Influence of the acetylating chain extender m-phenylenediamine on the properties of polyurea 扩链剂间苯二胺酰基化改性对聚脲性能的影响
By acetylating the chitosan fibers, chitin fibers can be made through a batch process. 在甲壳胺纤维上加上乙酰基后可以得到再生甲壳素纤维。
Study on acetylating of mechanical activated maize starch 机械活化玉米淀粉乙酰化反应的研究
The nanometer solid superacid SO~ ( 2-)_4/ ZrO_2 was used as catalyst for acetylating of terpineol. 研究了纳米固体超强酸SO24/ZrO2催化松油醇乙酰化反应。
Hydroxyl Value Analysis of Acrylate-Styrene Copolymer Solution System by Using Acetyl Chloride as Acetylating Agent 含双氧水聚丙烯酸酯溶液体系的乙酰氯法羟值测定
Studies on grafting copolymerization of acetylating starch/ dl-lactide and biodegradability 乙酰化淀粉/DL-丙交酯接枝共聚物的合成及降解性能研究
The title compound used as an amino acetylating reagent was further reacted to yield Cefepime hydrochloric acid, the crystals obtained has white pale color and is stable to temperature, and has no E-isomer too. 用其作为氨基酰基化试剂进一步合成盐酸头孢吡肟,也得到基本上白色的对温度稳定的不含E-异构体的晶态化合物。
As a transcription elongation factor, it plays important roles in recruiting chromatin remodeling proteins, and in modulating chromatin structure by acetylating the highly conserved lysine residues in N-terminal tails of histones. 通过乙酰化特异染色质区组蛋白尾部的赖氨酸残基,Elp3参与特异染色质区结构的改变,为染色质结构调控蛋白提供识别信号,在转录延伸中发挥重要的作用。
There are usually some disadvantages such as more toxicity and low yield in the acetylating reaction which was used to synthesize cholesteryl ester liquid crystals. 合成胆甾醇酯常用的酰氯化法存在毒性大,产率低的缺陷。
DNA methylation and histone acetylating modification are the main forms of epigenetic modification. DNA甲基化及组蛋白乙酰化修饰是表观遗传修饰的主要方式。