| 单词 | 放射性衰变 | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| 释义 | 放射性衰变 —radioactive decaySee also:放射性 adj—radioactive adj • radiological adj • radiant adj 放射 adj—radioactive adj • radiological adj 衰变 n—decay n 衰变—radioactive decay
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现有对处理长效同位素中度放射性废物和高放射性废物的技术 [...] 解决办法是，在被视为地质稳定和“防水”的地下深层储存设施中长期保留，从 而确保放射性粒子从其原址到生物圈有足够长的移徙时间， 使 放射性衰 减 到 大大 低于可接受的限度，或完全禁锢在存放地。 daccess-ods.un.org | The available technological solution for the disposal of intermediate-level waste with long-lived isotopes and high-level waste is long-term containment in deep subsurface storage facilities considered geologically stable and “watertight”, making sure that the migration time of the radioactive particles from their original site [...] to the biosphere will be long [...] enough for the radioactivity to have decayed to far below acceptable [...]limits or that the particles [...]will stay fully confined in their deposit location. daccess-ods.un.org |
其中糖尿病视网膜病变是导 致成人失明的主要原因、糖尿病肾病是造成 慢 性 肾 功 能 衰 竭 的 常见原因。 beijing.ufh.com.cn | Diabetic retinopathy is the main cause of adult blindness; diabetic nephropathy is a common cause of chronic renal failure. beijing.ufh.com.cn |
a) 和平或战争时代的敌对或战争行为，包括阻击、抗击或防卫实际、迫近或预期的攻击； b) 和平或战争时代使用原子裂变或 放射性 武 力的战争武器； c) 暴动、叛乱、革命、内战、篡夺权力，或者政府当局为阻击、抗击或防卫这类事情发生所采取的行动，检疫或海关条例规定的查封或毁灭， [...] [...] 政府或公共当局命令的查封或没收，禁运或非法运输或贸易的风险； d) 在重新占有或者交还保险车辆之后发生；或者 e) 在美国或加拿大境外发生。 iasdirect.com | Any loss resulting from total loss to the covered vehicle caused by or resulting from any of the following causes are specifically excluded: a) hostile or warlike action in time of peace or war, including [...] action in hindering, combating, or defending [...] against actual, impending or expected attack; b) any weapon of [...]war employing atomic [...]fission or radioactive force, whether in time of peace or war; c) insurrection, rebellion, revolution, civil war, usurped power, or action taken by governmental authority in hindering, combating or defending against such occurrence, seizure or destruction under quarantine or customs regulations, seizure or confiscation by order of any government or public authority, risks of contraband or illegal transportation or trade; d) occurring after covered vehicle has been repossessed or placed in repossession; or e) occurring outside of the United States or Canada. iasdirect.com |
(d) 作为可能使用的检测技术，卫星图像和化学指标( 在浓缩工厂可能检测 到六氟化铀；在后处理厂可能检测到 放射性 裂 变 产 物 的泄漏 daccess-ods.un.org | (d) As possible detection techniques, satellite imaging and chemical indicators (possible detection of [...] uranium hexafluoride at enrichment plants [...] and leaks of radioactive fission products at [...]reprocessing plants) would be useful. daccess-ods.un.org |
因此，存储是放射性废物管理重要的一步，尽管预计存储时间会有很大的不 同(如短效半衰期放射性核素 会迅速衰减，因此，几个月后，就基本上消失殆尽； 有些同位素需要储存约三个世纪的时间；半衰期为 [...] 24 000 年的钚可通过后处理 技术事先去除)。 daccess-ods.un.org | Thus, storage is an essential step in the management of radioactive waste, although the targeted [...] duration of storage [...] will vary hugely (e.g., radionuclides with short half-lives will decay away rapidly, [...]so after a few months [...]there will be essentially none left; a number of isotopes require storage for about three centuries; plutonium with a half-life of 24,000 years can be removed beforehand by using reprocessing technologies). daccess-ods.un.org |
舒张功能参数随年龄的改变而改变， 提 示 心肌松弛减慢，因此老年人更易发展至舒 张 性 心 力 衰 竭。 asecho.org | Age-related changes in diastolic function parameters may represent a slowing of myocardial relaxation, which predisposes older [...] individuals to the [...]development of diastolic heart failure. asecho.org |
建议的共用参数是海平面、海水温度和盐度、矢量海流、表面波、溶解氧 和无机营养盐、太阳辐射衰减、 水深、岸线位 置 变 化 、 沉积物粒径和有机物含量、底栖 生物量、浮游植物生物量以及排泄物指标。 unesdoc.unesco.org | The recommended common variables are sea level, water temperature and salinity, vector currents, surface waves, [...] dissolved oxygen and [...] inorganic nutrients, attenuation of solar radiation, bathymetry, changes in shoreline [...]position, sediment size [...]and organic content, benthic biomass, phytoplankton biomass, and faecal indicators. unesdoc.unesco.org |
潜在不良事件：可能发生的潜在不良事件包括但不限于对抗凝剂和/或抗血栓药物或造影剂 的 变 态 反应 • 对镍钛合金的变态反应• 动脉瘤• 动脉破裂• 动脉血栓形成• 动静脉瘘• 粥样栓塞（蓝趾综合征）• 死亡• 栓塞• 血肿/出血• 超敏反应• 感染• 穿刺部位感染/脓肿形成• 需要干预的缺血（搭桥或脚趾、足部或腿部截肢）• 假性血管瘤形成• 肾功能衰竭• 置放支架的动脉再次狭窄• 支架栓塞• 支架定位不良• 支架移位• 支架膨胀断裂• 血管穿孔或破裂•跛行加重/静息痛。 businesswirechina.com | POTENTIAL ADVERSE EVENTS: Potential adverse events that may occur include, but are not limited to Allergic reaction to anticoagulant and/or antithrombotic therapy or contrast medium • Allergic reaction to nitinol • Arterial aneurysm • Arterial rupture • Arterial thrombosis • Arteriovenous fistula • Atheroembolization (Blue Toe Syndrome) • Death • Embolism • Hematoma/hemorrhage • Hypersensitivity reactions • Infection • Infection/abscess formation at access site • Ischemia requiring intervention (bypass or amputation of toe, foot or leg • Pseudoaneurysm formation • Renal failure • Restenosis of the stented artery • Stent embolization • Stent malapposition • Stent migration • Stent strut fracture • Vessel perforation or rupture • Worsened claudication/rest pain. businesswirechina.com |
我们的器件和专用IC应用于许多创新型系统中，如侧翻及稳 定 性 控 制 、安全气囊和碰撞检测、雷达和视觉驾驶员辅助系统、HEV/EV电源管理、12V电池管理、燃油 喷 射 、 变 速 器 控制、音响主机、音 频 放 大 器 以及许多其他新兴应用。 automotive.analog.com | Our components and application-specific ICs are found in the most innovative systems for [...] rollover and stability control, airbag and [...] crash sensing, radar and vision driver assistance, HEV / EV power management, 12V battery management, fuel injection, transmission control, head units, audio amplifiers and many other emerging applications. automotive.analog.com |
此外，亦可把受輻射污染的食物存放較長時間，以便當中的半衰期較短 的 放 射 性 核素可進 行 放射性衰 變。 cfs.gov.hk | It is also possible to store contaminated food for prolonged [...] times to allow radioactive decay of short-lived radionuclides. cfs.gov.hk |
国际水文计划第六阶段战略计划（2002 至 2007 [...] [...] 年）已经完成了第五年的工作，在报告期间在 不同领域内取得了重大进展：扩大了干旱和半旱地区发展信息全球网（G-WADI）；2006 年 11 月在古 巴成功举办了水资源易变性、变化过 程、分析和影响问题第五次 FRIEND（根据国际试验和网络数据 系列确定水流状态）世界会议；开放 多 条 合作渠道，进一步加强同全球环境基金的联系；就重点城 市水资源管理问题、包括紧急情况下地下水管理在内的地下水管理、共有水资源管理、生态水文学 [...] 以及水资源历史和文化等问题多次举办讲习班和培训活动。 unesdoc.unesco.org | The implementation of the sixth phase of IHP (2002-2007) completed its fifth year, and significant progress was made in different fields during the period reported: G-WADI, the global network on information for development in arid and semi-arid [...] zones was expanded; a [...] successful Fifth FRIEND (Flow Regimes from International Experimental and Network Data) World Conference on Water Resources Variability, Processes, Analyses and Impacts took [...]place in Cuba in November [...]2006; links to the Global Environment Facility were further strengthened with a number of cooperation lines opened; numerous workshops and training activities were held on key urban water management issues; groundwater management, including groundwater for emergency situations; shared water management; ecohydrology; and water history and culture. unesdoc.unesco.org |
放射性物質是指含有不穩定元素的物質，能自原子核發放出射線，如α射線、β射線、γ射線等， 而 衰 變 形成穩定的元素。 gnetrading.com | The radioactive substance refers to material containing unstable element, spontaneously emitting energy from nucleus in the form of α, β, γ radiation etc. and undergoing decaying to become stable element. gnetrading.com |
本課程是以學習兩種能源（太陽與地球內 的 放射衰 變 ） 如何驅使對流並形成天 氣變化，地球表面的再生成和生態系統的延續為基礎的。 sfusd.edu | The course is based on learning how two sources of energy [...] (the sun and the radioactive decay inside Earth) drive [...]convection currents that cause [...]weather, the reshaping of Earth’s surface, and the continuation of ecosystems. sfusd.edu |
因此，太阳辐射的衰减除 可作为初级生产力的一个重要测定因素外， 还可以是浮游植物、沉积物运移、海岸侵蚀、漂浮状羽流和废水 排 放 的 区 域范围和位置 等的重要示踪物，也是营养供给以及无机污染物和有机污染物、无机物颗粒、碎屑和活 动性颗粒等物质的重要示踪物。 unesdoc.unesco.org | Models for coastal aquaculture operations fall into one of two [...] categories: (1) those used [...] to evaluate the environmental impacts of aquaculture on coastal ecosystems (e.g. excess organic loading from sedimentation of faeces or excess food, regeneration of ammonia, removal of suspended organic matter), and (2) those used to estimate growth rate and maximum sustainable yield in terms of numbers of organism and/or their biomass. unesdoc.unesco.org |
为此，正在考虑短半衰期放射性同位 素源。 daccess-ods.un.org | To this end, short half-life radioisotope sources are being considered. daccess-ods.un.org |
公司的产品包括放大器、衰减器 、环形器、隔离器、探测 器（检波器）、二极管、定向耦合器、前端模块、混合器件、基础架 构 射 频 子 系统、混频器／解调 器、光耦合器、光隔离器、移相器、PLL（锁相环）／频综／VCO（压控振荡器）、功率分配器／合 路器、接收器、开关和工业陶瓷。 skyworksinc.com | The Company’s portfolio includes amplifiers, attenuators, circulators, detectors, diodes, directional couplers, front-end modules, hybrids, infrastructure RF subsystems, isolators, [...] lighting and display solutions, [...]mixers/demodulators, optocouplers, optoisolators, phase shifters, PLLs/synthesizers/VCOs, power dividers/combiners, power management devices, receivers, switches, and technical ceramics. skyworksinc.com |
该战略是一份开放性的文件， 可以根据各相关方不断变化的 需求和该地区十年期间出现的新问题进行调整。 unesdoc.unesco.org | The strategy is an open [...] document that is adaptable for revision according to the changing needs of stakeholders [...]and emerging issues [...]in the region throughout the Decade. unesdoc.unesco.org |
也许未来需把重 点放在应对全球变化对 水循环的影响的适 应 性 措 施，可持续的水资源与环境 管理的关键联系，以及可持续的城市水管理综合办法的制定。 unesdoc.unesco.org | Emphasis may need to be given in future to adaptation measures [...] for coping with the impacts of global changes on the hydrological cycle, the critical [...] [...]linkages between sustainable water resources and environmental management, and the development of integrated approaches to sustainable urban water management. unesdoc.unesco.org |
教育部门还应对了该双年度期间出现的各种重大挑战，尤其是全球经济的严 重 衰退 和前途的变幻莫测。 unesdoc.unesco.org | It also responded to key challenges that emerged during the biennium, in particular the severe global economic downturn and uncertainty about the future. unesdoc.unesco.org |
为协助 各国对付针对粮食生产的恐怖主义而开展的活动包括：(a) 进行关于食品安全、 动植物健康问题的能力建设(培训班、各种项目),包括促进风险分析和加强基层 能力，以确保国家能够监测、诊断、报告和应对病虫害和疾病的爆发；(b) 食品 [...] 标准法典委员会和国际植物保护公约制定有关标准；(c) 设立一个食物链管理框 [...] 架以便对跨界动植物病虫害和疾病造成的食物链危机、粮食安全威胁和紧急情 况，以及对核放射性威胁 级紧急情况，进行预防、预警、防备和应对工作；组织 [...]国际论坛讨论与粮食和农业相关的生物风险管理问题。 daccess-ods.un.org | Specific activities that assisted countries in relation to terrorism targeted at food products included: (a) capacity-building (training courses, projects) concerning food safety, animal and plant health, including promotion of risk analyses and developing base-level capacity to ensure national ability to monitor, diagnose, report and respond to pest and disease outbreaks; (b) the standard setting work of the Codex Alimentarius Commission and the International Plant Protection Convention; (c) the establishment of a Food Chain Crisis Management Framework for prevention, early warning, preparedness and response to food chain crises caused by transboundary animal and plant pests and diseases, food [...] safety threats and emergencies, as well [...] as nuclear and radiological threats and emergencies; [...]and the organization of international [...]forums to discuss biological risk management in relation to food and agriculture. daccess-ods.un.org |
至於醫學界 使 用的非 密 封 的放射性物質，該類放射性物質的半 衰 期多數很 短 ，其 輻射量會在短 時 間之內消失 ，而該類物質的輻射量消失 後，可作普通 廢料一般 處 置。 legco.gov.hk | As for unsealed radioactive substances used in the medical sector, they were mostly of very short half-lives and would lose their radioactivity [...] within a short time [...]frame, after which they could be disposed of as normal wastes. legco.gov.hk |
已 围绕下列假设做过研究：(a) [...] 细胞和组织对低剂量辐射的适应性可使它们对癌症 [...] 的发展更具抵抗力（适应性反应）；(b) 辐射对免疫系统的影响——免疫系统负责 识别并摧毁异常细胞——可影响癌症发展的可 能 性 ； 以 及(c) 辐射可产生变化， 从而对细胞 DNA 的稳定产生持久的、可传递的影响（基因组不稳定性），并且（或 者）激发从受损细胞向未受损的邻界细胞传送信号（旁观者效应）；基因不稳定 [...] [...] 和旁观者效应被认为是改变辐射相关癌症风险的可能因素。 daccess-ods.un.org | There have been studies relating to the following hypotheses: (a) that adaptation of cells and tissues to low doses of radiation might cause them to become more resistant to cancer development (adaptive response); (b) that the effects of radiation on the immune systems, which recognize and [...] destroy abnormal cells, [...] could influence the likelihood of cancer development; and (c) that radiation can produce changes that create [...]long-lasting and transmissible [...]effects on the stability of cellular DNA (genomic instability) and/or trigger the transfer of signals from damaged cells to their undamaged neighbours (bystander effects); both genomic instability and bystander effects have been suggested as possible factors that modify radiation-associated cancer risk. daccess-ods.un.org |
该组织鼓励哥斯达黎加接 受关于加紧措施保护性取向和性认同并便利 对 变性 者 发 放 身 份 证件的建议。 daccess-ods.un.org | It encouraged Costa Rica to accept recommendations to intensify measures for the protection of sexual orientation and identity and to facilitate the issuance of identification documents to transsexuals. daccess-ods.un.org |
向联合国森林论坛自愿提供的资料表明，在大多数但非所有情况下，对森林 生物多样性和实现森林文书全球目标 1 和 3 的主要威胁一直而且依然是破坏生态 环境、外来物种入侵、森林火灾、森林区块化、过 度 放 牧 、 风害、气 候 变 化 对 森 林生态系统的不利影响、更为频繁的自然灾害、需要更多的木材和木材残渣生成 能源、对生物燃料的需求、木材行业和能源行业争夺来自森林的木材原料，缺乏 进行可持续森林管理的财政资源。 daccess-ods.un.org | According to on voluntary information provided for the eighth session of the United Nations Forum on Forests, [...] significant threats [...] to forest biodiversity and the implementation of global objectives 1 and 3 of the forest instrument, in most but not all cases, have been, and continue to be, habitat destruction, invasive alien species, forest fires, forest fragmentation, overgrazing, wind damage, negative impacts of climate change on forest ecosystems, [...]increased frequency [...]of natural disasters, increase in demand for wood and wood residues for energy generation, demand for biofuels, competition for wood raw material from forests (wood-based industries versus energy generation), and lack of financial resources to implement sustainable forest management. daccess-ods.un.org |
不是力求实现关于地球母亲的第 63/278 号决议 提及的平衡，相反，我们有可能陷入以“金钱换温度” 的不体面交易，在这场交易中，富有的 排 放 国 在 气候 变化面 前试图承诺提供资金，而不是承诺作出改变， 而资金极度匮乏的发展中国家出于现实地考虑危及 其存亡的自杀性协议 带来的相对短期利益。 daccess-ods.un.org | Instead of seeking the balance to which resolution 63/278, [...] on [...] Mother Earth, refers, we are in danger of devolving into an unseemly trade of degrees for dollars, where rich emitters attempt to pledge money instead of pledging change in the face of climate change, and [...]where cash-strapped developing countries [...]pragmatically weigh the relative short-term benefits of a suicide pact that threatens their very existence. daccess-ods.un.org |
专家委员会还强调了在联合国系统中，教科文组织在基础科学领域中的独一无二的作用，其 跨政府的特性，其对各国的开放性及 其在世界范围内宣传科技发展和社 会 变 革 的 指导原则和 伦理标准的工作。 unesdoc.unesco.org | The Committee emphasized the unique mandate of UNESCO for basic science within the United Nations system, its universal [...] intergovernmental [...] character, its openness to all countries and the worldwide effort to promote principles and ethical norms to guide scientific and technological development and social transformation. unesdoc.unesco.org |
在大多数沿岸水域，由于受陆地径流(如地表水携带的沉积物、有色溶解有机物质、 颗粒性有机物和营养盐颗粒等的输入)、高浮游植物生产力和沉积物悬浮的影响，太阳 辐射迅速衰减。 unesdoc.unesco.org | Since models of water clarity rely on the predictably of light behaviour with depth depending on the relative quantities of absorbing and scattering components, they are also used to understand the constituents of the water which contribute to a change in water clarity over a given time period. unesdoc.unesco.org |
在醫院或從事研究的層面，有關人員在進行工作時，根本亦會自行處 理很多放射性的物料，而無須特別安排存放在別的地方，這是因為現在採用 的新品種的半衰期較短；從前所採用 的 放射性 物 質的 半 衰 期 則 較長，所以須 貯存在特別安排的地方。 legco.gov.hk | It does not need to be stored in any special place. This is because the new [...] type used now has a [...] shorter half life, while the radioactive substance used before has a longer half life and therefore [...]must be stored in a special place. legco.gov.hk |
z 测量太阳辐射衰减所 揭示的远不只是水体中的光照度或底栖生物的光和作用 -- 它们可反应出水体受富营养化和沉积物运移影响而发生 的 变 化。 unesdoc.unesco.org | Implementation of data management systems Development and implementation, in cooperation with the Commission for Basic Systems (CBS), the Committee for International Oceanographic Data and Information Exchange (IODE), the International Council of Scientific Unions (ICSU), and other appropriate data management bodies, end-toend data management systems to meet the real-time operational needs of the present operational systems and the global observing systems; cooperation with these bodies in seeking commitments for operation of the necessary national compilation, quality control, and analysis centres to implement data flows necessary for users at time scales appropriate to their needs. unesdoc.unesco.org |
福岛核事故再次引起了世界 各国对核安全和辐射安全的重要性的高度重视，应 在核燃料循环的所有阶段：从核燃料开采、加工、 [...] 运输和存储到核电站运营和退役以及 放射性 废 料处 理处置加强核安全和辐射安全。 daccess-ods.un.org | The Fukushima nuclear accident had focused the world’s attention once again on the importance of nuclear and radiation safety, which should be strengthened at all stages of the nuclear fuel cycle: from exploration, processing, transportation [...] and storage of nuclear fuel, to the operation and decommissioning of nuclear power [...] plants, and radioactive waste disposal. daccess-ods.un.org |
英汉双解词典包含2273206条英汉词条，基本涵盖了全部常用单词的翻译及用法，是英语学习的有利工具。