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- Benzyl acetate has been synthesised by the direct reaction of benzyl chloride and sodium acetate solution catalyzed by triphase transfer catalyst. 本文用三相催化法由氯化苄和乙酸钠水溶液一步合成乙酸苄酯。
- Effects of compound hypertonic sodium acetate solution on acid-base balance in the early stage of burn-blast combined injury 烧冲复合伤早期复合高渗醋酸盐溶液复苏对酸碱平衡的影响
- sodium acetate solution [医] 醋酸钠溶液
- Sodium acetate: Irritant. Handle with usual caution. 醋酸钠:刺激物。按正常程序小心处理。
- Sodium acetate, the chemical found in many hand warmers, will suddenly crystallize if you prepare a saturated solution and pour it onto a seed crystal. 一种在加热装置用很容易找到的化学物质乙酸钠,如果将他倒入一个准备好的晶种,将会在饱和溶液中迅速的凝结。
- Sodium acetate, when heated and cooled, becomes supersaturated in water. 醋酸钠,加热或冷凝时,遇水呈超饱和态。
- METHODS Use ultraviolet spectrophotometry to determine the content of Vitamin B2. The absorption of the sample which has been added with solution 1.4 percent sodium acetate is measured at 444nm. 方法使用紫外分光光度法测定维生素B2的含量。 本样品加入1.;4%25醋酸钠溶液;在444nm的波长处测定吸收度。
- In benzene or ethyl acetate solution rates increase linearly with methyl methacrylate concentration. 在苯或乙酸乙酯溶液中其衰减速度随甲基丙烯酸甲脂浓度呈直线地增大。
- The experiment suggested that the protein pcak cluted by 0.225 M sodium acetate buffer is antibody Fc fragment. 实验提示;0.;225M醋酸钠缓冲液洗脱出的蛋白蜂是抗体Fc片段。
- It was pointed out that sodium acetate and lithium acetate have obvious inhibition effect on DEG generation in PET. 提出醋酸钠或醋酸锂对聚酯中的DEG生成具有明显的抑制作用;
- Among them, the ozonation rate of sodium acetate was mostly improved, being 5 times of that by sole ozone. 三者之中;乙酸钠的相对速率提高最大;是单独臭氧化速率的5倍.
- As the jets of cellulose acetate solution emerge they meet a stream of warm air which evaporates the acetone, leaving the solid cellulose acetate in the form of fine filaments. 在醋酯纤维素的射流束出现时,会遇到一股热流,丙酮被蒸发,剩下的则是细丝状的醋酯纤维纱。
- This paper reports the experiment on the heat storage-release property of the trihydrate sodium acetate system. 报道了三水合醋酸钠体系蓄放热性能的实验研究。
- ESI-MS data were acquired on a ThermoQuest Finnigan TSQ 7000 spectrometer in dichloromethane-methanol mixtures to which a 10 mmol/L ammonium acetate solution was added. 我在文献中看到他们做液质,但是看不大明白,下面是那句话,哪位考友帮忙解释一下,非常感谢
- As the same amount of carbon for sodium acetate and salicylic acid, the biodegradability of the former was superior. 比较相同碳量之水杨酸与醋酸钠,前者被微生物分解之量低于后者;
- The feasibility of denitrification in a biofilter was explored under aerobic condition with sodium acetate as carbon source. 采用生物过滤法,以醋酸钠为外加碳源,探讨了有氧条件下反硝化脱氮的可行性。
- Based on sodium acetate method,the addition of antibiotics could significantly improve the isolation efficiency of B.thuringiensis from soil. 在醋酸钠分离方法的基础上添加抗生素,能显著提高从土壤中分离苏云金杆菌的效率。
- Another production of pharmaceutical intermediates N, N 'Dicyclohexylamine-based carbon diimine (DCC), refined Sanshui sodium acetate. 另生产医药中间体N,N’二环己基碳二亚胺(DCC),精制三水醋酸钠。
- Benzyl acetate is synthesized by means of phase transfer catalysis with a queous sodium acetate and benzyl chl oride as raw materials. 以工业品的含水醋酸钠和氯化苄为原料,相转移催化法制备醋酸苄酯香料。
- In small nitrogenous fertilizer plant, the spraying-type actifier column for cuprammonium acetate solution has the advantages of simpler equipment, easier operation and higher actified efficiency, compared with the vertical actifier column. 小氮肥铜液再生改为铜液喷淋再生塔,使再生设备结构更合理、操作易于控制、再生效率高。