叔丁基羟基茴香醚(BHA)和二叔丁基对甲酚(BHT)不仅用于保护食品,还被用来保存化妆品和药品中的油脂。
In addition to preserving foods, BHA and BHT are also used to preserve fats and oils in cosmetics and pharmaceuticals.
有证据证明,某些人可能难以代谢叔丁基羟基茴香醚(BHA)和二叔丁基对甲酚(BHT),导致健康和行为改变。
There is evidence that certain persons may have difficulty metabolizing BHA and BHT, resulting in health and behavior changes.
叔丁基羟基茴香醚(BHA)通常被用来防止脂肪腐臭。
叔丁基羟基茴香醚(BHA)和二叔丁基对甲酚(BHT)的氧化特性和/或代谢产物也许具有致癌性或致瘤性,不过,同样的反应也有可能应对氧化压力。
The oxidative characteristics and/or metabolites of BHA and BHT may contribute to carcinogenicity or tumorigenicity; however the same reactions may combat oxidative stress.
甲氧基基团可以和纤维素上的羟基反应形成稳定的醚键。
Methylol groups react with the hydroxyl groups of the cellulose to form stable ether linkage.
氧气优先与叔丁基羟基茴香醚(BHA)或二叔丁基对甲酚(BHT)反应,而不是和油脂反应,因此能防止它们变坏。
Oxygen reacts preferentially with BHA or BHT rather than oxidizing fats or oils, thereby protecting them from spoilage.
合成了以羟基封端的脂肪族聚碳酸酯-聚乙基醚碳酸酯二醇(PEECD),并用于环氧(EP)树脂的增韧。
One kind of hydroxyl - terminated aliphatic polycarbonate, i. e. poly(ethylene ether carbonate) diol(PEECD) was synthesized and used to toughen epoxy resin (EP) .
从四氢吡喃醚的合成及脱除方法介绍了二氢吡喃这种羟基保护试剂近十几年来在有机合成中的应用。
As an effective protection for hydroxy group in alcohols and phenols, the methods for the formation of tetrahydropyran ether and its cleavage employed in the last 15 years are reviewed.
方法以对羟基苯甲酸为原料,经三步合成,即原料的醚化、酰氯制备和酰胺化。
Methods The substance was synthesized from P-hydroxybenzoic acid through three steps, those are etherification, preparation of acyl halide and amidation of the raw material.
双甘油是两分子甘油由一个醚键联接构成的多羟基化合物。
Diglycerin is a polyol consisting of two molecules of glycerol bonded by an ether linkage.
样品中孔炭的表面富含羟基、醚基等化学官能团,亲水性强,易于进行化学改性。
The surface chemical groups of hierarchical mesoporous carbon were mainly hydroxyl and carbonyl, so, it was easy to modify and introduce some new groups.
对羟基茴香醚是高分子工业广泛应用的阻化剂之一,合成方法较多。
P-Hydroxy anisole is one of the most widely used retarding agents in polymer industry. It can be synthesized through many reaction routes.
淀粉-2-羟基丙基醚与氯甲基环氧乙烷的聚合物;
Starch, 2-hydroxypropyl ether, polymer with (chloromethyl)oxirane; starch, 2-hydroxypropyl ether, polymer with(chloromethyl)oxirane;
淀粉-2-羟基丙基醚与氯甲基环氧乙烷的聚合物;
Starch, 2-hydroxypropyl ether, polymer with (chloromethyl)oxirane; starch, 2-hydroxypropyl ether, polymer with(chloromethyl)oxirane;
应用推荐