丁酸

Ion exchange resin ; structure ; kinetics ;α-methyl butyric acid

离子交换树脂；表面结构；反应动力学；α－甲基丁酸

Any of three isomeric glyceryl esters of butyric acid, naturally present in butter.

酪酯丁酸的三种同分异构甘油基酯的任一种，以自然形态存在于奶油之中

Another mutant named UV20' was also gained whose main end metabo lites were butyric acid and acetic acid.

另一个突变命名uv20 '也上涨，其主要最终代谢lites被丁酸和乙酸。

Esters of butyric acid, naturally present in butter.

酪酯丁酸的三种同分异构甘油基酯的任一种，以自然形态存在于奶油之中

The microparticles were prepared by the solvent/non-solvent method, using biodegradable poly-3-hydroxybutyrate PHB as the scaffold to capsulate the 5-Fu.

为降低该类药物的释放速度，首先利用溶剂非溶剂法，以生物可降解的聚羟基丁酸酯为骨架，制备了抗癌药物5-氟尿嘧啶的微粒。

To study and know well the rudimentary knowledge and the basic techniques of modern Microbiology are demanded for Graduate students. The experiments including the principle and operation of phase contrast microscope and fluorescence microscope; Microphotography , the technique of photographic enlargement;Applications of polymerase chain reaction ; Construction, transformation and detection of plasmid in E.coli ; Infectivity of virus and its molecular detection ; The technique of protoplast fusion in filamentary fungi ; Induction and purification of β-galactosidase from E.coli and assay the enzyme activity; Detection of GC content and DNA-DNA hybridization in bacteria ; Production , extraction and detection of poly--hyduoxy butyrate from bacteria.

以实验教学为主，要求研究生学习和掌握一些现代微生物学研究所需的基本技术，内容包括：相差显微镜、荧光显微镜的使用和显微摄影技术，PCR技术的应用，细菌质粒的构建、转化及检测技术，病毒的侵染性及其分子检测技术，丝状真菌原生质体融合技术，大肠杆菌β-半乳糖苷酶的分离及纯化及其动力学测定技术，细菌G+C mol%的测定及细菌DNA-DNA杂交技术和聚羟基丁酸产生菌的发酵、产物提取及检测技术等。

The aortic nerve stimulation produced depressor and bradycardic responses were elicited in urethan and chloralose aneasthetized rabbits.

电刺激家兔一侧主动脉神经引起心动过缓和降压反应。在同侧孤束核内注射γ氨基丁酸或吗啡，能基本阻断这种诱发的心动过缓和降压反应，但不影响基础血压和基础心率。

Objective To investigate the therapeutic effect of combination of Lactobacilli strain and Clostridium butyricum strain on experimental ulcerative colitis in mice.

目的 观察联用乳酸杆菌和丁酸梭菌对小鼠溃疡性结肠炎的疗效并探讨其治疗机制。

The morphology of SKOV-3 cells became round or orbicular-ovate for crenation and chromatin became compact hyacinthine spheroid for concentration.

当丁酸钠浓度为4～16 mmol/L时，对SKOV-3细胞体外生长均有明显的抑制作用。

Results When Raji and B95-8 cells were cultured with 20-80 μg/ml of "Dongxia wan", the expression of EBV early antigen and EBV capsid antigen induced by croton oil and n-butyric acid and the natural expression of EBV-VCA were all inhibited significantly. The inhibition rates were 19.3%-49.84%, 34.63%-45.61% and 21.67%-47.78% respectively.

结果 20～80 μg/ml中药复方"冬夏丸"与靶细胞共培养能显著的抑制巴豆油和正丁酸联合诱发Raji细胞的EBV早期抗原和B95-8细胞的EBV壳抗原表达及B95-8细胞的EBV-VCA自然表达，抑制率分别是19.31%～49.84%，34.63%～45.61%和21.67%～47.78%。

Do you know, i need you to come back

你知道吗，我需要你回来

Yang yinshu、Wang xiangsheng、Li decang,The first discovery of haemaphysalis conicinna.

1〕 杨银书，王祥生，李德昌。安徽省首次发现嗜群血蜱。