| 单词 | 乙酸 | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| 释义 | 乙酸noun—acetatenaceticn乙酸—ethanoic acid acetic acid (CH3COOH) Examples:乙醇酸—glycolic acid C2H4O3 乙酸根—acetyl radical CH3COO- 乙酸基—acetyl radical CH3COO- See also:乙—ethyl winding bent letter "B" or roman "II" in list "A, B, C", or "I, II, III" etc radical in Chinese characters (Kangxi radical 5) second in order turning stroke (in Chinese characters) 酸n—acidn acidspl acidicn 酸—sore be sore 酸adj—souradj
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国际麻醉品管制局主席详细介绍了麻管局关于将苯乙酸从1988 年《联合国禁止非法贩运麻醉药品和精神药物公约》表二转至表一的建 议。 daccess-ods.un.org | The President of the International Narcotics Control Board provided detailed [...] information on the recommendation of the [...] Board to transfer phenylacetic acid fromTable II to [...]Table I of the United Nations Convention [...]against Illicit Traffic in Narcotic Drugs and Psychotropic Substances of 1988. daccess-ods.un.org |
麻管局在评估了对该调查表的 答复及其他相关资料后，于 [...] 2009 年 11 月 18 日向麻醉药品委员会主席提交了一 份说明，建议将苯乙酸从表二移至表一。 daccess-ods.un.org | The Board assessed the replies to the questionnaire and other relevant information and on 18 November 2009 transmitted to the Chair of [...] the Commission on Narcotic Drugs a notification recommending [...] the transfer of phenylacetic acid fromTable II to [...]Table I. daccess-ods.un.org |
它还常用作 生产乙酸丁酯、乙二醇丁醚、丙烯酸丁酯和氨基树脂等 化学品的中间体。 talloil.se | It is also an intermediate in the manufacture of chemicals, such as butylacetate, butylglycolether, butylacrylate and amino resins. talloil.se |
供形态学检测的样品最好保存在一种称为 AGA 的液体中，该液体是由 60%的乙醇、甘油和乙酸按10:1:1 的比例配制而成。 ippc.int | Specimens for morphological examination are best collected [...] in a fluid called AGA, which is a mixture of 10 [...] parts of 60% ethanol with 1 part of glycerine and 1 partof aceticacid. ippc.int |
这项计划将协助伊拉克政府通过两个投资项 目组成部分，全部淘汰用于硬质聚氨酯泡沫塑料产品和商用冰箱制造业的氟氯化碳消费； 执行一项关于淘汰制冷维修行业氟氯化碳消费的计划；通过一项技术援助方案淘汰哈龙消 费；并通过一项技术援助方案，淘汰用作溶剂的四氯化碳和 CFC-113 以及三氯乙酸消费。 multilateralfund.org | The plan would help the Government of Iraq to phase out completely CFC consumption used in the manufacture of rigid polyurethane foam products and commercial refrigerators through two investment project components; implement a phase-out plan addressing CFC consumption in the refrigeration servicing sector; phase out halon consumption through a technical assistance programme; and phase out CTC, CFC-113 andTCA used as solvents through a technical assistance programme. multilateralfund.org |
咨询专家小组给麻管局的咨询意见是，各国政府提供的资料和关于苯乙酸的其他 现有资料都支持把该药物从《1988 年公约》表二转至表一的工作继续下去。 daccess-ods.un.org | The advisory expert group advised the Board that the information [...] provided by Governments and other information [...] available on phenylacetic acid supported the [...]continuation of the process for the rescheduling [...]of that substance from Table II to Table I of the 1988 Convention. daccess-ods.un.org |
兼容水质样品以及一系列其它溶剂：丙酮、笨甲醛、丁酮、二氧六环、DMF、乙酸乙酯、异丙醇，以及多种酸碱。 malvern.com.cn | Compatible with aqueous samples and a range of [...] other solvents: Acetone, Benzaldehyde, Butanone, [...] Dioxane, DMF, Ethyl acetate, Isopropanol, plus various acids and bases. malvern.com |
D705 是一种分散体含溶剂（约占重量的 4%，乙酸乙酯，乙醇）的镶木地板用地板胶，符合 EN 14293（硬度）标准，含水量低。 bonaepi6-live.w...ngpropeople.com | D705 is a dispersion and solvent( app. 4 [...] weight-%, Ethylacetat, Ethanol ) based parquet adhesive [...]according to EN 14293 (hard) with low water content. bonaepi6-live.w...ngpropeople.com |
2010 年，在“定向打击贩运活动区域交流、知识专长 [...] 和培训倡议”第二期行动下开展的全部阻截活动共在 阿富汗收缴 1 630 公斤乙酸酐，在伊朗收缴 383 公斤， [...]在巴基斯坦收缴 21 000 公斤)。 daccess-ods.un.org | The overall interdiction under Operation TARCET II (Targeted Anti-trafficking Regional Communication, Expertise and Training [...] Initiative) in 2010 resulted in the [...] seizure of 1,630 kg aceticanhydridein Afghanistan, [...]383 kg in Iran and 21,000 kg in Pakistan. daccess-ods.un.org |
分别用荧光分光光度法、激光共聚焦扫描显微镜分析原卟啉 Ⅸ在肿瘤细胞内的积聚、定位情况；利用台盼蓝拒染法测定聚焦超声激活原卟啉 [...] [...] Ⅸ对细胞存活率的影响；透射电镜观察细胞的超微结构变化；罗丹明123检测线粒体膜电位变化；2′,7′-二氯荧光黄双乙酸盐（2′,7′- dichlorodihydrofluorescin diacetate, [...]DCFH-DA）检测细胞内活性氧（Reactive oxygen [...]species, ROS）水平；硫代巴比妥酸法检测细胞膜脂质过氧化水平的变化。 actazool.org | Mitochondrial membrane potential(MMP), intracellular reactive oxygen species (ROS) levels, and the level of lipid peroxidation were determined by [...] Rhodamine 123, 2′,7′- [...] dichlorodihydrofluorescin diacetate (DCFH-DA) and thiobarbituric acid reaction method [...]respectively. actazool.org |
意味着存在乙酸加过量酸的组成部分。 emw-wines.com | Implies presenceof acetic acid plusexcess acid component. en.emw-wines.com |
麻管局还 建议中国政府和尚未这样做的其他各国政府以相 同方式密切监测苯乙酸的酯类以及清单所列其他 有机酸的酯类（例如邻氨基苯甲酸和N-乙酰邻氨 基苯酸）。 incb.org | The Board also recommends that the Government of China and other Governments [...] that are not already doing so closely monitor phenylaceticacid esters and the esters of other scheduled organic acids (i.e. anthranilic acid andN -acetylanthranilic acid) in the same way as they monitor the acids themselves. [...] incb.org |
作 为“定向打击贩运活动区域交流、知识专长和培 训二”行动的一部分，2009 年，毒品和犯罪问题 办公室记录缉获了非表列化学品，其中包括在巴 基斯坦缉获 5 吨乙酰氯；在阿富汗缉获 2 吨氯化 铵、23.5 [...] 吨咖啡因和 2.2 吨碳酸钠，以及在中国缉 获 1,500 升乙酸。incb.org | As part of TARCET II, UNODC recorded seizures of nonscheduled chemicals in 2009, including 5 tons of acetyl chloride in Pakistan; 2 tons of ammonium [...] chloride, 23.5 tons of caffeine and 2.2 tons of sodium carbonate in Afghanistan; and [...] 1,500 litres of acetic acid inChina. incb.org |
这能产生乳酸和乙酸，阻止酵母、真菌和真菌毒素生长，提高需氧菌稳定性，保护您青贮饲料的营养价值。 delaval.cn | This produceslacticacid and acetic acid, which deter [...] the growth of yeasts, fungi and mycotoxins to improve the aerobic [...]stability and protect the nutritional value of your silage. delaval.com |
详细考察了醛的种类及用量、羧酸溶剂的种类、反应体系的含水量对消旋化的影响,结果表明L-谷氨酸在含20%(体积分数)水的乙酸溶剂中,以水杨醛作为催化剂(水杨醛与L-谷氨酸的物质的量比为0.2)的优化条件下可以快速地被消旋化。 chrom-china.com | The influences of the type and dosage of the aldehyde, organic acids, as well as the water content in the reaction system on the racemization were examined in detail, and L-Glu was racemized quickly in the presence of 0.2 molar ratio of L-Glu to salicylaldehyde (as the catalyzer) in acetic acid containing 20%(v/v) water. chrom-china.com |
Harry Klee及其同事此前把消费者的口味偏好与几种和祖传番茄(heirloom [...] tomatoes)品种的味道相关的挥发性化学物质关联了起来，确定了番茄中的乙酸酯含量越少，人们就越喜欢。 chinese.eurekalert.org | Harry Klee and colleagues previously correlated consumer taste preferences with flavor-associated volatile chemicals in several varieties [...] of heirloom tomatoes, establishing that the lower [...] the content of acetate esters in tomatoes, [...]the higher the preference. chinese.eurekalert.org |
他使用丙乙酸漆颜料，并经常用精巧搭配的灰色或甚至微微的透明色进行创作，他的人像作品强调女性的面部和形体，同时从精神层面和日常生活汲取设计灵感。 swatch.com | Working with acrylicpaint, and often [...] using a delicate palette of pale or even slightly translucent colours, he creates [...]images focused on the female face and form, drawing inspiration from both spiritual and everyday sources. swatch.com |
据3月27日发表在《美国医学会杂志》上的一则研究披露，尽管将药物乙二胺四乙酸二钠的螯合疗法用于冠心病已经有许多年的时间而且对于这种疗法只有有限的功效证据，但一项包括了先前发生过一次心肌梗塞病人的随机化试验发现，使用螯合疗法可适度地降低不良心血管后果的复合风险，但这些发现不支持对已经有过一次心肌梗塞的病人常规性地使用螯合疗法进行治疗。 chinese.eurekalert.org | Although chelation therapy [...] with the drug disodium EDTAhas been [...]used for many years with limited evidence of efficacy for [...]the treatment of coronary disease, a randomized trial that included patients with a prior heart attack found that use of a chelation regimen modestly reduced the risk of a composite of adverse cardiovascular outcomes, but the findings do not support the routine use of chelation therapy for treatment of patients who have had a heart attack. chinese.eurekalert.org |
具体而言，“传统”聚合物是在苯中进行合成，而“具有毒理学优势”的聚合物则是在乙酸乙酯或乙酸乙酯/环己烷混合物共溶剂中进行合成。 cn.lubrizol.com | Specifically, the “traditional” polymers are synthesized in benzene and the “toxicologically preferred” polymers are synthesized in either ethyl acetate or a cosolvent ethyl acetate/cyclohexane mixture. lubrizol.com |
调查组在位于北京金源时代购物中心的老边饺子馆和东来顺金源饭庄，分别取到疑似劣质一次性餐盒样品，后经北京市理化分析测试中心进行卫生性能检测，老边饺子馆所使用的“YL-03”餐盒，乙酸和正己烷蒸发残渣检测结果分别是4540mg/L和729mg/L，分别超过规定限值153倍和23倍;东来顺饭庄使用的“ZS-104”餐盒，这两项指标检测结果分别为3980mg/L和704mg/L，分别超过规定限值132倍和22倍。 nfjx.com | Investigation team in Beijing Golden Resources Shopping Mall in the old side of Dumpling House and Dong Lai Shun Jin Yuan restaurant, were taken to a suspected low-grade samples of disposable lunch box, after the Beijing Municipal Center for Physical and Chemical Analysis for health, performance testing, the old [...] side of Dumpling House The use of [...] "YL-03" lunch boxes, acetic acidand hexane evaporation [...]residue test results were 4540mg [...]/ L and 729mg / L, respectively, exceeding the prescribed limit of 153 times and 23 times; Dong Lai Shun restaurant use "ZS- 104 "lunch box, test results of these two indicators were 3980mg / L and 704mg / L, respectively, exceeding the prescribed limit of 132 times and 22 times. nfjx.com |
正丁醇 – 改善涂料性能 本产品可用于生产水性乳胶液的丙烯酸酯单体 以改善 其涂料粘合性 正丁醇还可用于生产聚氨酯涂料的溶 剂即乙酸丁酯作为生产化学品和医药品流程之载体 溶剂 以及作为水性涂料之助溶剂 在应用于化学品生 产时 正丁醇可以是直接使用的主成份之一如乙二醇丁 醚生产 也可以作为中间体如氨基树脂生产等 perstorpcaprolactones.com | It is also used as a starter for butylacetate which functions as a solvent for polyurethane based coatings, as a process solvent in production of chemicals and pharmaceuticals and as a co-solvent in water based coatings. n-Butanol is further used as a direct solvent and as an intermediate in the manufacture of chemicals such as butylglycolether and amino resins. perstorpcaprolactones.com |
因此，业界应继续密切监察生产过程、找出可能引起问题的地方和 制订方法，以防止或减少食品在制造及贮存过程中产生氨基甲酸乙酯，并把食品的氨基甲酸乙酯含量减至最低。 cfs.gov.hk | It is therefore important for the industry to continue closely monitor the manufacturing process, identify potentially problematic conditions and develop methods that would prevent or reduce the formation of EC and maintain EC contamination at the lowest level possible during processing and storage. cfs.gov.hk |
具有高粘合力和内聚能力的Escorene Ultra乙烯-醋酸乙烯（EVA）共聚物树脂能满足用于木工应用（如将带边沿粘附在家具上的配方）的树脂所需的两个最重要的特性。 exxonmobilchemical.com | The high adhesion and cohesion capabilities of Escorene Ultra ethylenevinylacetate (EVA) copolymer resins meet the two most important characteristics of resins used in woodworking applications such as formulations to attach edge bands to furniture. exxonmobilchemical.com |
产品由于聚合物链醋酸乙烯含量高， 所以也能够在较低的温度下胶合， 这使VINNOL® [...] H 30/48 M成了奶酪、 酸奶等热敏食品或药品的理想包装材料， 进一步扩大了瓦克的印刷油墨、 油漆和涂料产品系列。 wacker.com | VINNOL® H 30/48 M is therefore perfectly suited for packaging [...] thermosensitive pharmaceuticals and foods, [...] such as cheese or yogurt, thus adding to [...]WACKER’s extensive portfolio for inks, paints and coatings. wacker.com |
近年来在日本的木工和建筑领域，醋酸乙烯共聚物乳液、EVA乳液和水性异氰酸盐的需求有所增长，贴瓷和嵌板用弹性胶黏剂的需求开始显现；据专家介绍，在包装领域，再生纸用非粉碎性热熔胶、层压制品用丙烯酸乳液和聚氨酯分散型胶黏剂的需求扩大；在汽车领域，含有胶黏剂的零件和内饰用反应型热熔胶的需求加大，封闭式光束灯用弹性热熔胶的需求显现；在电子电气领域，多功能、快速紫外光固化胶黏剂受到欢迎。 wangyouauto.com | In recent years, in Japan's carpentry and [...] architecture, vinylacetatecopolymer emulsion, EVA emulsion and diisocyanate [...]salt water of the increased [...]demand, porcelain and panels with elastic rubber adhesive application needs to, According to expert introduction, in the packaging field, the use of recycled paper comminuted glue, laminated products with acrylic acid emulsion and dispersed polyurethane adhesive demand expansion, In automotive field, adhesive and interior parts with reactive hot melt adhesive demand, enclosed with elastic beam of light appeared, the hot melt adhesive demand In the electronic field, multi-function, rapid uv-curable adhesive are welcome. wangyouauto.com |
如果每个類别的食品和样本數目增加，化验检测工作便能 够更全面地涵盖香港市面供应的发酵食物，以及更准确地评估这些食物 的氨基甲酸乙酯含量范围和平均值。 cfs.gov.hk | Increasing both the number of food items and the number of samples per individual food commodity for laboratory analysis could provide a more comprehensive coverage and a more precise estimate of the range and average EC concentration of fermentedfoods in the Hong Kong market. cfs.gov.hk |
瓦克在2013年法国巴黎复合材料展上展出的产品包括两项新开发的VINNAPAS®威耐实品牌产品， 这两种聚醋酸乙烯酯(PVAc)固体树脂能够生成完美的无收缩表面。 wacker.com | WACKER's exhibits at the JEC COMPOSITES 2013 [...] include two new products from its VINNAPAS® [...] rangeof polyvinyl acetate (PVAc) solid [...]resins for perfect non-shrink surfaces. wacker.com |
结果表明: 方法在2～500 μg/L的范围内线性关系良好(相关系数大于0.995),其对黄酒和葡萄酒的检出限为1.7 [...] μg/L,定量限为5.0 μg/L,可达到黄酒和葡萄酒中氨基甲酸乙酯的检测要求。 chrom-china.com | The calibration curve showed good linearity in the range of 2~500 μg/L with the correlation coefficient greater than 0.995. The limit of detection (LOD) was 1.7 μg/L and the limit of [...] quantification (LOQ) was 5.0 μg/L. The [...] recoveriesof theethyl carbamate in Chinese [...]rice wine and grape wine was in the range of 90%~102%. chrom-china.com |
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。