In this paper, a method of measuring the input mechanical impedance of the array element (longitudinal vibrating transducer) with square radiation head by using impulse sound tube is proposed.
本文提出了以声脉冲管测量辐射头为方形的一种阵元(纵向振动换能器)的输入力阻抗的方法。
Dr Martha Linet, the head of radiation epidemiology at the us National Cancer Institute, has looked at the same research as Carpenter but has reached a different conclusion.
美国国立癌症研究所的辐射列病学主任MarthaLinet博士也曾做过与Carpenter教授一样的研究，但得出的结论却不同。
The removal of several lymph nodes from my neck and subsequent radiation treatments have rendered my lymphatic system unable to drain fluids from my head.
脖子上的几个淋巴结被切除之后，紧随其后的放射治疗已使我的淋巴系统无法排除脑袋里的积液。
They’re staffed with seemingly reputable experts such as Denis Henshaw , a professor of physics and head of the Human Radiation Effect Group at the University of Bristol.
该机构致力于电磁场及微波辐射的安全问题，似乎聘请了许多荣誉专家——比如物理学教授丹尼斯·亨肖，现任布里斯托尔大学“人类辐射影响”研究小组的总负责人。
Radiation to the scalp, as when radiotherapy is applied to the head for the treatment of certain cancers there, can cause baldness of the irradiated areas.
用放射疗法治疗某种癌症的过程中，当头部接受放射治疗时头皮会遭到辐射，造成受辐射部位头发脱落。
Her warning would continue, "Users, especially children and pregnant women, should keep this device awayfrom the head and body." (See a report card on cell phones' radiation.)
该标语进一步提醒人们：“用户（特别是儿童与孕妇）应将手机和其头部与身体部位保持距离”。
This study is the largest ever reported to date to evaluate zinc sulfate in the treatment or prevention of taste alteration for patients receiving radiation therapy for head and neck cancer.
这项研究是目前数量最大的评价硫酸锌在治疗和预防头颈肿瘤患者接受放射治疗时味觉改变的作用的报道。
The study focused on head scans since the brain is believed to have heightened sensitivity to radiation.
该研究的重点是头部扫描，因为脑部被认为是对辐射高度敏感的部位。
Cylinder head made of aluminum alloy, which is light-weight and excellent in heat radiation.
气缸盖采用铝合金材料制成，具有重量轻，重量和散热良好。
Optical head device, optical disk apparatus using optical head device, and heat radiation mechanism.
光头装置，使用光头装置的光盘设备，以及热辐射机构。
A new study offers the most solid evidence to date that radiation from CT scans increases children's risk of developing leukemia and head and neck cancer.
一项新研究提供了迄今为止最确凿的证据，证明CT扫描产生的辐射将增加儿童罹患白血病和头颈部癌症的风险。
METHODS: The stereotactic radiotherapy treatment planning system (SRT TPS), target simulator and head frame were used to check the errors of target localization during each radiation procedure.
方法：使用立体定向治疗计划系统、靶点模拟器、头部定位框架检查各个治疗阶段靶区定位的误差。
Objective: To evaluate the effect of external radiotherapy combine co (NH2) 2 · H2O2 Sodium on head-neck squamous cell carcinoma and the change of the radiation reaction.
目的观察放射增敏剂注射用碳酸酰胺过氧化氢(CO (NH2)2·h2o·)配合放疗治疗头颈部鳞癌的疗效及放射反应的变化。
Therefore, it is very important to understand the causes and prevention of radiation brain injury before designing radiotherapy plan for head and neck cancers.
因此，在制定放射治疗的计划以前，必须对脑的放射损伤有充分的了解。
The radiation levels around the treatment head and in the air of the treatment room were discussed thoroughly . Some effects of the induced radioactivity were also mentioned.
对加速器机头部结构材料处、治疗室空气中的感生放射性水平及有关影响因素的研究现状作了较详细的讨论；
With the increasing use of radiotherapy for head and neck cancers, the incidence of radiation brain injury has markedly increased. Radiation brain injury becomes one of the most severe complications.
随着头颈部肿瘤放射治疗技术的日渐推广，放射性脑损伤的发病率逐年增高，是放射治疗最严重的并发症之一。
The printer comprises a print head for printing the ink onto a substrate, a heating means for heating the ink on the substrate, and a source of radiation for curing the heated ink.
所述印刷机包括：用于在承印物上印刷油墨的印刷头、用于加热所述承印 物上油墨的加热装置和用于固化所述受热油墨的辐射源。
Methods To do quality control experiments to simulate the process of 3D-CRT by means of Topsland system, radiation treatment -planning system, laser light, bow form ruler, head model.
方法采用拓能系统的固定装置、计划系统、激光灯、弓形尺、头部模型（简称头模）模拟3DCRT的实施过程进行质量控制分组实验。
A certain amount of nail head or fin within an acceptable range of tube's back side can improve the area of access to radiation.
在炉管背火侧的一定范围内增加适量的钉头或翅片，可以提高背火侧的受辐射面积。
The keel arranged on the board is in a radiation shape from the tube head to the outside;
设置在上述板面上的龙骨呈从管头向外边的放射状。
Nowadays the status of radiotherapy in head and neck cancer is well-recognized, but radio - therapy complications can not be ignored. Radiation-induced xerostomia is the most frequent one.
放射治疗在头颈肿瘤的地位已得到广泛认同，但放疗并发症不容忽视，最常见的是放射性口干。
Nowadays the status of radiotherapy in head and neck cancer is well-recognized, but radio - therapy complications can not be ignored. Radiation-induced xerostomia is the most frequent one.
放射治疗在头颈肿瘤的地位已得到广泛认同，但放疗并发症不容忽视，最常见的是放射性口干。
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