级。

Infrared radiation resonance by the way that fat cells do resonance massage, soften fat and produce micro-heat, promoting blood circulation, and can activate skeletal muscle and promote body metabolism; rich negative ions as the body immersed in the forest, so you reborn; skin beauty , the deep pore cleansing, and may strengthen the deep penetration of marine products absorption, whitening, moisturizing, increasing skin elasticity and prevent wrinkles and so the effect; Body connection, open the skin pores and heating the body functions, to promote the body metabolism .

红外线由放射共振方式使脂肪细胞做共振按摩，软化脂肪与产生微热，促进血液循环，并能活化肌肉骨骼，促进全身新陈代谢；丰富的负离子就像全身浸在森林中，让你脱胎换骨；美肤方面，深入清洁毛孔，并可强化对海洋性产品的深层渗透吸收，达到美白、保湿、增加皮肤弹性与防止皱纹等之功效；美体方面，打开肌肤毛孔及加热身体功能，使其促进身体新陈代谢。

a novel miniaturization bow tie rfid tag antenna is proposed based on the triangular sierpinski fractal microstrip.the port characteristics of the proposed antenna are presented by simulation.at the same time,the resonance frequency,the radiation pattern and the efficiency of the sierpinski tag antenna is given.the results of the simulation show that multiple frequency band can be obtained by varying the dimensions of the fractal structure.hence this kind of antenna can be used into the rfid tag antenna very conveniently.

摘 要：基于三角形sierpinski微带分形贴片，提出了一种新型的小尺寸领带结rfid标签天线设计。通过仿真，给出了该分形天线的端口特性，同时给出了该领带结型sierpinski标签天线的谐振频率、方向图以及天线效率。结果表明，采用不同维数的分形结构，可以实现多频段的工作特性，因而该天线可以很方便地应用于rfid电子标签中。

You can snipe the second and third union leaders from this position.

您可以鹬第二和第三工会领袖从这一立场出发。

Aiming at the currently shortage of XML streams quality detecting, this paper proposes a new forecasting method of XML streams quality by least squares support vector machines, which is used the method of XML keys' vector matrix as windows, and vector product wavelet transform to multilevel decompose and refactor the XML streams series, that can fulfill real-time checking demand of XML quality, and ensure constraint, consist- ency and integrality. For even more adapting net load, it proposes a control strategy by weight and adaptive adjustment to ensure XML streams quality.

针对当前XML数据流质量检测存在的不足，提出构建XML键的矢量矩阵作为窗口，利用矢量积小波变换多级分解与重构XML数据流，再结合最小二乘支持向量机对XML数据流质量进行预测的一种方法，满足XML数据流质量重构时实时检测的要求，保证XML数据的约束性、一致性与完整性；为了更好的适应网络负载，采取加权与自适应窗口调整等调度策略充分保证XML数据流的质量检测。