Scientists say better understanding of the Van Allen radiation belt will help us prepare for potential surprises from our own sun. 科学家称,对于范艾伦辐射带的更好了解有助于我们做好准备,预防太阳活动带来的潜在影响。
Moreover, as far as radiation of cell phone is concerned, scientific evidence has shown that radiation that a working mobile phone produces has the potential to cause cancer. 此外,就手机辐射而言,科学证明显示正在运行的手机产生的辐射能致癌。
He compared radiation risks with other kinds of potential daily hazard. 他把放射危险和其他几种日常潜在危险相比较。
With the improvement of image quality, modern DSA equipment has a higher radiation output capacity, which increases the potential radiation damage to the operators and patients. 当前,随着DSA设备的成像质量改善,其输出量也越来越大,这增加了操作者和患者辐射损伤的可能。
Electromagnetic radiation poses a potential hazard to human health. 电磁辐射具有潜在的健康危害。
When the double and array dipoles are put in the conductive media, the formula of radiation field of them have been derived from vector potential equation of single dipole. 利用电偶极子辐射场的矢势导出了阵列偶极子在导电媒质中辐射场的一般形式,所给出的公式不仅适用于近区、感应区,而且还适用于远区。
The additional annual average doses, which are caused by γ radiation and potential alpha rays of 222 Rn in the bone coal cinder brick house indoors and outdoors of the five provinces, are 1 mSv and 3 mSv, respectively. 居住在碳化砖房内居民,因室内、外γ照射和吸入氡子体所致的人均年附加剂量分别约为1mSv和3mSv;
Second-order radiation potential of an axisymmetric body in heaving motion 回转体作垂荡运动时的二阶辐射势
This study shows the natural black tourmaline powder is a material with strong infrared radiation and has great industrial application potential. 研究认为,天然黑色电气石微粉是一种具有广阔开发前景的强红外辐射材料。
Hence, the formulation of the radiation condition for the second-order diffraction potential has theoretically become clear. 从而在理论上澄清了有争议的二阶绕射势辐射条件的提法问题。
Characteristic of Solar Radiation in Ningxia and Integrated Evaluation on Utilization Potential of Solar Energy 宁夏太阳辐射特征及太阳能利用潜力综合评价
This paper is devoted to study the thermal and nonthermal radiation of the charged BTZ black hole, the thermal spectrum of Hawking radiation and the radiation temperature are obtained, and the effective potential and the particle energy formula of the nonthermal radiation are given. 本文探讨了荷电的BTZ黑洞的热辐射与非热辐射,给出了Hawking辐射谱及相应的温度表达式,并给出了非热辐射的有效势和粒子的能量公式。
Correlation analysis of radiation effects on potential doubling time ( Tpot) for human nasopharyngeal carcinoma cells 人鼻咽癌细胞潜在性倍增时间放射效应的相关分析
This article deduces the distribution formula of blackbody radiation by using thermodynamics potential formula from the definition formula of average particle number. 本文从平均粒子数定义式出发,利用热力势公式推出了黑体辐射的分布公式。
According to the development of mountainous solar radiation study in domestic and overseas, this paper simulate the solar radiation received on surface through the incoming potential solar radiation model developed by ARC/ INFO AML. 根据国内、外山地太阳辐射研究进展,研究利用ARC/INFOAML开发出山地入射潜在太阳辐射模型,实现对地面所获得太阳辐射量的数值模拟。
Salivary duct carcinoma was high-grade malignancy and prognosis was bad. Conclusions: Complete local excision with radical neck dissection and postoperative radiation therapy seemed to offer the most potential for effective treatment. 结论:涎腺导管癌高度恶性,预后较差,治疗方法以局部彻底扩大切除,根治性颈清为主,术后辅以放疗和化疗。
Based on the overall evaluation of climatic changes, including solar UV radiation, on wheat production, estimates of climatic production potential were obtained for winter wheat grown in Nanjing under doubling CO 2 concentration. 在考虑了太阳紫外辐射变化及其对小麦影响的基础上,综合评价了气候变化对小麦的影响,得出了CO2倍增时南京地区冬小麦气候生产潜力的估计值。
The signals, which are ordinarily used in real-time process monitoring for laser welding, are acoustic emission, optical radiation, potential difference and thermal radiation and so on. 在激光焊接过程实时监测中常用的监测信号有声、光、电、热等信号,它们各具特点;
The material can store energy and be kept in non-equilibrium for a long time after receiving a dose of radiation, which gives a great potential application for energy storage and photoelectric transfer. 材料在受到光的辐照后能储存能量并较长时间地处于一种非平衡状态。对于这一特性的研究在能量的储存和应用、光电转换等方面有很大的潜力。
Compared with the classical analytical method, it can be seen that the present method is simpler for a two-dimensional problem due to the comparable effort needed for the computation of diffraction potential and for that of radiation potential. 与经典方法相比可以看出,对于立面二维问题,由于绕射势和辐射势的计算量相当,因此该方法比过去常用的解析法更为简单。
Single photon ionization and fragmentation of benzonitrile is studied using synchrotron radiation. The ionization potential of benzonitrile, and the appearance potentials of spontaneous or prompt and metastable fragment ions for different flight time are measured precisely. 用同步辐射研究苯基氰分子的单光子电离与碎解,精确地测量它的电离势、在不同的飞行时间产生的自发的和亚稳态碎片离子的出峰电势(appearancepotential)。
Then, the radiation potential and the disturbance potential are solved by Rankine panel method. Thirdly, with the consideration of nonlinear factors due to the instantaneous position variation of body surface, the nonlinear ship motion equation is established and solved in time domain. 然后应用Rankine源方法求解辐射势和绕射势。3.考虑由于瞬时物面变化引起的非线性因素,在时域内建立船体非线性运动方程并求解。
In the model, the wave radiation stress is directly calculated from the wave potential in elliptic mild slope equation and the wave reflection, refraction and diffraction effect are consided in. 模型中,由椭圆型缓坡方程中的波浪势函数等参量直接计算波对流的辐射应力,使得模型可以综合考虑波浪折射、绕射、反射等影响。
These discoveries provide new experimental evidences for further studying the effects of APS on hematopoietic function disturbance caused by acute radiation injury and providing a new potential medical agent Angelica against radiation exposure. 这为进一步研究APS在急性放射损伤引起的造血功能障碍中的作用,为开发和利用当归以及为寻找辐射防护剂提供新的实验依据。
Solar radiation contains enormous energy, which is the most potential for development of a clean new energy. 太阳能以光辐射的形式向地球辐射巨大的能量,它是最具开发潜力的清洁新能源。
Ozone is able to protect biological organisms from harmful solar ultraviolet radiation that has the potential of damaging organic macromolecules vital to life. Evolution of life on land is thought to have become possible because of ozone formation through oxygenic photosynthesis. 紫外辐射能破坏对生命至关重要的有机高分子,而臭氧可以吸收太阳紫外辐射,从而使生物器官免于其害;陆地生命的演化也被认为与臭氧密切相关。
However, in the practice of clinical nuclear medicine ( CNM), the radiation hazards are potential to not only the examinees or patients ( hereinafter referred to as "patients"), but also to the related staffs and public. 但是,临床核医学诊断或治疗对受检者与患者(以下简称患者)本身,甚至还可能对相关工作人员以及公众,都潜在一定的辐射危害风险。