氧丙环
- 与 氧丙环 相关的网络例句 [注:此内容来源于网络,仅供参考]
-
Except for verdigris pseudomonas,Gram-negative bacilli were less resistant to levofloxacin than to the other three ones.Klebsiellas,verdigris pseu-domonas and acinetobacters were30.76%~33.33%resistant to ciprofloxacin.
除铜绿假单胞菌外革兰阴性杆菌对左氧氟沙星的耐药率均低于其他3种药物,克雷伯菌、铜绿假单胞菌、不动杆菌对环丙沙星耐药率在30.76%~33.33%。
-
The aconitic acid-acrylic acid copolymer, itaconic acid homopolymer and polyepoxysuccinic acid which were non-phosphorus scale and dispersing inhibitors were synthesized with the fermentation products citric acid, itaconic acid and maleic anhydride.
以生物发酵产品柠檬酸和衣康酸为主要原料,分别合成了无磷阻垢分散剂丙烯三羧酸-丙烯酸共聚物和衣康酸均聚物,利用马来酸酐合成了聚环氧琥珀酸。
-
4R,5S,6R-5,6-Bis-allyl-6-aldehyde-γ-hexanelactone I-145 was prepared from D-arabinose by six steps. Compound I-145 underwent Mukaiyama-type intramolecular aldolization to produce bicyclooctane I-147 stereospecifically.
我们以D-阿拉伯糖为起始原料,经六步反应,得到(4R,5S,6R)-5, 6-二烯丙氧基-6-醛基-γ-己酸内酯I-145,然后I-145发生分子内的Mukaiyama式aldol缩合反应,完全立体专一性地得到环化中间体I-147。
-
Water,butylene glycol,biosaccharide gum-1,ppg-26-buteth-26,panthenol,peg-40 hydrogenated caster oil,hydroxyethylcellulose,imidazolidinyl urea,saccharide isomerate,benzophenone-4,phenoxyethanol,triethanolamine,citrus aurantium dulcisoil,pentadecalactone,methylparaben,sodium hyaluronate,citric acid,butylparaben,ethylparaben,citrus aurantium amaraoil,propylparaben,methylchloroisothiazolinone,methylisothiazolinone,red 4,yellow 5,red 33,limonene,linalool
水,丁二醇,多醣物质,PPG-26-丁醇聚醚-26,维生素B5,PEG-40氢化蓖麻油,羟乙基纤维素,尿素醛,天然异构寡糖,二苯甲酮- 4,苯氧乙醇,三乙醇胺,甜橙油,环十五内酯,羟苯甲酯,透明质酸钠,柠檬酸,羟苯丁酯,羟苯乙酯,苦橙油,羟苯丙酯,甲基氯异塞唑晽酮,甲基异噻唑啉酮,红4,黄5,红33,柠檬精油,芳樟醇
-
The main pathogenic bacteria of each area is dissimilar, most of which were hyper sensitive to Ciprofloxacin, Levofloxacin, Ofloxacin, Cefazolin, but were completely not sensitive to Benzylpenicillin, Erythromycin and Vancomycin.
各个地区优势菌群存在差异,药敏试验结果也不相同,分离出的细菌绝大部分对环丙沙星、左氟沙星、氧氟沙星和先锋霉素V高度敏感,但对青霉素、红霉素和万古霉素有较强耐药性。
-
Methods:The target compound was synthesized using 4-hydrazino-N-methyl-benzyl-sulphonamide hydrochloride and 4,4-dimethoxy-N,N-dimethyl butylamine as the starting materials,PPA and sodium dihydrogen phosphate instead as catalysts and isopropyl ether and acetone as solvents for recrylstallization,via 4-step reactions:condensation,rearrangement,cyclization and salt formtion.
以4-肼基-N-甲基-苄基磺酰胺盐酸盐与4,4-二甲氧基-N,N-二甲基-丁胺为起始原料,改用多聚磷酸和磷酸二氢钠作为催化剂,后处理采用异丙醚和丙酮作为重结晶溶剂,经缩合、重排、环合、成盐的4步反应合成琥珀酸舒马曲坦。
-
The first asymmetric synthesis of trans-β-hydroxy-γ-butyrolactones:-(3R, 4R, 5S)-4-(1-acetoxy-isopropyl)-3-hydroxy-butyrolactone 65a was achieved starting from isobutylaldehyde through nine steps. The key steps involve the construction of three chiral carbon centers by the Sharpless's asymmetric epoxidation and Substrate directable chemical reaction.
以异丁醛为起始原料,经过九步反应首次设计合成了具有三个手性中心的trans-β-羟基-γ-丁内酯:-(3R,4〓,5S)-4-(1-乙酰氧基-异丙基)-3-羟基-丁内酯65a,关键步骤是Sharpless不对称环氧化和底物定向不对称合成反应。
-
In this study, bound residues of [C ring-U-14 C] ZJ0273 in three kinds of soil and dynamics distribution in humus fulvic acid, humin and humic acid were studied by using 14C isotope tracer technique.
利用14C同位素示踪技术研究了[C环-U-14C]丙酯草醚(ZJ0273)在3种不同类型好氧土壤中的结合残留及其在富啡酸、胡敏酸和胡敏素中的动态分布。
-
In this study, bound residues of [C ring-U-14C]ZJ0273 in three kinds of soil and dynamics distribution in humus fulvic acid, humin and humic acid were studied by using 14C isotope tracer techniques.
本文利用14C同位素示踪技术,研究了[C环-U-14C]丙酯草醚(ZJ0273)在3种不同类型好氧土壤中的结合残留及其在富啡酸、胡敏酸和胡敏素中的动态分布。
-
In the alkalescence katalyst condition,the aminopolysiloxane emulsion was prepared by used the octamethylcyclotetrasiloxane(D_4) and silane coupling agent(KH-550) emulsion copolymerization.
在碱性催化剂作用下,采用八甲基环四硅氧烷(D4)与硅烷偶联剂γ-氨丙基三乙氧基硅烷(KH-550)乳液共聚制得了氨基聚硅氧烷乳液。
- 推荐网络例句
-
But we don't care about Battlegrounds.
但我们并不在乎沙场中的显露。
-
Ah! don't mention it, the butcher's shop is a horror.
啊!不用提了。提到肉,真是糟透了。
-
Tristan, I have nowhere to send this letter and no reason to believe you wish to receive it.
Tristan ,我不知道把这信寄到哪里,也不知道你是否想收到它。