acidic group

英 [əˈsɪdɪk ɡruːp] 美 [əˈsɪdɪk ɡruːp]

网络  酸性基团; 酸性基

化学



双语例句

  1. The acrylic fibre with weakly acidic group has a low saturation value.
    含弱酸性基团的腈纶纤维饱和值较小。
  2. Acidic chemical group in which a carbon atom is bound to two oxygen atoms.
    一个碳原子连接到两个氧原子上形成的酸性化学基团。
  3. Synthesis and pharmacological evaluation of oxime and acidic head group structural variations.
    肟的合成和药理学评估以及酸性端基的结构变化。
  4. Improvement of Chemical Determination Method of Acidic Functional Group Containing Oxygen in Low Rank Coal
    低阶煤中酸性含氧基团测定方法的改进
  5. Comparison of muscular wet weight detection: Muscular wet weight was obviously increased in the acidic fibroblast growth factor+ fibrin gel carrier group as compared with simple fibrin gel carrier group or blank control group ( 0.82,0.81,1.26, P < 0.001).
    各组肌肉湿质量检测结果的比较:与单纯纤维蛋白凝胶载体组、空白对照组比较,酸性成纤维细胞生长因子+纤维蛋白凝胶载体组肌肉湿质量明显增大(0.82,0.81,1.26,P<0.001)。
  6. The Choice of Process Lines and Conditions in Dyeing Acrylic Fibres with Weakly Acidic Group
    弱酸性型腈纶针织物染色工艺路线的选择和工艺条件的制定
  7. Immunochemical stain detection: Majority of glial fibrillary acidic protein ( GFAP)-positive astrocytes showed in the serum control group and TGF β 1 group.
    神经干细胞免疫组织化学检测:血清对照组、转化生长因子β1组存在大量胶质纤维酸性蛋白染色阳性的星状胶质细胞;
  8. It was found that the hydroxy group and carboxy group of the copolymer were crosslinked with methoxyl group of HMMM under different temperature. In the presence of acidic catalyst PTSA, curing temperature for hydroxy group is lower than that for carboxy group.
    共聚物上的弪基和羧基与固化剂(六甲氧基甲基三聚氰胺)上的甲氧基在不同温度区间交联,在催化剂(对甲基苯磺酸)的存在下,羟基交联温度低于羧基。
  9. Detection of acetylcholine esterase enzyme activity: In the acidic fibroblast growth factor+ fibrin gel carrier group, acetylcholine esterase enzyme activity was stronger, close to that of the normal side. The staining was even and endplate had regular structure;
    各组乙酰胆碱酯酶活性检测结果:酸性成纤维细胞生长因子+纤维蛋白凝胶载体组乙酰胆碱酯酶活性强,接近于正常侧,染色均匀,运动终板结构规则;
  10. Determination of Total Acidic Group in Coal
    煤中总酸基的测定
  11. The surface acidic strength for solid acid catalyst was characterized through temperature programmed desorption. Based on determination of the kinetic model equation of TPD, a new simulation method used to characterize the surface acid strength was developed by using one group of TPD experimental data.
    通过推导脱附动力学方程及确定脱附活化能参数的估值方法,建立了基于单套程序升温脱附(TPD)数据确定固体酸催化剂脱附活化能的动力学模拟方法。
  12. MAIN OUTCOME MEASURES: Expressions of Brdu, glial fibrillary acidic protein ( GFAP)+/ Brdu+ and GFAP-/ Brdu+ cells in the rat brain of each group at various time points.
    主要观察指标:Brdu,GFAP+/Brdu+和GFAP-/Brdu+在各组大鼠脑损伤不同时相中的表达。
  13. The polymer net work of pH-sensitive hydrogels has ionizing basic or acidic group which causes pH responding behavior.
    pH敏感性水凝胶具有pH响应性的原因是聚合物网络中含有可离子化的酸性或碱性基团。
  14. The mixed SAMs have also been prepared, the features of dissociation activity of acidic group in the interface and selective desorption have also been studied.
    还利用短链硫醇分子和短链、长链硫醇分子形成的混合自组装膜,研究了自组装膜表面的酸性基团的解离性质和混合自组装膜的选择性解吸研究。
  15. Gross morphological observation of tibial muscle: Bilateral tibial muscle was symmetry, there was no obvious muscular atrophy and muscular tension was normal in the acidic fibroblast growth factor+ fibrin gel carrier group;
    各组胫前肌大体形态学观察结果:酸性成纤维细胞生长因子+纤维蛋白凝胶载体组两侧胫前肌对称且无明显肌萎缩,肌张力正常;
  16. An improved tosylation of alcohols and amines with acidic group via reverse phase transfer catalysis
    醇和胺的固-液反相相转移催化对甲苯磺酰化的方法
  17. Coal/ PAN complexes were synthesized by aniline monomer in situ polymerization in coal template initiated by APS, taking advantages of the acidic functional group, pore structure and specific aromatic ring of coal structure.
    煤基聚苯胺复合导电材料是利用煤的酸性官能团特征、孔结构特征和芳香层片特征,以煤为模板,用APS引发苯胺单体在煤中原位聚合而成的。
  18. The macroporous, strongly acidic, high thermally stable canon exchange resin catalysts were synthesized in the steps of polymerization of styrene and divinylbenzene, purifying copolymer, introducing electron withdrawing group, sulfonation and stabilizing active sites.
    通过苯乙烯与二乙烯苯聚合、共聚物纯化、引入吸电子基团、磺化、活性基因稳定化过程,合成耐温强酸阳离子交换树脂催化剂。
  19. Of acidic proteins β-globin and vitronectin had higher adsorption in the experimental group.
    偏酸性的蛋白中,β球蛋白和玻璃粘连蛋白在实验组表面吸附量较对照组表面多。
  20. ACF, oxidized by concentrated nitric acid and hydrogen peroxide, was analyzed by Boehm titration, FT-IR and TG The results of Boehm titration showed the acidic group amount of oxidized ACF increased obviously.
    经浓硝酸和浓过氧化氢氧化ACF制得的氧化改性ACF,通过Boehm滴定分析表明氧化改性ACF表面酸性基团明显增加,也得到了FT-IR和TG的验证。
  21. Acidophilus, widely distributed in extremely acidic environments, are important microorganisms; the knowledge of this group of microorganisms is very limited however.
    嗜酸菌是一类广泛分布在酸性环境中极其重要的微生物,然而目前对嗜酸菌的了解还十分有限。
  22. The significant groups content of HA were analyzed, such as carboxyl group, carbonyl group, methoxyl group and total acidic group. The variation regularity of the groups with the time and reaction conditions during the ammoxidation process were investigated.
    考察了褐煤氧化氨解过程中,腐殖酸中羧基、羰基、甲氧基及总酸性基等重要官能团随反应时间和反应条件(温度、氧压、氨水浓度)的变化规律。
  23. Bands appeared at common tobacco might be the acidic members of PR-1 and PR-4 group.
    在普通烟中新出现的3条带,很可能就是PR-1、PR-4组中的酸性蛋白成员,这一现象具有重要意义。
  24. There were more acidic groups and carboxylic was the main group.
    表面酸性基团含量较高,以羧基为主。
  25. Powdered activated carbon adsorbs heavy metals through complexation reaction of acidic functional groups such as carboxyl and sulfurous functional group on its surface.
    粉末活性炭通过表面的羧基等酸性官能团及含硫官能团与金属离子发生络合反应达到吸附的目的。
  26. Too little addition of Sodium hydroxide, processing surface acidity groups was not thorough enough, Excessive, all the acidic group was neutralizing, and alkaline bits increased, the yield of chloro aniline declined.
    加入少量的氢氧化钠,不能完全中和表面酸性基团;加入过多会中和所有酸性基团,同时碱性位增多,对氯苯胺的收率下降。