| 单词 | 立体异构 | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| 释义 | 立体异构 —stereoisomerism (chemistry)立体异构体 —stereoisomer (chemistry)See also:异构 adj—heterogeneous adj 异构 n—isomerization n 异构—isomeric (chemistry) 异构体—isomer (chemistry)
|
b. 如果分子含有一个以上的手征中心，所有非对 映 立体异构 体 及 其外消旋对偶均受到管 制，除非麻醉药品委员会的某项决定具体规定了例外 incb.org | b. If the molecule contains more than one chiral [...] centre, all the diastereoisomers and their racemic [...]pairs are controlled, unless specifically [...]excepted by a decision of the Commission on Narcotic Drugs incb.org |
以碱基形式存在的、并且不存在 立体异构 体 变 异体的国际管制药物，即它是一个独特的 CAS [...] 号码。 incb.org | The guidelines are also applicable to the stereoisomers of substances in Schedule I, whenever the [...] existence of such stereoisomers is [...] possible within the specific chemical designation, [...]which are under international control [...]unless specifically excepted by a decision of the Commission on Narcotic Drugs. incb.org |
如果特定的化学命名中存在 立体异构体 ： 如 果 立体异构 体 和外消旋混合物已经列出并且相 关的 CAS 号码已经获得（例如，苯丙胺、右苯丙胺和左苯丙胺）。 incb.org | (i) The substance under international control exists in the base form and stereoisomer variants do not exist, i.e., it is a unique CAS number. incb.org |
除经由麻醉药品委员会决定具体排除的以外，凡属国际管制的表一药物，只要可能在具体化学表示方式内存在 其立 体异构体的 ，这些准则也对之予以适用。 incb.org | (ii) If stereoisomers exist within the specific chemical designation: if stereoisomers and racemic mixture are already listed and related CAS numbers are available (example: amphetamine, dexamfetamine and levamfetamine). incb.org |
因此，要想 通过蒸馏的方式而既经济又高效地分离乙苯 (EB) 和三个二甲苯异构体是非常困难的， 在某些情况下甚至是行不通的。 exxonmobilchemical.com.cn | The boiling points of PX and EB are about 2ºC apart, and the boiling points of PX and metaxylene (MX) are less than 1ºC apart. exxonmobilchemical.com.cn |
中国驻华盛顿外交官正在尝试与多个非政府 机 构 、 激进 团体、立法者和记者进行公关外交，以突出北京就结束 冲突所采取的种种努力。 crisisgroup.org | Chinese diplomats in Washington are trying [...] public diplomacy with a wide variety [...] of NGOs, activist groups, lawmakers and journalists to [...]highlight the steps Beijing has taken to end the conflict. crisisgroup.org |
所有 β2-激动剂包括 D-型和 L-型异构体均禁用。 unesdoc.unesco.org | All beta-2 agonists including [...] their D- and L-isomers are prohibited. unesdoc.unesco.org |
禁用所有刺激剂，包括其相关的光学 异构体 ， 但 ：局部使用的咪唑衍生物以及列入《2011 [...] 年监控程序》的刺激剂*除外。 unesdoc.unesco.org | All stimulants [...] (including both optical isomers where relevant) [...]are prohibited, except imidazole derivatives for topical [...]use and those stimulants included in the 2011 Monitoring Program. unesdoc.unesco.org |
这一进程中所遇到的主要挑战在于如何保持教科文组织作为一个专门 机 构 的 特异 性和能力，这个专门机构拥有 复杂的政府间委员会，在促进国际公约、规范性和 确立 标准的方案以作为解决在该组织管辖权领域内主要的全球问题表率中各自具有自己的 政治和技术议程。 unesdoc.unesco.org | The major challenge encountered in this [...] process has been how to maintain UNESCO’s specificity, hence strength, as a specialized agency with its complex composites of intergovernmental committees [...]with its own political [...]and technical agendas in the promotion of international conventions, normative and standard-setting programmes to serve as exemplars in addressing major global issues in the fields of competence of the Organization. unesdoc.unesco.org |
由于多种原因，起草适当形式或不连续形式的具体条款如公约或 示范法供纳入国家法律体系并不总是可行：各国家法 律 体 系 经 常使用 差异很大的立法方 法和办法解决特定问题，各国可能还没有准备好就 单一办法或共同规则达成一致，可能就找到统一办法解决特定问题的 必要性不存在共识，或者就特定主题的关键问题以及如何处理这些问 [...] 题存在着不同程度的共识。 uncitral.org | For a number of reasons, it is not always possible to draft specific provisions in a suitable or discrete form, such as [...] a convention or a [...] model law, for incorporation into national legal systems: national legal systems often use widely disparate legislative techniques [...]and approaches for [...]solving a given issue, States may not yet be ready to agree on a single approach or common rule, there may not be consensus on the need to find a uniform solution to a particular issue, or there may be different levels of consensus on the key issues of a particular subject and how they should be addressed. uncitral.org |
建立区域发展机构体系的 目的在于激发基层的创新和创业精神、帮助各居 住区、各地区、非政府组织以及企业界从战略的角度思考发展问题、确定发展地 [...] 方经济的新方式，从而为上述战略的横向发展重点项目在本国境内实施助一臂之 力。 daccess-ods.un.org | The institutional framework of regional development [...] is there to stimulate the initiative and entrepreneurial spirit at the [...]local level, to support the settlements, raions, nongovernmental organisation and the business community to think strategically and to identify new ways of development of the local economy so that they can contribute to the implementation of the horizontal priorities of the mentioned Strategy on the territory of the country. daccess-ods.un.org |
最近设立的捍卫人权机构体现了政府增强保护人权国家机制的意愿。 daccess-ods.un.org | The recent establishment of an institution to defend human [...] rights is consistent with the authorities’ determination to strengthen the national institutional mechanism for protecting human rights. daccess-ods.un.org |
这些支柱为：(a) 促进包容性发展的宏观经济政 策，以减少波动性、刺激生产力并促进包容性；(b) 通过进一步的创新、传播知 识和支助中小企业，克服结构异质性 和生产力差距；(c) 促进国际一体化、 出口 多样化并提高竞争力；(d) 克服影响生产、体制和社会方面发展能力并有碍于全 国生产联接的地区差距；(e) 创造更多和更好的就业机会，增进机会的平等性和 社会包容性；(f) 通过稳步增加社会支出和加强社会体制，填补社会差距；以及 (g) 围绕社会和财政协约和国家的新作用达成共识。 daccess-ods.un.org | These pillars include: (a) promoting a macroeconomic policy for inclusive development to mitigate volatility, stimulate [...] productivity and favour [...] inclusion; (b) overcoming structural heterogeneity and productivity gaps through more innovation, dissemination of knowledge and support for small and medium enterprises; (c) improving international integration, diversifying exports and raising competitiveness; (d) overcoming territorial disparities affecting productive, institutional and social [...]development capacities [...]and hindering national production linkages; (e) creating more and better employment to improve equality of opportunities and social inclusion; (f) closing social gaps through a steady increase in social spending and stronger social institutions; and (g) building consensus around social and fiscal covenants and a new role of the State. daccess-ods.un.org |
对该裁决提出的异议应立即付诸表决，而除非该异议以出席并参加表 决的代表的过半数获得核准，否则应以主席的裁决为准。 daccess-ods.un.org | An appeal against [...] this ruling shall immediately be put to the [...]vote and the President's ruling shall stand unless the appeal [...]is approved by a majority of the representatives present and voting. daccess-ods.un.org |
在这方面，会议注意到资源、合作及援助常设委员会即将上任 的联合主席及其他人提出的如何对该新 设 立 的 常 设委员会作最佳利用的 具 体构 想，并鼓励就这些构想采取行动。 daccess-ods.un.org | In this context, the Meeting took note of and encouraged action on the concrete ideas suggested by the in-coming Co-Chairs of the Standing Committee on Resources, Cooperation and Assistance as well as by others, to make the best possible use of this new Standing Committee. daccess-ods.un.org |
而美国专利商标局 [...] 所采取的支持专利的方法，导致很多专利局 采用相对较松的标准来确定专利申请的新 颖性和发明性。尤其是在药品领域，这些专 利局经常会给药品配方74 、某些已知产品的 组合75 、光学异构体76 、同质异构体77 、某 已 知物质的盐78 以及生产工艺的变化授予专 利。 cgfwatch.org | The pro-patent approach promoted by the US PTO has led many patent offices to apply very loose criteria to establish novelty and inventive steps, particularly in the pharmaceutical field where patents are [...] granted in some cases with [...] regard to, inter alia, pharmaceutical formulations74 , combinations of knownproducts75 ,opticalisomers76 ,polymorphs77, salts of [...]known substances78 and [...]variants of manufacturing processes. cgfwatch.org |
这两个部和区域组织在联合行动中遭遇到组织 结 构 、 体 制 程序和规定方面的 差异，这些差异构成主要的挑战。 daccess-ods.un.org | In their joint operations, the Departments and the regional [...] organizations [...] encountered differences in organizational structures, institutional procedures and requirements that [...]presented key challenges. daccess-ods.un.org |
这些包括非毛利人与毛利人之间的差 异， 《威坦哲条约》在国内立法中 的地位，家庭暴力，机会平等，毛利人在刑事司法 制度中比例过高，以及批准新西兰尚未成为缔约国的人权条约问题。 daccess-ods.un.org | These included the [...] social disparities between non-Maori and Maori; the status of the Treaty of Waitangi in domestic legislation; family violence; [...]equality of opportunity; [...]overrepresentation of Maori in the criminal justice system; and ratification of human rights treaties to which New Zealand was not party. daccess-ods.un.org |
美国代表要求进一步提供资料，为此科学评估小组的代表介绍说，RC316c 有两种异构体，它 们在大气中停留时间和属性没有显著差别。 conf.montreal-protocol.org | At the request of the representative of the United States for further information, the representative of the [...] Scientific Assessment Panel said that the [...] chemical had two isomers, whose atmospheric [...]lifetimes and properties did not appear to differ significantly. conf.montreal-protocol.org |
最后，为了保护弱势群体，构建一个以尊重他人为基础的社会，日本采取了一些措施 来帮助残疾人独立和加 入社会生活，保障他们享受 基本自由和权利，《残疾人权利公约》对此做出了很 大贡献，日本于 2007 年签署了该《公约》，并期待 尽快批准该《公约》。 daccess-ods.un.org | With a view to [...] protecting vulnerable groups and establishing a society based on respect for others, it had also taken measures to support the independence of disabled persons [...]and their participation [...]in social life, so that they could enjoy their basic rights and freedoms in accordance with the Convention on the Rights of Persons with Disabilities, which her country had signed in 2007 and hoped to ratify soon. daccess-ods.un.org |
下列刺激剂，包括其相关的光学 异构体 （ D－ 型和 L－型），禁用 unesdoc.unesco.org | The following stimulants are prohibited, including both their [...] optical (D- and L-) isomers where relevant unesdoc.unesco.org |
杨格解释说，其目的并不是通过往后追 溯的判断去指责具体的行为，而是“通过改革 机 构体 制 去 改变 结 构 性 过 程，或建 立新的 能更好地监管过程以防止产生有害后果的 机 构体 制。 daccess-ods.un.org | Its aim, Young explained, was not to assign blame for discrete acts [...] through [...] backward-looking judgments, but “to change structural processes by reforming institutions or creating new ones that will better regulate the [...]process to prevent harmful outcomes”. daccess-ods.un.org |
德国还表 示，已拟订了战略行动构想，目的是为开展具针对性的进一步调查 建 立 必 要 的基 础结构。 daccess-ods.un.org | Germany further indicated that a strategic action concept was developed in order to create the necessary infrastructure for further targeted survey. daccess-ods.un.org |
有一个缔约方表示，本国正在拟订具有气候抗御能力 的增长倡议，并正在建立以整体方式 应对气候变化所需要的 机 构体 系。 daccess-ods.un.org | One Party stated that it is developing a climate-resilient green growth initiative and is in [...] the process of putting in place [...] institutional structures that will be needed to address climate change in a holistic manner. daccess-ods.un.org |
所有 b2-激动剂（在适当情况下包括两种光 学 异构体 ） 均为禁用物质，但 沙丁胺醇/salbutamol（24 [...] 小时内最大剂量为1600 微克）、福莫特罗（24小时内 最大剂量为36微克）和沙美特罗/ salmeterol 按照制药商建议的治疗方法吸入使 用除外。 unesdoc.unesco.org | All beta-2 agonists [...] (including both optical isomers where relevant) [...]are prohibited except salbutamol (maximum 1600 micrograms [...]over 24 hours), formoterol (maximum 36 micrograms over 24 hours) and salmeterol when taken by inhalation in accordance with the manufacturers’ recommended therapeutic regime. unesdoc.unesco.org |
后来人们发现，在反应器内对催化剂预处理（原 位 [...] 预处理）或“选择活化”（原位“选择活化”）可改变三个二甲 苯 异构体 通 过 催化剂 孔径时的相对扩散速率，从而使 [...]PX 选择性超出平衡限制。 exxonmobilchemical.com.cn | It was later discovered that an in situ pretreatment or “selectivation” of the catalyst could improve PX selectivity beyond [...] the equilibrium limitation by modifying the relative diffusion rates of [...] the three xylene isomers from the catalyst pores. exxonmobilchemical.com.cn |
本表内药物在其特定化学名称下可能存在 的 异构体 ， 但特别注明者除外； 本表内药物可能有的酯及醚，但见于另一附表者除外； 本表所列药物的盐类，包括上文所称的酯类、醚类 及 异构体 可 能 有的盐类。 incb.org | AND the isomers, unless specifically excepted, of the drugs in this [...] Schedule whenever the [...] existence of such isomers is possible within the specific chemical designation; the esters and ethers, unless appearing in another Schedule, of the drugs in this Schedule whenever the existence of such esters or ethers is possible; the salts of the drugs listed in this Schedule, including the salts of esters, ethers and isomers as provided [...]above whenever the existence of such salts is possible. incb.org |
氟环唑在Chiralcel OD-H手性色谱柱（填充CDMPC手性固定相）上采用反相色谱模式，以甲醇-水(体积比为80∶20)为流动相，获得了最佳的拆分,其两对对 映 异构体 的 分 离度Rs分别为1.64和6.50。 chrom-china.com | It can be baseline separated on a Chiralcel OD-H column packed with CDMPC chiral stationary phase when methanol-water (80∶20, v/v) was used as the mobile phase, the resolutions of the two pairs of enantiomers were 1.64 and 6.50, respectively. chrom-china.com |
大会第六十四届会议请新闻部与有关国家和联合国系统有关组织及 机 构合 作 ，继续采取适当措施，提高世界民众对纪念活动和永久纪念碑倡议的认识，并 继续推动开展努力，在现有资源范围内在联合国总部 竖 立 永 久 纪念碑；还请秘书 长向大会第六十五届会议报告为执行宣传教育方案而持续采取的行动，包括会员 国采取的行动，以及为提高世界民众对纪念活动和永久纪念碑倡议的认识而采取 的步骤(第 64/15 号决议)。 daccess-ods.un.org | At its sixty-fourth session, the General Assembly requested the Department of Public Information, in cooperation with the countries [...] concerned and with relevant [...] organizations and bodies of the United Nations system, to continue to take appropriate steps to enhance world public awareness of the commemorative activities and the permanent memorial initiative, and to continue to facilitate efforts to erect the permanent memorial [...]at United Nations [...]Headquarters, within existing resources; and also requested the Secretary-General to report to the Assembly at its sixty-fifth session on continued action to implement the programme of educational outreach, including action by Member States, as well as steps to enhance world public awareness of the commemorative activities and the permanent memorial initiative (resolution 64/15). daccess-ods.un.org |
一大批具体的建 议已提交给对话的协调员，如 建 立 大 学 的对话与网络；青年科学家的 对话，邀请教科文组织教席担任者参与对话活动；两个地区的实习记者和资深新闻工作者的 对话；举行青年论坛；重新启动文学作品翻译委员会，增加用欧洲语言翻译的阿拉伯作品； 学校教科书的比较研究；文化产业专业人士的对话；举办跨地区会议，探讨欧洲历史教科书 中阿拉伯伊斯兰文化的形象。 unesdoc.unesco.org | A host of concrete proposals were suggested to the coordinators of the Dialogue, such as: dialogue and networking among universities; dialogue among young scientists, involving UNESCO chairholders in dialogue activities; dialogue among student journalists and seasoned media practitioners from both regions; the holding of youth forums; reactivation of the Committee for the Translation of Literary Works and increase in the translation of Arabic works into European languages; a comparative study of school textbooks; dialogue involving professionals from cultural industries; the organization of an interregional conference on the image of Arab-Islamic culture in European history books. unesdoc.unesco.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。