乙酰乙酰基的引入，可降低体系溶液粘度。
The acetoacetyl functionality can reduce solution viscosity.
基因“开关”涉及乙酰化作用，也就是将乙酰基群在染色质的DNA水平上引入到分子中，由此完成基因转录。
The genetic switch involves acetylation, the introduction of an acetyl group into a molecule at the DNA level of chromatin resulting in genetic transcription.
这两种酶是组蛋白乙酰转移酶(它能给蛋白质添加乙酰基)和甲基化dna结合蛋白- 2(它能把DNA上的甲基去除)。
The enzymes in question are histone acetyltransferase (which adds acetyl groups to proteins) and methylated DNA-binding protein-2 (which removes methyl groups from DNA).
DNA周围的学习和记忆基因束靠近乙酰基群，注入一种能促进乙酰基群变成任何一种组蛋白分子的酶。
The cluster of learning and memory genes on the surrounding DNA ends up close to the acetyl group.
本文用苯乙酰肼与苯基异硫氰酸酯在微波辐射下以氧化铝为介质进行反应，合成1 苯乙酰基4 苯基氨基硫脲；
This paper reports the synthesis of 1 phenylacetyl 4 phenyl thiosemicarbazide from phenylacetyl hydrazine and phenyl isothiocyanate with aluminium oxide as a surpport under microwave irradiation.
实验表明，产物的乙酰基含量受合成温度和反应时间影响，其热致液晶的相转变温度和温域随乙酰基含量变化。
The experimental results indicated that reaction temperature and time were influence on acetyl content of APC products. Liquid crystalline phase transition changed with acetyl content .
以盐酸为溶剂，N乙酰基D葡萄糖胺为标准品，用紫外一阶导数光度法直接测定壳聚糖的脱乙酰度。
The degree of deacetylation of chitosan was determined directly by 1st derivative UV spectrophotometry using hydrochloric acid as solvent and N acetyl D glucosamine (ACGLSM) as standard.
SIRT1蛋白，一种涉及到细胞衰老和DNA损伤反应的去乙酰基酶能够与p53结合，促使后者的去乙酰化（19）。
Deacetylation of p53 occurs through interaction with the SIRT1 protein, a deacetylase that may be involved in cellular aging and the DNA damage response (19).
二乙酰基二茂铁的制备过程与乙酰基二茂铁相似，只是前者的反应温度更高。
The process or way of synthesis of diacetyl ferrocene is very like that of acetyl ferrocene. But to the first compound, the reaction temperature must be higher than that to the second.
组蛋白脱乙酰基酶与组蛋白脱乙酰基酶抑制剂通过对组蛋白乙酰化水平的调控，影响特定基因的表达，改变细胞周期的进程。
HDAC and histone deacetylase inhibitors (HDI) can affect expression of some specific genes and induce cell differentiation growth arrest and apoptosis through regulating histone acetylation level.
组蛋白脱乙酰基酶抑制剂已被证实具有抗肿瘤作用，多种有关组蛋白脱乙酰基酶抑制剂的药物临床试验正在进行中，以期成为治疗宫颈癌的一个新方向。
HDI has been proved to have antitumor activities and a number of clinical trials relating to HDI are in progress. It is expected that HDI becomes a new therapy of cervical cancer.
本文报道了四—O—乙酰基和三—O—乙酰基匍萄糖及半乳糖碳苷的电子轰击质谱和快原子轰击质谱，总结出一些乙酰基碳苷特有的裂解规律。
In this paper, EI and FAB-MS of tri and tetra-O-acetyl C-glucosides and C-galactosides were reported. Some characteristic fragmentation patterns of O-acetyl C-glycosides were discussed.
本文报道了四—O—乙酰基和三—O—乙酰基匍萄糖及半乳糖碳苷的电子轰击质谱和快原子轰击质谱，总结出一些乙酰基碳苷特有的裂解规律。
In this paper, EI and FAB-MS of tri and tetra-O-acetyl C-glucosides and C-galactosides were reported. Some characteristic fragmentation patterns of O-acetyl C-glycosides were discussed.
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