含胺基或氨基树脂是尿素或三聚氰胺和甲醛烷基化反应产品。
An amine or amino resin is the alkylated reaction product of urea or melamine and formaldehyde.
以对乙酰氨基酚为模型药物,采用甲醛蒸汽交联明胶胶囊的方法制备了胃内滞留型控释胶囊。
A laboratory method of preparing controlled release capsules floated in artificial gastric juice was developed by crosslinking the gelatin capsules with formaldehyde vapor.
用0.35%甲醛处理的大豆粉,在体外人工瘤胃培养时,氨基酸和氨的释放水平都低于对照组。
Soybean flour was treated with 0.35% formaldehyde. The release rates of amino acids and ammonia from it were decreased in vitro.
采用苯甲酸改性的醇酸树脂和混合醚化的三聚氰胺甲醛树脂为基料,配以适量的锤纹助剂制成高固体分低温快干型氨基锤纹漆。
The high-solid fast drying amino hammer paint is prepared with benzoic acid modified alkyd resin and etherified melamine-formaldehyde resin as binder, hammering agent and other components.
建立了对二甲氨基苯甲醛法和亚硝酸盐——格里斯试剂法两种对牛奶中掺入的尿素的快速检测方法。
In this paper, two rapid detection methods for carbamide in milk, namely p-dimethylaminobezaldehyde method and Nitrite-Griess method, were developed.
研究了新显色剂2 ,4 二羟基苯甲醛缩氨基硫脲(DBT )与铜的显色反应,建立了光度法测定微量铜的新方法。
A new method for the spectrophotometric determination of trace copper with 2,4 dihydroxybenzaldehyde thiosemicarbazone(DBT) is reported in this paper.
由邻甲苯胺和甲醛水溶液反应合成得到了高纯度的3,3 -二甲基-4,4 -二氨基二苯甲烷(MDT),并对其性能进行了表征。
The polyimide monomer of 3,3 -dimethyl-4,4 -diaminodiphenylmethane(MDT)was synthesized through the reaction between O-methyl aniline and aqueous formaldehyde solution.
在微波辐射条件下,以水合肼、尿素和苯甲醛为原料,采用一釜两步法合成了苯甲醛缩氨基脲。
The experimental results showed that microwave irradiation could enhance the yield of benzaldehyde semicarbazone.
茶叶能消醛是因为茶叶中含有生物碱、 茶多酚、 氨基酸等活化成分能与甲醛反应,同时茶叶对甲醛有一定的吸附作用。
Tea-leaf is purely natural material, harmless and doesn't produce secondary pollution. Tea-leaf can eliminate formaldehyde that is because it contains same activation composition, s…
柠檬苦素采用氯仿萃取取样,并经硅胶g薄层分离后以对——二甲氨基苯甲醛作显色剂比色测定。
The limonin sample is got by extraction with chloroform and is separated by a thin-layer chromatography of silica-gel g, and then is determined by colorimetric method where pdi...
对二甲氨基苯甲醛同时亦与氨基胍重碳酸盐反应,生成更为稳定的化合物,而使该橙色产物分解而褪色。
However, 2 could also react with 1 simultaneously in the same reaction system, the product was more stable, and that made the orange compound decomposed and faded.
柠檬苦素采用氯仿萃取取样,并经硅胶G薄层分离后以对——二甲氨基苯甲醛作显色剂比色测定。
The limonin sample is got by extraction with chloroform and is separated by a thin-layer chromatography of silica-gel G, and then is determined by colorimetric metho…
柠檬苦素采用氯仿萃取取样,并经硅胶G薄层分离后以对——二甲氨基苯甲醛作显色剂比色测定。
The limonin sample is got by extraction with chloroform and is separated by a thin-layer chromatography of silica-gel G, and then is determined by colorimetric metho…
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