| 单词 | 羧 | ||||||||||||||||||||||||||||||||||||||||||||||||||||||
| 释义 | 羧 —carboxyl radical (chemistry)Examples:羧基酸—carboxylic acid 羧酸—carboxylic acid 羧酸 n—amide n
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邻苯二甲酸酯属1,2-苯二羧酸的 二烷基酯或烷基芳基酯。 cfs.gov.hk | Phthalates are dialkyl or alkyl aryl esters of 1,2-benzenedicarboxylic acid. cfs.gov.hk |
本款护肤乳液配方内含吡咯烷酮羧酸 钠 ，它是皮肤天然保湿因子的一种成分。 cn.lubrizol.com | This body lotion formulation contains sodium [...] pyrrolidone carboxylate salt, which [...]is part of the natural moisturizing factor in skin. lubrizol.com |
他们应能写出碳链带着不多於八 个碳原子的烷、烯、卤烷、醇、醛和酮 、 羧 酸 、 酯、未经取代的酰胺和一 级胺的系统名称。 334.edb.hkedcity.net | Students will also learn about the chemistry of a number of functional groups. They should be able to give systematic names of alkanes, [...] alkenes, haloalkanes, alcohols, [...] aldehydes and ketones, carboxylic acids, esters, unsubstituted [...]amides and primary amines, [...]with not more than eight carbon atoms in their carbon chains. 334.edb.hkedcity.net |
拥有 1,3 羧 酸构型的 PIA 有助于分解聚对 PET（苯二甲酸乙二醇酯） [...] 瓶装级和纤维级中的结晶结构，从而提高其透明度和改 善加工流程。 perstorp.ch | With its 1,3 carboxylic acid configuration, [...] PIA helps break crystallinity in PET (polyethylene terephthalate) bottle and [...]fiber grade, which in turn improves clarity and processing. perstorp.ch |
谱系染料，例如羧基二 醋酸琥珀酰亚胺酯（CFSE）利用膜渗透结合蛋白，然后通过琥珀酰亚胺酯与邻近蛋白作用。 labome.cn | Lineage dyes, [...] for example carboxyfluorescein diacetate succinimidyl [...]ester (CFSE) bind protein by being membrane permeable [...]and then reacting to nearby proteins via the succinimide ester. labome.com |
在所有用于纸张涂布的水溶性聚合物中，例 如 羧 甲 基 纤维素（CMC）钠、淀粉以及人工合成的助粘结料等，聚乙烯醇无疑是最好的——它是我们的聚合物溶液的关键成分。 wacker.com | Of all the water-soluble polymers used in paper-coating, such as sodium CMC, starch, synthetic co-binders, the No. 1 is polyvinyl alcohol – the key ingredient of our polymer solutions. wacker.com |
新获专利的原材料被命名为羧甲基 纤维素（Carboxymethylcellulose），简称CMC。 henkel.cn | The new patented raw material was named Carboxymethylcellulose (abbreviated to CMC). henkel.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 |
以碳氢化合物为组成的稀释剂在Co2+ 作为催化 剂存在的条件下很容易被氧化成羧酸。 cytec.com | 1000 TOPO Hydrocarbon diluents [...] oxidize readily to carboxylic acids in the [...]presence of a cobalt (Co2+ ) catalyst. cytec.com |
它在糖酵解、糖异生、三羧酸循 环及呼吸链中发挥着不可替代的作用，在能源生产中起到了重要作用，并有助于生产L-多巴，这是变成多巴胺的神经递质。 cn.iherb.com | In addition, there is often impairment in short-term memory or concentration, sore throat, tender lymph nodes, muscle pain, pain in the joints, headache and malaise. iherb.com |
纤维素衍生物羧甲基 纤维素（CMC）以Henkel-Zellkleister Z 5之名首次进入市场，它是一种可溶于冷水的浆糊粉。 henkel.cn | The cellulose derivative Carboxymethylcellulose (CMC) made its market debut as Henkel-Zellkleister Z 5, a paste powder that was soluble in cold water. henkel.com |
羧酸的 形成可以提高镍的萃取率，从而极大地降低了 CYANEX 272萃取剂原有的对钴/镍的选择性。 cytec.com | The formation of carboxylic acids, which are [...] active nickel extractants, can seriously reduce the cobalt-nickel selectivity [...]obtained with CYANEX 272 extractant. cytec.com |
合成聚酯用的醇类通常有甘油（图 10），1,1,1-三羟甲基丙烷（图 11），乙二 醇（EG，图 12），一缩二乙二醇（DEG， 图 13）；而羧酸类通常有对苯二甲酸二甲 酯（DMT，图 14），偏苯三酸酐（TMA， 图 15）。 | HO-R-OH + HOOC-R`-COOH → -[O-R-O-CO-R`-CO]- + H For the polyesters normally glycerin (Fig. 10), TMP (Fig. 11), ethyleneglycol (EG, Fig. 12), diethyleneglycol (DEG, Fig. 13) as alcohols and dimethyl terephthalic acid (DMT,Fig. 14) and trimellit acid anhydride (TMA, Fig. 15) as carboxylic acid were used. elantas.it |
所有的胺基酸都有一个 alpha-amino 氮和羧基酸的基 本架构。 herbalifenutritioninstitute.com | All amino acids have a basic structure of an alpha-amino nitrogen and carboxylic acid. herbalifenutritioninstitute.com |
三价铬和六价铬分别以吡啶-2,6-二羧 酸 (P DCA)和1,5-二苯卡巴肼(DPC)作为络合剂在柱前和柱后进行衍生化,分别在紫外和可见波长下采用紫外检测器进行检测,灵敏度高,基体干扰小。 chrom-china.com | Cr(III) and Cr(VI) were derivatized with 2,6-pyridinedicarboxylic acid (PDCA) and 1,5-diphenyl-carbazide (DPC), and detected by an ultraviolet-visible (UV-Vis) detector at UV and visible wavelengths, respectively. chrom-china.com |
该CHEMIC人的技术包括传统的生物分子的策略，例如，赖氨酸，烷基化的半胱氨酸的sulfhydrilic组的氨基酰化， 和 羧 酸 残基的激活和添加了胺的耦合。 jove.com | The chemical techniques include traditional bioconjugation strategies such as, the acylation of the amino group of lysine, [...] alkylation of the sulfhydrilic group of cysteine, and [...] activation of carboxylic acid residues [...]and coupling with added amines. jove.com |
ALLOMATRIX® 可注射粘合剂由人类脱钙骨基质 (DBM) 与硫酸钙结合介质及羧甲纤维素混合制 成。 wmt.com | ALLOMATRIX® Injectable Putty is a combination of Human Demineralized Bone Matrix (DBM) with a binding medium of calcium sulfate and carboxymethylcellulose. wmt.com |
头孢丙烯; [...] (6R,7R)-7- [(2R)-2-氨基-2-(4-羟基苯基)乙酰氨基 ]-8-氧代-3-(1-丙烯基)-5-硫杂-1-氮杂双环[4.2.0]辛-2-烯 - 2 - 羧酸 chemblink.com | 8-[2-Amino-2-(4-hydroxyphenyl)-acetyl ]amino-7-oxo-4-prop-1-enyl-2-thia-6-azabicyclo[4.2.0 ]oct-4-ene-5-carboxylic acid; [...] [...] (6R-(6alpha,7beta(R*)))-7-((Amino(4-hydroxyphenyl )acetyl)amino)-8-oxo-3-(1-propenyl)-5-Thia-1-azab icyclo(4.2.0)oct- 2- ene- 2-carboxylic acid chemblink.com |
右旋烯丙菊酯; 右旋反式丙烯菊酯; 右旋-反式-2,2-二甲基-3-(2-甲基-1-丙烯基)环丙 烷 羧 酸 -( R,S)-2-甲基-3-烯丙基-4-氧代-环戊-2-烯基酯 chemblink.com | Bioallethrin; (+/-)-2,2-dimethyl-3-(2-methylpropenyl)cyclopropa necarboxylic acid 2-allyl-4-hydroxy-3-methyl-2-cyclopenten-1-one ester chemblink.com |
南昌市吉龙实业有限公司 成立于2008年4月，厂区位于南昌市昌北经济技术开发区庐山南大道，是一家专业生产、销售混凝土外加剂的公司，公司主要产品有LONS -P 聚 羧 酸 系 高效减水剂、Lons-500/600型高效泵送剂、复合防水剂、防冻剂等，公司年产规模可达5万吨，产品已在南昌市混凝土搅拌站及周边地市广泛使用，并已获得用户认可。 jilong-chem.com | Ltd. specializes in the production and sales of concrete additives. Major products of the company include Lons-P poly carboxylic acid series high efficiency superplasticizer, Lons-500/600 retarded high efficiency superplasticizer, compound waterpro of agent, antifreezing agent, etc. Annual production scale of the company has reached 50,000 tons, and its products have been widely used in concrete batching plants of Nanchang as well as surrounding areas and cities. jilong-chem.com |
根据客户请求，路博润已证实选定的各批次产品符合J PE 聚 羧 乙 烯 聚合物专着的规定。 cn.lubrizol.com | Based on customer request, Lubrizol certifies select lots of product against the JPE Carboxyvinyl Polymer Monograph. lubrizol.com |
ALLOMATRIX® 定制粘合剂产品由人类脱钙骨基质 (DBM) 和松质骨基质／骨片 (CBM) 与硫酸 钙结合介质及羧甲纤维素混合制成。 wmt.com | ALLOMATRIX® Custom Putty Products are a combination of Human Demineralized Bone Matrix (DBM) and cancellous bone matrix/chips (CBM) with a binding medium of calcium sulfate and carboxymethylcellulose. wmt.com |
这种方法已被用于测定大鼠小脑部分中谷氨酸 脱 羧 酶 的 活性，并检测培养细胞表面上辣根过氧化物酶的存在。 scbt.com | This approach has been used to assay activity of glutamate decarboxylase in rat cerebellar sections and to detect horseradish peroxidase presence on cultured cell surfaces. scbt.kr |
道路技术研究所研究开发的重交沥青路面专用抗车辙剂荣获了“国家重点新产品”荣誉， 聚 羧 酸 高 性能减水剂荣获了“广东省重点新产品”荣誉，排水降噪沥青路面材料荣获了“湖北省科技进步奖叁等奖”和“云南省科学技术进步奖三等奖”荣誉，研究开发的沥青混合料温拌技术、温拌橡胶沥青路面技术、温拌再生沥青路面技术为等为沥青路面的节能减排做出了突出的贡献。 oceanpower.com | The Road Technology Institute researched and developed the heavy traffic for Asphalt Pavement Rutting Resistance [...] which woned the honor of "National Key New [...] Product", polycarboxylate superplasticizer [...]woned the "Guangdong Province Key New [...]Product" honor, drain noise asphalt pavement material woned ”Hubei Province, the third prize of Science and Technology Progress Award "and the “Yunnan Provincial Science and Technology Progress Award" honors, asphalt mixture warm mix technology, warm Mix rubber asphalt pavement technology, warm mix recycled asphalt pavement technology etc. made outstanding contributions to the energy saving of the asphalt pavement. oceanpower.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 |
产品介绍：应用于玻璃纤维、化工原料、淀粉草酸钴、纤维素（如羟乙基纤维素 、 羧 甲 基 纤维素等）、甘露醇、氢氧化镍、钴酸锂、石墨、炭刷、碳化硅、二水氯化钙、活性碳、氧氯化锆、氧化锆、氢氧化锆、碳酸锆、正硫酸锆、碳酸锆铵、硅酸锆、碳酸锆钾、油性油墨催干剂、水性油墨交联抗水剂、可膨胀石墨、各种陶瓷氧化锆、纳米氧化铁、正温度系数（PTC）热敏材料沾稍骷胺湮咽絇TC元器件等。 shcsjxcn.com | Product Description: used in glass fiber, chemical [...] raw materials, [...] starch, oxalic acid, cobalt, cellulose (eg hydroxyethyl cellulose, carboxymethyl cellulose, [...]etc.), mannitol, nickel [...]hydroxide, lithium cobalt oxide, graphite, carbon brushes, carbide silicon, calcium chloride dihydrate, activated carbon, zirconium oxychloride, zirconium oxide, zirconium hydroxide, zirconium carbonate, is zirconium sulfate, ammonium zirconium carbonate, zirconium silicate, zirconium carbonate, potassium, oil-based ink drying agents, water-based ink cross-linked anti-agent, expandable graphite, a variety of ceramic zirconium oxide, iron oxide, positive temperature coefficient (PTC) thermistor materials dipped slightly skeleton amine submerged pharynx Qu TC components, etc.. shcsjxcn.com |
2010年公司又成功研制了缓释超长保坍型 聚 羧 酸 减 水剂TJB－01母液，智能型减水剂TJZ－02母液，并改进了改性聚醚TJ-188单体合成技术，推出TJ-188B新单体，用其合成的减水剂保坍性和减水率更高。 taijiechem.com | In 2010, we developed several new products (Slow-release super-long [...] slump-proof polycarboxylic acid water reducing [...]agent TJB-01 mother liquor , intelligent [...]water reducing agent TJZ-02 mother liquor) , improved the synthetic method of modified polyether TJ-188 and put new TJ-188B monomer (The finished products of TJ-188B monomer has higher slump-proof capacity and Water reducing percent) into markets successfully. taijiechem.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。