| 单词 | 脲醛 | ||||||||||||||||||||||||||||||||||||||||||||||||||
| 释义 | 脲醛—urea formaldehydeSee also:脲—urea (NH2)2CO carbamide 醛—aldehyde
|
此外，甲醛也常用于聚合树脂 （如，苯酚 ‐甲醛和脲醛）中。 afirm-group.com | In addition, formaldehydeis often used in polymeric resins (e.g., phenol-formaldehydeand urea-formaldehyde). afirm-group.com |
用于水箱消毒时，可把三氯异氰脲酸酯钠片剂放在漂浮型缓释器中缓慢释 放氯剂，以维持必要的消毒浓度。 icrc.org | In the latter case a tablet is placed in a floating dispenser which releases the chlorine slowly, thus maintaining the concentration necessary for disinfection. icrc.org |
聚脲常常在 B （树脂）侧使用胺。 graco.com | Polyureas often have amines on the B (resin) side. graco.com |
用于喷涂聚氨酯泡沫和聚脲涂料。 graco.com | For spraying [...] polyurethane foam and polyurea coatings. graco.com |
听力保护装备 异氰酸酯 (ISO) 是双组份泡沫和聚脲涂料中使用的催化 剂。 graco.com | Hearing protection Isocyanates (ISO) are catalysts used in two [...] componentfoam and polyureacoatings. graco.com |
若欲获得彩色酚醛塑料手柄, 请将订购号中的 BK 替换为成套件 颜色标记。 swagelok.com.cn | For coloredphenolic handles, replace [...] BK in the ordering number with a kit color designator. swagelok.com.cn |
要订购彩色酚醛手柄时、在成套件订购号中用一手柄颜色代号 来取代 -BK。 swagelok.com.fr | Forcolored phenolic handles,replace [...] -BK in the kit ordering number with a handle color designator. swagelok.com.fr |
统的影响”、“毒理机制和方法”(2008 年)；“产后甲醛暴露对老鼠海马状突起和 大脑半球的锥体细胞数量、细胞层体积的影响：一个体视学研究”(2007 年)；“褪 黑激素可防止甲醛诱导的老鼠前额皮层神经毒害：免疫组织化学和生物化学研 究”(2007 年)；“咖啡酸苯乙酯对防止老鼠因吸入香烟烟雾造成肝损伤的保护作 用”(2007 年)；“W-3 必需脂肪酸对防止甲醛诱导老鼠前额皮层神经元损伤的保 护作用”(2007 年)；“W-3 脂肪酸在老鼠脑缺血再灌注模型中的保护作用”(2007 年)。 daccess-ods.un.org | (2008); “Effects ofpost-natal formaldehyde exposure onpyramidal cell number, volume of cell layer in hippocampus and hemisphere in the rat: a stereological study” (2007); “Melatonin preventsformaldehyde-induced neurotoxicity in prefrontal cortex of rats: an immunohistochemical and biochemical study” (2007); “The protective effects of caffeic acid phenethyl ester (CAPE) against liver damage induced by cigarette smoke inhalation in rats” (2007); “Protective effects of W-3 essential fatty acids against formaldehyde-induced neuronal damage [...] in prefrontal cortex of rats” [...](2007); “Protective effects of W-3 fatty acids in a rat focal cerebral ischaemia-reperfusion model” (2007). daccess-ods.un.org |
此外， 已知乙烯硫脲和丙烯硫脲两种二硫代氨基甲酸酯类代谢物具有甲状腺毒 性，较其母体化合物更值得关注。 cfs.gov.hk | Two dithiocarbamate metabolites, ethylene thiourea (ETU) and propylene thiourea (PTU), are of greater concern than their respective parent compounds due to their known thyroid toxicity. cfs.gov.hk |
异氰酸酯 (ISO) 是用于双组份泡沫和聚脲涂料的催化剂。 graco.com | Isocyanates (ISO) are catalysts used in two [...] component foam andpolyurea coatings. graco.com |
欧盟代表团对于以下农药/商品组合的最高残留限量建议表达了保留意见：对于除虫脲的总体保留意见，因为该化合物在欧盟正在接受评估；具体保留意见包括：桃子、 [...] 李子和青椒的建议值；噻螨酮（草莓）；醚菊酯（葡萄）；麦草畏（大豆）；啶虫脒 （欧芹(除菠菜外的叶类蔬菜)），以及粉唑醇（葡萄干(无核葡萄干、葡萄干和小葡萄干) 和葡萄）。 codexalimentarius.org | The Delegation of the European Union expressed its reservation on the following proposals for MRLs for [...] pesticide / commodity combinations: general [...] reservation on diflubenzuron asthe evaluation [...]of this compound was ongoing in the [...]EU and specific reservations for the proposals for peaches, plums and peppers; hexythiazox for strawberries; etofenprox for grapes; dicamba for soybeans; acetamiprid for scarole (leafy vegetables except spinach) and flutriafol for dried grapes (= currants, raisins and sultanas) and grapes. codexalimentarius.org |
取代脲催化剂有助于加快固化速度和降低双氰胺固化配方的固化温度，并有 [...] 助于提高生产效率、节约所用能源和增强最终产品的物理特性。 emeraldmaterials.com | Substituted Ureacatalystshelp [...] to accelerate the cure speed and reduce cure temperatures of Dicyandiamide cured formulations [...]and help to optimize productivity, energy use, and ultimate physical properties. emeraldmaterials.com |
滑动 层组成主要是聚甲醛（POM)，其材料特性 是低摩擦值和化学及温度稳定性。 schaeffler.cn | The sliding layer [...] comprises mainly polyoxymethylene(POM), a material [...]which is characterized by low friction values as well [...]as chemical and thermal stability. schaeffler.cn |
1957年美国保险业的3名工作人员调查一起由甲醛和苯酚制取酚醛树脂的反应器爆炸事故，经过仔细调查，一点也没有发现燃烧爆炸的痕迹"研究结果表明，其原因是： [...] 反应器内的介质主要是水，它处于加压过热状态，而且反应器气相部分的器壁发生了裂口，这使反应器内压力急剧下降，造成反应器内的水骤然气化和体积膨胀，正是由它造成了反应器的爆炸"在当时已了解到蒸汽锅炉也有类似事故发生，进一步的研究还发现液化天然气即使在不加热的情况下，也会发生类似的现象"为了与其他的爆炸加以区别，将它称之为"BLEVE"。 gentle-st.com | In 1957 the U.S. insurance industry along with [...] three staff survey taken by the [...] system and phenol formaldehyde phenolic resin reactor [...]explosion, after careful investigation, [...]that also found no traces of burning and explosion "results show, the reason is: reactor the medium is mainly water, it is pressurized thermal state, and part of the reactor wall of gas had cracks, which makes a sharp decline in the pressure within the reactor, causing a sudden water reactor gasification and volume expansion, it is It is caused by the reactor explosion "in the steam boiler was already aware of similar incidents have occurred, further research also found that LNG is not even in the case of heating, a similar phenomenon will occur" in order to explode with the other distinction, it would be called "BLEVE". gentle-st.com |
对于那些安装了新设备的企业而言，当它们从 CFC-11 转产，同时 [...] 所选择的技术涉及液态氢氟碳化物、水性体系、甲酸甲酯或甲缩醛时，其 增支资本成本是适度的（在大多数情况下，这将涉及到技术援助、试验和 [...]培训；在某些情况下，可能需要按照基准改造一些设备项目，或者在使用 [...]甲酸甲酯时引入安全元素）。 multilateralfund.org | For enterprises that installed new foaming machines when they converted from CFC-11 and where the chosen technology is [...] liquid HFC-based, water-based systems, methyl [...] formateor methylal, the ICC would [...]be modest (in most cases it would relate [...]to technical assistance, trials and training; in some cases retrofit of some equipment items in the baseline might be required or the introduction of safety related elements when using methyl formate). multilateralfund.org |
甲醛是危险的，使用过程中及使用后都 应该仔细处置。 hesperian.org | Formaldehyde is dangerous and [...] should be handled carefully, if used at all. hesperian.org |
另一个优点是：这一乳液生产时不需要烷基苯酚乙氧基化物(APEO)， 而且甲醛和醋酸乙烯酯单体(VAM)的含量低。 wacker.com | Another advantage is that the dispersion is produced without [...] the use of alkylphenol ethoxylates (APEOs), and contains very [...] low levels of formaldehyde and vinyl acetate [...]monomer (VAM). wacker.com |
上述各项试验反应，一般应为硫化氢阳性(或阴性)，靛基质阴性，脲酶性，氰化钾阴性，赖氨酸脱羧酶阳性，动力阳性，A~F”0”多价血清凝集试验 阳性。 cmchk.org.hk | Generally speaking, the results for the above tests shall be: hydrogen sulfide test positive (or negative), Indole test negative, urease test negative, potassium cyanide test negative, lysine decarboxylase test positive, dynamics test positive, and A~F”0” polyvalent autoagglutination test positive. cmchk.org.hk |
加热式液压多组份配比器 用于喷涂聚氨酯泡沫和聚脲涂料。 graco.com | Hydraulic, Heated, Plural Component Proportioner For spraying [...] polyurethane foamandpolyurea coatings. graco.com |
另一方面，在此前的几份报告中我们就曾提出过的，古巴仍然不能买到美国 [...] 出产的专门用于治疗脑肿瘤的新型细胞抑制剂，如阿霉素脂质体和亚硝基脲。daccess-ods.un.org | As noted in previous reports, Cuba is still not permitted to purchase new [...] United-States-made cytostatics, such as liposomal [...] adriamycin and nitrosoureas, which are [...]specifics in the treatment of brain tumours. daccess-ods.un.org |
作为全配方的复合添加剂，这款多功能产品适用于锂基，复合锂和脲基润滑脂。 cn.lubrizol.com | A fully-formulated additive package, this versatile chemistry can be used in lithium, lithium complex and urea-thickened greases. lubrizol.com |
参加的会议 第十二次全国解剖学代表大会“对学位的评价标准”，土耳其梅尔辛(2008 [...] 年)；第十一次全国解剖学代表大会“让我们了解甲醛：即使我们不能躲避它”， 土耳其德尼兹利(2007 年)。 daccess-ods.un.org | The evaluation of criteria of academic degrees”, Twelfth National [...] Congress of Anatomy, Mersin, Turkey [...] (2008); “Let’s know formaldehyde: even if we can not [...]escape from it”, Eleventh National [...]Congress of Anatomy, Denizli, Turkey (2007). daccess-ods.un.org |
根据提议，今后三年将对 4 [...] 个地方配方厂家提供技术援助，用于使用新的全球升温 潜能值低的替代技术（主要是 [...] FEA-1100、HBA-2、AFA-L1、甲酸甲酯和甲基醛）制造定 制化配方，从而确保无法参与第一阶段的下游企业能够获得成本效益高的替代品，这样它 [...]们就能做好充分准备，在第二阶段进行技术转换。 multilateralfund.org | Technical assistance to four local systems houses is proposed for customizing formulations using new and emerging low-GWP alternative [...] technologies (mainly FEA-1100, HBA-2, AFA-L1, [...] methyl formate and methylal) during the next [...]three years to ensure availability of [...]cost effective alternatives to the downstream enterprises that are unable to participate in stage I, so they are adequately prepared to undertake conversion during stage II. multilateralfund.org |
此外， [...] 因为不使用具有反应活性的共聚单体和外部交联剂， 并且甲醛含量低(小于5 ppm)， VINNAPAS® DPX [...]271能达到瓦克在责任关怀®倡议中承诺的最新环境和安全标准。 wacker.com | Because the use of reactive co-monomers [...] and external crosslinkers is unnecessary, [...] the ultra low formaldehyde (<5ppm) dispersion [...]VINNAPAS® DPX 271 thus meets the latest [...]environmental and safety standards according to WACKER’s commitment to the Responsible Care® initiative. wacker.com |
摘要 建立了液相色谱-串联质谱(LC-MS/MS)法用于同时测定水产品中硝基呋喃类药物的代谢物3-氨基-2-唑烷基酮(AOZ)、5-甲基吗啉-3-氨基-2-唑烷基酮(AMOZ)、氨基脲(SEM)、1-氨基-2-内酰脲(AHD)和3,5-二硝基水杨酸肼(DNSH)。 chrom-china.com | Abstract A method was developed for simultaneous qualitative and quantitative analysis of five metabolites of nitrofuran antibiotics, including 3-amino-2-oxazolidinone (AOZ), 5-morpholino-methyl-3-amino-2-oxazolidinone (AMOZ),semicarbazide (SEM), 1-aminohydantoin (AHD) and 3,5-dinitrosalicylic acid hydrazide (DNSH) in aquatic products by liquid chromatography-tandem mass spectrometry (LC-MS/MS). 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。